Building permit
449 Chester Street, Brooklyn, NY 11212
Permit record
Parties
- Contractor
- L & M Builders Group LLC
- Applicant
- Sanford Lowentheil
- Owner
- Mgx Associates Phase 1 F LLC
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- 0600848
Building & lot · PLUTO
- Building class
- RR
- Zoning district
- R7-2
- Lot area
- 37,500 sq ft
- Year built
- 2020
- Units (total)
- 174
- Units (residential)
- 174
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 3036020012
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 13,907 sq ft
- HVAC tonnage (est.)
- 206 tons
- Building type
- R
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 40.6604, -73.9093
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Feb 9, 2021
- Applied
- Feb 9, 2021
- Work class
- Not in source
Status
- Current status
- issued
- Source status
- ISSUED
- Expired
- Apr 1, 2022
Provenance
- First seen by PermitCore
- May 2, 2026 · 16:44 UTC
- Last seen
- Jul 17, 2026 · 02:34 UTC
- Last changed
- May 2, 2026 · 16:44 UTC
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
- Feb 9, 2021This permitOther · IssuedL & M Builders Group LLC
- Feb 9, 20213827780Other · IssuedL & M Builders Group LLC
- Oct 22, 20203799895Construction Equipment · IssuedTri Borough Scaffolding.&
- Oct 22, 2020legacy_jobs:3202850Alteration Commercial · Finaled
- Oct 22, 2020legacy_jobs:3255783Alteration Residential · Finaled
- Oct 22, 2020legacy_jobs:3201042Alteration Commercial · Finaled
- Oct 16, 2020legacy_jobs:3254256Temporary · Finaled
- Oct 16, 2020legacy_jobs:3256101Temporary · Finaled
- Oct 16, 20203798065Construction Equipment · IssuedTri Borough Scaffolding.&
- Oct 16, 2020legacy_jobs:3254264Temporary · Finaled
- May 4, 20203754109Other · IssuedL & M Builders Group LLC
- May 4, 2020legacy_jobs:3203769Alteration Residential · Finaled$100,000
- May 4, 2020legacy_jobs:3205473Alteration Residential · Finaled$100,000
- May 4, 20203754121Other · IssuedL & M Builders Group LLC
- Apr 2, 2020legacy_jobs:3336018New Construction Residential Mf · Issued
- Date not in sourcelegacy_jobs:3322314Temporary · Finaled
- Date not in sourcelegacy_jobs:3167984New Construction Commercial · Issued
- Date not in sourcelegacy_jobs:3323195Temporary · Finaled
- Date not in sourcelegacy_jobs:3215231Alteration Commercial · Finaled$1,000
- Date not in sourcelegacy_jobs:3215222Alteration Commercial · Finaled$1,000
Full permit history at this parcel · as of Jul 18, 2026.
Other permits by L & M Builders Group LLC
Developer details
- Permit #
- 3827782
- Canonical ID
- 1:3827782
- Source permit ID
- 3827782