# 6009 17th Avenue, Brooklyn

Library · built 1954 · Block 5518, Lot 4.

On Umarelli: https://umarelli.org/nyc/3055180004/6009-17-avenue

More construction in Borough Park: https://umarelli.org/nyc/brooklyn/borough-park.md

Every lot on block 5518: https://umarelli.org/nyc/brooklyn/5518.md

## Building permits

- Alteration, filed Jul 9, 2025, estimated cost $448K, described as “Development of existing library yard into a new library garden as accessory space to the library. The design provides flexible program spaces, seatings, and enhanced plantings.No change in use, egress, or occupancy.”
- Alteration, filed Jun 26, 2025, estimated cost $121K, described as “Development of existing library yard into a new library garden as accessory space to the library. Regrading is required to ensure ADA accessibility, and a new entrance will be created at the library building. There is no change in use,…”
- Alteration, filed Jun 24, 2025, estimated cost $1.4M, described as “Development of existing library yard into a new library garden as accessory space to the library. No change in use, egress, or occupancy.”
- Alteration, filed Jun 17, 2025, estimated cost $68K, described as “Development of existing library yard into a new library garden as accessory space to the library. Drywells and stormwater convey pipes are included. Outdoor drinking fountain is provided per the client direction.”
- Alteration, filed Mar 5, 2024, estimated cost $9K, described as “Installation of 300PSF sidewalk shed and pipe scaffolding as per plans. All equipment shall comply with ch #33 of the NYC code 2022. No change in use, occupancy or egress under this application.”
- Alteration, filed Apr 12, 2021, estimated cost $18K, described as “Install 5 roof drains. Cut back and cap existing 4" storm piping from roof drains to storm leader. Install new 4" leader and connect to existing UDG piping at existing area drain. . No change to use egress or occupancy under this…”
- Alteration, filed Apr 12, 2021, estimated cost $153K, described as “Column repairs , reinforcement of sealed beam , reinforcement of existing spandrel beam, installation of guard rails into existing parapet. no change to use, egress, or occupancy”
- Alteration, filed Mar 11, 2021, estimated cost $38K, described as “Install new chimney liner as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 10, 2021, estimated cost $75K, described as “Replace gas burner on existing low pressure boiler. No change in use, egress or occupancy.”
- Alteration, filed Mar 10, 2021, estimated cost $1K, described as “Connect to existing gas piping for replacement gas burner on existing low pressure boiler. No change in use, egress or occupancy.”
- Alteration, filed Jun 19, 2020, estimated cost $98K, described as “Install new gas piping from cellar to roof top HVAC units.”
- Alteration, filed May 11, 2020, estimated cost $573K, described as “Replacement of existing rooftop HVAC and split system air ac units and all new controls.”

## Property taxes

- Assessment: $1,657,800
- Market value (city estimate): $3,684,000
- Taxable value: $0
- Assessed land: $323,550
- Assessed improvements: $1,334,250

## Zoning

R5: floor area ratio 1.43 built, 1.50 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