61 West 70 Street

Owner: Golden Arc

Acquired: December 29, 2021, $6.1 million

Debt: August 16, 2023, $7.2 million

Built: 1891

Renovated: 1910

SF: 6,300

Dwelling units: 10

No. of buildings: 1

Class: Converted Dwelling or Rooming House (C5)

Floors: 4

Transactions:

• Golden Arc and Arc Companies borrowed $7.2 million from Arc Companies for 61 West 70th Street and 59 West 70th Street, Lincoln Square, Manhattan on August 16, 2023.

• Joel I. Ritz sold 61 West 70th Street, Upper West Side, Manhattan for $6.1 million to Golden Arc on December 29, 2021.

Development:

• Saar Avnery filed major alteration job 124057616 for 7,458 sqft R-2 building with 7 apartments in Lincoln Square, Manhattan, on March 23, 2026.

• Yonit Tzadok filed major alteration job M00773344 for 1,333 sqft R-2 building with 7 apartments in Lincoln Square, Manhattan, on July 15, 2022.

• Saar Avnery filed alteration job M01284197 for 20 sqft R-2 building with 7 apartments in Lincoln Square, Manhattan, on September 12, 2025.

• Lucio Gil Rumaldo filed alteration job M00925764 for 900 sqft building with 10 apartments in Manhattan, on August 28, 2023.

• Lucio Gil Rumaldo filed alteration job M00925760 for 250 sqft building with 10 apartments in Manhattan, on August 28, 2023.

• Yonit Tzadok filed alteration job M08020837 for 220 sqft RES building with 5 apartments in Lincoln Square, Manhattan, on October 18, 2022.

Violations:

According to city public data, the properties have received $935 in OATH penalties in the last year.