550 PROSPECT AVENUE
550 PROSPECT AVENUE is a Class S9 (misc mixed-use) building in Brooklyn (BBL 3008720001) built in 1931, with 6 residential units across 3 floors.
The building is in NYC community district 307, council district 39, zoning district R5B, on a 2,000-square-foot lot with a building footprint of 5,531 square feet.
The current registered owner of record per NYC PLUTO is MAKOWER YAP, JULIE.
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
- Managing AgentPAUL TAYLOR
- Joint OwnerBRYAN MAKOWER
- Joint OwnerJULIE YAP
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R5B
- Lot size:
- 2,000 sqft
- Building area:
- 5,531 sqft
- Floors:
- 3
- Assessed value:
- $981K
- Community district:
- 307
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class AInspected Apr 30, 2026(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 20, 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 BInspected Apr 27, 2023§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF STORAGE CABINET AND MAINTENANCE EQUIPMENT THROUGHOUT BULKHEAD LANDING AT PUBL…
- Class BInspected Apr 27, 2023§ 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE BUILDING FRONT ENTRANC…
- Class AInspected Apr 27, 2023§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE…
Recent ACRIS activity
Frequently asked questions about 550 PROSPECT AVENUE
Who owns 550 PROSPECT AVENUE?
The current registered owner of record for 550 PROSPECT AVENUE per NYC PLUTO is MAKOWER YAP, JULIE. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 550 PROSPECT AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 550 PROSPECT AVENUE 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 550 PROSPECT AVENUE have?
No open HPD housing-maintenance code violations are on record for 550 PROSPECT 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 550 PROSPECT AVENUE?
NYC Department of Finance assesses 550 PROSPECT AVENUE at $981K 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 550 PROSPECT AVENUE and what does that mean?
550 PROSPECT AVENUE is NYC building class S9 — Misc mixed-use. Miscellaneous mixed residential and commercial building. 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.