What was permitted
A significant interior renovation project is underway at 5914 23 Avenue in Brooklyn's Mapleton-Midwood neighborhood, involving the conversion of a building. This work aims to increase the number of dwelling units from six to nine.
The permit for this substantial conversion was issued on June 24, 2026, with an estimated project cost of $158,120. NINE YARDS CONSTR CORP (GC) is the contractor managing this extensive 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 | 123854745 |
|---|---|
| Work permit # | B00447175-I1-GC |
| Job filing number | — |
| Work type | General Construction |
| Status | Permit Issued |
| Job description | INTERIOR RENOVATION TO CONVERT EXISTING 6 DWELLING UNIT BUILDING TO 9 UNIT BUILDING |
| Floor / unit | Floor Number(s) 001 through 003 |
| Estimated cost | $158,120 |
| Approved | July 14, 2021 |
| Issued | June 24, 2026 |
| Expires | April 17, 2027 |
| BBL | — |
| BIN | — |
Property owner
Martin Katz
Martin Katz
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