Neighborhoods › Upper East Side-Carnegie Hill › Building 1041234
New 14-story building, 12 units, est. $12M
809 Madison Avenue, Manhattan 10018 · Permit Entire
| Job | M01262427 (9 filings: I1, S2, S3, S4, P1, S1, P2, S6, S7) · ALT-CO - New Building with Existing Elements to Remain |
|---|---|
| Category | new building |
| Estimated cost | $11,981,218 |
| Scale | 13 → 14 stories; 33 → 12 dwelling units; 55,667 sq ft |
| Work types | General Construction |
| Filed | Oct 29, 2025 |
| Professional | Slce Architects |
| Building | BIN 1041234 · BBL 1013820049 |
| Official record | DOB NOW job M01262427 |
DOB description
M01262427-I1: DevHUB Consultation 7.18.2025 @2pm. Application filed to enlarge building horizontally and vertically.
M01262427-S2: DevHUB Consultation 7.18.2025 @2pm. Application filed for structural work associated with horizontal and vertical enlargement.
M01262427-S3: DevHUB Consultation 7.18.2025 @2pm. Application filed for mechanical work associated with horizontal and vertical enlargement.
M01262427-S4: Plumbing work in conjunction with Alt CO enlargement as per plans.
M01262427-P1: DevHUB Consultation 7.18.2025 @2pm. Application filed for foundation work associated with horizontal and vertical enlargement.
M01262427-S1: DevHUB Consultation 7.18.2025 @2pm. Application filed for foundation work associated with horizontal and vertical enlargement.
M01262427-P2: DevHUB Consultation 7.18.2025. Means and methods associated with partial demolition as per plans.
M01262427-S6: DevHUB Consultation 7.18.2025. Means and methods associated with partial demolition as per plans.
M01262427-S7: Proposed temporary installation of contractor sheds/ shanties at 2nd floor as per BC 3303.16 to be used as temporary offices during construction of New Building filed under M01262427-I. No change in use, egress and/or occupancy with this application
Status timeline
- Oct 29, 2025 — New job filed (Permit Entire) M01262427-I1
- Nov 16, 2025 — New job filed (Permit Entire) M01262427-S1
- Nov 16, 2025 — New job filed (Permit Entire) M01262427-S2
- Feb 12, 2026 — New job filed (Permit Entire) M01262427-S3
- Feb 12, 2026 — New job filed (Permit Entire) M01262427-S4
- Mar 9, 2026 — New job filed (Permit Entire) M01262427-S6
- Sep 1, 2026 — New job filed (Permit Entire) M01262427-S7
- Sep 17, 2026 — Permit issued — work can start (General Construction) M01262427-I1
- Sep 20, 2026 — Permit issued — work can start (Foundation) M01262427-S1
- Sep 20, 2026 — Permit issued — work can start (Structural) M01262427-S2
- Sep 20, 2026 — Permit issued — work can start (Structural) M01262427-S6
- Sep 21, 2026 — Permit issued — work can start (Plumbing) M01262427-S4
- Sep 22, 2026 — Permit issued — work can start (Permit Entire) M01262427-S4
- Sep 29, 2026 — New job filed (Approved) M01262427-P1
- Oct 4, 2026 — Permit issued — work can start (Mechanical Systems) M01262427-S3
- Oct 5, 2026 — Plans approved (Approved) M01262427-P1
- Oct 7, 2026 — Permit issued — work can start (Permit Entire) M01262427-I1
- Oct 7, 2026 — Permit issued — work can start (Protection and Mechanical Methods) M01262427-S7
- Oct 8, 2026 — Permit issued — work can start (Permit Entire) M01262427-S3
- Oct 8, 2026 — Permit issued — work can start (Permit Entire) M01262427-S6
- Oct 8, 2026 — Permit issued — work can start (Permit Entire) M01262427-S7
- Oct 8, 2026 — Permit issued — work can start (Permit Entire) M01262427-S2
- Oct 9, 2026 — Permit issued — work can start (Permit Entire) M01262427-S1
- Oct 13, 2026 — New job filed (Chief Plan Examiner/ Assistant Chief Plan Examiner Review) M01262427-P2
Work permits
| Permit | Work | Status | Issued | Expires |
|---|---|---|---|---|
| M01262427-S7-PMM | Protection and Mechanical Methods | Permit Issued | Oct 7, 2026 | Nov 4, 2026 |
| M01262427-S3-MS | Mechanical Systems | Permit Issued | Oct 4, 2026 | Nov 4, 2026 |
| M01262427-S4-PL | Plumbing | Permit Issued | Sep 21, 2026 | Mar 11, 2027 |
| M01262427-S1-FO | Foundation | Permit Issued | Sep 20, 2026 | Nov 4, 2026 |
| M01262427-S2-ST | Structural | Permit Issued | Sep 20, 2026 | Nov 4, 2026 |
| M01262427-S6-ST | Structural | Permit Issued | Sep 20, 2026 | Nov 4, 2026 |
| M01262427-I1-GC | General Construction | Permit Issued | Sep 17, 2026 | Nov 4, 2026 |
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