604 Flatbush Avenue

Owner: Robert Ainehsazan

Acquired: July 09, 2025, $2.7 million

Built: 1928

Renovated: 2008

SF: 4,087

Dwelling units: 2

No. of buildings: 1

Class: Primarily Two Family With Store or Office (S2)

Floors: 3

Transactions:

• Maria Bourne sold 604 Flatbush Avenue and 604A Flatbush Avenue, Prospect Lefferts Gardens, Brooklyn for $2.7 million to Robert Ainehsazan on July 09, 2025.

Development:

• Hertzl Benyamini filed new building job B01353092 for 14,079 sqft R-2 building with 22 apartments in Prospect Lefferts Gardens, Brooklyn, on April 09, 2026.

• Marie Alleyne filed major alteration job 310158691 for 7,809 sqft R-3 building with 4 apartments in Prospect Lefferts Gardens, Brooklyn, on July 01, 2008.

• Hugo Alvarado filed alteration job B01234928 for 30 sqft building with 2 apartments in Prospect Lefferts Gardens, Brooklyn, on June 05, 2025.

• Hpd Representative filed alteration job B00331110 for 1,000 sqft building with 3 apartments in Prospect Lefferts Gardens, Brooklyn, on March 12, 2020.

• Anthony Hamblin filed alteration job B00323326 for 400 sqft R-2 building with 2 apartments in Prospect Lefferts Gardens, Brooklyn, on March 06, 2020.

• Anthony Hamblin filed alteration job B00322905 for 400 sqft building with 2 apartments in Prospect Lefferts Gardens, Brooklyn, on March 06, 2020.

• Marie Alleyne filed alteration job 320009094 for J-3 building with 2 apartments in Prospect Lefferts Gardens, Brooklyn, on April 20, 2009.

Litigation:

• Maria Bourne on May 16, 2024, filed a $3.6 million bankruptcy 1-24-42068-ess for 604 Flatbush Avenue.

• NuBridge Commercial Lending filed a $3.6 million pre-foreclosure 533752/2022 on November 17, 2022, against Maria Bourne at 604 Flatbush Avenue.

Violations:

According to city public data, the properties have received one DOB violation, $9,800 in ECB penalties, and $11,350 in OATH penalties in the last year.