Sprinkler System Modifications at 335 Humboldt Street, Brooklyn
335 HUMBOLDT STREET, BROOKLYN, 11211 · East Williamsburg
What was permitted
This permit details modifications to an existing sprinkler system located at 335 Humboldt Street in the East Williamsburg neighborhood of Brooklyn. The work does not involve any changes to the property's use, egress, or occupancy.
The permit was issued on May 4, 2026, with a significant estimated project cost of $99,997.5. MASTER PLBG AND HTG INC is the contractor for these sprinkler system modifications.
For homeowners in East Williamsburg, significant upgrades to existing sprinkler systems can represent a substantial investment, with this project costing nearly $100,000.
What it cost
Issued
May 4, 2026
Expires
April 1, 2027
License
Fire Suppression Contractor
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Filed by MASTER PLBG AND HTG INC · 24 permits across 12 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 581777047 |
| Work Permit # | B00804561-I1-EW-SP |
| Job Filing Number | — |
| Work Type | Sprinklers |
| Status | Permit Issued |
| Job Description | Modifications to existing sprinkler systems. No change in use, egress or occupancy. |
| Floor / Unit | Cellar, Floor Number(s) 1 through 4, Open Space, Roof |
| Estimated Cost | $99,998 |
| Approved | September 14, 2023 |
| Issued | May 4, 2026 |
| Expires | April 1, 2027 |
| BBL | — |
| BIN | — |
Property Owner
335 HUMBOLDT STREET LLC
MICHAEL PROVENZANO