Building permit
291 Butler St, Brooklyn, NY 11217
Permit record
Parties
- Contractor
- Mhm Construction Nyc INC
- Applicant
- Hassan Mabrouk
- Owner
- Gowanus Realty L.L.C.
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- 0622351
Building & lot · PLUTO
- Building class
- E1
- Zoning district
- M1-4/R6A
- Lot area
- 5,000 sq ft
- Year built
- 2000
- Units (total)
- 1
- Units (residential)
- 0
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 3004060069
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 5,000 sq ft
- HVAC tonnage (est.)
- 5.5 tons
- Building type
- S
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 40.6812, -73.9845
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Dec 16, 2020
- Applied
- Dec 8, 2020
- Work class
- Not in source
Status
- Current status
- issued
- Source status
- ISSUED
- Expired
- Oct 7, 2021
Provenance
- First seen by PermitCore
- May 2, 2026 · 16:43 UTC
- Last seen
- Jul 17, 2026 · 02:34 UTC
- Last changed
- May 2, 2026 · 16:43 UTC
Data-quality checks1 of 12 flagged
1 of 12 data-quality checks flagged on this permit. Detail below.
- Residential units is placeholder
units_residential_is_placeholderunits_residential matched a known placeholder value used by the source when the field 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
- Total units out of bounds
- Total units is placeholder
- Valuation out of bounds
- Valuation is placeholder
Project timeline at this parcel
- Dec 16, 2020This permitOther · IssuedMhm Construction Nyc INC
- Dec 16, 2020legacy_jobs:3244775Alteration Commercial · Finaled$5,000
- Dec 16, 2020legacy_jobs:3244767Alteration Commercial · Finaled$5,000
- Date not usable in source1260266New Construction Unknown · IssuedArc Electrical & Mechanical CO
- Date not usable in source1260259Construction Equipment · IssuedArc Electrical & Mechanical CO
- Date not usable in source1255693MEP Plumbing · IssuedMetropolitan Ht Power Co_inc
- Date not usable in source1234789New Construction Unknown · IssuedArc Electrical & Mechanical CO
- Date not usable in source1232601Construction Equipment · IssuedArc Electrical & Mechanical CO
Full permit history at this parcel · as of Jul 19, 2026.
Other permits by Mhm Construction Nyc INC
Developer details
- Permit #
- 3812392
- Canonical ID
- 1:3812392
- Source permit ID
- 3812392