Mechanical Systems
471 Tompkins Avenue, Brooklyn, NY 11216
ClassificationMechanical SystemsMultifamily Alteration
Reliable value$20,000
ContractorObar Systems, INC →
Permit record
Parties
- Contractor
- Obar Systems, INC
- Applicant
- Gunnar Barr
- Owner
- Pr
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- 610142
Building & lot · PLUTO
- Building class
- C7
- Zoning district
- R6A
- Lot area
- 2,008 sq ft
- Year built
- 1872
- Units (total)
- 8
- Units (residential)
- 7
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 3018520004
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 1,303 sq ft
- HVAC tonnage (est.)
- 8.5 tons
- Building type
- R
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 40.6813, -73.9435
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Oct 1, 2020
- Applied
- Not in source
- Work class
- Not in source
Description
Source description
Installation of radon mitigation system. Sub-slab depressurization system with fan mounted on the roof.
Status
- Current status
- finaled
- Source status
- Signed-off
- Finaled
- Sep 29, 2020
- Expired
- Dec 19, 2020
Provenance
- First seen by PermitCore
- May 2, 2026 · 09:58 UTC
- Last seen
- May 12, 2026 · 00:08 UTC
- Last changed
- May 2, 2026 · 09:58 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
- Oct 1, 2020This permitMEP Mechanical HVAC · Finaled$20,000Obar Systems, INC
- Jan 16, 2019legacy_jobs:3078731Alteration Residential · Finaled$720,000
- Jan 16, 2019278107MEP Plumbing · IssuedBruche Mechanical CORP
- Dec 18, 20183297248Alteration Commercial · IssuedSuperb Property Mng'T
- Nov 16, 20181302502Alteration Commercial · Re-issuedSuperb Property Mng'T
- Oct 11, 2018194190996Construction Fence · Finaled$1,000Superb Property Mng'T
- Sep 21, 20183635833Alteration Commercial · IssuedSuper K Builders CORP
- Sep 20, 2018legacy_jobs:3024207Alteration Residential · Finaled$5,400
- Date not in sourcelegacy_jobs:2988970Alteration Commercial · Finaled
- Date not in sourcelegacy_jobs:2988967Alteration Commercial · Finaled
- Date not in sourcelegacy_jobs:2988958Alteration Commercial · Finaled
- Date not in sourcelegacy_jobs:3023441Alteration Commercial · Finaled
Full permit history at this parcel · as of Jul 9, 2026.
Other permits by Obar Systems, INC
Developer details
- Permit #
- 718111503|Mechanical Systems
- Canonical ID
- 1:718111503|Mechanical Systems
- Source permit ID
- 718111503|Mechanical Systems