What was permitted
A permit has been issued for mechanical modifications within Apartment 5C at the address 9 Prospect Park West, located in the desirable Park Slope neighborhood of Brooklyn. This work pertains to the building's internal systems.
The permit was issued on May 13, 2026, with an estimated project cost of $25,000. BLUE WATER BUILDERS LLC (GC) is the contractor undertaking these mechanical upgrades.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 447695909 |
|---|---|
| Work permit # | B01321858-S1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | MECHANICAL MODIFICATIONS TO APT 5C |
| Floor / unit | Floor Number(s) 5 through 5 |
| Estimated cost | $25,000 |
| Approved | March 27, 2026 |
| Issued | May 13, 2026 |
| Expires | February 23, 2027 |
| BBL | — |
| BIN | — |
Property owner
Not Applicable
Matthew Keller
Related searches
mechanical systemsbrooklynpark slopenew york cityapartment renovationpermit issued$25,000