Louis L.BUTTERMARK & Sons
Louis L.BUTTERMARK & Sons filed 2 permits with the NYC Department of Buildings in the last two years under Master Plumber #000817, most recently on Aug 14, 2025. It worked most often in Rosebank (1), Westerleigh (1).
What do public records show for Louis L.BUTTERMARK & Sons?
| License | Master Plumber #000817 Issued by the NYC Department of Buildings |
|---|---|
| DOB permits filed (last 2 years) | 2 |
| Permits in the last 12 months | 0 |
| Most recent permit | Aug 14, 2025 |
| Boroughs worked in | Staten Island (2) |
| Median estimated job cost on new permits | $10,500 As filed with DOB; not a price quote |
Where does Louis L.BUTTERMARK & Sons work?
How do I verify this license?
Ask for the master plumber's license number and look it up on the DOB NOW Public Portal or DOB's license search. Every permit in our listings was filed under a DOB plumbing license.
DOB NOW Public Portal (license and permit search)
Source: DOB NOW: Build approved plumbing permits, as of November 4, 2026. Expert Helper is not affiliated with this business, and a listing is not an endorsement. Is this your business? Request a correction or claim it.