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Two family converted from one family
137-11 OAK AVENUE
QUEENS · East Flushing · BIN 4116640
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1920Year Built
2Stories
B3Building Class
R3XZoning
2,924 sfGross Floor Area
2Units
0 Open Violations
Two family converted from one family · Owner of record: KAYSON & CHEN INC · 4,960 sf lot · 0.59 FAR built · Flood zone X
Locations of Work
Plumbing
Cellar5p · 1 filing · 17 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/13/2022$2.1M—Private party → KAYSON & CHEN INC$718/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ALPHA HOME DESIGN LLC506/02/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
LC EXPEDITING SERVICES1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TLS CONSTRUCTION GROUP I*General Contractor107/08/2026
CHAMP PLUMBING & HTG CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
YAN GAO6619506/02/2023
Building Lifecycle
All (30)Filed (5)Permit Issued (2)Signed Off (2)Violation (9)Inspection (5)Special Inspection (7)
06/09/2023
Signed off — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-S1
06/03/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
YAN GAO
06/02/2023
Filed — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-P3
06/02/2023
Signed off — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-I1
06/01/2023
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
05/25/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
YAN GAO
04/27/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/27/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
04/21/2023
Inspection — No Access-Final PL - Up to 3 Requested Floors
No Access
View inspection ↗
04/14/2023
Filed — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-P1
04/14/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
YAN GAO
04/14/2023
Special inspection requirement — Fire-Resistance Rated Construction
YAN GAO
04/13/2023
Filed — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-P2
04/11/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
YAN GAO
04/11/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
YAN GAO
04/11/2023
Special inspection requirement — Fire-Resistance Rated Construction
YAN GAO
04/03/2023
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
02/22/2023
Permit issued — General Construction
Q00828862-I1-GC
02/21/2023
Permit issued — Plumbing
Q00828862-S1-PL
02/15/2023
Filed — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-S1
02/15/2023
Filed — Alteration
PLUMBING WORK TO REMEDY VIOLATION AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00828862-I1
01/19/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/19/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/03/2008
Violation issued (ECB, closed)
Construction
06/19/2008
Violation issued (ECB, closed)
Construction
06/19/2008
Violation issued (ECB, closed)
Site Safety
02/14/2008
Violation issued (ECB, closed)
Site Safety
09/21/2007
Violation issued (ECB, closed)
Construction
09/21/2007
Violation issued (ECB, closed)
Site Safety
09/21/2007
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offTLS CONSTRUCTION GROUP I*02/22/2023
DOB NOWPlumbingSigned-offCHAMP PLUMBING & HTG CORP02/21/2023
BISPLISSUEDWATERWORLD MECH. CORP11/06/2009
BISOTISSUEDTOC CONSTRUCTION INC09/01/2009
BISEQISSUEDTOC CONSTRUCTION INC09/01/2009
BISEQISSUEDTOC CONSTRUCTION INC04/02/2009
BIS—ISSUEDTOC CONSTRUCTION INC04/02/2009
BIS—ISSUEDTOC CONSTRUCTION INC02/17/2009
BISPLISSUEDRRP PLUMBING CORP11/21/2008
BISEQISSUEDTOC CONSTRUCTION INC05/05/2008
BIS—ISSUEDTOC CONSTRUCTION INC02/25/2008
BISEQISSUEDTOC CONSTRUCTION INC01/09/2008
BIS—ISSUEDTOC CONSTRUCTION INC04/27/2007
BISEQISSUEDTOC CONSTRUCTION INC04/27/2007
BIS—ISSUEDTOC CONSTRUCTION INC04/27/2007
1 project · most recent 02/11/2023
General Wiring
FiledStatusContractorScope
02/11/2023CompleteR & T ELECTRICAL CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
06/01/2023Pass-Final General Construction Non-Directive 14PassView ↗
04/27/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/27/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
04/21/2023No Access-Final PL - Up to 3 Requested FloorsNo AccessView ↗
04/03/2023Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 7
DateRequirementInspectorRole
06/03/2023Fire-Resistant Penetrations and JointsYAN GAOspecial
05/25/2023Fire-Resistant Penetrations and JointsYAN GAOspecial
04/14/2023Fire-Resistant Penetrations and JointsYAN GAOspecial
04/14/2023Fire-Resistance Rated ConstructionYAN GAOprogress
04/11/2023Fire-Resistant Penetrations and JointsYAN GAOspecial
04/11/2023Fire-Resistant Penetrations and JointsYAN GAOspecial
04/11/2023Fire-Resistance Rated ConstructionYAN GAOprogress
▾Documents — 89 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/24/2026Q00828862-P1Request digital key ↗
08/24/2026Q00828862-P3Request digital key ↗
08/24/2026Q00828862-P2Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits16
▸BISPLAN / WORK APPROVAL APPLICATION8
07/19/2010410027705Open ↗
10/27/2009420098502Open ↗
08/05/2009420059082Open ↗
Showing 3 of 8 on file for this type
▸BISWORK PERMIT APPLICATION5
11/06/2009420098502Open ↗
10/27/2009420098502Open ↗
09/03/2009420059082Open ↗
Showing 3 of 5 on file for this type
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION2
07/27/2010410027705Open ↗
10/28/2008410027705Open ↗
▸BISIntent to Revoke Approval/Permit1
08/07/2009410027705Open ↗
▸Zoning, Tax Lot & Property Records3
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
05/08/2008410027705Open ↗
▸BISTAX LOT- FINAL LOT NUMBER ISSUED1
07/27/2010410027705Open ↗
▸BISTAX LOT- TENTATIVE LOT NUMBER ISSUED1
07/27/2010410027705Open ↗
▸Seals & Professional Certifications27
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION7
10/27/2009420098502Open ↗
10/07/2009410027705Open ↗
06/18/2009410027705Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/13/2026Q00828862-I1Open ↗
08/13/2026Q00828862-P3Open ↗
08/13/2026Q00828862-P2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/23/2026Q00828862-S1Open ↗
09/07/2026Q00828862-P3Open ↗
08/29/2026Q00828862-I1Open ↗
Showing 3 of 5 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM3
10/27/2009420098502Open ↗
11/16/2007410027705Open ↗
11/15/2007410029393Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST3
10/27/2009420098502Open ↗
11/16/2007410027705Open ↗
11/15/2007410029393Open ↗
▸BISPC FULL REPORT2
05/08/2008410027705Open ↗
11/15/2007410029393Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
08/29/2026Q00828862-I1Open ↗
08/29/2026Q00828862-P2Open ↗
▸Trade Schedules & Equipment6
▸BISSCHEDULE B - PLUMBING2
10/27/2009420098502Open ↗
08/25/2009420059082Open ↗
▸BISSELF-CERT PLUMBING NOTICE2
11/25/2009420098502Open ↗
10/01/2009420059082Open ↗
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1
07/19/2010410027705Open ↗
▸BISSEWER CONNECTION: DEP SD1 & SD21
01/08/2008410027705Open ↗
▸Safety & Tenant Protection3
▸BISSTREET TREE CHECKLIST3
07/27/2010410027705Open ↗
10/27/2009420098502Open ↗
06/05/2009410027705Open ↗
▸Environmental & Asbestos4
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER4
10/27/2009420098502Open ↗
08/05/2009420059082Open ↗
11/16/2007410027705Open ↗
Showing 3 of 4 on file for this type
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: CONCRETE-TEST CYLINDER1
07/22/2010410027705Open ↗
▸Approvals, Objections & Sign-offs12
▸BISADMINISTRATIVE OBJECTIONS4
10/27/2009420098502Open ↗
08/05/2009420059082Open ↗
11/16/2007410027705Open ↗
Showing 3 of 4 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION4
07/27/2010410027705Open ↗
07/27/2010410027705Open ↗
11/27/2009420098502Open ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3
07/27/2010410027705Open ↗
11/27/2009420098502Open ↗
09/30/2009420059082Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
07/27/2010410027705Open ↗
▸Cost, Insurance & Ownership6
▸BISCOST AFFIDAVIT6
07/27/2010410027705Open ↗
11/27/2009420098502Open ↗
09/30/2009420059082Open ↗
Showing 3 of 6 on file for this type
▸Filing & Intake Forms6
▸BISADDITIONAL INFORMATION3
07/27/2010410027705Open ↗
07/22/2010410027705Open ↗
10/07/2009410027705Open ↗
▸BISEFILING COVER SHEET2
10/27/2009420098502Open ↗
08/05/2009420059082Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
11/15/2007410029393Open ↗