Connecticut Historic Homes Rehabilitation Tax Credit

Connecticut Department Economic & Community Development

Available Historic Preservation

About This Program

State income tax credit equal to 25% of qualified rehabilitation expenses for owner-occupied historic homes listed on National or State Register. Maximum $30,000 credit per project ($120,000 in qualified expenses). Must meet federal rehabilitation standards.

25% tax credit on typical qualifying rehabilitation project

Official program page checked live on 2026-06-17.

Data last verified 2026-06-09. How we verify our data.

Key Details

  • 25% state tax credit on qualified expenses
  • Maximum $30,000 credit ($120,000 expenses)
  • Home must be on National or State Register
  • Must meet federal rehabilitation standards
  • Work must be pre-approved by SHPO

How to Apply

Get free help applying Visit Official Program Page Track this program

(860) 500-2300

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You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Watertown early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Applications accepted annually

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