# 646 Parkside Avenue, Brooklyn

Commercial · built c. 1930 · Block 5057, Lot 26.

On Umarelli: https://umarelli.org/nyc/3050570026/646-parkside-avenue

More construction in Flatbush: https://umarelli.org/nyc/brooklyn/flatbush.md

Every lot on block 5057: https://umarelli.org/nyc/brooklyn/5057.md

## Building permits

- Alteration, filed May 18, 2026, estimated cost $37K, described as “Install single story canopy at front of building as related to renovation of Lasante Health Center. No change in use, egress, or occupancy.”
- Alteration, filed Jan 9, 2025, estimated cost $3.5M, described as “Renovation of ground floor lobby through 5th floor as per plans as related to renovation of existing medical center. No change in use, egress, or occupancy.”
- Alteration, filed Apr 11, 2022, estimated cost $1K, described as “Application for installation of suspended scaffold filed herein. No changes in egress use or occupancy”
- Alteration, filed Jul 8, 2021, estimated cost $1K, described as “Installation of temporary overhead protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 8, 2021, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 8, 2021, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 8, 2021, estimated cost $1K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jun 17, 2020, estimated cost $1K, described as “Curb cut submitted in conjunction with alt type 1 construction”
- Alteration, filed Jun 17, 2020, estimated cost $1K, described as “Install curb cut as shown on plans in conjunction with at type 1 construction”
- Alteration, filed Jun 17, 2020, estimated cost $1K, described as “Install temporary construction fence in conjunction with alt type 1”
- Alteration, filed May 21, 2020, described as “Structural drawings submitted in conjunction with alt type 1 construction.”
- Alteration, filed May 4, 2020, estimated cost $144K, described as “Install mechanical equipment and related ductwork as shown on drawings submitted herewith.”
- Alteration, filed May 4, 2020, estimated cost $226K, described as “Install sprinkler heads and related piping and standpipe pipe and hose cabinets as shown on drawings filed herewith in conjunction with alt type 1: 321594529”
- Alteration, filed May 1, 2020, estimated cost $95K, described as “Install plumbing fixtures and related piping as shown on drawings filed herewith.”

## Property taxes

- Assessment: $2,097,000
- 2026–27 tax: $57,788
- Market value (city estimate): $4,660,000
- Taxable value: $2,097,000
- Assessed land: $263,700
- Assessed improvements: $1,833,300

## Tax breaks

- ICAP abatement, through Jun 30, 2050, a $169,694 credit this tax year.

## Zoning

M1-1: floor area ratio 3.24 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- May 7, 2025: $16,500,000

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