6323 12 Avenue
Dyker Heights, Brooklyn
Parcel ID (BBL): 3057390001
Owner: Talmud Torah D’Chasidei Gur
Acquired: January 05, 2021, $9 million
Debt: January 20, 2026, $18 million
Built: 1902
Renovated: 2010
SF: 66,491
Dwelling units: 0
No. of buildings: 1
Class: Convents (M4)
Floors: 3
Legacy BBLs: 3057390001
Transactions:
• Talmud Torah D’Chasidei Gur borrowed $18 million from BankUnited for 6301 12th Avenue, Dyker Heights, Brooklyn on January 20, 2026.
• Yaakov Klein borrowed $12.4 million from Bank of Princeton for 6301 12th Avenue, Brooklyn, Brooklyn on January 05, 2021.
• John Silviano sold 6301 12th Avenue, Brooklyn, Brooklyn for $9 million to Yaakov Klein on January 05, 2021.
Development:
• Guan Yu Li filed new building job 321830426 for 169,015 sqft R-2 building with 146 apartments in Dyker Heights, Brooklyn, on August 29, 2018.
• Guan Yu Li filed major alteration job B00656215 for 69,544 sqft B building with 0 apartments in Dyker Heights, Brooklyn, on January 04, 2022.
• Guan Yu Li filed major alteration job B00617103 for 69,544 sqft B building with 0 apartments in Dyker Heights, Brooklyn, on October 25, 2021.
• William Miranda filed alteration job B01071121 for 122 sqft building with 1 apartments in Dyker Heights, Brooklyn, on June 25, 2024.
• Guan Yu Li filed alteration job B00722089 for 69,544 sqft B building with 0 apartments in Dyker Heights, Brooklyn, on May 03, 2022.
• Guan Yu Li filed alteration job B00722092 for 14,000 sqft B building with 0 apartments in Dyker Heights, Brooklyn, on May 02, 2022.
• Guan Yu Li filed alteration job B00717601 for 140,000 sqft B building with 0 apartments in Dyker Heights, Brooklyn, on April 15, 2022.
• Guan Yu Li filed alteration job B00684766 for 1 sqft building with 0 apartments in Dyker Heights, Brooklyn, on February 23, 2022.
Violations:
According to city public data, the properties have received $1,050 in OATH penalties in the last year.