Free account includes 3 full due diligence reports — no credit card requiredSign Up Free →
← Address Lookup
NYC Building Records · BBL 3048680079

307 MARTENSE STREET

Brooklyn · Block 4868 · Lot 79 · Walk-up, over six families (Class C1)

307 MARTENSE STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3048680079) 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

DITMAS PARK 307 LLC
HPD-registered head officer: Scott Silverman

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerScott Silverman
  • Corporate OwnerDitmas Park 307, LLC
  • Managing AgentBronstein Properties LLC
  • Site ManagerErnie Winters

Most recent deed

Last transferred on May 6, 2008 for $4.6M to Ditmas Park 307 Llc.
Previous owner: 307-323 Martense Realty Llc
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2008 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Jun 19, 2014MTGE$2.1MParties redacted — full names in MetroDeeds Scout+
Jun 19, 2014AGMT$6.0MParties redacted — full names in MetroDeeds Scout+
May 19, 2011MTGE$1.2MParties redacted — full names in MetroDeeds Scout+
May 19, 2011AGMT$4.1MParties redacted — full names in MetroDeeds Scout+
May 6, 2008DEED$4.6MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
27
Year built
1922
Class
C1
Borough
Brooklyn
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

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected Mar 16, 2026
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILES IN THE KITCHEN LOCATED AT APT B1, 2nd S…
  • Class AInspected Mar 16, 2026
    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE BASE CABINET DOOR AT NORTH IN THE KITCHEN LOCATED AT APT B1, 2nd STORY, 3r…
  • Class BInspected Mar 16, 2026
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE BASE CABINET COUNTER TOP AT NORTH WALL IN THE KITCHEN LOCAT…
  • Class CInspected Mar 16, 2026
    HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT B1, 2nd STORY, 3rd APARTMENT FROM…
  • Class BInspected Feb 25, 2026
    § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 2nd ROOM FROM NORTH LOCATED AT APT…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Jun 19, 2014).

Other buildings in this portfolio

Ditmas Park 307 Llc controls 2 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 307 MARTENSE STREET

Who owns 307 MARTENSE STREET?

The current registered owner of record for 307 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 307 MARTENSE STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 307 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 307 MARTENSE STREET have?

No open HPD housing-maintenance code violations are on record for 307 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 307 MARTENSE STREET?

NYC Department of Finance assesses 307 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 307 MARTENSE STREET and what does that mean?

307 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.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 307 MARTENSE STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
Get the full deed history for 307 MARTENSE STREET
3 free reports lifetime with a MetroDeeds account. No credit card required.
Sign Up Free