319 West 99 Street

Owner: Lightstone Group

Acquired: May 20, 2020, $18.5 million

Debt: May 07, 2026, $19.2 million

Built: 1911

SF: 47,851

Dwelling units: 34

No. of buildings: 1

Class: Fireproof (Standard Construction Without Stores) (D3)

Floors: 8

HPD Ownership Registration Information

Last registered: 2025-09-25 (expires 2026-09-01)

Transactions:

• Lightstone Group borrowed $19.2 million from JLL for 317 West 99th Street, Upper West Side, Manhattan on May 07, 2026.

• Lightstone Group borrowed $10 million from Sofia Einy for 317 West 99th Street, the Upper West Side, Manhattan on May 20, 2020.

• Sofia Einy sold 317 West 99th Street, the Upper West Side, Manhattan for $18.5 million to Lightstone Group on May 20, 2020.

Development:

• Jacob Eisenstein filed major alteration job M00479929 for 40,801 sqft RES building with 34 apartments in Upper West Side, Manhattan, on March 12, 2021.

• Jacob Eisenstein filed alteration job M00674423 for 200 sqft RES building with 34 apartments in Upper West Side, Manhattan, on March 29, 2022.

• Jacob Eisenstein filed alteration job M00571573 for 400 sqft RES building with 34 apartments in Upper West Side, Manhattan, on November 08, 2021.

• Jacob Eisenstein filed alteration job 140948205 for RES building with 34 apartments in Upper West Side, Manhattan, on September 02, 2020.

• Narinder Kaur filed alteration job M00185207 for building with 34 apartments in Upper West Side, Manhattan, on June 25, 2019.

• Uzi Einy filed alteration job 123900369 for RES building with 34 apartments in Upper West Side, Manhattan, on May 09, 2019.

Violations:

According to city public data, the properties have received $625 in ECB penalties, eight housing violations, and $775 in OATH penalties in the last year.

Latest Stories:

• Lightstone Group pays $37M for UWS multifamily buildings (May 21, 2020)

• Lightstone Group borrows $20M in purchase money for UWS multifamily acquisition (May 21, 2020)