939 ST MARKS AVENUE
939 ST MARKS AVENUE is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3012230069) built in 1907, with 16 residential units across 4 floors.
The building is in NYC community district 308, council district 36, zoning district R6, on a 4,258-square-foot lot with a building footprint of 9,952 square feet.
The current registered owner of record per NYC PLUTO is 939 SM LLC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
NYC public records show 2 open HPD housing-maintenance code violations on this property as of May 18, 2026, all Class B (hazardous).
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 OfficerNOSSON LANG
- Corporate Owner939 SM LLC
Most recent deed
Activity timeline
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6
- Lot size:
- 4,258 sqft
- Building area:
- 9,952 sqft
- Floors:
- 4
- Assessed value:
- $346K
- Community district:
- 308
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class BInspected May 13, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RUBBER GASKET AT LOWER REFRIGERATOR DOOR IN THE KITCHEN LOCATED AT APT 2A,…
- Class BInspected May 13, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 3rd ROOM FROM EAST LOCA…
- Class AInspected Apr 20, 2026§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQUARE FEET AT CEILING EAST WALL IN THE BA…
- Class BInspected Apr 20, 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 BInspected Apr 20, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING AND EAST WALL IN THE BATHROOM…
Recent ACRIS activity
Other buildings in this portfolio
- 947 ST MARKS AVENUE699 violations
Frequently asked questions about 939 ST MARKS AVENUE
Who owns 939 ST MARKS AVENUE?
The current registered owner of record for 939 ST MARKS AVENUE per NYC PLUTO is 939 SM LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 939 ST MARKS AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 939 ST MARKS 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 939 ST MARKS AVENUE have?
2 open HPD housing-maintenance code violations on this property as of May 18, 2026, all Class B (hazardous). HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 939 ST MARKS AVENUE?
NYC Department of Finance assesses 939 ST MARKS AVENUE at $346K 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 939 ST MARKS AVENUE and what does that mean?
939 ST MARKS AVENUE 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.