Building permit
645 Lefferts Avenue, Brooklyn, NY
ClassificationPAMultifamily Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
- Contractor
- Not in source
- Applicant
- Not in source
- Owner
- Crown Heights Pres. CORP
- Architect
- Reuben Gross
- Engineer
- Not in source
- Contractor license
- Not in source
Building & lot · PLUTO
- Building class
- RM
- Zoning district
- R7-1
- Lot area
- 11,997 sq ft
- Year built
- 1925
- Units (total)
- 27
- Units (residential)
- Not in source
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 3014267501
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 3,131 sq ft
- HVAC tonnage (est.)
- 46.5 tons
- Building type
- R
- Building subtype
- OTHERS
Geocode & dates
- Coordinates
- 40.6631, -73.9396
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Jun 23, 2015
- Applied
- Apr 2, 2015
- Work class
- Not in source
Status
- Current status
- finaled
- Source status
- COMPLETED
- Finaled
- Jun 23, 2015
Provenance
- First seen by PermitCore
- May 6, 2026 · 18:53 UTC
- Last seen
- Jun 7, 2026 · 15:06 UTC
- Last changed
- Jun 7, 2026 · 15:06 UTC
Data-quality checks1 of 12 flagged
1 of 12 data-quality checks flagged on this permit. Detail below.
- Valuation is placeholder
valuation_usd_is_placeholdervaluation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.
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
Project timeline at this parcel
- Jun 23, 2015This permitOther · Finaled
- Date not usable in source1204894MEP Mechanical HVAC · IssuedAdmiral Cooling Htng
- Date not usable in source1178916MEP Plumbing · IssuedBest Plg Partners
- Date not usable in source1168500Alteration Commercial · IssuedConstruction Headquarters INC
Full permit history at this parcel · as of Jul 9, 2026.
Developer details
- Permit #
- legacy_jobs:2484700
- Canonical ID
- 1:legacy_jobs:2484700
- Source permit ID
- legacy_jobs:2484700