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NYC Building Records · BBL 3049150056

1631 NOSTRAND AVENUE

Brooklyn · Block 4915 · Lot 56 · Walk-up, five to six (Class C2)

1631 NOSTRAND AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3049150056) built in 1931, with 6 residential units across 3 floors.

The building is in NYC community district 317, council district 45, zoning district R6, on a 2,283-square-foot lot with a building footprint of 5,400 square feet.

The current registered owner of record per NYC PLUTO is KOSC 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

KOSC REALTY LLC
HPD-registered head officer: YOSSEL LICHTMAN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerYOSSEL LICHTMAN
  • Corporate OwnerLOUWAS REALTY
  • Managing AgentROGERS MANAGEMENT

Most recent deed

Last transferred on Jan 1, 2019 to Kosc Realty Llc.
Previous owner: Louwas Realty Corp
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2019 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
May 24, 2021MTGE$185KParties redacted — full names in MetroDeeds Scout+
May 24, 2021AGMT$675KParties redacted — full names in MetroDeeds Scout+
May 24, 2021AGMT$3.8MParties redacted — full names in MetroDeeds Scout+
Jan 1, 2019DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Sep 14, 2017MTGE$700KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
6
Year built
1931
Class
C2
Borough
Brooklyn
Zoning:
R6
Lot size:
2,283 sqft
Building area:
5,400 sqft
Floors:
3
Assessed value:
$408K
Community district:
317
Council district:
45

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 Apr 17, 2026
    § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT EAST WALL AT PUBLIC HALL, 2nd STORY
  • Class BInspected Apr 17, 2026
    § 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING HOOK AND EYE AT BULKHEAD DOOR AT PUBLIC HALL, 3rd STORY
  • Class BInspected Apr 17, 2026
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDENT MATERIAL AT EAST WALL AT PUBLIC HALL, 2nd ST…
  • Class BInspected Apr 17, 2026
    § 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK ABOVE CEILING AT PUBLIC HALL, 3rd STORY
  • Class BInspected Apr 17, 2026
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDENT MATERIAL AT NORTH AND WEST WALLS , AND CEILI…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent May 24, 2021).

Frequently asked questions about 1631 NOSTRAND AVENUE

Who owns 1631 NOSTRAND AVENUE?

The current registered owner of record for 1631 NOSTRAND AVENUE per NYC PLUTO is KOSC 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 1631 NOSTRAND AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 1631 NOSTRAND 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 1631 NOSTRAND AVENUE have?

No open HPD housing-maintenance code violations are on record for 1631 NOSTRAND AVENUE 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 1631 NOSTRAND AVENUE?

NYC Department of Finance assesses 1631 NOSTRAND AVENUE at $408K 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 1631 NOSTRAND AVENUE and what does that mean?

1631 NOSTRAND AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 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

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Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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