Grant Programs
Every septic grant Suffolk County homeowners can use
Suffolk County SIP ($20,000) + NY State SSRP ($25,000) + approved IA/OWTS systems — up to $45,000 combined.
Suffolk County Septic Improvement Program (SIP)
Up to $20,000 per property
How the Suffolk County Septic Improvement Program (SIP) works — up to $20,000 to replace your cesspool with an IA/OWTS system. Eligibility, timeline, and how to apply.
New York State Septic System Replacement Fund (SSRP)
Up to $25,000 per property (75% of eligible costs)
The NY State Septic System Replacement Fund pays up to 75% of eligible costs, capped at $25,000 per property, to replace failing cesspools. Eligibility and how to apply.
IA/OWTS Nitrogen-Reducing Septic Systems
Grant-funded up to $45,000 combined in Suffolk County
What an IA/OWTS system is, which brands are approved in Suffolk County, and why nitrogen reduction is the key to grant eligibility. Complete homeowner guide.