2507 EAST 21 STREET
2507 EAST 21 STREET is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3074220247) built in 1932, with 4 residential units across 2 floors.
NYC PLUTO does not list a registered owner of record for this BBL.
The most recent ACRIS deed transfer for this BBL was recorded on August 5, 2022 when CHIN, MABEL conveyed the property to TBJ25, LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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 OfficerTHOMAS CHIN
- Corporate OwnerTBJ25LLC
- Site ManagerTom Chin
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Floors:
- 2
- Assessed value:
- $213K
HPD violations
Recent HPD violation details
- 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 Mar 22, 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 Nov 14, 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 24, 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 AInspected Apr 8, 2021(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 2507 EAST 21 STREET
Who owns 2507 EAST 21 STREET?
NYC PLUTO does not list a registered owner of record for this BBL. The most recent ACRIS deed transfer for 2507 EAST 21 STREET was recorded on August 5, 2022, when CHIN, MABEL conveyed the property to TBJ25, LLC.
When was 2507 EAST 21 STREET last sold?
The most recent ACRIS deed transfer for 2507 EAST 21 STREET was recorded on August 5, 2022, when CHIN, MABEL conveyed the property to TBJ25, LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 2507 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 2507 EAST 21 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 2507 EAST 21 STREET?
NYC Department of Finance assesses 2507 EAST 21 STREET at $213K 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 2507 EAST 21 STREET and what does that mean?
2507 EAST 21 STREET is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. 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.