Home Conversion and Refurbishment in Park Slope
521 9 STREET, BROOKLYN, 11215 · Park Slope
Estimated Project Cost
$0
General Construction
Issued
April 23, 2026
Expires
August 15, 2026
License
General Contractor
About This Project
This permit covers the conversion of an existing two-family dwelling into a one-family home at 521 9 STREET in the Park Slope neighborhood. The project includes refurbishment and addressing landmark violations.
The permit was issued on April 23, 2026, with an estimated cost of $221,400. BUILDWISE CONSTRUCTION GR is the contractor.
What This Means For You
The $221,400 cost for converting a two-family home to a one-family home in Park Slope offers insight into the costs of such renovations.
The Business That Did This Work
BUILDWISE CONSTRUCTION GR
General Contractor · License #627075
94 AVENUE U
13 permits filed · 11 neighborhoods
Permit Details
| Tracking Number | 694865979 |
| Work Permit # | B00685606-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | PROPOSED TO CONVERT EXISTING (2) FAMILY TO (1) FAMILY DWELLING. REFURBISHMENT WORK AS PER PLAN AND REMEDY LANDMARK VIOLATIONS. NO CHANGE IN BULK AND OBTAIN NEW CERTIFICATE OF OCCUPANCY. |
| Floor / Unit | Cellar, Basement, Floor Number(s) 1, Floor Number(s) 2 |
| Estimated Cost | $221,400 |
| Approved | November 2, 2022 |
| Issued | April 23, 2026 |
| Expires | August 15, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PR
JINLAN LIU
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