256 Mason Avenue
BBL 5033550050Grasmere-Arrochar-South Beach-Dongan Hills · Staten Island
Floors
3
Built
1986
Area
77.5ksf
Units
0
Ask Brick about this building
AI answers · grounded in the full record
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
- 256 MASON AVENUE
- Alternate address(es)
- 256 Rear Mason Ave
- Zip code
- 10305
- Neighborhood
- Grasmere-Arrochar-South Beach-Dongan Hills
- Borough
- Staten Island
- Block & lot
- 03355-0050
Zoning & buildable
Lot 56,100 sf · R3-1
- Zoning district
- R3-1
- PLUTO building class
- O7
FAR breakdown & buildable envelope — residential, commercial and community-facility headroom math in the full report.
Sign in to see itOwnership
PLUTO · owner of record
STATEN ISLAND UNIVERSITY HOSPITAL
- Ownership form
- Other
- Last recorded sale
- None since 2000
Tenancy & use
PLUTO units + DHCR rent-stabilization roll
0residential unitsnon-stabilized
- Residential sq. ft.
- 0
- Commercial sq. ft.
- 77,502
- PLUTO class
- O7
Lot
PLUTO · DOF parcel geometry
- Lot area
- 56,100 sf
- Dimensions
- 204.0 × 275.0 ft
- Position
- Mid-block · east side
- Front street
- MASON AVE
- D/F ratio
- 1.3 — shallow lot (atypical for NYC)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $23.9M
- Land value
- $1.0M
- Exempt
- $22.7M($1.2M taxable)
- $/sf (implied)
- $308
Compliance
HPD & DOB · violations + complaints + jobs
Minor activity
0 open HPD violations · 0 open HPD complaints · 8 active DOB jobs
- HPD violations (24 months)
- 0
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 0
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 8
$5.7M 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.