# 565 6th Avenue, Brooklyn

Three-family · built c. 1899 · Block 1049, Lot 4.

On Umarelli: https://umarelli.org/nyc/3010490004/565-6-avenue

More construction in South Slope: https://umarelli.org/nyc/brooklyn/south-slope.md

## Building permits

- Major Renovation — Enlargement, filed Oct 26, 2026, estimated cost $603K, 1 unit added, 4 stories, described as “Alt-co application filed for horizontal and vertical enlargement.proposed 4-family 4-story w/cellar and penthouse residential building to meet new building requirements as per bc 28-101.4.5. Obtain a c of o.”
- Alteration, filed Nov 3, 2021, estimated cost $36K, described as “Install plumbing fixtures and related piping as per plans, in conjuction with application # B00619109”
- Alteration, filed Oct 27, 2021, estimated cost $218K, described as “Renovation of residential units at second and third floors as per plans.”

## Property taxes

- Assessment: $214,320
- 2026–27 tax: $4,456
- Market value (city estimate): $3,572,000
- Taxable value: $22,458
- Assessed land: $28,260
- Assessed improvements: $186,060

## Zoning

R6B: floor area ratio 1.38 built, 2.00 allowed by base zoning.

## Recent sales

- Dec 24, 2025: $2,549,000

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