251 AVENUE U
251 AVENUE U is a Class K4 (multi-story store + offices) building in Brooklyn (BBL 3071020046) built in 1931, with 3 residential units across 2 floors.
The building is in NYC community district 311, council district 44, zoning district R5B, on a 2,074-square-foot lot with a building footprint of 2,865 square feet.
The current registered owner of record per NYC PLUTO is MONACO PROPERTIES, LLC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
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 OfficerSanto Monaco
- Corporate OwnerMonaco Properties LLC
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R5B
- Lot size:
- 2,074 sqft
- Building area:
- 2,865 sqft
- Floors:
- 2
- Assessed value:
- $175K
- Community district:
- 311
- Council district:
- 44
HPD violations
Recent HPD violation details
- Class IInspected Nov 28, 2023§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 IInspected Nov 17, 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 IInspected Mar 16, 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 IInspected Nov 8, 2019§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 CInspected Jun 14, 2005SECTION 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN AND BATHROOM, 2ND STORY REAR APT. 2R.
Recent ACRIS activity
Frequently asked questions about 251 AVENUE U
Who owns 251 AVENUE U?
The current registered owner of record for 251 AVENUE U per NYC PLUTO is MONACO PROPERTIES, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 251 AVENUE U last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 251 AVENUE U in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 251 AVENUE U have?
No open HPD housing-maintenance code violations are on record for 251 AVENUE U 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 251 AVENUE U?
NYC Department of Finance assesses 251 AVENUE U at $175K 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 251 AVENUE U and what does that mean?
251 AVENUE U is NYC building class K4 — Multi-story store + offices. A multi-story store with commercial offices above. 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.