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One story - permanent living quarter
251-40 THORNHILL AVENUE
QUEENS · BIN 4171281
💬 Discuss this project
1950Year Built
1Stories
A2Building Class
R1-2Zoning
1,168 sfGross Floor Area
1Units
0 Open ViolationsFDNY Report ↗
One story - permanent living quarter · 5,919 sf lot · 0.2 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Roof1p · 1 filing · 15 docs
Floor 11p · 1 filing · 15 docs
Cellar2p · 1 filing · 15 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
08/08/2024$990K—Private party → Private party$848/sf building
05/11/2022$988K—Private party → Private party$846/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
TAN ARCHITECT P.C406/12/2023
MEI ARCHITECT PLLC1—
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ALPHA HOME DESIGN LLC403/21/2026
MEIYUN CHEN103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
L&L CONSTRUCTION DEVELOPGeneral Contractor104/09/2026
Building Lifecycle
All (72)Filed (6)Permit Issued (1)Signed Off (1)Objection (36)Special Inspection (28)
11/07/2024
Signed off — Full Demolition
Q01096430-I1
10/24/2024
Permit issued — Full Demolition
Q01096430-I1-FD
09/04/2024
Filed — Full Demolition
Q01096430-I1
08/30/2024
Special inspection requirement — Maintenance information
08/30/2024
Special inspection requirement — Protection of exposed foundation insulation
08/27/2024
Special inspection requirement — Heating Systems
08/27/2024
Special inspection requirement — Energy Code Compliance Inspections
08/27/2024
Special inspection requirement — Fire-Resistance Rated Construction
08/27/2024
Special inspection requirement — Insulation placement and R values
08/27/2024
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
08/27/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
08/27/2024
Special inspection requirement — HVAC-R and service water heating system controls
08/27/2024
Special inspection requirement — Air barrier - visual inspection
08/27/2024
Special inspection requirement — Electric vehicle service equipment requirements
08/27/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
08/27/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
08/27/2024
Special inspection requirement — Interior lighting power
08/27/2024
Special inspection requirement — Fenestration air leakage
08/27/2024
Special inspection requirement — Fenestration areas
08/27/2024
Special inspection requirement — HVAC-R and service water heating equipment
08/27/2024
Special inspection requirement — Permanent certificate
08/27/2024
Special inspection requirement — Air barrier — testing
08/27/2024
Special inspection requirement — Ventilation and air distribution system
08/27/2024
Special inspection requirement — Duct leakage testing, insulation and design
08/16/2024
Special inspection requirement — Final
08/16/2024
Special inspection requirement — Mechanical Systems
06/12/2023
Filed — New Building
PROPOSED EARTHWORK & FOUNDATION FOR A SINGLE-FAMILY DWELLING IN CONJUNCTION WITH GC APPLICATION #Q00856400
Q00856400-S3
06/12/2023
Filed — New Building
PROPOSED EARTHWORK & FOUNDATION FOR A SINGLE-FAMILY DWELLING IN CONJUNCTION WITH GC APPLICATION #Q00856400
Q00856400-S2
06/09/2023
Special inspection requirement — Footing and Foundation
06/09/2023
Special inspection requirement — Concrete - Cast-In-Place
06/09/2023
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
06/09/2023
Special inspection requirement — Final
06/09/2023
Special inspection requirement — Subgrade Inspections
05/24/2023
Objection raised — Admin
05/24/2023
Objection resolved — Addressed
05/18/2023
Objection resolved — Addressed
05/16/2023
Objection raised — Admin
05/15/2023
Filed — Full Demolition
THIS JOB IS FILED FOR DEMOLITION OF ONE STORY HOUSE.
Q00869735-I1
05/11/2023
Objection raised — Structural
05/11/2023
Objection resolved — Addressed
05/11/2023
Objection raised — Zoning
05/11/2023
Objection resolved — Addressed
05/11/2023
Objection raised — Inspections
05/11/2023
Objection resolved — Addressed
05/11/2023
Objection raised — Scope
05/11/2023
Objection resolved — Addressed
05/10/2023
Objection raised — Structural
05/10/2023
Objection resolved — Addressed
05/10/2023
Objection raised — Structural
05/10/2023
Objection resolved — Addressed
05/10/2023
Objection raised — Energy
05/10/2023
Objection resolved — Addressed
05/04/2023
Filed — New Building
PROPOSED EARTHWORK & FOUNDATION FOR A SINGLE-FAMILY DWELLING IN CONJUNCTION WITH GC APPLICATION #Q00856400
Q00856400-S1
04/11/2023
Objection raised — Structural
04/11/2023
Objection resolved — Addressed
04/11/2023
Objection raised — Energy
04/11/2023
Objection resolved — Addressed
04/11/2023
Objection raised — Scope
04/11/2023
Objection resolved — Addressed
04/11/2023
Objection raised — Zoning
Latest 60 of 72 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWFull DemolitionSigned-offL&L CONSTRUCTION DEVELOP10/24/2024
1 project · most recent 08/30/2023
FiledStatusContractorScope
08/30/2023CompleteOHM PRO ELECTL CONST CORP1 meters, 1 new_meters
1 project · most recent 06/12/2023
FiledStatusContractorScope
06/12/2023——1 scope_items
▾Special Inspection Requirements (DOB NOW) — 28
DateRequirementInspectorRole
08/30/2024Maintenance information—energy_progress
08/30/2024Protection of exposed foundation insulation—energy_progress
08/27/2024Heating Systems—special
08/27/2024Energy Code Compliance Inspections—progress
08/27/2024Fire-Resistance Rated Construction—progress
08/27/2024Insulation placement and R values—energy_progress
08/27/2024Subsurface Investigations (Borings/Test Pits)—special
08/27/2024Fire-Resistant Penetrations and Joints—special
08/27/2024HVAC-R and service water heating system controls—energy_progress
08/27/2024Air barrier - visual inspection—energy_progress
08/27/2024Electric vehicle service equipment requirements—energy_progress
08/27/2024HVAC-R and service water piping design and insulation—energy_progress
08/27/2024Fenestration and door U-factor and product ratings—energy_progress
08/27/2024Interior lighting power—energy_progress
08/27/2024Fenestration air leakage—energy_progress
08/27/2024Fenestration areas—energy_progress
08/27/2024HVAC-R and service water heating equipment—energy_progress
08/27/2024Permanent certificate—energy_progress
08/27/2024Air barrier — testing —energy_progress
08/27/2024Ventilation and air distribution system—energy_progress
08/27/2024Duct leakage testing, insulation and design—energy_progress
08/16/2024Final—progress
08/16/2024Mechanical Systems—special
06/09/2023Footing and Foundation—progress
06/09/2023Concrete - Cast-In-Place—special
Latest 25 of 28.
▾Documents — 41 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/24/2026Q00869735-I1Request digital key ↗
08/24/2026Q00856400-S2Request digital key ↗
08/24/2026Q00856400-S3Request digital key ↗
Showing 3 of 6 on file for this type
▸Applications & Permits4
▸BISBPP-5 - Authorization to the Department of Transportation2
09/06/2023440780898Open ↗
05/18/2023440780898Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
05/18/2023440780898Open ↗
▸BISApplication Withdrawal/Address Change Form OP-1131
01/24/2024440780898Open ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026Q00856400-I1Open ↗
▸Seals & Professional Certifications6
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/24/2026Q00856400-I1Open ↗
08/24/2026Q00856400-S1Open ↗
08/24/2026Q00856400-S2Open ↗
Showing 3 of 4 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
05/18/2023440780898Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
05/18/2023440780898Open ↗
▸Trade Schedules & Equipment5
▸DOB NOWElectric Cut-Off1
08/13/2026Q01096430-I1Open ↗
▸DOB NOWWater Cut-Off1
08/13/2026Q01096430-I1Open ↗
▸DOB NOWGas Cut-Off1
08/13/2026Q01096430-I1Open ↗
▸DOB NOWSewer Cut-Off1
08/13/2026Q01096430-I1Open ↗
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/13/2026Q00856400-I1Open ↗
▸Safety & Tenant Protection2
▸BISSTREET TREE CHECKLIST1
09/06/2023440780898Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026Q00856400-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/21/2026Q01096430-I1Open ↗
▸DOB NOWRodent Control1
08/13/2026Q01096430-I1Open ↗
▸Inspections & Test Reports1
▸DOB NOWSOIL REPORT1
08/13/2026Q00856400-I1Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
05/18/2023440780898Open ↗
▸Other Documents13
▸BISBPP - SUPPORTING DOCUMENTATION3
09/06/2023440780898Open ↗
05/18/2023440780898Open ↗
05/18/2023440780898Open ↗
▸DOB NOWProperty Ownership Certification3
08/21/2026Q01096430-I1Open ↗
08/15/2026Q00856400-I1Open ↗
08/13/2026Q00869735-I1Open ↗
▸DOB NOWStructure Photographs2
08/13/2026Q00869735-I1Open ↗
08/13/2026Q01096430-I1Open ↗
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
05/18/2023440780898Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026Q00856400-I1Open ↗
▸DOB NOWCommunity Board Notification1
08/13/2026Q01096430-I1Open ↗
▸DOB NOWFull Demo: 10-Day Notice1
08/13/2026Q01096430-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026Q00856400-I1Open ↗