What was permitted
This permit is for the renovation and enlargement of an existing one-family residence located at 645 East 87 Street in Brooklyn. The scope of work focuses on the foundation to support the expanded structure, with no changes to the property's use, egress, or occupancy.
The foundation work permit was issued on July 28, 2026, with an estimated project cost of $242,440. CARLIN CONTRACTING OF NY is the contractor listed for this renovation.
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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 | 520095893 |
|---|---|
| Work permit # | B01417607-I1-GC-CX |
| Job filing number | — |
| Work type | Structural |
| Status | Permit Issued |
| Job description | Renovate and enlarge existing one family residence. No change in use, egress or occupancy |
| Floor / unit | Cellar, Floor Number(s) 1 through 1, Open Space, Roof |
| Estimated cost | $242,440 |
| Approved | July 20, 2026 |
| Issued | July 28, 2026 |
| Expires | March 20, 2027 |
| BBL | — |
| BIN | — |
Property owner
3r1 Group LLC
Eri Sun
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