544 UNION STREET
544 UNION STREET is a Class S4 (walk-up + store) building in Brooklyn (BBL 3004400027) built in 1931, with 5 residential units across 3 floors.
The building is in NYC community district 306, council district 39, zoning district M1-4/R6A, on a 3,600-square-foot lot with a building footprint of 6,956 square feet.
The current registered owner of record per NYC PLUTO is 544 UNION STREET PROPERTY OWNER LLC.
The most recent ACRIS deed transfer for this BBL was recorded on June 27, 2025 when 544&546 UNION REALTY LLC conveyed the property to 544 UNION STREET PROPERTY OWNER LLC for $5.00M. The transaction was recorded as cash (no paired mortgage instrument).
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 17, 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 OfficerCHRISTOPHER MERONE
- Corporate Owner544-546 UNION REALTY LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- M1-4/R6A
- Lot size:
- 3,600 sqft
- Building area:
- 6,956 sqft
- Floors:
- 3
- Assessed value:
- $296K
- Community district:
- 306
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class CInspected Aug 9, 2023§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE OF THE LOWER SASH AT THE 1ST WINDOW FROM WEST AT NORTH IN…
- Class BInspected Aug 9, 2023§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE THE COUNTER BALANCE OF THE LOWER SASH AT THE 2ND WINDOW FROM EAST AT SOUTH…
- Class CInspected Aug 9, 2023§ 27-2026 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE CONNECTION AT THE WASTE PIPE OF THE SINK IN THE KITCHEN LOCATED AT APT 3, 3rd STORY, 1…
- Class CInspected Aug 9, 2023§ 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING BALUSTERS AT THE BALUSTRADE TOTAL (3) AT PUBLIC HALL STAIRS, 1st STORY
Recent ACRIS activity
Frequently asked questions about 544 UNION STREET
Who owns 544 UNION STREET?
The current registered owner of record for 544 UNION STREET per NYC PLUTO is 544 UNION STREET PROPERTY OWNER LLC. The most recent ACRIS deed transfer for this BBL was recorded on June 27, 2025 when the property was conveyed to 544 UNION STREET PROPERTY 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 544 UNION STREET last sold?
The most recent ACRIS deed transfer for 544 UNION STREET was recorded on June 27, 2025, when 544&546 UNION REALTY LLC conveyed the property to 544 UNION STREET PROPERTY OWNER LLC for $5.00M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 544 UNION STREET have?
No open HPD housing-maintenance code violations are on record for 544 UNION STREET as of May 17, 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 544 UNION STREET?
NYC Department of Finance assesses 544 UNION STREET at $296K 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 544 UNION STREET and what does that mean?
544 UNION STREET is NYC building class S4 — Walk-up + store. A walk-up apartment with one or more store 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.