Maryland Department of the Environment
Maryland Bay Restoration Fund Septic Upgrade Program is available to homeowners in Catonsville, MD.
State grant covering 100% of cost to upgrade existing septic systems to nitrogen-removing Best Available Technology (BAT) systems. Priority areas include homes near Chesapeake Bay tributaries. No income limits; available to all Maryland homeowners with conventional septic systems.
Grant covers 100% of eligible upgrade costs including design, permits, and installation
Official program page checked live on 2026-06-22.
Data last verified 2026-06-09. How we verify our data.
In Catonsville, MD, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Catonsville, MD 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 Catonsville 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: Ongoing; applications accepted year-round
Ask us. It is free, and a real person answers within a business day.
Email us about this programUp to $15,000 grant (100% of eligible costs).
Maryland Bay Restoration Fund Septic Upgrade Program is open to homeowners in Catonsville, MD. It has no income limit.
Apply directly with Maryland Department of the Environment using the official program link on this page or call (410) 537-3932. 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.
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