2129 Knapp Street
BBL 3088220002Sheepshead Bay-Manhattan Beach-Gerritsen Beach · Brooklyn
Floors
1
Built
1956
Area
13.8ksf
Units
0
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Brick's analyst reads the complete dossier — the ownership network, the development math, the debt history — and answers in plain English.
Address
PLUTO · DOF parcel identity
- Property address
- 2129 KNAPP STREET
- Alternate address(es)
- 3137 Ave V2260-2284 Gerritsen Ave2131-2157 Knapp St
- Zip code
- 11229
- Neighborhood
- Sheepshead Bay-Manhattan Beach-Gerritsen Beach
- Borough
- Brooklyn
- Block & lot
- 08822-0002
Zoning & buildable
Lot 14,016 sf · R4
- Zoning district
- R4
- PLUTO building class
- K2
Development headroom detected — the FAR breakdown, max buildable envelope and unused-sf math are in the full report.
Sign in to see itOwnership
PLUTO · owner of record
BIG KNAPP, LLC
- Ownership form
- Other
- Legal structure
- LLC
- Last recorded sale
- None since 2000
Ownership history · 2 records since 2003 — the parties, amounts, and connected properties in the full report.
Sign in to see itTenancy & use
PLUTO units + DHCR rent-stabilization roll
0residential unitsnon-stabilized
- Residential sq. ft.
- 0
- Commercial sq. ft.
- 13,825
- PLUTO class
- K2
Lot
PLUTO · DOF parcel geometry
- Lot area
- 14,016 sf
- Dimensions
- 249.0 × 132.7 ft
- Position
- Mid-block · north side
- Front street
- AVE V
- D/F ratio
- 0.5 — shallow lot (atypical for NYC)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $1.4M
- Land value
- $175K
- $/sf (implied)
- $102
Debt history · 2 mortgages on record · refinance-window signal detected — lenders, amounts and maturity timing in the full report.
Sign in to see itCompliance
HPD & DOB · violations + complaints + jobs
Minor activity
0 open HPD violations · 0 open HPD complaints · 3 active DOB jobs
- HPD violations (24 months)
- 0
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 1
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 3
$380K in alteration permits over last 24 months
Provenance
Every datum on this page is sourced from public NYC + federal datasets, refreshed on the schedule below.
| Source | What it covers | Last refresh |
|---|---|---|
| PLUTO | NYC DCP · physical / zoning / ownership baseline | Jul 9, 2026 |
| ACRIS | NYC DOF · deed + mortgage history | Jul 9, 2026 |
| HPD | Housing Preservation & Development · violations + complaints | Jul 9, 2026 |
| DOB | Department of Buildings · violations + permits | Jul 9, 2026 |
| DHCR | Rent Stabilization roll (through 2024) | Jul 9, 2026 |
| LPC | Landmarks Preservation Commission · landmark status | not loaded |
| Footprint | NYC DoITT photogrammetric building polygons | not loaded |
Assembled at Jul 9, 2026. Discrepancies between sources reflect upstream-data quality, not assembly bugs — file in our quality tracker.