637 Madison Avenue
BBL 1013740021Upper East Side-Carnegie Hill · Manhattan
Floors
19
Built
1958
Area
149.9ksf
Units
0
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AI answers · grounded in the full record
Brick's analyst reads the complete dossier — the ownership network, the development math, the debt history — and answers in plain English.
Address
PLUTO · DOF parcel identity
- Property address
- 637 MADISON AVENUE
- Alternate address(es)
- 35-39 East 59 St633-635 Madison Ave639-643 Madison Ave
- Zip code
- 10022
- Neighborhood
- Upper East Side-Carnegie Hill
- Borough
- Manhattan
- Block & lot
- 01374-0021
Zoning & buildable
Lot 9,087 sf · C5-3
- Zoning district
- C5-3
- Special district
- MiD
- PLUTO building class
- O6
Special District MiD — district-specific bulk and use rules may override the base FAR analysis.
FAR breakdown & buildable envelope — residential, commercial and community-facility headroom math in the full report.
Sign in to see itOwnership
PLUTO · owner of record
635 MADISON FEE PROPERTY OWNER LLC
- Ownership form
- Other
- Legal structure
- LLC
- Last recorded sale
- 8 yrs ago (Jun 2018)
Ownership history · 11 records since 2004 — the parties, amounts, and connected properties in the full report.
Sign in to see itTenancy & use
PLUTO units + DHCR rent-stabilization roll
0residential unitsnon-stabilized
- Residential sq. ft.
- 0
- Commercial sq. ft.
- 149,881
- PLUTO class
- O6
Lot
PLUTO · DOF parcel geometry
- Lot area
- 9,087 sf
- Dimensions
- 100.4 × 90.5 ft
- Position
- Mid-block · north side
- Front street
- E 59 ST
- D/F ratio
- 0.9 — shallow lot (atypical for NYC)
Financial
NYC Department of Finance · assessment + last recorded sale
- Total assessment
- $48.2M
- Land value
- $13.7M
- $/sf (implied)
- $321
Last recorded sale
$153,000,000 · Jun 2018
Debt history · 5 mortgages on record · refinance-window signal detected — lenders, amounts and maturity timing in the full report.
Sign in to see itCompliance
HPD & DOB · violations + complaints + jobs
Minor activity
0 open HPD violations · 0 open HPD complaints · 3 active DOB jobs
- HPD violations (24 months)
- 0
- DOB violations (24 months)
- 0
- HPD complaints (24 months)
- 0
- HPD complaints (open)
- 0
- DOB jobs (24 months)
- 4
$385K in alteration permits over last 24 months
Provenance
Every datum on this page is sourced from public NYC + federal datasets, refreshed on the schedule below.
| Source | What it covers | Last refresh |
|---|---|---|
| PLUTO | NYC DCP · physical / zoning / ownership baseline | Jul 9, 2026 |
| ACRIS | NYC DOF · deed + mortgage history | Jul 9, 2026 |
| HPD | Housing Preservation & Development · violations + complaints | Jul 9, 2026 |
| DOB | Department of Buildings · violations + permits | Jul 9, 2026 |
| DHCR | Rent Stabilization roll (through 2024) | Jul 9, 2026 |
| LPC | Landmarks Preservation Commission · landmark status | not loaded |
| Footprint | NYC DoITT photogrammetric building polygons | not loaded |
Assembled at Jul 9, 2026. Discrepancies between sources reflect upstream-data quality, not assembly bugs — file in our quality tracker.