No updates
Alaska adopts and enforces statewide commercial building codes based on model ICC standards, with local jurisdictions able to assume enforcement or propose amendments if they meet state criteria and obtain approval. Local codes cannot be less stringent than state minimums.
Arizona does not mandate a single statewide commercial building code. Local jurisdictions adopt and enforce their own codes, often with amendments, while state fire codes apply in areas without locally adopted fire codes.
Arkansas enforces a statewide commercial building code through the Arkansas Fire Prevention Code. Local jurisdictions may enforce the code and adopt more restrictive amendments but cannot opt out or adopt a different base code.
California enforces a single, uniform building code statewide, including for commercial projects. Local jurisdictions may adopt amendments but cannot opt out or independently adopt different codes.
California has scheduled the 2025 Triennial Edition of Title 24 to take effect on January 1, 2026. This update will impact building, fire, energy, electrical, mechanical, plumbing, and green building codes, among others.
Colorado does not enforce a uniform statewide commercial building code; local jurisdictions adopt and enforce their own codes. It is unclear whether local jurisdictions may amend state codes, opt out, or adopt independently.
Connecticut enforces a single, uniform State Building Code for commercial projects statewide. Local jurisdictions cannot adopt different codes but may propose amendments, subject to state approval and statutory limitations, if justified by local conditions.
Connecticut is planning a statewide code update in 2026 to adopt the 2024 International Codes, 2023 National Electrical Code, and additional NFPA standards. The changes will impact building, fire, energy, mechanical, plumbing, electrical, accessibility, and swimming pool codes.
Delaware sets statewide minimum commercial building and energy codes, which local jurisdictions enforce and may amend with stricter provisions. Local jurisdictions cannot fully replace state codes without state approval.
Florida enforces a single, uniform commercial building code statewide through the Florida Building Commission. Local jurisdictions may adopt more stringent amendments under strict requirements but cannot opt out or adopt independent commercial codes.
Florida is progressing with the 2026 update to the Florida Building Code, anticipated to take effect on December 31, 2026. The update will impact building, fire, energy, electrical, mechanical, plumbing, and accessibility codes.
Georgia enforces a statewide commercial building code based on the International Building Code with state-specific amendments. Local jurisdictions may amend the code under strict conditions but cannot adopt entirely different commercial building codes.
Georgia has confirmed statewide code updates effective January 1, 2026, based on the adoption of the 2024 ICC codes and 2023 National Electrical Code with Georgia amendments. The changes will impact building, fire, electrical, mechanical, plumbing, fuel gas, and swimming pool codes.
Hawaiʻi sets a statewide building code based on national models, but counties may adopt or amend their own codes. Adoption and enforcement vary across jurisdictions, and no separate rules apply specifically to commercial projects.
Idaho adopts a statewide commercial building code, but local governments must enact it by ordinance for enforcement. Local jurisdictions may amend the code within limits but cannot lower accessibility standards or opt out entirely.
Statewide code updates are in progress with changes anticipated in 2026 or later. The updates will impact building, energy, mechanical, plumbing, electrical, and fuel gas codes.
Illinois enforces a statewide commercial building code effective in 2025, providing a uniform baseline. Local jurisdictions may adopt and amend codes but must meet or exceed state-mandated standards for structural design and report changes before implementation.
Indiana enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may enforce the state code but cannot adopt conflicting or more stringent rules.
Iowa does not mandate a statewide commercial building code, so adoption and enforcement occur at the local level. Local jurisdictions may amend state model codes or opt out entirely if their population is under 15,000.
Kansas does not mandate a single statewide commercial building code for private projects. Local jurisdictions adopt and enforce building codes independently, but municipalities cannot enact regulations inconsistent with the state fire prevention code.
Kentucky enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may enforce the state code but cannot adopt or amend commercial building codes independently.
Kentucky is adopting the 2023 National Electrical Code with select provisions delayed until July 15, 2026. The update primarily impacts electrical codes, with other potential code changes remaining unclear.
Louisiana enforces a single, uniform building code statewide for all projects, including commercial. Local jurisdictions may handle enforcement but cannot amend, opt out, or adopt independent building codes.
Louisiana is reviewing the 2023 National Electrical Code and 2024 ICC code editions, with no effective date currently published. Potential updates could impact building, energy, electrical, mechanical, plumbing, and fuel gas codes.
Maine enforces a single, uniform commercial building code statewide through the Maine Uniform Building and Energy Code (MUBEC). Local jurisdictions may enforce MUBEC but cannot adopt or amend commercial building codes independently.
Maryland mandates a statewide commercial building code based on the IBC, which local jurisdictions must follow. Local jurisdictions may adopt amendments for local conditions but cannot make the Energy Code or Accessibility Code less stringent.
Massachusetts enforces a uniform statewide commercial building code with no local opt-out. Municipalities may adopt more restrictive local amendments, subject to state approval.
Massachusetts has municipal adoptions of the Specialized Energy Code taking effect in several cities starting January 1, 2026, and July 1, 2026. Additional statewide updates for fire and electrical codes are under review, but timing and impact remain uncertain.
Michigan enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may enforce the state code if delegated but cannot amend or independently adopt different commercial building codes.
Michigan is undergoing active rulemaking for building codes, with a public submission deadline of December 24, 2025, and litigation delaying updates to the Michigan Residential Code and residential Energy Code. Recent and ongoing activity affects building, energy, mechanical, plumbing, and electrical codes, with the 2015 residential standards remaining in effect during litigation.
Minnesota enforces a single, statewide commercial building code as the minimum standard. Local jurisdictions may not adopt different or more restrictive codes but can enforce the state code and adopt optional chapters through local ordinance.
Mississippi sets statewide minimum commercial building codes based on the International Building Code, which local jurisdictions must adopt with no less stringent standards. Local governments may amend codes to be more stringent but cannot opt out.
Missouri does not enforce a single statewide commercial building code; codes are adopted and enforced locally. Local jurisdictions may adopt model codes by reference and amend them, but some counties require voter approval to adopt codes.
Montana enforces a single, uniform commercial building code statewide. Local jurisdictions may enforce the code through certified programs but cannot adopt, amend, or enforce different commercial building codes.
The state is planning to adopt the 2024 ICC codes in mid-2026, though a specific effective date has not been published. This update will impact building, energy, mechanical, plumbing, fuel gas, electrical, and accessibility codes.
Nebraska adopts a statewide commercial building code based on 2018 model codes. Local jurisdictions may adopt the state code or a conforming code with limited amendments but cannot opt out; the state code applies if no local code is adopted.
Nevada enforces a statewide commercial building code based on national models with state-specific modifications. Local jurisdictions may adopt more stringent amendments or administer enforcement under agreements but cannot adopt less stringent codes or fully opt out.
Nevada is undergoing widespread local adoptions of the 2024 ICC codes, with mandatory compliance required by January 1, 2026, after transitional periods in 2025. The updates will impact building, residential, energy, electrical, mechanical, plumbing, fuel gas, fire, and wildland-urban interface codes.
New Hampshire enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may adopt more stringent amendments but cannot adopt less-stringent or entirely separate codes.
New Jersey enforces a single, uniform commercial building code statewide with no local opt-out or amendments. Local jurisdictions typically handle enforcement but must follow the state-adopted code without modification.
New Jersey is reviewing updates to adopt the 2024 ICC codes and the 2023 National Electrical Code, with public comments open through December 19, 2025. The proposed changes would affect building, energy, electrical, mechanical, plumbing, and fuel gas codes, but the effective date remains unclear.
New Mexico adopts a minimum statewide commercial building code, enforced for all commercial projects. Local jurisdictions may amend or adopt their own codes only under home-rule authority.
New York enforces uniform statewide building and energy codes for commercial projects, with local governments handling enforcement. Local jurisdictions may adopt more-restrictive standards with state approval but cannot opt out or adopt independent codes.
North Carolina enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may propose amendments, but these require state approval and cannot conflict with the statewide code.
North Carolina has adopted the 2024 State Building Code suite but legislative delays have pushed the effective date to 2026 or later. The update will impact building, fire, energy, electrical, mechanical, and plumbing codes.
The state adopts a building code based on the IBC, but enforcement is local. Jurisdictions adopting the code must follow the state version but may amend it, while home rule cities can theoretically adopt different codes.
North Dakota has adopted the 2024 IBC, IRC, IMC, IFGC, IECC, and IEBC, with the updated State Building Code taking effect on January 1, 2026. The changes will impact building, energy, mechanical, fuel gas, and existing building code.
Ohio enforces a statewide commercial building code incorporating ICC model codes with state-specific amendments. Local jurisdictions may enforce the code and add non-conflicting regulations but cannot adopt independent commercial codes.
Oklahoma adopts a statewide commercial building code with minimum standards that all local jurisdictions must follow. Local jurisdictions may propose stricter amendments to address local needs, but these require state approval, and opting out is not allowed.
Oklahoma is conducting rulemaking and technical review to adopt 2024 code editions, with a public hearing scheduled for January 2026. The update will impact building, fire, residential, existing building, fuel gas, mechanical, plumbing, and energy codes.
Oregon enforces a single, uniform commercial building code statewide, administered by the state. Local jurisdictions may request amendments with state approval but cannot opt out or adopt separate commercial building codes independently.
Oregon has begun the code adoption process for the 2026 Residential Specialty Code, with an anticipated effective date of October 1, 2026. The update will primarily impact residential building codes.
Pennsylvania adopts a uniform commercial building code statewide, primarily enforced by local jurisdictions. Municipalities may opt out of enforcement, transferring responsibility to the state, but it is unclear if local amendments or independent adoptions are allowed.
Pennsylvania has approved a Uniform Construction Code update, effective January 1, 2026, but the specific model codes and affected disciplines are not detailed. Accessibility updates remain unenforced due to a court injunction, while non-accessibility requirements are enforceable.
Rhode Island enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may not adopt or amend commercial building codes independently.
South Carolina enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions may enforce or amend codes only if modifications are approved through the state’s formal review process.
South Carolina is reviewing the 2024 code editions and the 2023 National Electrical Code as part of its adoption cycle, but no implementation date has been announced. The updates are expected to impact building, fire, electrical, mechanical, plumbing, and fuel gas codes.
South Dakota sets statewide baseline commercial building codes based on the IBC, IFC, and IMC. Local jurisdictions may amend or adopt codes but cannot fully opt out, and state rules apply where no local ordinance exists.
Tennessee enforces minimum statewide commercial building codes through the State Fire Marshal's Office, though enforcement varies in "Exempt Jurisdictions" with reduced requirements. It is unclear if local jurisdictions may adopt stricter amendments to state codes.
Texas sets a statewide minimum commercial building code that all jurisdictions must meet. Local jurisdictions may adopt newer editions or amendments but cannot opt out of the minimum code.
Utah enforces a single, uniform commercial building code statewide. Local jurisdictions may not adopt independent codes or more restrictive amendments, except for specific exceptions authorized at the state level.
Utah will implement new Wildland Urban Interface building standards effective January 1, 2026, as mandated by HB 48. The changes will impact fire safety, site planning, and building enforcement practices.
Vermont enforces a statewide commercial building code based on national standards with state-specific amendments. Local jurisdictions may adopt more stringent rules but cannot opt out or adopt independent codes.
Virginia enforces a single, uniform commercial building code statewide with no local opt-out. Local jurisdictions cannot amend or independently adopt different commercial building codes.
Washington enforces a statewide commercial building code that local jurisdictions must adopt and enforce. Local jurisdictions may amend the code if amendments meet state minimum standards, but they cannot opt out or adopt independent codes.
Washington has delayed final adoption of the 2024 code cycle to May 2026, with an effective date of November 1, 2026. The updates will impact building, fire, energy, mechanical, plumbing, and fuel gas codes.
West Virginia sets a minimum statewide building code for commercial projects, which local jurisdictions must adopt to enforce. Local jurisdictions may amend discretionary provisions but cannot opt out or adopt independent codes entirely.
Wisconsin enforces a single, uniform statewide commercial building code with no local opt-out. Local jurisdictions may not adopt or amend commercial codes independently but can be certified to perform plan reviews and inspections under state oversight.
Wisconsin has finalized updates to the Commercial Building Code to adopt the 2021 ICC commercial code suite, with an official effective date of September 1, 2025, though legislative efforts to delay implementation into 2026 are unresolved. The update will impact building, energy, mechanical, plumbing, fire, fuel gas, and accessibility codes.
Wyoming enforces a uniform statewide commercial building code based on the 2024 International Codes and 2023 NEC. Local jurisdictions may enforce and amend codes if stricter but cannot adopt weaker standards or opt out entirely.