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NYC Building Records · BBL 3017660005

173 NOSTRAND AVENUE

Brooklyn · Block 1766 · Lot 5 · Walk-up, 3+ families (Class C0)

173 NOSTRAND AVENUE is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3017660005) built in 1910, with 3 residential units across 3 floors.

The building is in NYC community district 303, council district 36, zoning district R6A, on a 1,800-square-foot lot with a building footprint of 2,592 square feet.

The current registered owner of record per NYC PLUTO is ISAAC BAUM, TRUSTEE.

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

ISAAC BAUM, TRUSTEE
HPD-registered head officer: ISAAC BAUM

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerISAAC BAUM
  • Corporate OwnerLEXINGTON TRUST

Most recent deed

Last transferred on Jan 27, 2010 to Isaac Baum, Trustee; The Lexington Trust.
Previous owner: Baum, Yechiel
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Jan 27, 2010DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Sep 1, 2005MTGE$410KParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
3
Year built
1910
Class
C0
Borough
Brooklyn
Zoning:
R6A
Lot size:
1,800 sqft
Building area:
2,592 sqft
Floors:
3
Assessed value:
$90K
Community district:
303
Council district:
36

HPD violations

0 open
Most severe class on record: Class B
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected Mar 24, 2023
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Mar 1, 2022
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class IInspected Nov 28, 2017
    §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 BInspected Jul 7, 2006
    SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FRO…
  • Class BInspected Jun 11, 2006
    SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FRO…
🔒 See full violation history with closure dates →

Recent ACRIS activity

2 documents in the last 5 years (most recent Jan 27, 2010).

Frequently asked questions about 173 NOSTRAND AVENUE

Who owns 173 NOSTRAND AVENUE?

The current registered owner of record for 173 NOSTRAND AVENUE per NYC PLUTO is ISAAC BAUM, TRUSTEE. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 173 NOSTRAND AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 173 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 173 NOSTRAND AVENUE have?

No open HPD housing-maintenance code violations are on record for 173 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 173 NOSTRAND AVENUE?

NYC Department of Finance assesses 173 NOSTRAND AVENUE at $90K 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 173 NOSTRAND AVENUE and what does that mean?

173 NOSTRAND AVENUE is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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

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