NYC Building Records · BBL 3007080040
3910 4 AVENUE
Brooklyn · Block 708 · Lot 40 · Walk-up apartment (Class C7)
Owner of record
A&A REAL ESTATE & PROPERTY LLC
HPD-registered head officer: GREGORY KELENZON
HPD registered contacts
People legally accountable to HPD for conditions at this building, in registration-priority order:
- Head OfficerGREGORY KELENZON
- Corporate OwnerA&A REAL ESTATE &PROPERTY LLC
- Site ManagerALEX KELENZON
Most recent deed
Last transferred on Mar 1, 2018 to A&a Real Estate & Property Llc.
Previous owner: A&a Real Estate Inc.
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →Recent ACRIS documents (last 2)
DateTypeAmountParties
Mar 1, 2018DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Feb 15, 2008MTGE$776KParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →Building stats
Units
10
Year built
1906
Class
C7
Borough
Brooklyn
- Zoning:
- M1-2
- Lot size:
- 2,500 sqft
- Building area:
- 6,120 sqft
- Floors:
- 4
- Assessed value:
- $552K
- Community district:
- 307
- Council district:
- 38
HPD violations
0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See full violation history →Recent HPD violation details
Most recent 5 violations issued by NYC HPD at this address:
- Class AInspected Apr 30, 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 IInspected Nov 20, 2025§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 Jun 5, 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 3, 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 17, 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…
Recent ACRIS activity
2 documents in the last 5 years (most recent Mar 1, 2018).
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