121 Sinclair Avenue, Staten Island
Two-family · built 2025 · Block 6236, Lot 58.
Building permits
- New Building, filed Sep 23, 2024, 1 story, described as “Proposed detached one car garage acessory to detached two family residence.”
- New Building — Residential, filed Sep 13, 2024, 2 units, 3 stories, described as “Proposed detached two family residence with accessory detached one car garage and two accessory off street parking spaces.”
- Alteration, filed Jun 26, 2025, estimated cost $63K, described as “Installation PV System on existing roof top. No changes to the use egress or occupancy.”
- Alteration, filed Aug 22, 2024, estimated cost $5K, described as “Proposed installation of temporary construction fence for the demolition of the existing residence at 127 sinclair avenue and for the construction of two new detached two family residences and two new detached garages.”
- Demolition, filed Jul 30, 2024, estimated cost $50K, described as “Demo detached one family residence with attached garage. on-site and off-site fill not to exceed 300 cubic yards.”
Property taxes
- Assessment
- $90,180
- 2026–27 tax
- $12,038
- Market value (city estimate)
- $1,503,000
- Taxable value
- $83,501
- Assessed land
- $18,000
- Assessed improvements
- $72,180
Tax breaks
- Solar abatement, through Jun 30, 2030, a $4,531 credit this tax year.
Zoning
R3X: floor area ratio 0.91 built, above the 0.75 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Apr 25, 2024: $725,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- South Richmond Zoning Relief (City Planning 2020R0189): Zoning text change, Completed, filed Apr 7, 2023, decided Nov 2, 2023. The New York City Department of City Planning (DCP) is proposing a Zoning Text Amendment to update the Special South Richmond Development District in portions of Community District 3 in the Borough of Staten Island.