63 4 Avenue
Park Slope, Brooklyn
Parcel ID (BBL): 3009320007
Owner: Joel Schwartz
Acquired: June 17, 2021, $7.4 million
Debt: September 13, 2024, $21 million
Built: 2024
SF: 22,705
Dwelling units: 30
No. of buildings: 1
Class: Semi-Fireproof With Stores (D7)
Legacy BBLs: 3009320007.00000000
HPD Ownership Registration Information
Last registered: 2025-07-23 (expires 2026-09-01)
Charles Schwartz
Head Officer
836 Dekalb Ave Brooklyn, NY, 11221
63 4Th Ave Brooklyn Llc
Corporate Owner
836 Dekalb Ave Brooklyn, NY, 11221
Charles Schwartz
Officer
836 Dekalb Ave Commer Brooklyn, NY, 11221
Charles Schwartz
Agent
836 Dekalb Ave Commer Brooklyn, NY, 11221
Charles Schwartz
Shareholder
836 Dekalb Ave Commer Brooklyn, NY, 11221
Transactions:
• Joel Schwartz borrowed $21 million from Bank of Montreal for 65 4th Avenue, Park Slope, Brooklyn on September 13, 2024.
• Joel Schwartz borrowed $14.2 million from S3 Capital for 65 4th Avenue and 63 4th Avenue, Park Slope, Brooklyn on January 24, 2023.
• Treff & Lowy PLLC on January 09, 2023 bought a loan with an original principal of $4.9 million from James McGown, signed by James McGown, secured by 65 4th Avenue and 63 4th Avenue, Park Slope, Brooklyn, when owned by Joel Schwartz.
• James McGown sold 65 4th Avenue and 63 4th Avenue, Park Slope, Brooklyn for $7.4 million to Joel Schwartz on June 17, 2021.
Development:
• Yisroel Greenfeld filed new building job 321592059 for 20,943 sqft R-2 building with 30 apartments in Park Slope, Brooklyn, on June 11, 2020.
• James Mcgown filed major alteration job 320029875 for 6,800 sqft R-2 building with 3 apartments in Park Slope, Brooklyn, on May 27, 2009.
• James Mcgown filed major alteration job 310084431 for COM building in Park Slope, Brooklyn, on January 31, 2008.
• Jerome Zwick filed alteration job B00937225 for 720 sqft building with 0 apartments in Park Slope, Brooklyn, on September 21, 2023.
• Yisroel Greenfeld filed alteration job B00929114 for 3,200 sqft building with 0 apartments in Park Slope, Brooklyn, on September 15, 2023.
• Yisroel Greenfeld filed alteration job B00899367 for 1,800 sqft building with 30 apartments in Brooklyn, on August 30, 2023.
• Yisroel Greenfeld filed alteration job B00828996 for 24,904 sqft R-2 building with 30 apartments in Park Slope, Brooklyn, on February 16, 2023.
• Yisroel Greenfeld filed alteration job B00420444 for 20,491 sqft R-2 building with 30 apartments in Park Slope, Brooklyn, on January 12, 2022.
Violations:
According to city public data, the properties have received four housing violations and $500 in OATH penalties in the last year.