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Connecticut · CT
Steel & concrete modular homes in Connecticut
Modular homes are built to state and local building codes and set on a permanent foundation. Here is what applies in Connecticut.
Connecticut program
- Administering agency
- Not verified. Confirm with the local building department.
- Program / authority
- Connecticut State Building Code, §111.7 prefabricated assemblies (2022 code)
- Code basis
- 2022 Connecticut State Building Code, based on 2021 International Codes (permit applications filed on/after Oct 1, 2022)
- Inspection & seal
- Prefabricated assemblies including modular need a certificate of approval from an approved agency; the local building official inspects placement and utility connections.
- Good to know
- Local building official issues permits and inspects on-site work; a 2026 code edition was released for public comment in Aug 2025 (adoption unconfirmed).
- Official source
- https://portal.ct.gov/das/office-of-state-building-inspector
Summarised from public sources; rules change. Confirm with Connecticut’s agency and your local building department before ordering.
Your project in Connecticut
Step 1
Confirm zoning & permits
Local jurisdiction sets lot, setback and design rules. See Permits & Zoning.
Step 2
Plans reviewed to state code
We stamp plans for the code that applies in Connecticut.
Step 3
Factory build & inspection
Third-party or state inspection happens in the factory, then final on site.
Step 4
Set, connect, certify
Modules crane in, joints are torqued and inspected, and local sign-off issues the CO.