# 542 5th Avenue, Brooklyn

Two-family with store · built c. 1925 · Block 1041, Lot 42.

On Umarelli: https://umarelli.org/nyc/3010410042/542-5-avenue

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

## Building permits

- Major Renovation — Enlargement, filed Sep 14, 2026, estimated cost $2.1M, 3 units added, 6 stories, described as “Proposed vertical extension from 3-story to a 6-story residential and commercial mixed-use building with cellar. Obtain new certificate of occupancy.”

## Property taxes

- Assessment: $345,840
- 2026–27 tax: $14,236
- Market value (city estimate): $5,764,000
- Taxable value: $71,741
- Assessed land: $25,200
- Assessed improvements: $320,640

## Zoning

C4-3A: floor area ratio 2.04 built, 3.00 allowed by base zoning.

## Recent sales

- Mar 11, 2022: $3,160,000

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
