# 405 Marcy Avenue, Brooklyn

Condominium · built 1999 · Block 2241, Lot 7536.

On Umarelli: https://umarelli.org/nyc/3022417536/405-marcy-avenue

More construction in Williamsburg: https://umarelli.org/nyc/brooklyn/williamsburg.md

Every lot on block 2241: https://umarelli.org/nyc/brooklyn/2241.md

## Building permits

- Alteration, filed Aug 18, 2025, estimated cost $4K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 18, 2025, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 8, 2025, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 12, 2024, estimated cost $456K, described as “Application filed herewith to vertically enlarge and convert an existing four story building into a four story + penthouse two family building”

## Property taxes

- 2026–27 tax: $34,071
- Market value (city estimate): $1,448,000
- Taxable value: $273,902
- Condo units with their own tax lots: 2

## Zoning

R6A: floor area ratio 3.20 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.

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