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NYC Building Records · BBL 3026850026

629 HUMBOLDT STREET

Brooklyn · Block 2685 · Lot 26 · Walk-up, five to six (Class C2)

629 HUMBOLDT STREET is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3026850026) built in 2004, with 6 residential units across 4 floors.

The building is in NYC community district 301, council district 33, zoning district R6B, on a 1,977-square-foot lot with a building footprint of 5,619 square feet.

The current registered owner of record per NYC PLUTO is 629 HUMBOLDT 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

629 HUMBOLDT LLC
HPD-registered head officer: GRZEGORZ MAZIARZ

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerGRZEGORZ MAZIARZ
  • Corporate Owner629 HUMBOLDT LLC

Most recent deed

Last transferred on Jul 28, 2014 to 629 Humboldt Llc.
Previous owner: Maziarz, Zdzislaw
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2014 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Jan 7, 2020MTGE$4KParties redacted — full names in MetroDeeds Scout+
Jan 7, 2020AGMT$971KParties redacted — full names in MetroDeeds Scout+
Sep 25, 2014AGMT$1.4MParties redacted — full names in MetroDeeds Scout+
Sep 25, 2014MTGE$266KParties redacted — full names in MetroDeeds Scout+
Jul 28, 2014DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
6
Year built
2004
Class
C2
Borough
Brooklyn
Zoning:
R6B
Lot size:
1,977 sqft
Building area:
5,619 sqft
Floors:
4
Assessed value:
$724K
Community district:
301
Council district:
33

HPD violations

0 open
Most severe class on record: Class A
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 May 8, 2026
    (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 Jun 13, 2025
    (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 27, 2024
    §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 Apr 16, 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…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Jan 7, 2020).

Frequently asked questions about 629 HUMBOLDT STREET

Who owns 629 HUMBOLDT STREET?

The current registered owner of record for 629 HUMBOLDT STREET per NYC PLUTO is 629 HUMBOLDT LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 629 HUMBOLDT STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 629 HUMBOLDT 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 629 HUMBOLDT STREET have?

No open HPD housing-maintenance code violations are on record for 629 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 629 HUMBOLDT STREET?

NYC Department of Finance assesses 629 HUMBOLDT STREET at $724K 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 629 HUMBOLDT STREET and what does that mean?

629 HUMBOLDT STREET 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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