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Cape Cod
250-20 THORNHILL AVENUE
QUEENS · Douglaston-Little Neck · BIN 4171195
💬 Discuss this project
1945Year Built
1.67Stories
A0Building Class
R2Zoning
1,643 sfGross Floor Area
1Units
Cape Cod · 6,076 sf lot · 0.27 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Cellar4p · 2 filings · 14 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
LEECO503/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/15/2018$1.1M—Private party → Private party$700/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
LEE ENGINEERING, P.C.202/23/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
LEE ENGINEERING P C403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SUNINJIN LLCGeneral Contractor303/21/2026
C.R.U. MECHAN & HEAT INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
LEE ENGINEERING, P.C.2157202/23/2021
Building Lifecycle
All (13)Filed (2)Permit Issued (2)Signed Off (2)Special Inspection (7)
04/21/2022
Signed off — Alteration
Q00474200-I1
04/08/2022
Signed off — Alteration
NO WORK PARTITION WALL IN CELLAR FOR LEGALIZE PLUMBING 7 FIXTURES. NO CHANGE IN OCCUPANCY, USE, OR EGRESS IS UNDER THIS APPLICATION.
Q00473559-I1
05/07/2021
Permit issued — General Construction
Q00473559-I1-GC
03/05/2021
Permit issued — Plumbing
Q00474200-I1-PL
02/23/2021
Filed — Alteration
Q00474200-I1
02/23/2021
Filed — Alteration
NO WORK PARTITION WALL IN CELLAR FOR LEGALIZE PLUMBING 7 FIXTURES. NO CHANGE IN OCCUPANCY, USE, OR EGRESS IS UNDER THIS APPLICATION.
Q00473559-I1
02/22/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
YEON LEE
02/22/2021
Special inspection requirement — Final
YEON LEE
02/22/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
YEON LEE
02/22/2021
Special inspection requirement — Energy Code Compliance Inspections
YEON LEE
02/22/2021
Special inspection requirement — Maintenance information
YEON LEE
02/22/2021
Special inspection requirement — HVAC-R and service water heating equipment
YEON LEE
02/22/2021
Special inspection requirement — HVAC-R and service water heating system controls
YEON LEE
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offSUNINJIN LLC05/07/2021
DOB NOWPlumbingSigned-offC.R.U. MECHAN & HEAT INC03/05/2021
BISOTISSUEDSUNRUN INSTALLATION SVC07/06/2016
Nothing on file for this building.
▾Special Inspection Requirements (DOB NOW) — 7
DateRequirementInspectorRole
02/22/2021Fire-Resistant Penetrations and JointsYEON LEEspecial
02/22/2021FinalYEON LEEprogress
02/22/2021Fire-Resistant Penetrations and JointsYEON LEEspecial
02/22/2021Energy Code Compliance InspectionsYEON LEEprogress
02/22/2021Maintenance informationYEON LEEenergy_progress
02/22/2021HVAC-R and service water heating equipmentYEON LEEenergy_progress
02/22/2021HVAC-R and service water heating system controlsYEON LEEenergy_progress
▾Documents — 36 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - General Construction1
08/27/2026Q00473559-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Plumbing Legalization1
08/27/2026Q00474200-I1Request digital key ↗
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
07/05/2016440322269Open ↗
▸BISWORK PERMIT APPLICATION1
07/05/2016440322269Open ↗
▸Seals & Professional Certifications12
▸DOB NOWProgress Inspector Seal & Signature5
08/28/2026Q00473559-I1Open ↗
08/23/2026Q00474200-I1Open ↗
08/23/2026Q00474200-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026Q00473559-I1Open ↗
08/23/2026Q00474200-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/27/2026Q00474200-I1Open ↗
08/13/2026Q00473559-I1Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
07/05/2016440322269Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
07/05/2016440322269Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
07/05/2016440322269Open ↗
▸Safety & Tenant Protection1
▸BISTENANT PROTECTION PLAN AND NOTES1
07/05/2016440322269Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/27/2026Q00474200-I1Open ↗
08/13/2026Q00473559-I1Open ↗
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
07/05/2016440322269Open ↗
▸Energy Compliance8
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
01/19/2017440322269Open ↗
07/05/2016440322269Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
07/05/2016440322269Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
01/19/2017440322269Open ↗
▸BISSOLAR TAX ABATEMENT APPLICATION1
01/19/2017440322269Open ↗
▸BISNYCECC ANALYSIS1
07/05/2016440322269Open ↗
▸BISPTA4: SOLAR TAX ABATEMENT APPLICATION (PRELIMINARY)1
07/05/2016440322269Open ↗
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026Q00474200-I1Open ↗
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY2
01/19/2017440322269Open ↗
07/05/2016440322269Open ↗
▸Approvals, Objections & Sign-offs3
▸BISUtility Company PV System Interconnection Acknowledgement Letter1
01/19/2017440322269Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
01/19/2017440322269Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
01/19/2017440322269Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
01/19/2017440322269Open ↗
07/05/2016440322269Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
07/05/2016440322269Open ↗