305 Washington Avenue, Brooklyn
Condominium · 9 units · built c. 1880 · Block 1918, Lot 7501.
Building permits
- Alteration, filed Jul 2, 2025, estimated cost $75K, described as “Filing submitted to combine units 2 and 2A per tppn 3/97. Architectural modifications as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 8, 2019, estimated cost $24K, described as “Relocate 2 existing water closets, 2 existing lavatories, 1 existing shower pan, 1 existing bathtub. Add 1 dishwasher, 1 sink, 1 washing machine, 1 gas burner, and 1 gas dryer.”
Property taxes
- Assessment
- $2,066,849
- 2026–27 tax
- $29,740
- Market value (city estimate)
- $4,592,999
- Taxable value
- $264,222
- Assessed land
- $41,399
- Assessed improvements
- $2,025,450
- Condo units with their own tax lots
- 10
Tax breaks
- Co-op and condo abatement, with no end date, a $3,127 credit this tax year.
Zoning
R6B: floor area ratio 1.83 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 3, 2025: $675,000, Apt A2
- Jan 21, 2022: $570,000, Apt B1
- Mar 29, 2019: $1,100,000, Unit A
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Clinton Hill Historic District (Historic District). 12 Landmarks Preservation Commission permits are on file.
Board and land use applications
- Change to an earlier grant (Board of Standards and Appeals 1207-66-BZII): Change to an earlier grant, Granted, filed Dec 10, 2014, decided Jul 19, 2016. Extension of Term of a previously granted variance for the continued operation of a UG6 art supply and bookstore which expired July 5, 2012; Waiver of the Rules. R6 zoning district.
- Change to an earlier grant (Board of Standards and Appeals 1207-66-BZ): Change to an earlier grant, Granted, filed Oct 10, 2002, decided Jan 7, 2003. Proposed extension of the term of the variance and the proposed minor modifications of the artist supply & bookstore, Use Group 6, of providing additional sales area and accessory office space in lieu of a portion of the storage area at…