Suffolk County, New York · septic · last verified 2026-09-02
LW-69389
William Mauff
William Mauff
File
- Street
- 6H Enterprise Drive
- City / town
- East Setauket
- County
- Suffolk
- State
- NY
- ZIP
- 11733
- Phone
- 631-473-3568
- Website
- —
- License number
- LW-69389
- Board
- Suffolk County Department of Labor, Licensing and Consumer Affairs (Liquid Waste License)
- Status
- Active
- Issued
- 2023-09-20
- Expires
- 2027-09-01
- License contact
- William Mauff
- License street
- 6H Enterprise Drive
- License city
- East Setauket
- Last verified
- 2026-09-02
- COI on file
- no
Services claimed from opened sources
- septic install (septic_install)
- I/A OWTS install (ia_owts_install)
Sources opened
File notes
DCA Liquid Waste page-2 row: LW-69389, Mauff, William, 6H Enterprise Drive, East Setauket, NY 11733, 6314733568, [email protected]. Category: Innovative/Alternative Treatment System Provider; Conventional Septic Systems Installation; Innovative/Alternative Treatment System Installation. Active. Issued 2023-09-20. Expires 2027-09-01. Business Name column blank. Pumping is not claimed.