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Neighborhoods › Park Slope › Building 3020812

Enlargement to 4 stories, est. $498K

346 1 Street, Brooklyn 10065 · Permit Entire

JobB01320238 (8 filings: I1, P1, P3, S3, S2, P2, S1, S4) · Alteration CO
Categoryvertical enlargement
Estimated cost$498,095
Scale3 → 4 stories; 2 → 2 dwelling units; 3,351 sq ft
Work typesGeneral Construction
FiledDec 16, 2025
ProfessionalGarcia-Quismondo, Luismiguel Ra
BuildingBIN 3020812 · BBL 3009700027
Official recordDOB NOW job B01320238

DOB description

B01320238-I1: PROPOSE VERTICAL EXTENSION TO AN EXISTING 2-STORY + BASEMENT BY ADDING A 3RD STORY AND EXTENDING HORIZONTALLY INTO THE REAR YARD.
B01320238-P1: PROPOSE VERTICAL EXTENSION TO AN EXISTING 2-STORY + BASEMENT BY ADDING A 3RD STORY AND EXTENDING HORIZONTALLY INTO THE REAR YARD.
B01320238-P3: PROPOSE VERTICAL EXTENSION TO AN EXISTING 2-STORY + BASEMENT BY ADDING A 3RD STORY AND EXTENDING HORIZONTALLY INTO THE REAR YARD.
B01320238-S3: STRUCTURAL WORK HORIZONTAL AND VERTICAL EXTENSION, REINFORCE EXISTING WOOD JOISTS IN CONJUNCTION WITHALT-1 JOB #B01320238-I1
B01320238-S2: HORIZONTAL AND VERTICAL EXTENSION AND REINFORCE EXISTING WOOD JOISTS IN CONJUNCTION WITH ALT-1 JOB #B01320238-I1.
B01320238-P2: INSTALL NEW SPRINKLER SYSTEM (53 NEW HEADS). INSTALL NEW PLUMBING FIXTURES AT NEW ROUGHING (2 W/M, 1 F.D., 7 LAVS, 5 WC, 3 SHOWERS, 2 SINKS, 2 DW, 1 TUB). INSTALL NEW GAS PIPING (2 STOVES, 2 H.W.H.)
B01320238-S1: INSTALL NEW SPRINKLER SYSTEM (53 NEW HEADS). INSTALL NEW PLUMBING FIXTURES AT NEW ROUGHING (2 W/M, 1 F.D., 7 LAVS, 5 WC, 3 SHOWERS, 2 SINKS, 2 DW, 1 TUB). INSTALL NEW GAS PIPING (2 STOVES, 2 H.W.H.)
B01320238-S4: BASEMENT REAR EXTENSION FOOTING AND FOUNDATION WORK IN CONJUNCTION WITHALT-1 JOB #B01320238-I1

Status timeline

Work permits

PermitWorkStatusIssuedExpires
B01320238-S1-EW-SPPlumbingPermit IssuedApr 8, 2026Apr 9, 2027
B01320238-S3-STStructuralSigned-offMar 26, 2026Jul 24, 2026
B01320238-S4-FOFoundationSigned-offMar 22, 2026Jul 24, 2026
B01320238-I1-GCGeneral ConstructionPermit IssuedMar 11, 2026Apr 30, 2027
B01320238-S1-PLSprinklersPermit IssuedFeb 3, 2026Apr 7, 2027

Map

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