509 6 AVENUE, Brooklyn, 11215 · Park Slope
Homeowners in Park Slope considering major renovations can look at this permit for the conversion of a two-family residence to a single-family home, including the addition of a new story. This project will require a new certificate of occupancy.
This significant general construction project at 509 6 Avenue in Brooklyn was issued a permit on August 17, 2026, with a substantial estimated cost of $448,888. PTG GROUP LLC is listed as the general contractor.
A major residential conversion in Park Slope, adding a story to a two-family home, was permitted with an estimated cost of $448,888.
Issued
August 17, 2026
Expires
October 3, 2026
License
General Contractor
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Filed by PTG GROUP LLC · 2 permits across 1 neighborhood
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 995987140 |
| Work Permit # | B01322734-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | CONVERSION OF A TWO-FAMILY RESIDENCE TO A SINGLE-FAMILY RESIDENCE. A NEW STORY IS PROPOSED AND A NEW CERTIFICATE OF OCCUPANCY WILL BE OBTAINED. |
| Floor / Unit | Cellar, Basement, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Roof |
| Estimated Cost | $448,888 |
| Approved | July 31, 2026 |
| Issued |
PR
ADAM BUKBERG
| August 17, 2026 |
| Expires | October 3, 2026 |
| BBL | — |
| BIN | — |
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