Mechanical Systems
2309 Avenue Z, Brooklyn, NY 11235
ClassificationMechanical SystemsCommercial HVAC
Reliable value$23,000
ContractorFirst Cnstrction Zone INC →
Permit record
Parties
- Contractor
- First Cnstrction Zone INC
- Applicant
- Yevgeniy Klinov
- Owner
- 2309 Ave Z LLC
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- 035014
Building & lot · PLUTO
- Building class
- O2
- Zoning district
- R4
- Lot area
- 2,000 sq ft
- Year built
- 1930
- Units (total)
- 1
- Units (residential)
- 0
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 3074410537
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 283 sq ft
- HVAC tonnage (est.)
- 4.5 tons
- Building type
- B
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 40.5889, -73.9461
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Mar 18, 2021
- Applied
- Not in source
- Work class
- Not in source
Description
Source description
NEW VRF HEAT PUMP HVAC SYSTEM. NO CHANGE IN USE, OCCUPANCY OR EGRESS
Status
- Current status
- finaled
- Source status
- Signed-off
- Finaled
- Mar 16, 2021
- Expired
- Oct 28, 2021
Provenance
- First seen by PermitCore
- May 2, 2026 · 09:49 UTC
- Last seen
- May 12, 2026 · 00:04 UTC
- Last changed
- May 2, 2026 · 09:49 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
- Mar 18, 2021This permitMEP Mechanical HVAC · Finaled$23,000First Cnstrction Zone INC
- Feb 19, 20213829959Other · IssuedFirst Cnstrction Zone INC
- Jan 26, 2021763229582MEP Plumbing · Finaled$8,000Gregg Ny Plumbing, INC
- Dec 14, 20203814045Other · IssuedFirst Cnstrction Zone INC
- Dec 14, 2020legacy_jobs:3267877Alteration Commercial · Finaled$69,400
- Date not usable in source712033MEP Plumbing · IssuedCn Plumbing INC.
- Date not usable in source547583MEP Plumbing · IssuedCn Plumbing INC.
- Date not usable in source631460Other · IssuedG. Fazio Const. CO. INC.
- Date not usable in source631451Construction Equipment · IssuedG. Fazio Const. CO. INC.
Full permit history at this parcel · as of Jul 18, 2026.
Other permits by First Cnstrction Zone INC
Developer details
- Permit #
- 529304076|Mechanical Systems
- Canonical ID
- 1:529304076|Mechanical Systems
- Source permit ID
- 529304076|Mechanical Systems