# 313 Troy Avenue, Brooklyn

Two-family · built c. 1901 · Block 1401, Lot 8.

On Umarelli: https://umarelli.org/nyc/3014010008/313-troy-avenue

More construction in Crown Heights: https://umarelli.org/nyc/brooklyn/crown-heights.md

Every lot on block 1401: https://umarelli.org/nyc/brooklyn/1401.md

## Building permits

- Alteration, filed Oct 21, 2025, estimated cost $47K, described as “Installation of solar panels on existing roof. No change in use, occupancy, or egress. No change in bulk”
- Alteration, filed Apr 10, 2024, estimated cost $154K, described as “Interior renovation of 2 story with basement building”
- Alteration, filed Apr 10, 2024, estimated cost $4K, described as “Plumbing work for existing two family building”
- Alteration, filed Apr 8, 2024, estimated cost $187K, described as “Interior renovation of 2 story with basement building”

## Property taxes

- Assessment: $94,500
- 2026–27 tax: $4,325
- Market value (city estimate): $1,575,000
- Taxable value: $21,796
- Assessed land: $21,000
- Assessed improvements: $73,500

## Zoning

R4: floor area ratio 1.68 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Jun 16, 2025: $2,285,000
- Apr 1, 2024: $1,275,000
- Dec 20, 2023: $425,000

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