Permit Record

Alteration Commercial

631 Willoughby Ave, Brooklyn, NY

ClassificationA2Multifamily Alteration
Reliable value$472,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Park Slope Associates
Architect
Not in source
Engineer
Chi Wai Chung
Contractor license
Not in source
Building & lot · PLUTO
Building class
C3
Zoning district
R6B
Lot area
2,000 sq ft
Year built
1931
Units (total)
4
Units (residential)
4
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3017600057
Climate zone (IECC)
4A
Roof area (est.)
675 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
OTHERS
Geocode & dates
Coordinates
40.6945, -73.9442
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 17, 2019
Applied
Jun 27, 2019
Work class
Commercial
Description
Source description

INTERIOR RENOVATION WITH PARTITIONS & PLUMBING WORK AS PER PLAN. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
May 20, 2021
Provenance
First seen by PermitCore
May 6, 2026 · 18:57 UTC
Last seen
Jun 10, 2026 · 18:16 UTC
Last changed
Jun 10, 2026 · 18:16 UTC

Open in New York City source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

4 permits at this parcel (parcel 3017600057) · Aug 13, 2019 – Oct 17, 2019

  1. Oct 17, 2019This permitAlteration Commercial · Finaled$472,000
  2. Oct 17, 20193698616MEP Plumbing · IssuedSuperior Plumbing & Heati
  3. Aug 13, 20193674986MEP Mechanical HVAC · IssuedMorell Builders INC
  4. Aug 13, 20193674982Other · IssuedMorell Builders INC

Full permit history at this parcel · as of Jul 9, 2026.

Developer details
Permit #
legacy_jobs:3137235
Canonical ID
1:legacy_jobs:3137235
Source permit ID
legacy_jobs:3137235
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