637 NOSTRAND AVENUE
637 NOSTRAND AVENUE is a Class C7 (walk-up + store) building in Brooklyn (BBL 3012200001) built in 1910, with 20 residential units across 5 floors.
The building is in NYC community district 308, council district 36, zoning district R6A, on a 5,058-square-foot lot with a building footprint of 19,500 square feet.
The current registered owner of record per NYC PLUTO is OTA 701 ST. MARKS, 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 OfficerRICHARD ROSAN
- Corporate OwnerOTA 701 ST. MARKS LLC
- Managing AgentOAK TREE MANAGEMENT, LTD
- Site ManagerJERRY YOUNG
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6A
- Lot size:
- 5,058 sqft
- Building area:
- 19,500 sqft
- Floors:
- 5
- Assessed value:
- $1.2M
- Community district:
- 308
- 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 BInspected Apr 22, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT…
- Class BInspected Apr 22, 2026§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
- Class CInspected Apr 22, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM…
- Class BInspected Apr 22, 2026§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 1D, 1st STO…
Recent ACRIS activity
Other buildings in this portfolio
- 1398 DEAN STREET272 violations
- 244 NEW YORK AVENUE108 violations
- 942 BERGEN STREET38 violations
Frequently asked questions about 637 NOSTRAND AVENUE
Who owns 637 NOSTRAND AVENUE?
The current registered owner of record for 637 NOSTRAND AVENUE per NYC PLUTO is OTA 701 ST. MARKS, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 637 NOSTRAND AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 637 NOSTRAND 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 637 NOSTRAND AVENUE have?
No open HPD housing-maintenance code violations are on record for 637 NOSTRAND 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 637 NOSTRAND AVENUE?
NYC Department of Finance assesses 637 NOSTRAND AVENUE at $1.17M 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 637 NOSTRAND AVENUE and what does that mean?
637 NOSTRAND AVENUE is NYC building class C7 — Walk-up + store. A walk-up apartment building with a store on the ground floor. 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.