Connecticut Housing Finance Authority
Connecticut Septic System Repair Program is available to homeowners in Darien, CT.
Low-interest loan for Connecticut homeowners to repair or replace failing septic systems. Available to owner-occupants with income at or below 80% AMI. Interest rate 3% with terms up to 10 years.
Low-interest 3% loan for septic system repair or replacement
Official program page checked live on 2026-06-22.
Data last verified 2026-06-09. How we verify our data.
In Darien, CT, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Darien, 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 Darien early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
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: Rolling applications
Ask us. It is free, and a real person answers within a business day.
Email us about this programUp to $20,000 loan.
Connecticut Septic System Repair Program is open to homeowners in Darien, CT.
Apply directly with Connecticut Housing Finance Authority using the official program link on this page or call (860) 571-3502. There is no middleman and no fee.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
See All Programs