723 HUMBOLDT STREET
723 HUMBOLDT STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3026530015) built in 1899, with 3 residential units across 3 floors.
The building is in NYC community district 301, council district 33, zoning district R6B, on a 1,940-square-foot lot with a building footprint of 3,384 square feet.
The current registered owner of record per NYC PLUTO is LASKOWSKI, CEZARY.
The most recent ACRIS deed transfer for this BBL was recorded on May 22, 2024 when Gorski, Nicholas A conveyed the property to Laskowski, Beata; Laskowski, Cezary; Laskowski, Patryk for $2.45M. The transaction was financed with a $980K mortgage from Citibank, N.a.; Mers.
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
- Managing AgentPatryk Laskowski
- Joint OwnerCezary Laskowski
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,940 sqft
- Building area:
- 3,384 sqft
- Floors:
- 3
- Assessed value:
- $123K
- Community district:
- 301
- Council district:
- 33
HPD violations
Recent HPD violation details
- Class AInspected Apr 10, 2024(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 21, 2023§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 AInspected Mar 23, 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 IInspected Feb 25, 2022§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 AInspected Feb 25, 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…
Recent ACRIS activity
Frequently asked questions about 723 HUMBOLDT STREET
Who owns 723 HUMBOLDT STREET?
The current registered owner of record for 723 HUMBOLDT STREET per NYC PLUTO is LASKOWSKI, CEZARY. The most recent ACRIS deed transfer for this BBL was recorded on May 22, 2024 when the property was conveyed to Laskowski, Beata; Laskowski, Cezary; Laskowski, Patryk. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 723 HUMBOLDT STREET last sold?
The most recent ACRIS deed transfer for 723 HUMBOLDT STREET was recorded on May 22, 2024, when Gorski, Nicholas A conveyed the property to Laskowski, Beata; Laskowski, Cezary; Laskowski, Patryk for $2.45M. The transaction was financed with a $980K mortgage from Citibank, N.a.; Mers.
How many HPD violations does 723 HUMBOLDT STREET have?
No open HPD housing-maintenance code violations are on record for 723 HUMBOLDT 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 723 HUMBOLDT STREET?
NYC Department of Finance assesses 723 HUMBOLDT STREET at $123K 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 723 HUMBOLDT STREET and what does that mean?
723 HUMBOLDT STREET 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.