639 CARROLL STREET
639 CARROLL STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3009590072) built in 1899, with 3 residential units across 3 floors.
The building is in NYC community district 306, council district 39, zoning district R6B, on a 1,733-square-foot lot with a building footprint of 3,060 square feet.
The current registered owner of record per NYC PLUTO is SARAH B. KORNBLUTH, AS 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
HPD registered contacts
- Head OfficerSARAH KORNBLUTH
- Corporate OwnerKORNBLUTH FAMILY TRUST
- Managing AgentMORRIS KORNBLUTH
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,733 sqft
- Building area:
- 3,060 sqft
- Floors:
- 3
- Assessed value:
- $214K
- Community district:
- 306
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class AInspected May 4, 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 9, 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 Apr 9, 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 AInspected Mar 21, 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 23, 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 639 CARROLL STREET
Who owns 639 CARROLL STREET?
The current registered owner of record for 639 CARROLL STREET per NYC PLUTO is SARAH B. KORNBLUTH, AS TRUSTEE. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 639 CARROLL STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 639 CARROLL 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 639 CARROLL STREET have?
No open HPD housing-maintenance code violations are on record for 639 CARROLL 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 639 CARROLL STREET?
NYC Department of Finance assesses 639 CARROLL STREET at $214K 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 639 CARROLL STREET and what does that mean?
639 CARROLL 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.