451 PUTNAM AVENUE
451 PUTNAM AVENUE is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3018250063) built in 1899, with 3 residential units across 3 floors.
The building is in NYC community district 303, council district 36, zoning district R6B, on a 2,000-square-foot lot with a building footprint of 3,860 square feet.
The current registered owner of record per NYC PLUTO is GASOWSKI, ROMAN A.
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 AgentMARIE MADGE JOSMA-GASOWSKI
- Site ManagerMARIE JOSMAGASOWSKI
- Joint OwnerROMAN GASOWSKI
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 2,000 sqft
- Building area:
- 3,860 sqft
- Floors:
- 3
- Assessed value:
- $127K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class AInspected May 5, 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 27, 2024§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 Apr 11, 2024(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 Mar 24, 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 10, 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…
Recent ACRIS activity
Frequently asked questions about 451 PUTNAM AVENUE
Who owns 451 PUTNAM AVENUE?
The current registered owner of record for 451 PUTNAM AVENUE per NYC PLUTO is GASOWSKI, ROMAN A. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 451 PUTNAM AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 451 PUTNAM 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 451 PUTNAM AVENUE have?
No open HPD housing-maintenance code violations are on record for 451 PUTNAM 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 451 PUTNAM AVENUE?
NYC Department of Finance assesses 451 PUTNAM AVENUE at $127K 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 451 PUTNAM AVENUE and what does that mean?
451 PUTNAM AVENUE is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.