102 MARTENSE STREET
102 MARTENSE STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3050900014) built in 1931, with 25 residential units across 5 floors.
The building is in NYC community district 317, council district 40, zoning district R7-1, on a 4,000-square-foot lot with a building footprint of 13,925 square feet.
The current registered owner of record per NYC PLUTO is CORION REALTY, 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 OfficerALBERT CORION
- Corporate OwnerCORION REALTY CORP
- Managing AgentWATERSTONE GROUP LLC
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R7-1
- Lot size:
- 4,000 sqft
- Building area:
- 13,925 sqft
- Floors:
- 5
- Assessed value:
- $591K
- Community district:
- 317
- Council district:
- 40
HPD violations
Recent HPD violation details
- Class CInspected Jul 12, 2025HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT A1, 1st STORY, 1st APARTMENT FR…
- Class BInspected Jul 12, 2025§ 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION AT WASTE LINE UNDER SINK IN THE KITCHEN LOCATED AT APT A1, 1st STORY, 1st APART…
- Class BInspected Jul 12, 2025§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT SINK IN THE KITCHEN LOCATED AT APT A1, 1st STORY, 1st APARTMENT FROM SOUTH A…
- Class BInspected Jun 18, 2025§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM NORTH LOCA…
- Class BInspected Jun 18, 2025§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE KITCHEN LOCATED AT APT A1, 1st STOR…
Recent ACRIS activity
Frequently asked questions about 102 MARTENSE STREET
Who owns 102 MARTENSE STREET?
The current registered owner of record for 102 MARTENSE STREET per NYC PLUTO is CORION REALTY, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 102 MARTENSE STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 102 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 102 MARTENSE STREET have?
No open HPD housing-maintenance code violations are on record for 102 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 102 MARTENSE STREET?
NYC Department of Finance assesses 102 MARTENSE STREET at $591K 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 102 MARTENSE STREET and what does that mean?
102 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.