5904 17th Avenue, Brooklyn
House of worship · built c. 1931 · Block 5510, Lot 43.
Building permits
- Alteration, filed Apr 22, 2024, estimated cost $163K, described as “Extend existing synagogue at rear . Convert 2nd floor use to philanthropic use group 4”
Property taxes
- Assessment
- $40,253
- 2026–27 tax
- $1,769
- Market value (city estimate)
- $89,450
- Taxable value
- $16,306
- Assessed land
- $2,250
- Assessed improvements
- $38,003
Tax breaks
- Nonprofit exemption (house of worship), with no end date, about $2,393 a year below the full tax.
Zoning
R5: floor area ratio 2.00 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Board and land use applications
- Variance or special permit (Board of Standards and Appeals 2025-46-BZ): Variance or special permit, Denied, filed Oct 15, 2025, decided Sep 14, 2026. Variance (§72-21) to permit the enlargement of a Use Group 111B synagogue and the construction of a Rabbi's apartment for Congregation Or Lashomaim, contrary to bulk regulations. R5 zoning district.