673 Madison Avenue
673 MADISON AVENUE, New York, NY, USA in Upper East Side, Manhattan is a property zoned C5-1. The building spans built in 1871, 9,320 gross square feet, 5 floors, 12 units. It last traded for $36M in September 2024, and is held by LF 2024 RETAIL LLC. Below, Crezly Research breaks down the building's ownership, debt profile, and recent nearby sales from New York City public records.
The building
| Address | 673 MADISON AVENUE, New York, NY, USA |
| BBL (Borough-Block-Lot) | 1-1376-21 |
| Zoning district | C5-1 |
| Year built | 1871 |
| Gross floor area | 9,320 sq ft |
| Lot area | 2,125 sq ft |
| Total units | 12 |
| Floors | 5 |
| Built FAR | 4.39 |
| Assessed value (total) | $6.34M |
Who owns it
LF 2024 RETAIL LLC
Last recorded sale $36M (Sep 2024) · Estimated outstanding debt $23.4M
Owner contact & lender details
Verified principal contact, phone, email and lender exposure for this owner are included with Crezly Starter ($49.95/mo) and above.
Unlock owner contacts →Recent nearby sales
Recorded deeds on and around this block (ACRIS).
| Address | Recorded | Price |
|---|---|---|
| 520 PARK AVENUE | 2026-03-24 | $11.6M |
| 530 PARK AVENUE | 2026-03-18 | $1.51M |
| 690 MADISON AVENUE | 2026-03-03 | $54.5M |
| 8 EAST 62ND STREET | 2026-02-26 | $55M |
| 36 EAST 63RD STREET | 2026-02-17 | $46.75M |
Explore the data
- View this building on the Crezly property map →
- Upper East Side market data, sales & top owners →
- Owner debt, deeds, liens & violations for every NYC property →
- How to find who owns a NYC building →
- How to find & contact a NYC property owner →
- More NYC commercial real-estate news →
See the full ownership & debt picture
Deeds, mortgages, liens, violations and verified owner contacts on every NYC property.
Open the Crezly Data Suite →
Compiled by Crezly Research from New York City public records (ACRIS, PLUTO, DOB/HPD).
Figures are estimates from public data and may not reflect the most recent transactions. Not legal, financial or investment advice.