Neighborhoods › Park Slope › Building 3025333
Interior renovation: Installation of new mechanical system in association…, est. $66K
523 3 Street, Brooklyn 07110-125 · Approved
| Job | B01038461 (6 filings: A3, P9, P8, A1, A2, P7) · Alteration CO |
|---|---|
| Category | interior renovation |
| Estimated cost | $66,000 |
| Scale | 4 → 4 stories; 3 → 2 dwelling units; 4,089 sq ft |
| Work types | Mechanical |
| Filed | Aug 23, 2026 |
| Professional | Rjd Engineering Llc |
| Building | BIN 3025333 · BBL 3010780065 |
| Official record | DOB NOW job B01038461 |
DOB description
B01038461-A3: INSTALLATION OF NEW MECHANICAL SYSTEM IN ASSOCIATION WITH RENOVATION THROUGHOUT EXISTING 4-STORY RESIDENTIAL BUILDING. INSTALL NEW VRF HEAT PUMPS AND ASSOCIATED PIPING AND DUCTWORK. INSTALL NEW ERV VENTILATION SYSTEM.
B01038461-P9: INSTALLATION OF NEW MECHANICAL SYSTEM IN ASSOCIATION WITH RENOVATION THROUGHOUT EXISTING 4-STORY RESIDENTIAL BUILDING. INSTALL NEW VRF HEAT PUMPS AND ASSOCIATED PIPING AND DUCTWORK. INSTALL NEW ERV VENTILATION SYSTEM.
B01038461-P8: REMOVE ALL EXISTING PLUMBING & GAS FIXTURES ON 1ST, 2ND & 3RD FLOORS. PROVIDE NEW PLUMBING & GAS FIXTURES AS SHOWN ON PLANS. IN CONJUNCTION WITH ALTERATION B01038461-I1.
B01038461-A1: Structural & foundation work in conjunction with ALT/CO application. New framing, steel dunnage and lintels, concrete slab in cellar.
B01038461-A2: PROVIDE FIRE SPRINKLER SYSTEM THROUGHOUT TWO FAMILY RESIDENTIAL BUILDING IN CONJUNCTION WITH ALTERATION #B01038461-I1.
B01038461-P7: PROVIDE FIRE SPRINKLER SYSTEM THROUGHOUT TWO FAMILY RESIDENTIAL BUILDING IN CONJUNCTION WITH ALTERATION #B01038461-I1.
Status timeline
- Jan 5, 2026 — New job filed (Approved) B01038461-P7
- Jan 12, 2026 — Plans approved (Approved) B01038461-P7
- Feb 19, 2026 — New job filed (Approved) B01038461-P8
- Mar 17, 2026 — Plans approved (Approved) B01038461-P8
- Mar 26, 2026 — New job filed (Approved) B01038461-A1
- Mar 26, 2026 — New job filed (Approved) B01038461-A2
- Mar 31, 2026 — New job filed (Approved) B01038461-P9
- Apr 10, 2026 — Plans approved (Approved) B01038461-A2
- May 15, 2026 — Plans approved (Approved) B01038461-P9
- May 19, 2026 — Plans approved (Approved) B01038461-A1
- Aug 23, 2026 — New job filed (Approved) B01038461-A3
- Aug 26, 2026 — Plans approved (Approved) B01038461-A3
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| B01038461-S4-EW-SP | Sprinklers | Signed-off | Feb 17, 2026 | Feb 18, 2027 |
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