Neighborhoods › Midtown-Times Square › Building 1035711

Interior renovation: Interior alteration within existing tenant space on…, est. $285K

501 Madison Avenue, Manhattan 11576 · Permit Entire

DOB description

M01400485-I1: INTERIOR ALTERATION WITHIN EXISTING TENANT SPACE ON 10TH FLOOR IN EXISTING BUILDING: NEW NON-BEARING INTERIOR PARTITIONS, NEW INTERIOR FINISHES, NEW MILLWORK, NEW LIGHTING, NO CHANGE TO OCCUPANCY, GROUP AND USE.
M01400485-S5: INTERIOR ALTERATION WITHIN EXISTING TENANT SPACE ON 10TH FLOOR: NEW PLUMBING FIXTURES AND PIPING ROUTES, NEW PLUMBING FIXTURES CALCULATION. NO CHANGE TO OCCUPANCY, EGRESS OR USE.
M01400485-S1: INSTALL NEW DUCTWORK AND DIFFUSERS PER NEW LAYOUT. CONNECT NEW DUCTWORK TO EXISTING BUILDING HVAC SYSTEM. INSTALL NEW EXHAUST FAN AND DUCTWORK. NO CHANGE TO OCCUPANCY, EGRESS OR USE
M01400485-S3: MODIFY EXISTING SPRINKLER SYSTEM PER DENTAL OFFICE LAYOUT. NO CHANGE TO OCCUPANCY, GROUP AND USE.

Status timeline

• May 20, 2026 — New job filed (Permit Entire) M01400485-I1
• May 21, 2026 — Permit issued — work can start (General Construction) M01400485-I1
• May 22, 2026 — Permit issued — work can start (Permit Entire) M01400485-I1
• Jun 21, 2026 — New job filed (Permit Entire) M01400485-S1
• Jun 21, 2026 — New job filed (Permit Entire) M01400485-S3
• Jun 21, 2026 — New job filed (Permit Entire) M01400485-S5
• Jun 22, 2026 — Permit issued — work can start (Plumbing) M01400485-S5
• Jun 23, 2026 — Permit issued — work can start (Permit Entire) M01400485-S5
• Jul 9, 2026 — Permit issued — work can start (Mechanical Systems) M01400485-S1
• Jul 10, 2026 — Permit issued — work can start (Permit Entire) M01400485-S1
• Jul 12, 2026 — Permit issued — work can start (Sprinklers) M01400485-S3
• Jul 13, 2026 — Permit issued — work can start (Permit Entire) M01400485-S3

Work permits

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