Westchester County, NY septic permits and regulations
Septic systems in Westchester County, New York are permitted by Westchester County Department of Health under 10 NYCRR Appendix 75-A.
Septic permit program
- Program type: County Health Department
- Authorized agent: Westchester County Health Department
- Own septic program: No, uses New York state rules
- Local rules beyond the state: No
- Population: 1,004,457
Permit fee comparison
Average septic permit fee in Westchester County: $279. New York average: $309.
Local rules
Has Onsite Wastewater Treatment System (OWTS) Rules and Regulations effective April 1, 2022. County offers maintenance reimbursement: up to $300 every 3 years for pump-out, up to $275 every 6 years for inspection.
What SepticPro has on file for Westchester County
- 4 permit fees with sources
- The agency phone, email and office address
- Setback distances
- Soil and perc test requirements
- Allowed system types
- System design rules
- Inspection requirements
- Maintenance and pumping rules
- Point-of-sale rules
- Installer, designer and pumper licensing
Create a free account to see the full details.
Draw a permit-ready site plan for Westchester County
Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Westchester County Department of Health. See how SepticPro site plans work.
Other New York counties
- Albany County
- Allegany County
- Bronx County
- Broome County
- Cattaraugus County
- Cayuga County
- Chautauqua County
- Chemung County
- Chenango County
- Clinton County
- Columbia County
- Cortland County
- Delaware County
- Dutchess County
- Erie County
- Essex County
- Franklin County
- Fulton County
- Genesee County
- Greene County
- Hamilton County
- Herkimer County
- Jefferson County
- Kings County
Data checked 2026-03-16. Always confirm requirements with Westchester County Department of Health before applying.