General Construction at 450 Bergen Street, Brooklyn
450 BERGEN STREET, BROOKLYN, 11217 · Park Slope
What was permitted
A significant general construction project is underway at 450 Bergen Street in Brooklyn's Park Slope neighborhood. The scope of work includes refiling a previous job to show the conversion of the first floor from residential to commercial use, and establishing one apartment on both the second and third floors.
This permit was issued on April 10, 2026, with an estimated project cost of $419,250. The general contractor for this conversion is ADK MAINTENANCE INC.
Park Slope property owners can note the $419,250 general construction project at 450 Bergen Street, which includes a commercial conversion and new apartment creation.
What it cost
Issued
April 10, 2026
Expires
February 23, 2027
License
General Contractor
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Filed by ADK MAINTENANCE INC · 2 permits across 1 neighborhood
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 | 691429205 |
| Work Permit # | B01053187-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | JOB FILED TO REFILE THE BIS JOB#321492149, SHOW THE CONVERSION OF THE BACK OF THE FIRST FLOOR FROM RESIDENTIAL TO COMMERCIAL, 2ND FLOOR 1 APARTMENT, 3RD FLOOR 1 APARTMENT AS PER PLANS FILED HEREWITH. |
| Floor / Unit | Cellar, Cellar, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Roof |
| Estimated Cost | $419,250 |
| Approved | January 22, 2025 |
| Issued | April 10, 2026 |
| Expires | February 23, 2027 |
| BBL | — |
| BIN | — |
Property Owner
MICKWILLI
Jonathan Williams