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Neighborhoods › Midtown South-Flatiron-Union Square › Building 1016278

Interior renovation: Mechanical work as per plans in conjunction with…, est. $14M

171 5 Avenue, Manhattan 10018 · Approved

JobM01011711 (7 filings: A7, A2, A3, A6, B3, A5, A9) · Alteration CO
Categoryinterior renovation
Estimated cost$13,700,000
Scale23 → 23 stories; 0 → 36 dwelling units; 203,746 sq ft
Work typesMechanical
FiledJun 22, 2026
ProfessionalCosentini Associates
BuildingBIN 1016278 · BBL 1008510001
Official recordDOB NOW job M01011711

DOB description

M01011711-A7: Mechanical work as per plans in conjunction with building renovation.
M01011711-A2: MPP# 235. Install new elevators and egress stairs in existing office building. Convert building to residential mixed use and obtain new Certificate of Occupancy.
M01011711-A3: Plumbing work as per plans.
M01011711-A6: Plumbing work as per plans.
M01011711-B3: Structural work as per plans.
M01011711-A5: Installation of sprinkler and standpipe system as per plans
M01011711-A9: Installation of sprinkler and standpipe system as per plans

Status timeline

Work permits

PermitWorkStatusIssuedExpires
M01011711-S3-PLPlumbingPermit IssuedMar 3, 2026Mar 4, 2027
M01011711-I1-GCGeneral ConstructionPermit IssuedFeb 10, 2026Dec 31, 2026
M01011711-S5-PMMProtection and Mechanical MethodsSigned-offJan 5, 2026Nov 1, 2026
M01011711-S1-STStructuralPermit IssuedDec 22, 2025Dec 23, 2026
M01011711-S4-EW-SPSprinklersPermit IssuedNov 5, 2025Nov 6, 2026
M01011711-S4-EW-SDSprinklersPermit IssuedNov 4, 2025Nov 5, 2026

Map

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