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Two stories - detached, small or mid-size
249-23 51 AVENUE
QUEENS · BIN 4171126
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1940Year Built
2Stories
A1Building Class
R2Zoning
3,293 sfGross Floor Area
1Units
0 Open ViolationsFDNY Report ↗
Two stories - detached, small or mid-size · 5,100 sf lot · 0.65 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralCivil
Floor 22p · 3 filings · 20 docs
Floor 11p · 2 filings · 20 docs
Cellar3p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PAN LINK CONSTRUCTION203/22/2026
SPLEN CONSTRUCTION103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
03/09/2020$835K—Private party → Private party$254/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
AMERILAND BROOK LLC1108/01/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
L&L CONSTRUCTION DEVELOPGeneral Contractor1107/08/2026
SPLEN CONSTRUCTION INCGeneral Contractor407/08/2026
PAN LINK CONSTRUCTION INCGeneral Contractor303/21/2026
HP SERVICES INCPlumbing107/08/2026
XH&RC PLBG AND HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AMERILAND BROOK LLC1506908/01/2025
Building Lifecycle
All (65)Filed (10)Permit Issued (10)Signed Off (5)Violation (3)Inspection (7)Special Inspection (30)
10/29/2025
Signed off — ALT-CO - New Building with Existing Elements to Remain
VERTICAL & HORIZONTAL EXTENSION OF EXISTING ONE FAMILY HOUSE. OBTAIN NEW C OF O.
Q00489957-I1
09/12/2025
Special inspection requirement — Interior lighting power
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Chimneys and vents
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Final
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Permanent certificate
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Insulation placement and R values
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Masonry
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Structural Steel - Details
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Subgrade Inspections
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Fire-Resistance Rated Construction
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Electric vehicle service equipment requirements
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Maintenance information
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Air barrier — testing
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Fenestration areas
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Structural Steel - High Strength Bolting
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Structural Steel - Welding
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Concrete - Cast-In-Place
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Concrete - Precast
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Energy Code Compliance Inspections
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Footing and Foundation
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Air barrier - visual inspection
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Fenestration air leakage
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Metering
XIAOHONG ZHAO
09/12/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
XIAOHONG ZHAO
08/01/2025
Filed — ALT-CO - New Building with Existing Elements to Remain
VERTICAL & HORIZONTAL EXTENSION OF EXISTING ONE FAMILY HOUSE. OBTAIN NEW C OF O.
Q00489957-P5
07/10/2025
Special inspection requirement — Chimneys and vents
XIAOHONG ZHAO
07/10/2025
Special inspection requirement — Concrete - Cast-In-Place
XIAOHONG ZHAO
08/23/2024
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
08/06/2024
Signed off — Alteration
FILE PL WORKTYPE IN CONJUNCTION WITH JOB# Q00489957
Q00504733-I1
08/06/2024
Signed off — Alteration
Q00505700-I1
08/06/2024
Signed off — Alteration
INSTALL 10' DROP CURB WITH 1'-6" SPLAY ON BOTH SIDE IN CONJUNCTION WITH JOB# Q00489957
Q00734634-I1
08/05/2024
Signed off — Alteration
Q00612510-I1
06/28/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
06/28/2024
Inspection — Pass-Final Curb Cut Non-Directive 14
Pass
View inspection ↗
06/17/2024
Permit issued — Earth Work
Q00489957-I1-GC-CX
06/13/2024
Permit issued — Mechanical Systems
Q00505700-I1-MS
06/05/2024
Permit issued — Curb Cut
Q00734634-I1-CC
05/28/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
VERTICAL & HORIZONTAL EXTENSION OF EXISTING ONE FAMILY HOUSE. OBTAIN NEW C OF O.
Q00489957-P3
04/23/2024
Permit issued — Plumbing
Q00504733-I1-PL
02/17/2023
Permit issued — Construction Fence
Q00612510-I1-FN
01/30/2023
Violation issued (ECB, closed)
Construction
12/07/2022
Permit issued — Earth Work
Q00489957-I1-GC-CX
12/07/2022
Violation issued (ECB, closed)
Construction
12/07/2022
Violation issued (ECB, closed)
Construction
11/19/2022
Permit issued — Foundation
Q00489957-I1-GC-CX
10/28/2022
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
10/28/2022
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
10/28/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
10/28/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
10/06/2022
Filed — Alteration
FILE PL WORKTYPE IN CONJUNCTION WITH JOB# Q00489957
Q00504733-P2
09/22/2022
Permit issued — Plumbing
Q00504733-I1-PL
09/14/2022
Filed — Alteration
FILE PL WORKTYPE IN CONJUNCTION WITH JOB# Q00489957
Q00504733-P1
05/10/2022
Filed — Alteration
INSTALL 10' DROP CURB WITH 1'-6" SPLAY ON BOTH SIDE IN CONJUNCTION WITH JOB# Q00489957
Q00734634-I1
05/03/2022
Filed — ALT-CO - New Building with Existing Elements to Remain
VERTICAL & HORIZONTAL EXTENSION OF EXISTING ONE FAMILY HOUSE. OBTAIN NEW C OF O.
Q00489957-P1
04/14/2022
Permit issued — Foundation
Q00489957-I1-GC-CX
Latest 60 of 65 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWEarth WorkPermit IssuedL&L CONSTRUCTION DEVELOP06/17/2024
DOB NOWMechanical SystemsSigned-offL&L CONSTRUCTION DEVELOP06/13/2024
DOB NOWCurb CutSigned-offL&L CONSTRUCTION DEVELOP06/05/2024
DOB NOWPlumbingSigned-offHP SERVICES INC04/23/2024
DOB NOWConstruction FenceSigned-offL&L CONSTRUCTION DEVELOP02/17/2023
DOB NOWEarth WorkPermit IssuedL&L CONSTRUCTION DEVELOP12/07/2022
DOB NOWFoundationPermit IssuedPAN LINK CONSTRUCTION INC11/19/2022
DOB NOWPlumbingSigned-offXH&RC PLBG AND HTG INC09/22/2022
DOB NOWFoundationPermit IssuedSPLEN CONSTRUCTION INC04/14/2022
DOB NOWConstruction FenceSigned-offSPLEN CONSTRUCTION INC11/09/2021
1 project · most recent 07/22/2022
General Wiring
FiledStatusContractorScope
07/22/2022CompleteA.C. MORGAN ELECTRICGeneral Wiring
1 project · most recent 08/01/2025
FiledStatusContractorScope
08/01/2025Permit IssuedL&L CONSTRUCTION DEVELOP4 scope_items
▾Field Inspections (DOB CAP) — 7
DateTypeResultReport
08/23/2024Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
06/28/2024Pass-Final CND-Occupancy InspectionPassView ↗
06/28/2024Pass-Final Curb Cut Non-Directive 14PassView ↗
10/28/2022Certified Gas-Gas-Piping-RoughingCertifiedView ↗
10/28/2022Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
10/28/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/28/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 130
DateRequirementInspectorRole
09/12/2025Insulation placement and R valuesXIAOHONG ZHAOenergy_progress
09/12/2025Excavations - Sheeting, Shoring, and BracingXIAOHONG ZHAOspecial
09/12/2025Structural Stability – Alterations of existing buildingsXIAOHONG ZHAOspecial
09/12/2025Structural Steel - High Strength BoltingXIAOHONG ZHAOspecial
09/12/2025Structural Steel - WeldingXIAOHONG ZHAOspecial
09/12/2025MasonryXIAOHONG ZHAOspecial
09/12/2025Concrete - Cast-In-PlaceXIAOHONG ZHAOspecial
09/12/2025Concrete - PrecastXIAOHONG ZHAOspecial
09/12/2025Structural Steel - DetailsXIAOHONG ZHAOspecial
09/12/2025Chimneys and ventsXIAOHONG ZHAOspecial
09/12/2025Fire-Resistant Penetrations and JointsXIAOHONG ZHAOspecial
09/12/2025Private On-Site Storm Water Disposal Systems-, and Detention Facilities, InstallationXIAOHONG ZHAOspecial
09/12/2025Subgrade InspectionsXIAOHONG ZHAOspecial
09/12/2025Energy Code Compliance InspectionsXIAOHONG ZHAOprogress
09/12/2025Footing and FoundationXIAOHONG ZHAOprogress
09/12/2025Fire-Resistance Rated ConstructionXIAOHONG ZHAOprogress
09/12/2025FinalXIAOHONG ZHAOprogress
09/12/2025Interior lighting powerXIAOHONG ZHAOenergy_progress
09/12/2025Fenestration and door U-factor and product ratingsXIAOHONG ZHAOenergy_progress
09/12/2025Air barrier - visual inspectionXIAOHONG ZHAOenergy_progress
09/12/2025Electric vehicle service equipment requirementsXIAOHONG ZHAOenergy_progress
09/12/2025HVAC-R and service water piping design and insulationXIAOHONG ZHAOenergy_progress
09/12/2025Fenestration air leakageXIAOHONG ZHAOenergy_progress
09/12/2025Maintenance informationXIAOHONG ZHAOenergy_progress
09/12/2025Permanent certificateXIAOHONG ZHAOenergy_progress
Latest 25 of 130.
▾Documents — 92 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch11
08/27/2026Q00505700-I1Request digital key ↗
08/27/2026Q00612510-I1Request digital key ↗
08/26/2026Q00489957-P5Request digital key ↗
Showing 3 of 11 on file for this type
▸Applications & Permits1
▸BISBPP-5 - Authorization to the Department of Transportation1
05/13/2022440679320Open ↗
▸Zoning, Tax Lot & Property Records9
▸DOB NOWZD1: DOB Zoning Diagram5
08/13/2026Q00489957-P3Open ↗
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00489957-P4Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWZoning Exhibit form (1-5)3
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00489957-P5Open ↗
08/13/2026Q00489957-P4Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026Q00489957-I1Open ↗
▸Seals & Professional Certifications30
▸DOB NOWProgress Inspector Seal & Signature12
09/02/2026Q00489957-P5Open ↗
09/02/2026Q00489957-P5Open ↗
08/27/2026Q00489957-P1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature11
08/27/2026Q00505700-I1Open ↗
08/27/2026Q00612510-I1Open ↗
08/26/2026Q00489957-P1Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/02/2026Q00489957-P5Open ↗
08/27/2026Q00489957-P1Open ↗
08/26/2026Q00504733-P2Open ↗
Showing 3 of 6 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
06/23/2021440679320Open ↗
▸Trade Schedules & Equipment5
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)5
08/13/2026Q00489957-P3Open ↗
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00489957-P1Open ↗
Showing 3 of 5 on file for this type
▸Safety & Tenant Protection5
▸BISSTREET TREE CHECKLIST2
10/31/2024440679320Open ↗
06/23/2021440679320Open ↗
▸DOB NOWStreet Trees Site Plan1
08/13/2026Q00489957-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026Q00489957-I1Open ↗
▸DOB NOWStreet Tree Sign Off1
08/13/2026Q00489957-I1Open ↗
▸Energy Compliance3
▸DOB NOWEN2: As Built Energy Analysis.3
08/13/2026Q00504733-I1Open ↗
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00505700-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸BISBPP-8 - Request Items for Builders Pavement Plan Signoff1
11/01/2024440679320Open ↗
▸Cost, Insurance & Ownership3
▸BISBPP-11 - Affidavit as to Roadway Pavement And/Or Sidewalk and Curb Construction1
10/31/2024440679320Open ↗
▸DOB NOWCertification by Insurance Broker or Agency1
08/13/2026Q00489957-I1Open ↗
▸DOB NOWCertificate of Insurance1
08/13/2026Q00489957-I1Open ↗
▸Filing & Intake Forms2
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
06/24/2021440679320Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
06/24/2021440679320Open ↗
▸Other Documents22
▸DOB NOWPlot Diagram5
08/13/2026Q00489957-P4Open ↗
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00489957-P5Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5
08/13/2026Q00489957-P5Open ↗
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00489957-P1Open ↗
Showing 3 of 5 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION4
10/31/2024440679320Open ↗
10/31/2024440679320Open ↗
10/31/2024440679320Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSite Survey: Initial4
08/13/2026Q00489957-I1Open ↗
08/13/2026Q00489957-P4Open ↗
08/13/2026Q00489957-P5Open ↗
Showing 3 of 4 on file for this type
▸BISBPP: PHOTOS-SIGNED/SEALED BY APPLICANT1
05/13/2022440679320Open ↗
▸DOB NOWAdditional Insured Authorizations1
08/13/2026Q00489957-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026Q00489957-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026Q00489957-I1Open ↗