Credentials

Get licensed. Stay licensed.

Every code, certification, license, and insurance requirement that governs the trades — in one place. The same requirement can matter to you two ways: as a credential for your career, and as something your company needs to operate. Filter by your trade, your level, and which lens you're looking through.Licensing by trade + state · expanding

See what's relevant to you. Add your trade, level, and the certs you already hold to your Trade Card — we'll surface the credentials and training that matter for where you are and where you're headed.

Build your Trade Card →
104credentials

OSHA Construction Standards

29 CFR 1926
RegulationIndividualCompany

Federal workplace safety standards specifically for the construction industry covering fall protection, scaffolding, excavation, and more.

General contractingRoofingElectricalPlumbing
OSHADetails →

LEED

LEED
CertificationIndividualCompany

The most widely used green building rating system, certifying the design, construction, and operation of high-performance buildings.

General contractingElectricalHVACPlumbing+2
U.S. Green Building Council (USGBC) / GBCIDetails →

ENERGY STAR

ENERGY STAR
CertificationIndividualCompany

Government-backed program certifying energy-efficient products, homes, and buildings.

HVACInsulationGeneral contracting
U.S. EPA / ENERGY STARDetails →

RESNET HERS Index

HERS
CertificationIndividualCompany

The industry-standard score for residential energy efficiency, governed by RESNET.

InsulationHVACGeneral contracting
RESNET (Residential Energy Services Network)Details →

ASHRAE Standards

ASHRAE
CodeIndividualCompany

Technical standards for HVAC&R design, energy efficiency, and indoor air quality, widely adopted by building codes.

HVACGeneral contracting
ASHRAEDetails →

International Residential Code

IRC
CodeIndividualCompany

The International Residential Code (IRC) is a model code published by the International Code Council (ICC) that establishes minimum requirements for one- and two-family dwellings and townhouses up to three stories. It is a comprehensive, stand-alone code combining building, plumbing, mechanical, fuel gas, energy conservation, and electrical provisions for residential construction.

General contractingPlumbingElectricalHVAC+1
International Code Council (ICC)Details →

International Building Code

IBC
CodeIndividualCompany

The International Building Code (IBC) is a model building code published by the International Code Council (ICC) that establishes minimum requirements to safeguard public health, safety, and welfare in the built environment. It applies to the design, construction, and occupancy of most buildings except detached one- and two-family dwellings and townhouses, which are covered by the IRC.

General contractingFire protection
International Code Council (ICC)Details →

OSHA 10/30-Hour

OSHA 10/30
RegulationIndividualCompany

The OSHA Outreach Training Program offers voluntary 10-hour and 30-hour courses that teach workers to recognize, avoid, abate, and prevent common job-related safety and health hazards. The 10-hour course targets entry-level workers, while the 30-hour course is intended for supervisors and workers with some safety responsibility.

General contractingRoofingElectricalPlumbing+1
Occupational Safety and Health Administration (OSHA), U.S. Department of LaborDetails →

EPA RRP Rule

EPA RRP
RegulationIndividualCompany

A federal EPA regulation requiring firms and individual renovators to be certified and to follow lead-safe work practices when performing renovation, repair, or painting that disturbs painted surfaces in homes, childcare facilities, and preschools built before 1978. The rule aims to minimize exposure to hazardous lead-based paint dust and reduce childhood lead poisoning.

PaintingGeneral contractingWindows & doors
U.S. Environmental Protection AgencyDetails →

DOT/FMCSA Commercial Motor Vehicle Regulations

FMCSA
RegulationIndividualCompany

Federal regulations administered by the Federal Motor Carrier Safety Administration (FMCSA), an agency of the U.S. Department of Transportation, governing the safe operation of commercial motor vehicles (CMVs) and motor carriers. They set requirements for commercial driver's licenses, hours of service, vehicle safety, and motor carrier registration.

General contracting
Federal Motor Carrier Safety Administration (U.S. Department of Transportation)Details →

ADA

ADA
RegulationIndividualCompany

The Americans with Disabilities Act (ADA) is a federal civil rights law that prohibits discrimination against people with disabilities. The ADA Standards for Accessible Design, issued by the U.S. Department of Justice, set the minimum technical and scoping requirements for accessible new construction and alterations of facilities covered under Titles II and III.

General contracting
U.S. Department of Justice / U.S. Access BoardDetails →

ABC

ABC
AssociationCompany

Associated Builders and Contractors (ABC) is a national construction industry trade association founded in 1950 that advances and defends the merit shop philosophy, representing contractors, subcontractors, material suppliers, and related firms across the United States.

General contracting
Associated Builders and ContractorsDetails →

AGC

AGC
AssociationCompany

The Associated General Contractors of America (AGC) is a leading national trade association for the commercial construction industry, representing general contractors, specialty contractors, and industry service providers. Founded in 1918, it advocates for the industry and provides education, safety, and business resources to its members.

General contracting
AGC of AmericaDetails →

NARI

NARI
AssociationCompany

The National Association of the Remodeling Industry (NARI) is a U.S. trade association dedicated exclusively to professional remodelers. It provides certifications, a Code of Ethics, education, and networking for residential and commercial remodeling contractors.

General contractingWindows & doors
National Association of the Remodeling Industry (NARI)Details →

ASA

ASA
AssociationCompany

The American Subcontractors Association (ASA) is a national, nonprofit trade association representing construction subcontractors, specialty trade contractors, and suppliers. It advances members' interests through advocacy, education, networking, and professional growth.

General contracting
American Subcontractors Association (ASA)Details →

FORTIFIED Home / Roof

FORTIFIED
Property designationCompany

A voluntary construction standard for high-wind and hail resilience. A trained roofer or builder does the work and an independent FORTIFIED Evaluator documents it before IBHS issues the designation.

RoofingGeneral contractingWindows & doors
Insurance Institute for Business & Home Safety (IBHS)Details →

Wildfire Prepared Home

Wildfire Prepared
Property designationCompany

An IBHS designation for homes retrofitted against wildfire, at Essential (Base) and Enhanced (Plus) levels.

RoofingLandscapingGeneral contractingWindows & doors+1
Insurance Institute for Business & Home Safety (IBHS)Details →

Wildfire Defense Certificate

Wildfire Defense
CertificationIndividual

A training certificate for building and landscape professionals on defending homes against wildfire, run by USGBC California.

General contractingLandscapingRoofingWindows & doors
USGBC CaliforniaDetails →

CA Chapter 7A / WUI Code

CBC 7A
CodeCompany

California's wildfire-exposure construction requirements, formerly CBC Chapter 7A and CRC R337.

RoofingWindows & doorsGeneral contracting
California Building Standards Commission / Office of the State Fire MarshalDetails →

CA Zone 0

Zone 0
RegulationCompany

A proposed California rule for the ember-resistant zone nearest a home. Effective date unconfirmed.

LandscapingGeneral contractingFencingConcrete Masonry+2
California Board of Forestry and Fire ProtectionDetails →

FL Wind-Mitigation Inspection

FL 627.711
RegulationIndividualCompany

Who may sign Florida's wind-mitigation verification form that insurers use to price hurricane discounts.

General contractingRoofing
Florida Legislature / Financial Services CommissionDetails →

Brace + Bolt Contractor Training

EBB
CertificationCompany

Free FEMA-based training that qualifies California contractors for the public Earthquake Brace + Bolt directory.

General contractingConcrete Masonry
California Residential Mitigation Program (CRMP)Details →

ASFPM Certified Floodplain Manager (CFM)

CFM
CertificationIndividual

ASFPM Certified Floodplain Manager (CFM), issued by Association of State Floodplain Managers (ASFPM) (flood).

General contracting
Association of State Floodplain Managers (ASFPM)Details →

FEMA EMI NFIP / substantial-damage training (IS-285, IS-1104 etc., E273)

FENIE
CertificationIndividual

FEMA EMI NFIP / substantial-damage training (IS-285, IS-1104 etc., E273), issued by FEMA Emergency Management Institute (flood).

General contracting
FEMA Emergency Management InstituteDetails →

Certified FORTIFIED Home Evaluator

CFHE
CertificationIndividual

Certified FORTIFIED Home Evaluator, issued by IBHS (wind).

General contractingRoofing
IBHSDetails →

NFPA Firewise USA recognition

NFU
Property designationCompany

NFPA Firewise USA recognition, issued by NFPA (wildfire).

LandscapingGeneral contracting
NFPADetails →

BPI Building Analyst Professional (BA-P) and related BPI certifications

BA-P
CertificationIndividual

BPI Building Analyst Professional (BA-P) and related BPI certifications, issued by Building Performance Institute (BPI) (energy).

InsulationHVACGeneral contracting
Building Performance Institute (BPI)Details →

BPI GoldStar Contractor

BGC
CertificationCompany

BPI GoldStar Contractor, issued by Building Performance Institute (BPI) (energy).

InsulationHVACGeneral contracting
Building Performance Institute (BPI)Details →

RESNET Certified HERS Rater

RCHR
CertificationIndividual

RESNET Certified HERS Rater, issued by RESNET (energy).

InsulationHVACGeneral contracting
RESNETDetails →

LEED Green Associate / LEED AP (GBCI)

GBCI
CertificationIndividual

LEED Green Associate / LEED AP (GBCI), issued by GBCI / USGBC (energy).

General contracting
GBCI / USGBCDetails →

PHIUS Certified Passive House Consultant (CPHC)

CPHC
CertificationIndividual

PHIUS Certified Passive House Consultant (CPHC), issued by PHIUS (energy).

General contracting
PHIUSDetails →

NAHB Certified Green Professional (CGP)

CGP
CertificationIndividual

NAHB Certified Green Professional (CGP), issued by NAHB (energy).

General contracting
NAHBDetails →

Build It Green GreenPoint Rater

BIGGR
CertificationIndividual

Build It Green GreenPoint Rater, issued by Build It Green (energy).

General contractingInsulation
Build It GreenDetails →

DOE Zero Energy Ready Home (Builder Partner + Rater/Verifier)

DZERHP
Property designationCompany

DOE Zero Energy Ready Home (Builder Partner + Rater/Verifier), issued by US DOE (energy).

General contractingHVACInsulation
US DOEDetails →

EPA Indoor airPLUS (Version 2, Gold)

EI2G
Property designationCompany

EPA Indoor airPLUS (Version 2, Gold), issued by US EPA (smoke, energy).

HVACGeneral contracting
US EPADetails →

ICC Residential Building Inspector (B1) / Residential Energy Inspector-Plans Examiner (79)

B1
CertificationIndividual

ICC Residential Building Inspector (B1) / Residential Energy Inspector-Plans Examiner (79), issued by International Code Council (energy).

General contracting
International Code CouncilDetails →

IICRC Fire & Smoke Restoration (FSRT) / Smoke and Ash Remediation

FSRT
CertificationIndividual

IICRC Fire & Smoke Restoration (FSRT) / Smoke and Ash Remediation, issued by IICRC (smoke, wildfire).

General contracting
IICRCDetails →

FEMA P-1100 Vulnerability-Based Seismic Assessment and Retrofit of One- and Two-Family Dwellings

FPVSAR
RegulationCompany

FEMA P-1100 Vulnerability-Based Seismic Assessment and Retrofit of One- and Two-Family Dwellings, issued by FEMA / Applied Technology Council (seismic). Not a credential; referenced by CRMP retrofit standard

General contracting
FEMA / Applied Technology CouncilDetails →

FEMA P-1100 retrofit course (6 hr in person / 4 hr online)

FP4
CertificationIndividual

FEMA P-1100 retrofit course (6 hr in person / 4 hr online), issued by FEMA Earthquake Program (seismic).

General contracting
FEMA Earthquake ProgramDetails →

ICC Special Inspector certifications (structural)

ISI
CertificationIndividual

ICC Special Inspector certifications (structural), issued by International Code Council (seismic, wind).

General contractingConcrete Masonry
International Code CouncilDetails →

CA voluntary home hardening certification program (AB 1934, Ch. 763 Stats 2026)

C1C7S2
RegulationCompany

CA voluntary home hardening certification program (AB 1934, Ch. 763 Stats 2026), issued by CA Office of the State Fire Marshal (wildfire).

General contractingRoofingWindows & doors
CA Office of the State Fire MarshalDetails →

Home Hardening Certification Program for professionals (SB County FSC / Wildfire DefenseWorks)

HHCPCF
CertificationIndividual

Home Hardening Certification Program for professionals (SB County FSC / Wildfire DefenseWorks), issued by Santa Barbara County Fire Safe Council with Wildfire DefenseWorks (wildfire).

General contractingLandscapingRoofing
Santa Barbara County Fire Safe Council with Wildfire DefenseWorksDetails →

IBHS FORTIFIED Commercial

IFC
Property designationCompany

IBHS FORTIFIED Commercial, issued by IBHS (wind).

RoofingGeneral contracting
IBHSDetails →

SC Safe Home participating contractor/inspector

SSH
CertificationCompany

SC Safe Home participating contractor/inspector, issued by South Carolina Department of Insurance (wind). See scsh-sc.

RoofingGeneral contractingWindows & doors
South Carolina Department of InsuranceDetails →

Florida wind-mitigation signer (home inspector 3-hr hurricane course)

F3
CertificationIndividual

Florida wind-mitigation signer (home inspector 3-hr hurricane course), issued by Florida Construction Industry Licensing Board (approved courses) / DBPR (wind). Home inspectors must complete 3 hrs approved hurricane mitigation training plus exam to sign the 1802 form.

General contracting
Florida Construction Industry Licensing Board (approved courses) / DBPRDetails →

TDI Windstorm Inspection Program (WPI-8 certificate of compliance)

TWIP
RegulationCompany

TDI Windstorm Inspection Program (WPI-8 certificate of compliance), issued by Texas Department of Insurance (wind). Inspection by TDI-appointed Texas PE or TDI windstorm inspector (WPI-8 during construction); WPI-8-E by Texas PE for completed work.

RoofingGeneral contractingWindows & doors
Texas Department of InsuranceDetails →

Alabama residential energy code

AL-EC
CodeCompany

Residential energy code in Alabama: 2015 IECC-based Alabama Residential Energy Code. In force since 2016-10-01. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of AlabamaDetails →

Alaska residential energy code

AK-EC
CodeCompany

Residential energy code in Alaska: 2018 IECC with ASHRAE 62.2-2016 (Alaska BEES, tied to AHFC financing; no mandatory statewide code). Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in AlaskaDetails →

Arizona residential energy code

AZ-EC
CodeCompany

Residential energy code in Arizona: No statewide residential energy code. Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in ArizonaDetails →

Arkansas residential energy code

AR-EC
CodeCompany

Residential energy code in Arkansas: 2009 IECC with Arkansas amendments (2014 Arkansas Energy Code). In force since 2015-01-01. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of ArkansasDetails →

California residential energy code

CA-EC
CodeCompany

Residential energy code in California: Title 24 Part 6, 2025 Energy Code. In force since 2026-01-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of CaliforniaDetails →

Colorado residential energy code

CO-EC
CodeCompany

Residential energy code in Colorado: No single statewide residential code; local governments adopt. Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in ColoradoDetails →

Connecticut residential energy code

CT-EC
CodeCompany

Residential energy code in Connecticut: 2021 IECC (2022 Connecticut State Building Code). In force since 2022-10-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of ConnecticutDetails →

Delaware residential energy code

DE-EC
CodeCompany

Residential energy code in Delaware: 2024 IECC with Delaware amendments (adopted April 2026). In force since April 2026. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of DelawareDetails →

District of Columbia residential energy code

DC-EC
CodeCompany

Residential energy code in District of Columbia: 2015 IECC base (DC Energy Conservation Code). In force since 2020-05-29. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of District of ColumbiaDetails →

Florida residential energy code

FL-EC
CodeCompany

Residential energy code in Florida: Florida Building Code, Energy Conservation, 8th Edition (2023; 2021 IECC base). In force since 2023-12-31. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of FloridaDetails →

Georgia residential energy code

GA-EC
CodeCompany

Residential energy code in Georgia: 2015 IECC with Georgia amendments. In force since 2020-01-01. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of GeorgiaDetails →

Hawaii residential energy code

HI-EC
CodeCompany

Residential energy code in Hawaii: State energy conservation code; counties adopt and enforce (IECC edition not confirmed). Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of HawaiiDetails →

Idaho residential energy code

ID-EC
CodeCompany

Residential energy code in Idaho: 2018 IECC with Idaho amendments. In force since 2021-01-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of IdahoDetails →

Illinois residential energy code

IL-EC
CodeCompany

Residential energy code in Illinois: 2024 IECC as amended by Illinois. In force since 2025-11-30. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of IllinoisDetails →

Indiana residential energy code

IN-EC
CodeCompany

Residential energy code in Indiana: Indiana Residential Code (2018 IRC-based); IECC edition not confirmed.

General contractingHVACInsulationElectrical+1
State of IndianaDetails →

Iowa residential energy code

IA-EC
CodeCompany

Residential energy code in Iowa: 2012 IECC with Iowa amendments (481 IAC 301.24). In force since 2014-03-12 (carried forward by the 2025-09-10 consolidation). Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of IowaDetails →

Kansas residential energy code

KS-EC
CodeCompany

Residential energy code in Kansas: No statewide residential energy code. Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in KansasDetails →

Kentucky residential energy code

KY-EC
CodeCompany

Residential energy code in Kentucky: 2009 IECC per the Kentucky Residential Code (2018 KRC, 2nd edition; 3rd edition text not read). In force since 2024-12-03 (rule 815 KAR 7:125 amendment). Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of KentuckyDetails →

Louisiana residential energy code

LA-EC
CodeCompany

Residential energy code in Louisiana: 2021 IECC with state amendments. In force since 2023-07-01. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of LouisianaDetails →

Maine residential energy code

ME-EC
CodeCompany

Residential energy code in Maine: 2021 IECC (Maine Uniform Building and Energy Code). In force since 2025-04-07. Statewide minimum; local governments may adopt stricter.

General contractingHVACInsulationElectrical+1
State of MaineDetails →

Maryland residential energy code

MD-EC
CodeCompany

Residential energy code in Maryland: 2021 IECC with Maryland amendments. In force since 2023-05-29. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of MarylandDetails →

Massachusetts residential energy code

MA-EC
CodeCompany

Residential energy code in Massachusetts: 2021 IECC with Massachusetts amendments (780 CMR chapter 11R, 10th edition). In force since 2024-10-11. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of MassachusettsDetails →

Michigan residential energy code

MI-EC
CodeCompany

Residential energy code in Michigan: 2015 IECC per DOE; a 2021 rule set is reported stayed by court order.

General contractingHVACInsulationElectrical+1
State of MichiganDetails →

Minnesota residential energy code

MN-EC
CodeCompany

Residential energy code in Minnesota: 2012 IECC residential provisions with Minnesota amendments (Minn. R. ch. 1322). In force since 2015-02-14. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of MinnesotaDetails →

Mississippi residential energy code

MS-EC
CodeCompany

Residential energy code in Mississippi: No statewide residential energy code per DOE; sources conflict.

General contractingHVACInsulationElectrical+1
State of MississippiDetails →

Missouri residential energy code

MO-EC
CodeCompany

Residential energy code in Missouri: No statewide residential energy code; local adoption (DOE lists a 2015 IECC equivalent). Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in MissouriDetails →

Montana residential energy code

MT-EC
CodeCompany

Residential energy code in Montana: 2021 IECC with Montana amendments. In force since 2022-06-10. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of MontanaDetails →

Nebraska residential energy code

NE-EC
CodeCompany

Residential energy code in Nebraska: 2018 IECC (Nebraska Energy Code). In force since 2020-07-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of NebraskaDetails →

Nevada residential energy code

NV-EC
CodeCompany

Residential energy code in Nevada: 2024 IECC (NAC 701.185, by reference). In force since 2024-08-18. Statewide minimum; local governments may adopt stricter.

General contractingHVACInsulationElectrical+1
State of NevadaDetails →

New Hampshire residential energy code

NH-EC
CodeCompany

Residential energy code in New Hampshire: 2018 IECC (RSA 155-A:1). Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of New HampshireDetails →

New Jersey residential energy code

NJ-EC
CodeCompany

Residential energy code in New Jersey: 2024 IECC residential with New Jersey amendments (N.J.A.C. 5:23-3.18). In force since 2026-08-17. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of New JerseyDetails →

New Mexico residential energy code

NM-EC
CodeCompany

Residential energy code in New Mexico: 2021 IECC as amended (14.7.6 NMAC). In force since 2024-01-30. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of New MexicoDetails →

New York residential energy code

NY-EC
CodeCompany

Residential energy code in New York: 2025 Energy Conservation Construction Code of New York State (2024 IECC-based). In force since 2025-12-31. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of New YorkDetails →

North Carolina residential energy code

NC-EC
CodeCompany

Residential energy code in North Carolina: 2018 North Carolina Energy Conservation Code. In force since 2019-01-01. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of North CarolinaDetails →

North Dakota residential energy code

ND-EC
CodeCompany

Residential energy code in North Dakota: 2024 IECC (2026 North Dakota State Building Code). In force since 2026-01-01. Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in North DakotaDetails →

Ohio residential energy code

OH-EC
CodeCompany

Residential energy code in Ohio: Residential Code of Ohio chapter 11 (IECC 2018-based, with Ohio amendments). In force since 2019-07-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of OhioDetails →

Oklahoma residential energy code

OK-EC
CodeCompany

Residential energy code in Oklahoma: 2024 IRC chapter 11 as amended (OAC 748:20-6-16). In force since 2026-09-14. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of OklahomaDetails →

Oregon residential energy code

OR-EC
CodeCompany

Residential energy code in Oregon: 2026 Oregon Residential Specialty Code (energy provisions in chapter 11). In force since 2026-10-01 (mandatory from 2027-04-01). Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of OregonDetails →

Pennsylvania residential energy code

PA-EC
CodeCompany

Residential energy code in Pennsylvania: 2021 IECC (34 Pa. Code 403.21). In force since 2026-01-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of PennsylvaniaDetails →

Rhode Island residential energy code

RI-EC
CodeCompany

Residential energy code in Rhode Island: 2024 IECC (RISBC-8). In force since 2025-12-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of Rhode IslandDetails →

South Carolina residential energy code

SC-EC
CodeCompany

Residential energy code in South Carolina: 2009 IECC (S.C. Code 6-10-30). In force since 2013-01-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of South CarolinaDetails →

South Dakota residential energy code

SD-EC
CodeCompany

Residential energy code in South Dakota: No mandatory statewide code; 2009 IECC named as a voluntary standard (SDCL 11-10-7). Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in South DakotaDetails →

Tennessee residential energy code

TN-EC
CodeCompany

Residential energy code in Tennessee: 2018 IECC with Tennessee exceptions (Tenn. Comp. R. 0780-02-23). In force since 2020-07-16 (last amendment).

General contractingHVACInsulationElectrical+1
State of TennesseeDetails →

Texas residential energy code

TX-EC
CodeCompany

Residential energy code in Texas: 2015 IRC chapter 11 / 2015 IECC as the state minimum. In force since 2016-09-01. Statewide code, enforced by local governments.

General contractingHVACInsulationElectrical+1
State of TexasDetails →

Utah residential energy code

UT-EC
CodeCompany

Residential energy code in Utah: 2024 IECC from 2026-07-01 (H.B. 65); IRC stays at 2021 with a Utah-replaced chapter 11. In force since 2026-07-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of UtahDetails →

Vermont residential energy code

VT-EC
CodeCompany

Residential energy code in Vermont: 2020 or 2024 Residential Building Energy Standards (either allowed under the rule effective 2026-07-14). In force since 2026-07-14 (revised rule). Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of VermontDetails →

Virginia residential energy code

VA-EC
CodeCompany

Residential energy code in Virginia: 2021 Virginia Residential Code (2021 IECC base per a search snippet). In force since 2024-01-18. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of VirginiaDetails →

Washington residential energy code

WA-EC
CodeCompany

Residential energy code in Washington: 2021 Washington State Energy Code, Residential (WAC 51-11R). In force since 2024-03-15. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of WashingtonDetails →

West Virginia residential energy code

WV-EC
CodeCompany

Residential energy code in West Virginia: 2015 IECC per DOE (87 CSR 4); a state text naming the edition was not opened. In force since 2022-08-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of West VirginiaDetails →

Wisconsin residential energy code

WI-EC
CodeCompany

Residential energy code in Wisconsin: 2009 IECC-based Uniform Dwelling Code (SPS 322). In force since 2016-01-01. Statewide mandatory code.

General contractingHVACInsulationElectrical+1
State of WisconsinDetails →

Wyoming residential energy code

WY-EC
CodeCompany

Residential energy code in Wyoming: No mandatory statewide code per DOE (home rule); no state source opened. Home rule: no mandatory statewide residential energy code; local governments adopt their own.

General contractingHVACInsulationElectrical+1
Local governments in WyomingDetails →

California Green Building Standards Code (CALGreen)

CALGreen
CodeCompany

California Green Building Standards Code (CALGreen), Title 24 Part 11, 2025 edition: statewide mandatory green-building measures for new buildings, in force since 2026-01-01.

General contractingHVACInsulationElectrical+1
California Building Standards Commission / HCDDetails →

Massachusetts Stretch and Specialized Opt-in energy codes

MA-STRETCH
CodeCompany

Massachusetts' optional Stretch Energy Code and Specialized Opt-in Code, adopted by municipalities on top of the statewide base energy code.

General contractingHVACInsulationElectrical+1
Massachusetts DOER / BBRSDetails →

NGBS Green Certification (ICC 700)

NGBS
Property designationCompany

ICC 700 is the National Green Building Standard for homes and residential buildings. Home Innovation Research Labs certifies projects to it at the Bronze, Silver, Gold or Emerald level.

General contractingInsulationHVACElectrical+4
Home Innovation Research Labs (certifier); ICC 700 standard published by ICCDetails →

NGBS Green Verifier

NGBS-GV
CertificationIndividual

Individual accreditation from Home Innovation Research Labs that allows a person to register NGBS projects and verify them on site. It is held by individuals, not companies.

General contractingInsulationHVAC
Home Innovation Research LabsDetails →

Green Globes

GG
Property designationCompany

Green Globes is Green Building Initiative's green-building rating program for commercial and multifamily projects, with assessor-led review. GBI's pages describe commercial real estate and multifamily protocols and do not mention single-family homes.

General contractingHVACInsulationElectrical+3
Green Building Initiative (GBI)Details →

Enterprise Green Communities Criteria

EGC
Property designationCompany

Green-building criteria for affordable housing from Enterprise Community Partners, covering energy, health and resilience, with Certification, Certification Plus and Certification Plus Zero Emissions tiers.

General contractingInsulationHVACElectrical+4
Enterprise Community PartnersDetails →

PHI Certified Passive House Tradesperson

CPHT
CertificationIndividual

Passive House Institute certificate for construction trades on building to the Passive House standard, awarded by passing a 120-minute exam through an accredited provider, in class or online.

InsulationRoofingWindows & doorsHVAC+2
Passive House Institute (PHI)Details →