# 451 Clinton Avenue, Brooklyn

Co-op · 31 units · built c. 1930 · Block 1961, Lot 6.

On Umarelli: https://umarelli.org/nyc/3019610006/442-waverly-avenue

More construction in Clinton Hill: https://umarelli.org/nyc/brooklyn/clinton-hill.md

Every lot on block 1961: https://umarelli.org/nyc/brooklyn/1961.md

## Building permits

- New Building, filed Nov 8, 2023, 1 story, described as “Proposed 1 Story (5) Car Garage and Roof Deck”
- Alteration, filed Sep 17, 2026, estimated cost $6K, described as “Installation of the temporary fence at 442 waverly avenue, brooklyn, ny 11238 as indicated on plans. There will be no change in the use, egress, or occupancy under this application.”
- Alteration, filed Jun 6, 2025, described as “Suspended Scaffold Installation For Facade Restoration And Inspection”
- Alteration, filed Mar 12, 2025, 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 2022 the NYC building code. Live load 300PSF.”
- Demolition, filed Nov 24, 2023, estimated cost $45K, described as “Full Demolition of Five-Car Brick Garage”
- Alteration, filed Nov 10, 2023, estimated cost $3K, described as “Temporary 8'-0" high construction fence”
- Alteration, filed Feb 28, 2022, estimated cost $110K, described as “Interior renovation of an existing aprarment as per mark. No change of use, occupancy or egres. Plumbing work filed under job\_B00676768.”
- Alteration, filed Feb 28, 2022, estimated cost $12K, described as “Plumbing job as per mark, no change of use, occupancy or egress. Interior renovation job filed under job\_B00676216”
- Alteration, filed Aug 12, 2021, estimated cost $85K, described as “Interior renovation of apt 5C. Filed in conjunction with pl application #B00573341 . No change in use, egress or occupancy.”
- Alteration, filed Aug 12, 2021, estimated cost $16K, described as “Interior renovations to apt 5C. Filed in conjunction with DOB JOB#B00573325. No change in use, egress or occupancy.”
- Alteration, filed Oct 9, 2019, estimated cost $20K, described as “Plumbing work as shown on plans.”
- Alteration, filed Aug 22, 2019, estimated cost $8K, described as “Interior renovation to apt 1B. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $1,674,900
- 2026–27 tax: $142,231
- Market value (city estimate): $3,722,000
- Taxable value: $1,428,710
- Assessed land: $56,700
- Assessed improvements: $1,618,200

## Tax breaks

- Co-op and condo abatement, with no end date, a $35,831 credit this tax year.

## Zoning

R6B: floor area ratio 3.28 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Aug 27, 2025: $485,000
- Jan 17, 2025: $870,000
- Oct 25, 2023: $1,350,000
- Jul 24, 2023: $1,170,000
- Jul 20, 2023: $800,000
- Oct 14, 2022: $699,000
- Jan 19, 2022: $861,329
- Jan 19, 2022: $655,000
- Oct 27, 2021: $655,000
- Jun 9, 2021: $610,000

The 10 most recent of 26 open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Landmarks

Part of Clinton Hill Historic District (Historic District). 27 Landmarks Preservation Commission permits are on file.

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