520 UNION AVENUE
520 UNION AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3027410001) built in 1928, with 5 residential units across 3 floors.
The building is in NYC community district 301, council district 33, zoning district M1-2/R6A, on a 1,700-square-foot lot with a building footprint of 4,500 square feet.
The current registered owner of record per NYC PLUTO is 520 UNION OWNER LLC.
The most recent ACRIS deed transfer for this BBL was recorded on March 15, 2023 when Astore, Linda; Farino, Frances; Astore, Josephine; Schlesier, Felicia; Watkins, Frances; Carlson, Frances; Elizondo, Anna; Samudio, Camille conveyed the property to 520 Union Owner Llc for $3.17M. The transaction was financed with a $2.85M mortgage from First Horizon Bank.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerAlex Kaskel
- Corporate Owner520 Union Owner LLC
- Managing AgentApex Management Group
- Site ManagerLeuron Prelvukaj
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- M1-2/R6A
- Lot size:
- 1,700 sqft
- Building area:
- 4,500 sqft
- Floors:
- 3
- Assessed value:
- $1.2M
- Community district:
- 301
- Council district:
- 33
HPD violations
Recent HPD violation details
- Class AInspected Mar 27, 2023(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 7, 2022§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Mar 2, 2022(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected May 26, 2021§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON…
- Class AInspected May 26, 2021§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND…
Recent ACRIS activity
Frequently asked questions about 520 UNION AVENUE
Who owns 520 UNION AVENUE?
The current registered owner of record for 520 UNION AVENUE per NYC PLUTO is 520 UNION OWNER LLC. The most recent ACRIS deed transfer for this BBL was recorded on March 15, 2023 when the property was conveyed to 520 Union Owner Llc. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 520 UNION AVENUE last sold?
The most recent ACRIS deed transfer for 520 UNION AVENUE was recorded on March 15, 2023, when Astore, Linda; Farino, Frances; Astore, Josephine; Schlesier, Felicia; Watkins, Frances; Carlson, Frances; Elizondo, Anna; Samudio, Camille conveyed the property to 520 Union Owner Llc for $3.17M. The transaction was financed with a $2.85M mortgage from First Horizon Bank.
How many HPD violations does 520 UNION AVENUE have?
No open HPD housing-maintenance code violations are on record for 520 UNION AVENUE as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 520 UNION AVENUE?
NYC Department of Finance assesses 520 UNION AVENUE at $1.23M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 520 UNION AVENUE and what does that mean?
520 UNION AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.