Mechanical Systems Work at 309 President Street, Brooklyn
309 PRESIDENT STREET, Brooklyn, 11231 · Carroll Gardens-Cobble Hill-Gowanus-Red Hook
What was permitted
This permit covers significant mechanical systems work at a property in the Carroll Gardens-Cobble Hill-Gowanus-Red Hook neighborhood of Brooklyn. Homeowners and neighbors can use this as a reference point for the potential costs associated with updating a building's core mechanical infrastructure.
The permit was issued on July 7, 2026, with an estimated project cost of $284,000. The work is being managed by BLACK SQUARE BUILDERS COR.
A substantial $284,000 mechanical systems project was permitted in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, offering insight into major building upgrades.
What it cost
Issued
July 7, 2026
Expires
May 5, 2027
License
General Contractor
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Filed by BLACK SQUARE BUILDERS COR · 20 permits across 9 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 | 272365350 |
| Work Permit # | B01339016-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Herewith filing mechanical systems work, as per plans submitted. |
| Floor / Unit | Basement-SO-5906-B01339016-I1, Floor Number(s)-3-SO-6218-B01339016-I1, Cellar-SO-5716-B01339016-I1, Floor Number(s)-1-SO-3064-B01339016-I1, Floor Number(s)-2-SO-2779-B01339016-I1 |
| Estimated Cost | $284,000 |
| Approved | May 28, 2026 |
| Issued | July 7, 2026 |
| Expires | May 5, 2027 |
| BBL | — |
| BIN | — |
Property Owner
309 HQ LLC
Scott Puryear