Mechanical Systems Modifications at 80 Willoughby Street, Brooklyn
80 WILLOUGHBY STREET, Brooklyn, 11201 · Downtown Brooklyn-DUMBO-Boerum Hill
What was permitted
This permit details modifications to the existing mechanical systems within a property on Willoughby Street in Downtown Brooklyn. The work is being undertaken in conjunction with interior renovations, suggesting a comprehensive update to the building's internal services.
Issued on June 26, 2026, the project has an estimated cost of $836,500. SIGNATURE CONSTRUCTION GR is the General Contractor. This permit confirms no changes to the property's use, egress, or occupancy.
A substantial $836,500 investment is being made in mechanical system upgrades and interior renovations in Downtown Brooklyn.
What it cost
Issued
June 26, 2026
Expires
September 19, 2026
License
General Contractor
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Filed by SIGNATURE CONSTRUCTION GR · 32 permits across 19 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 | 247877564 |
| Work Permit # | B01379260-S2-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | HEREWITH FILING MODIFICATIONS TO THE EXISTING MECHANICALS IN CONJUNCTION WITH INTERIOR RENOVATIONS AS OUTLINED IN PLANS. NO CHANGES IN USE, EGRESS, OR OCCUPANCY. |
| Floor / Unit | Cellar, Floor Number(s) 001 through 002, Roof |
| Estimated Cost | $836,500 |
| Approved | April 3, 2026 |
| Issued | June 26, 2026 |
| Expires | September 19, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PR
Casey Martinez