# 478 Classon Avenue, Brooklyn

Four-family · built c. 1899 · Block 1984, Lot 65.

On Umarelli: https://umarelli.org/nyc/3019840065/478-classon-avenue

More construction in Clinton Hill: https://umarelli.org/nyc/brooklyn/clinton-hill.md

Every lot on block 1984: https://umarelli.org/nyc/brooklyn/1984.md

## Building permits

- Alteration, filed Sep 15, 2021, estimated cost $35K, described as “Replace rear side face bricks as per plans”

## Property taxes

- Assessment: $699,750
- 2026–27 tax: $2,147
- Market value (city estimate): $1,555,000
- Taxable value: $17,264
- Assessed land: $150,750
- Assessed improvements: $549,000

## Zoning

R6B: floor area ratio 1.89 built, 2.00 allowed by base zoning.

## Recent sales

- Sep 9, 2026: $2,100,000, 3,264 sq ft ($643 per sq ft)

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