# 505 St Marks Avenue, Brooklyn

Apartment building · 147 units · built 2014 · Block 1149, Lot 72.

On Umarelli: https://umarelli.org/nyc/3011490072/505-st-marks-avenue

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

Every lot on block 1149: https://umarelli.org/nyc/brooklyn/1149.md

## Building permits

- Alteration, filed Oct 5, 2026, estimated cost $240K, described as “Install new waterproof membrane and concrete topping on Parking Deck. No change in egress, zoning, use, or occupancy.”

## Property taxes

- Assessment: $11,808,450
- 2026–27 tax: $213,826
- Market value (city estimate): $26,241,000
- Taxable value: $1,719,000
- Assessed land: $1,333,800
- Assessed improvements: $10,474,650

## Tax breaks

- 421-a exemption, through Jun 30, 2042, about $1,255,027 a year below the full tax.

## Zoning

R7A: floor area ratio 3.20 built, 4.00 allowed by base zoning.

## Flood zone

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

## Board and land use applications

- ST MARKS AVE DCC (City Planning P1992K0086): Completed, decided Jan 26, 1993. ACQUISITION OF A 1-STORY BLDG TO CONTINUE TO OPERATE A DAY\*CARE CENTER FOR 138 CHILDREN IN THE CROWN HEIGHTS URA

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