Find licensed ADU builders anywhere in Connecticut: we cover 29 cities and towns, home to 1,388,188 people. Pick your city below or describe your project right away: up to three local pros get back to you, free and with no obligation.
Every builder you are matched with in Connecticut declares the contractor license required by the state.
Services available in Connecticut
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Detached ADU
Design and construction of a detached backyard unit, site-built or prefab, with the permit and utilities.
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Garage or interior conversion
Conversion of a garage, basement or part of the house into a legal accessory dwelling unit.
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ADU plans and permit
Feasibility, plans and permit application for an ADU before choosing a builder.
Frequently asked questions in Connecticut
Do you cover all of Connecticut?
Yes. Requests can come from any of the 29 cities and towns of Connecticut, and from unincorporated areas: just enter your ZIP code.
Is the service free?
Yes, for you. The licensed ADU builders pay to receive requests; you pay only the one you choose to hire, if any.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.