Connecticut Historic Homes Rehabilitation Tax Credit

CT State Historic Preservation Office

Available Historic Preservation

About This Program

State income tax credit of 20% for substantial rehabilitation of eligible historic homes in Connecticut. Can be combined with 20% federal historic tax credit if property is income-producing or in a National Register district.

Estimated tax credit on $50,000 qualifying rehabilitation

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

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

Key Details

  • 20% state tax credit on historic home rehabilitation
  • Home must be listed or eligible for National Register
  • Can combine with 20% federal credit if applicable
  • Minimum $25,000 in qualified expenses
  • Must follow Secretary of Interior Standards

How to Apply

Get free help applying Visit Official Program Page Track this program

(860) 500-2300

A grant-savvy contractor in Newtown, CT can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

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 Newtown 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 year-round

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