# 490 Classon Avenue, Brooklyn

Two-family · built c. 1899 · Block 1984, Lot 70.

On Umarelli: https://umarelli.org/nyc/3019840070/490-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

No building permits on file for this lot.

## Property taxes

- Assessment: $68,640
- 2026–27 tax: $7,198
- Market value (city estimate): $1,144,000
- Taxable value: $36,274
- Assessed land: $19,800
- Assessed improvements: $48,840

## Zoning

R6B: floor area ratio 0.72 built, 2.00 allowed by base zoning.

## Recent sales

- Sep 10, 2026: $2,975,000, 1,700 sq ft ($1,750 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