509 6 AVENUE, Brooklyn, 11215 · Park Slope
This permit is for foundation work related to a significant property alteration at 509 6 Avenue in the Park Slope neighborhood of Brooklyn. The project involves converting a two-family dwelling into a single-family home, requiring structural adjustments to the foundation.
The permit was issued on August 11, 2026, with an estimated project cost of $37,000. PTG GROUP LLC is the General Contractor overseeing this foundation work.
Homeowners in Park Slope considering property conversions can note the $37,000 estimated cost for foundation work associated with changing a two-family home to a one-family residence.
Issued
August 11, 2026
Expires
October 3, 2026
License
General Contractor
See what a project like this costs near you
We'll compare your scope against real permits and licensed contractors in the area.
Start my estimate →Free · takes 60 seconds · no account needed
Filed by PTG GROUP LLC · 2 permits across 1 neighborhood
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 912832551 |
| Work Permit # | B01322734-S3-FO |
| Job Filing Number | — |
| Work Type | Foundation |
| Status | Permit Issued |
| Job Description | FOUNDATION WORK ASSOCIATED WITH THE CONVERSION OF A TWO FAMILY TO A ONE FAMILY. |
| Floor / Unit | Cellar-SO-4007-B01322734-I1 |
| Estimated Cost | $37,000 |
| Approved | July 13, 2026 |
| Issued | August 11, 2026 |
PR
ADAM BUKBERG
| Expires |
| October 3, 2026 |
| BBL | — |
| BIN | — |