Nassau County, New York · septic · last verified 2026-09-02
H4000710000
John McGowan & Sons
John McGowan & Sons Inc
File
- Street
- 323 Glen Cove Avenue
- City / town
- Sea Cliff
- County
- Nassau
- State
- NY
- ZIP
- 11579
- Phone
- 516-676-0160
- Website
- —
- License number
- H4000710000
- Board
- Nassau County Department of Consumer Affairs (Home Improvement License)
- Status
- Licensed
- Legal name on license
- JOHN MCGOWAN & SONS INC
- License street
- 323 GLEN COVE AVENUE
- License city
- SEA CLIFF
- Last verified
- 2026-09-02
- COI on file
- no
Services claimed from opened sources
- septic install (septic_install)
Sources opened
- https://apex5.nassaucountyny.gov/ords/f?p=288:500:::NO
- https://www.nassauswcd.org/gallery/2024%20Participating%20Industry%20Professionals%20Sheet.pdf
- https://nassauswcd.org/SEPTIC
- https://nassaucountyny.gov/3528/Welcome
File notes
Nassau Apex (opened 2026-09-02), company MCGOWAN and license H4000710000: JOHN MCGOWAN & SONS INC, 323 GLEN COVE AVENUE, SEA CLIFF NY 11579, (516) 676-0160, Status Licensed, Category Home Improvement, expires 12/31/2027, insurance coverage: Landscaping, Asphalt & Paving, Masonry, Driveways, Septic Tank Installation, Concrete, Drainage, Excavation, Cesspools. Principals: Vice President JAMES P MCGOWAN, Treasurer JOHN J MCGOWAN. Sea Cliff is North Shore / unsewered. Not on the 7/29/2024 S.E.P.T.I.C. installer PDF. I/A install is not claimed. Pumping is not claimed.