# 70 Prospect Park West, Brooklyn

Apartment building · 30 units · built c. 1920 · Block 1079, Lot 40.

On Umarelli: https://umarelli.org/nyc/3010790040/70-prospect-park-west

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 1079: https://umarelli.org/nyc/brooklyn/1079.md

## Building permits

- Alteration, filed Sep 11, 2025, estimated cost $54K, described as “Interior renovation of existing apartment #5C. No change of use, egress or occupancy.”
- Alteration, filed Jan 27, 2025, estimated cost $45K, described as “Installation of new mini split systems”
- Alteration, filed Jan 13, 2025, estimated cost $20K, described as “New plumbing fixtures on existing rough-in”
- Alteration, filed Nov 22, 2024, estimated cost $50K, described as “Interior apartment renovations”
- Alteration, filed May 17, 2023, estimated cost $30K, described as “Installation of Mechanical Systems”
- Alteration, filed May 17, 2023, estimated cost $15K, described as “Installation of Plumbing Fixtures”
- Alteration, filed Apr 27, 2023, estimated cost $100K, described as “Interior apartment renovations. No change to use, egress or occupancy”
- Alteration, filed Aug 3, 2022, estimated cost $30K, described as “Installation of HVAC system.”
- Alteration, filed Aug 3, 2022, estimated cost $15K, described as “Installation of plumbing system.”
- Alteration, filed May 16, 2022, estimated cost $251K, described as “Apartment interior renovation to combine units 5E and 6E as per tppn 3/97. No change to use,egress, or occupancy. Mechanical and plumbing work will be filed separately. Building will be occupied during construction. No change to use egress…”
- Alteration, filed Apr 5, 2022, estimated cost $15K, described as “Install new lintel overnew masonry opening. No change of use, egress or occupancy.”
- Alteration, filed Oct 23, 2020, estimated cost $20K, described as “Plumbing work in conjunction with apartment renovation”
- Alteration, filed Sep 28, 2020, estimated cost $15K, described as “Mechanical work in conjunction with apartment renovation of #2D and 2E. No change to use, egress or occupancy.”
- Alteration, filed Aug 24, 2020, estimated cost $20K, described as “Plumbing wok in conjunction with APPLICATION#340752572”

## Property taxes

- Assessment: $3,596,400
- 2026–27 tax: $359,150
- Market value (city estimate): $7,992,000
- Taxable value: $2,887,290
- Assessed land: $334,800
- Assessed improvements: $3,261,600

## Zoning

R7A: floor area ratio 3.94 built, 4.00 allowed by base zoning.

## Recent sales

- Mar 19, 2021: $15,000,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology