# 509 5th Avenue, Manhattan

Condominium · built c. 1917 · Block 1277, Lot 7501.

On Umarelli: https://umarelli.org/nyc/1012777501/509-5-avenue

More construction in Midtown: https://umarelli.org/nyc/manhattan/midtown.md

Every lot on block 1277: https://umarelli.org/nyc/manhattan/1277.md

## Building permits

- Alteration, filed Oct 16, 2026, estimated cost $705K, described as “Interior renovation as shown on plans filed herewith.”
- Alteration, filed Sep 22, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of the NYC building code. Live load 300PSF.”
- Alteration, filed Sep 14, 2020, estimated cost $18K, described as “Provide minor sprinkler modifications to existing sprinkler system in conjunction with alteration # 123921756 as per plans filed no change in use occupancy or egress”
- Alteration, filed Jul 14, 2020, estimated cost $81K, described as “Provide plumbing fixtures in conjunction with bathroom renovation filed under alt# 140911020 no change in use occupancy or egress”

## Property taxes

- Assessment: $15,850,799
- 2026–27 tax: $950,505
- Market value (city estimate): $35,224,000
- Taxable value: $8,762,027
- Assessed land: $2,353,499
- Assessed improvements: $13,497,300
- Condo units with their own tax lots: 12

## Tax breaks

- Nonprofit exemption (house of worship), with no end date, about $454,644 a year below the full tax.
- Nonprofit exemption (nonprofit, use planned), with no end date, about $299,351 a year below the full tax.

## Zoning

C5-3: floor area ratio 8.67 built, 15.00 allowed by base zoning.

## 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