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Two family frame
150-23 21 AVENUE
QUEENS · BIN 4106513
💬 Discuss this project
1955Year Built
1.67Stories
B2Building Class
R3AZoning
2,122 sfGross Floor Area
2Units
Two family frame · 5,000 sf lot · 0.42 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalFire ProtectionCivil
Permit Issued — active, not yet Signed-off
RoofUnder Construction3p · 2 filings · 20 docs
Floor 2Under Construction5p · 1 filing · 20 docs
Floor 1Under Construction5p · 1 filing · 20 docs
CellarUnder Construction5p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/01/2025$1.4M—Private party → Private party$639/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MEI ARCHITECT PLLC707/30/2026
SQUARE ARCH, LLC104/24/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ALPHA HOME DESIGN LLC1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
L&L CONSTRUCTION DEVELOPGeneral Contractor1109/07/2026
AMERGY SOLAR INCGeneral Contractor207/08/2026
CASE PLUMBING LLCFire Protection107/04/2026
CATMAN PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802104/24/2026
MEHDI GHAZI, P.E. P.C.7129504/07/2026
TRIANGLE INSPECTION & TES7495204/07/2026
Building Lifecycle
All (53)Filed (8)Permit Issued (11)Inspection (4)Special Inspection (30)
09/03/2026
Permit issued — Mechanical Systems
Q01206933-I1-GC
07/30/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
INSTALLATION PLUMBING AND SPRINKLER SYSTEM AS PER PLAN FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01206933-S5
05/28/2026
Permit issued — Solar
Q01389580-I1-SL
05/14/2026
Permit issued — Construction Fence
Q01214975-I1-FN
04/27/2026
Permit issued — Solar
Q01389580-I1-SL
04/24/2026
Filed — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
Q01389580-I1
04/19/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
04/19/2026
Special inspection requirement — Air barrier - visual inspection
Chun Feng
04/19/2026
Special inspection requirement — Final
Chun Feng
04/19/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
04/15/2026
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
04/15/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/08/2026
Special inspection requirement — Sprinkler Systems
MEHDI GHAZI
04/08/2026
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
MEHDI GHAZI
04/08/2026
Special inspection requirement — Energy Code Compliance Inspections
MEHDI GHAZI
04/08/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
MEHDI GHAZI
04/08/2026
Special inspection requirement — HVAC-R and service water heating system controls
MEHDI GHAZI
04/08/2026
Special inspection requirement — HVAC-R and service water heating equipment
MEHDI GHAZI
04/08/2026
Special inspection requirement — Soil Percolation Test - Private On-Site Storm Water Drainage Disposal Systems, and Detention Facilities
Rajasekhar Sakhamuri
04/08/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
MEHDI GHAZI
04/07/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
INSTALLATION PLUMBING AND SPRINKLER SYSTEM AS PER PLAN FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01206933-P1
04/03/2026
Special inspection requirement — HVAC-R and service water heating system controls
MEHDI GHAZI
04/03/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
MEHDI GHAZI
04/03/2026
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
MEHDI GHAZI
04/03/2026
Special inspection requirement — Soil Percolation Test - Private On-Site Storm Water Drainage Disposal Systems, and Detention Facilities
Rajasekhar Sakhamuri
04/03/2026
Special inspection requirement — Sprinkler Systems
MEHDI GHAZI
04/03/2026
Special inspection requirement — Energy Code Compliance Inspections
MEHDI GHAZI
04/03/2026
Special inspection requirement — HVAC-R and service water heating equipment
MEHDI GHAZI
04/03/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
MEHDI GHAZI
04/01/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
10/10/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
10/09/2025
Permit issued — Earth Work
Q01206933-S3-FO-EA
08/27/2025
Permit issued — Sprinklers
Q01206933-S2-PL
08/27/2025
Permit issued — Sprinklers
Q01206933-S2-EW-SP
08/26/2025
Permit issued — Structural
Q01206933-S4-ST
08/26/2025
Permit issued — General Construction
Q01206933-I1-GC
08/26/2025
Permit issued — General Construction
Q01206933-I1-MS
08/21/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
INSTALLATION PLUMBING AND SPRINKLER SYSTEM AS PER PLAN FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01206933-S3
08/21/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
INSTALLATION PLUMBING AND SPRINKLER SYSTEM AS PER PLAN FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01206933-S2
08/21/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
INSTALLATION PLUMBING AND SPRINKLER SYSTEM AS PER PLAN FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01206933-S4
08/07/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
MEHDI GHAZI
08/07/2025
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Rajasekhar Sakhamuri
08/07/2025
Special inspection requirement — Subgrade Inspections
MEHDI GHAZI
08/07/2025
Special inspection requirement — Concrete - Cast-In-Place
MEHDI GHAZI
08/04/2025
Special inspection requirement — Final
MEHDI GHAZI
08/04/2025
Special inspection requirement — Footing and Foundation
MEHDI GHAZI
06/04/2025
Permit issued — Construction Fence
Q01214975-I1-FN
06/03/2025
Filed — Alteration
INSTALLATION OF CONSTRUCTION FENCE AS PER THE PLANS FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01214975-I1
05/02/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
INSTALLATION PLUMBING AND SPRINKLER SYSTEM AS PER PLAN FILED HEREWITH. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Q01206933-I1
05/01/2025
Special inspection requirement — HVAC-R and service water heating equipment
MEHDI GHAZI
05/01/2025
Special inspection requirement — Duct leakage testing, insulation and design
MEHDI GHAZI
05/01/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
MEHDI GHAZI
05/01/2025
Special inspection requirement — HVAC-R and service water heating system controls
MEHDI GHAZI
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedL&L CONSTRUCTION DEVELOP09/03/2026
DOB NOWSolarPermit IssuedAMERGY SOLAR INC05/28/2026
DOB NOWConstruction FencePermit IssuedL&L CONSTRUCTION DEVELOP05/14/2026
DOB NOWSolarPermit IssuedAMERGY SOLAR INC04/27/2026
DOB NOWEarth WorkPermit IssuedL&L CONSTRUCTION DEVELOP10/09/2025
DOB NOWSprinklersPermit IssuedCATMAN PLUMBING INC08/27/2025
DOB NOWSprinklersPermit IssuedS & L PLUMBING INC08/27/2025
DOB NOWStructuralPermit IssuedL&L CONSTRUCTION DEVELOP08/26/2025
DOB NOWGeneral ConstructionPermit IssuedL&L CONSTRUCTION DEVELOP08/26/2025
DOB NOWGeneral ConstructionPermit IssuedL&L CONSTRUCTION DEVELOP08/26/2025
DOB NOWConstruction FencePermit IssuedL&L CONSTRUCTION DEVELOP06/04/2025
1 project · most recent 07/30/2026
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
07/30/2026Permit IssuedL&L CONSTRUCTION DEVELOPHeating and Air Conditioning Systems
Heat / Cool
Goodman GSZH504810 48,000 BTU · Heat Pump Outdoor ×4
1 project · most recent 07/30/2026
Storm Water/Sanitary
FiledStatusContractorScope
07/30/2026Permit IssuedCATMAN PLUMBING INCStorm, Water/Sanitary
3 projects · most recent 04/23/2026
General Wiring Lighting
FiledStatusContractorScope
04/23/2026Permit IssuedI.P. ELECTRIC INC—
01/06/2026Permit IssuedHI-RITE ELECTRIC CORPGeneral Wiring, Lighting
09/15/2025Permit IssuedHI-RITE ELECTRIC CORP—
1 project · most recent 04/24/2026
FiledStatusContractorScope
04/24/2026Permit IssuedAMERGY SOLAR INC32 panels, 14.08 kw, 1,849 roof_area_sqft
1 project · most recent 06/03/2025
Fence
FiledStatusContractorScope
06/03/2025Permit IssuedL&L CONSTRUCTION DEVELOPFence
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
04/15/2026Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
04/15/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/01/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/10/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 51
DateRequirementInspectorRole
04/19/2026Fire-Resistant Penetrations and JointsChun Fengspecial
04/19/2026Air barrier - visual inspectionChun Fengenergy_progress
04/19/2026FinalChun Fengprogress
04/19/2026Energy Code Compliance InspectionsChun Fengprogress
04/08/2026Sprinkler SystemsMEHDI GHAZIspecial
04/08/2026Private On-Site Storm Water Disposal Systems-, and Detention Facilities, InstallationMEHDI GHAZIspecial
04/08/2026Energy Code Compliance InspectionsMEHDI GHAZIprogress
04/08/2026HVAC-R and service water piping design and insulationMEHDI GHAZIenergy_progress
04/08/2026HVAC-R and service water heating system controlsMEHDI GHAZIenergy_progress
04/08/2026HVAC-R and service water heating equipmentMEHDI GHAZIenergy_progress
04/08/2026Soil Percolation Test - Private On-Site Storm Water Drainage Disposal Systems, and Detention FacilitiesRajasekhar Sakhamurispecial
04/08/2026Fire-Resistant Penetrations and JointsMEHDI GHAZIspecial
04/03/2026HVAC-R and service water heating system controlsMEHDI GHAZIenergy_progress
04/03/2026Fire-Resistant Penetrations and JointsMEHDI GHAZIspecial
04/03/2026Private On-Site Storm Water Disposal Systems-, and Detention Facilities, InstallationMEHDI GHAZIspecial
04/03/2026Soil Percolation Test - Private On-Site Storm Water Drainage Disposal Systems, and Detention FacilitiesRajasekhar Sakhamurispecial
04/03/2026Sprinkler SystemsMEHDI GHAZIspecial
04/03/2026Energy Code Compliance InspectionsMEHDI GHAZIprogress
04/03/2026HVAC-R and service water heating equipmentMEHDI GHAZIenergy_progress
04/03/2026HVAC-R and service water piping design and insulationMEHDI GHAZIenergy_progress
08/07/2025Excavations - Sheeting, Shoring, and BracingMEHDI GHAZIspecial
08/07/2025Subsurface Investigations (Borings/Test Pits)Rajasekhar Sakhamurispecial
08/07/2025Subgrade InspectionsMEHDI GHAZIspecial
08/07/2025Concrete - Cast-In-PlaceMEHDI GHAZIspecial
08/04/2025FinalMEHDI GHAZIprogress
Latest 25 of 51.
▾Documents — 51 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/20/2026Q01214975-I1Request digital key ↗
08/19/2026Q01206933-I1Request digital key ↗
08/19/2026Q01206933-P1Request digital key ↗
Showing 3 of 8 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram1
08/19/2026Q01206933-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/19/2026Q01206933-I1Open ↗
▸Seals & Professional Certifications27
▸DOB NOWProgress Inspector Seal & Signature10
09/27/2026Q01389580-I1Open ↗
09/27/2026Q01389580-I1Open ↗
09/27/2026Q01389580-I1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature9
09/27/2026Q01389580-I1Open ↗
09/23/2026Q01206933-I1Open ↗
09/23/2026Q01206933-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/20/2026Q01214975-I1Open ↗
08/19/2026Q01206933-P1Open ↗
08/19/2026Q01206933-S5Open ↗
Showing 3 of 8 on file for this type
▸Trade Schedules & Equipment1
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/19/2026Q01206933-I1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/19/2026Q01206933-P1Open ↗
08/19/2026Q01206933-S4Open ↗
08/19/2026Q01206933-S3Open ↗
Showing 3 of 5 on file for this type
▸Inspections & Test Reports4
▸DOB NOWSOIL REPORT2
08/19/2026Q01206933-I1Open ↗
08/19/2026Q01206933-S3Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram2
08/19/2026Q01206933-I1Open ↗
08/19/2026Q01206933-S3Open ↗
▸Other Documents4
▸DOB NOWSite Survey: Initial1
08/19/2026Q01206933-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/19/2026Q01206933-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/19/2026Q01206933-S3Open ↗
▸DOB NOWProperty Ownership Certification1
08/19/2026Q01206933-I1Open ↗