What was permitted
Homeowners in Park Slope considering renovations might find this permit informative. This project involves general construction to add a new interior stairway between the cellar and first floors, incorporating structural steel and concrete footings.
The permit for this work was issued on May 20, 2026, with an estimated project cost of $28,450. MERCURY BUILDING ASSO INC is the general contractor listed for this job.
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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 | 504547530 |
|---|---|
| Work permit # | B01310128-I1-GC-CX |
| Job filing number | — |
| Work type | Structural |
| Status | Permit Issued |
| Job description | Provide new stairway within existing wood framing with new structural steel supporting beams, columns and concrete footings. Provide new communicating steel stair between cellar and 1st floors, provide new cellar access door at cellar, per drawings. |
| Floor / unit | Cellar, Cellar, Ground Floor, Ground Floor |
| Estimated cost | $28,450 |
| Approved | December 1, 2025 |
| Issued | May 20, 2026 |
| Expires | March 4, 2027 |
| BBL | — |
| BIN | — |
Property owner
Kai Chui Chan
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