523 St Johns Place, Brooklyn

Name: 523 St Johns Place
Address: 523 St Johns Place, Brooklyn, NY, US

Parochial school · built 1990 · Block 1175, Lot 1.

Building permits

Alteration, filed Aug 12, 2026, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
Alteration, filed Aug 7, 2026, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
Alteration, filed Feb 12, 2026, estimated cost $1K, described as “Proposed 8 ft high temporary construction fence.”
Alteration, filed Jan 19, 2026, estimated cost $10K, described as “Proposed vertical enlargement of existing 4 story building. Building extension consists of coldformed steel structure with new steel framing for new elevator and stair shaft. New lintel installation throughout the existing buildings for…”
Major Renovation — Conversion, filed Feb 13, 2025, estimated cost $4.9M, 42 units added, 7 stories, described as “Proposed change of use of existing u.g. Iii school to u.g. Ii residences by utilizing art. I chapter 5 of NYC zoning resolution and a vertically enlargement. Proposed 27 converted dwelling units plus 15 new dwelling units, a total of 42…”
Alteration, filed Apr 5, 2018, described as “Installation of new steel faced Curb Cut 13'-0" wide with Splays on Sterling Place.”
Alteration, filed Feb 12, 2018, described as “Installation of new steel faced Curb Cut 15'-0" wide with splays on St Johns Pl. Application filed in conjunction with ALT 1 # 320260524 and BPP # 321715471.”

Nonprofit exemption (religious school), with no end date, about $559,871 a year below the full tax.

R7A (part of the lot is R6A): floor area ratio 1.57 built, 4.00 allowed by base zoning.

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