Permit Record

Residential

170 Riverdale Avenue, Brooklyn, NY 11212

ClassificationOTMultifamily Alteration
Reliable valueNot in source
ContractorL & M Builders Group LLC →
Permit record
Parties
Contractor
L & M Builders Group LLC
Applicant
Sanford Lowentheil
Owner
L+m Development Partners
Architect
Not in source
Engineer
Not in source
Contractor license
0600848
Building & lot · PLUTO
Building class
C1
Zoning district
R6
Lot area
38,900 sq ft
Year built
1974
Units (total)
74
Units (residential)
74
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3036010026
Climate zone (IECC)
4A
Roof area (est.)
14,300 sq ft
HVAC tonnage (est.)
95.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6608, -73.9102
Geocode confidence
95%
Geocode source
Not in source
Issued
Mar 8, 2016
Applied
Mar 8, 2016
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Apr 1, 2017
Provenance
First seen by PermitCore
May 2, 2026 · 16:05 UTC
Last seen
Jul 17, 2026 · 02:27 UTC
Last changed
May 2, 2026 · 16:05 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

28 permits at this parcel (parcel 3036010026) · Nov 30, 2007 – Oct 10, 2025

  1. Oct 10, 2025621022135Scaffold · FinaledPowers Bridging & Scaffol
  2. Oct 9, 2025604208610Sidewalk Shed · FinaledPowers Bridging & Scaffol
  3. Mar 13, 20253987046Other · IssuedL & M Builders Group LLC
  4. Mar 8, 20243972522Other · IssuedL & M Builders Group LLC
  5. Mar 7, 20233942120Other · IssuedL & M Builders Group LLC
  6. Feb 4, 20223892751Other · IssuedL & M Builders Group LLC
  7. Feb 3, 20213826500Other · IssuedL & M Builders Group LLC
  8. Mar 4, 20203742698Other · IssuedL & M Builders Group LLC
  9. Mar 21, 20193644995Other · IssuedL & M Builders Group LLC
  10. Sep 28, 20183639172Other · IssuedL & M Builders Group LLC
  11. Mar 21, 20173336248MEP Mechanical HVAC · IssuedL & M Builders Group LLC
  12. May 2, 20163159259MEP Plumbing · IssuedBackflow Prevention Of Ny
  13. May 2, 2016legacy_jobs:2619205Alteration Residential · Finaled$6,500
  14. Apr 27, 20163157466MEP Mechanical HVAC · IssuedL & M Builders Group LLC
  15. Mar 8, 20163127874Other · IssuedL & M Builders Group LLC
  16. Mar 8, 2016This permitOther · IssuedL & M Builders Group LLC
  17. Sep 18, 20153039751MEP Plumbing · IssuedJ.E.S. Plbg & Htg CORP
  18. Sep 18, 2015legacy_jobs:2532678Alteration Residential · Finaled$55,000
  19. Sep 18, 20153039755Alteration Commercial · IssuedJ.E.S. Plbg & Htg CORP
  20. Jun 4, 2015legacy_jobs:2503090Alteration Residential · Issued$79,035
  21. Jun 4, 20152980893OtherL&m Builders Group LLC
  22. May 20, 2015legacy_jobs:2503065Alteration Residential · Finaled$55,620
  23. May 20, 20152972078Other · IssuedL&m Builders Group LLC
  24. Nov 30, 20071875822Construction Equipment · IssuedHigh-Tech Bridging INC.
  25. Nov 30, 2007legacy_jobs:1089084Temporary · Issued
  26. Date not in sourcelegacy_jobs:2619199Alteration Residential · Pending$3,792
  27. Date not in sourcelegacy_jobs:2471685Alteration Residential · Pending$55,620
  28. Date not in sourcelegacy_jobs:2471690Alteration Residential · Pending$64,035

Full permit history at this parcel · as of Jul 19, 2026.

Other permits by L & M Builders Group LLC

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Developer details
Permit #
3127296
Canonical ID
1:3127296
Source permit ID
3127296
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