511 Montgomery Street, Brooklyn
Apartment building · 5 units · built c. 1925 · Block 1298, Lot 70.
Building permits
- Alteration, filed Jan 30, 2023, estimated cost $5K, described as “Installation of 300 psf sidewalk shed, overhead protection, and pipe scaffolding as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Nov 19, 2020, estimated cost $1K, described as “Structural filed in conjunction with alt i application 321596028. Vertical extension of 2 floors and horizontal extension. Reinforce existing structure.”
- Alteration, filed Sep 24, 2020, estimated cost $66K, described as “Mechanical filed in conjunction with alt i application 321596028. Scope of work includes heating, cooling, ventilation, ductwork and associated piping.”
- Alteration, filed Sep 9, 2020, estimated cost $71K, described as “Sprinkler filed in conjunction with alt 1 application 321596028”
- Alteration, filed Sep 9, 2020, estimated cost $237K, described as “Plumbing filed in conjunction with alt i application 321596028”
- Alteration, filed Feb 3, 2020, estimated cost $1K, described as “New construction fence in conjunction with NB application # 321596028 as per plans.”
Property taxes
- Assessment
- $431,550
- 2026–27 tax
- $15,156
- Market value (city estimate)
- $959,000
- Taxable value
- $121,845
- Assessed land
- $74,700
- Assessed improvements
- $356,850
Zoning
R6 (part of the lot is R5): floor area ratio 1.87 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 25, 2017: $1,550,000
Open-market sales since 2016, from the Department of Finance’s sales files.