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NYC Building Records · BBL 3026860060

640 HUMBOLDT STREET

Brooklyn · Block 2686 · Lot 60 · Walk-up, five to six (Class C2)
Last recorded deed: Mar 2021Last HPD violation issued: 2026-05-05
Year built
1931
Units
6
Floors
3
Class
C2 · Walk-up, five to six
Building area
4,190 sqft
Last transferred
Mar 2021

640 HUMBOLDT STREET is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3026860060) built in 1931, with 6 residential units across 3 floors.

The building is in NYC community district 301, council district 33, zoning district R6B, on a 2,450-square-foot lot with a building footprint of 4,190 square feet.

The current registered owner of record per NYC PLUTO is HAN, FRANK J.

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.

Aerial map of 640 HUMBOLDT STREET, BrooklynStreet View of 640 HUMBOLDT STREET, Brooklyn

Owner of record

HAN, FRANK J
HPD-registered head officer: FRANK HAN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerFRANK HAN
  • Managing AgentEVELYN HAN

Most recent deed

Last transferred on Mar 31, 2021 to HAN, FRANK J; HAN, EVELYN.
Previous owner: HAN, FRANK
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2021 sale →

Activity timeline

Recent ACRIS documents (last 2)

DateTypeAmountParties
Mar 31, 2021DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Apr 21, 2005DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
6
Year built
1931
Class
C2
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,450 sqft
Building area:
4,190 sqft
Floors:
3
Assessed value:
$757K
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 5, 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 10, 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 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 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…
  • 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…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

2 documents in the last 5 years (most recent Mar 31, 2021).

Frequently asked questions about 640 HUMBOLDT STREET

Who owns 640 HUMBOLDT STREET?

The current registered owner of record for 640 HUMBOLDT STREET per NYC PLUTO is HAN, FRANK J. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 640 HUMBOLDT STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 640 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 640 HUMBOLDT STREET have?

No open HPD housing-maintenance code violations are on record for 640 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 640 HUMBOLDT STREET?

NYC Department of Finance assesses 640 HUMBOLDT STREET at $757K 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 640 HUMBOLDT STREET and what does that mean?

640 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

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