125 MARTENSE STREET
125 MARTENSE STREET is a Class B1 (two-family brick) building in Brooklyn (BBL 3050870085) built in 1901, with 2 residential units across 2 floors.
The building is in NYC community district 317, council district 40, zoning district R7-1, on a 2,600-square-foot lot with a building footprint of 2,144 square feet.
The current registered owner of record per NYC PLUTO is HSK 125 MARTENSE 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 OfficerYoel Horowitz
- Corporate OwnerHSK 125 MARTENSE LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7-1
- Lot size:
- 2,600 sqft
- Building area:
- 2,144 sqft
- Floors:
- 2
- Assessed value:
- $70K
- Community district:
- 317
- Council district:
- 40
HPD violations
Recent HPD violation details
- Class IInspected Jun 18, 2018§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 12, 2018§ 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2FL, 2nd STORY, 1st APARTMENT FROM…
- Class AInspected Jun 12, 2018§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES…
- Class BInspected Jun 12, 2018§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE 2ND AND 4TH TREAD CONCTRETE FROM BOTTOM AT BULDING FRON…
- Class BInspected Jun 12, 2018§ 27-2005, 2007 ADMIN. CODE: REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSE HOLD ITEMS AT PUBLIC HALL, 2nd STORY
Recent ACRIS activity
Frequently asked questions about 125 MARTENSE STREET
Who owns 125 MARTENSE STREET?
The current registered owner of record for 125 MARTENSE STREET per NYC PLUTO is HSK 125 MARTENSE LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 125 MARTENSE STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 125 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 125 MARTENSE STREET have?
No open HPD housing-maintenance code violations are on record for 125 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 125 MARTENSE STREET?
NYC Department of Finance assesses 125 MARTENSE STREET at $70K 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 125 MARTENSE STREET and what does that mean?
125 MARTENSE STREET is NYC building class B1 — Two-family brick. A two-family residential building of brick construction, typically owner-occupied. 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.