323 MARTENSE STREET
323 MARTENSE STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3048680075) built in 1922, with 27 residential units across 4 floors.
The building is in NYC community district 317, council district 40, zoning district R6, on a 9,000-square-foot lot with a building footprint of 22,260 square feet.
The current registered owner of record per NYC PLUTO is DITMAS PARK 307 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 OfficerSCOTT SILVERMAN
- Corporate OwnerDitmas Park 307, LLC
- Managing AgentBRONSTEIN PROPERTIES LLC
- Site ManagerErnie Winters
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R6
- Lot size:
- 9,000 sqft
- Building area:
- 22,260 sqft
- Floors:
- 4
- Assessed value:
- $736K
- Community district:
- 317
- Council district:
- 40
HPD violations
Recent HPD violation details
- Class CInspected Mar 23, 2026§ 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER LOCK AT DOOR LEADING FROM CELLAR TO FIRE PASSAGEWAY AT CELLAR
- Class AInspected Mar 23, 2026§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE CEILING AT PUBLIC HALL, 4th STORY
- Class BInspected Mar 23, 2026§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT PLASTER AT CEILING AT PUBLIC HALL, 4th STORY
- Class BInspected Mar 23, 2026§ 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING AT PUBLIC HALL, 4th STORY
- Class CInspected Mar 23, 2026§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
Recent ACRIS activity
Frequently asked questions about 323 MARTENSE STREET
Who owns 323 MARTENSE STREET?
The current registered owner of record for 323 MARTENSE STREET per NYC PLUTO is DITMAS PARK 307 LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 323 MARTENSE STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 323 MARTENSE STREET 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 323 MARTENSE STREET have?
No open HPD housing-maintenance code violations are on record for 323 MARTENSE STREET 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 323 MARTENSE STREET?
NYC Department of Finance assesses 323 MARTENSE STREET at $736K 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 323 MARTENSE STREET and what does that mean?
323 MARTENSE STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 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.