Learn more about the CT State building code
The Connecticut State Building Code (CSBC) applies to all newly-constructed buildings, as well as those undergoing alterations, additions, or changes of use.
In conjunction with the Codes and Standards Committee, the Office of the State Building Inspector (OSBI) establishes the building, electrical, mechanical, plumbing, accessibility, and energy code requirements of the CSBC, necessary to promote the health and safety of the people of Connecticut.
CSBC resources
Past state building code resources
About the Office of the State Building Inspector
OSBI Overview
The Office of the State Building Inspector (OSBI), in conjunction with the Codes & Standards Committee, is responsible for adopting new state building codes. OSBI also ensures state buildings are built and maintained to the state building codes and:
- Provides CSBC information and interpretations
- Reviews building code modification requests
- Responds to design, construction, and public questions
- Issues permits and inspections for some state threshold and non-threshold construction
- Provides information regarding the CSBC
CT building code information
Learn more about us and what we do
Codes and Standards Committee
The Codes and Standards Committee works with the OSBI and many others to adopt new codes. Code adoption is always happening. It takes a lot of time and work.
Read the Building Code
The 2022 Connecticut State Building Code (CSBC) is based on the International Code Council’s widely-adopted 2021 International Codes and references the ICC A117.1-2017 standard for accessibility. It applies to projects with permit applications filed from October 1, 2022.
Office of Education and Data Management
Performs credentialing for the OSBI. Trains and accredits Building Code Enforcement.
Codes Amendment Subcommittee
Collaborates with the OSBI to adopt new state building and fire safety codes.
Forms and Updates
- An Act Concerning Demolition Licensure and Demolition Permits
- Bonding of Corrugated Stainless Steel Tubing (CSST) Memo (PDF)
- Building Code Draft Abatement Letters and Memos
- Connecticut Standardized Solar Photovoltaic (PV) Permit Application Supplement (PDF)
- Digitization of Building Codes (PDF)
- Notice of Violation and Order to Abate – 2018 SBC (IBC) (PDF)
- Notice of Violation and Order to Abate – 2018 SBC (IRC) (PDF)
- Stop Work Order – 2018 SBC (IBC) (PDF)
- Stop Work Order – 2018 SBC (IRC) (PDF)
- Notice of Unsafe Structure – 2018 SBC (IBC/IRC) (PDF)
- Notice of Imminent Danger – 2018 SBC (IBC/IRC) (PDF)
- OSBI Advisories and Memos
- Special Act No 22-14 Working Groups - HB 5428
FAQS
- How do I apply for a building permit?
- How do I request an inspection?
- How do I request modifications and exemptions?
- Where do I find the Connecticut State Building Codes (CSBC)?
- What is the CSBC?
- Who helps with the CSBC?
- What is the Connecticut State Building Code’s adoption process?
- How can I obtain model codes?
- How do I find information on the history of the CSBC? How has it changed?
- Where can I find an update about demolition permits?
- What about the Standardized Photovoltaic Supplement Memorandum?
- VIEW ALL
Contact us
The Office of the State Building Inspector
Address:
450 Columbus Blvd., Suite 1304
Hartford, CT 06103
State Building Inspector
Email: DAS.osbi@ct.gov
Tel: 1-860-713-5900
Local Building Officials
To contact your local building official, please consult this list (PDF).
Freedom of Information requests
Enter requests into our GovQA system.
