NYC Building Records · BBL 4006230039
33-04 31 AVENUE
Queens · Block 623 · Lot 39 · Class S5
Owner of record
KTSQUARED LLC
HPD-registered head officer: KONSTANTINOS TRIANTIS
HPD registered contacts
People legally accountable to HPD for conditions at this building, in registration-priority order:
- Head OfficerKONSTANTINOS TRIANTIS
- Corporate OwnerKTSQUARED LLC
- Managing AgentGEORGE SAKELLARIS
- Site ManagerTICIANA RIBERIRO
Most recent deed
Last transferred on Jun 24, 2025 to KTSQUARED LLC.
Previous owner: KONSTANTINOS TRIANTIS, AS TRUSTEE; KATHRYN TRIANTIS, AS TRUSTEE; ARTICLE THIRD CST U/W P. TRIANTIS
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →Recent ACRIS documents (last 2)
DateTypeAmountParties
Jun 24, 2025DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Aug 10, 2009DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →Building stats
Units
6
Year built
1924
Class
S5
Borough
Queens
- Zoning:
- R6A
- Lot size:
- 1,636 sqft
- Building area:
- 3,340 sqft
- Floors:
- 3
- Assessed value:
- $443K
- Community district:
- 401
- Council district:
- 22
HPD violations
0 open
Most severe class on record: Class A
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 IInspected Nov 21, 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 11, 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 12, 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 24, 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…
- Class AInspected Mar 27, 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 Jun 24, 2025).
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