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One family attached or semi-detached
20 ALEXANDER AVENUE
STATEN ISLAND · BIN 5076379
💬 Discuss this project
1980Year Built
2Stories
A5Building Class
R3-1Zoning
2,088 sfGross Floor Area
1Units
One family attached or semi-detached · 3,000 sf lot · 0.7 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalPlumbing
Floor 26p · 1 filing · 20 docs
Floor 18p · 1 filing · 20 docs
Cellar9p · 1 filing · 20 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
FLUSHING ENGINEERING SERVICE PC312/30/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HAOTIAN & ASSOCIATES INC.303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
2022 A N J CONSTRUCTION *General Contractor107/08/2026
HP SERVICES INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
FLUSHING ENGINEERING SERV4373209/12/2024
Building Lifecycle
All (32)Filed (3)Permit Issued (2)Inspection (3)Objection (8)Special Inspection (16)
12/30/2024
Filed — Alteration CO
FILE PLUMBING WORK TPYE AS PER PLAN HEREWITH IN CONJUNCTION TO ALT CO APPLICAITON S00967889-I1.
S00967889-S4
12/18/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
10/15/2024
Permit issued — Plumbing
S00967889-S2-PL
09/12/2024
Filed — Alteration CO
FILE PLUMBING WORK TPYE AS PER PLAN HEREWITH IN CONJUNCTION TO ALT CO APPLICAITON S00967889-I1.
S00967889-S2
09/11/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
KY FU
09/11/2024
Special inspection requirement — Energy Code Compliance Inspections
KY FU
09/11/2024
Special inspection requirement — HVAC-R and service water heating equipment
KY FU
09/11/2024
Special inspection requirement — Maintenance information
KY FU
09/11/2024
Special inspection requirement — HVAC-R and service water heating system controls
KY FU
09/11/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
KY FU
06/14/2024
Permit issued — General Construction
S00967889-I1-GC
05/15/2024
Objection resolved — Addressed
05/07/2024
Objection resolved — Addressed
04/10/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
04/10/2024
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
03/19/2024
Objection resolved — Addressed
03/19/2024
Objection resolved — Addressed
03/12/2024
Objection raised — Other
03/12/2024
Objection raised — Other
03/12/2024
Objection raised — Other
03/11/2024
Objection raised — Other
01/03/2024
Filed — Alteration CO
FILE PLUMBING WORK TPYE AS PER PLAN HEREWITH IN CONJUNCTION TO ALT CO APPLICAITON S00967889-I1.
S00967889-I1
11/27/2023
Special inspection requirement — Fenestration air leakage
KY FU
11/27/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
KY FU
11/27/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
KY FU
11/27/2023
Special inspection requirement — Fenestration areas
KY FU
11/27/2023
Special inspection requirement — Lighting in dwelling units
KY FU
11/27/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
KY FU
11/27/2023
Special inspection requirement — Energy Code Compliance Inspections
KY FU
11/27/2023
Special inspection requirement — Fire-Resistance Rated Construction
KY FU
11/27/2023
Special inspection requirement — Air barrier - visual inspection
KY FU
11/27/2023
Special inspection requirement — Insulation placement and R values
KY FU
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedHP SERVICES INC10/15/2024
DOB NOWGeneral ConstructionPermit Issued2022 A N J CONSTRUCTION06/14/2024
1 project · most recent 09/04/2024
General Wiring
FiledStatusContractorScope
09/04/2024Permit IssuedKJK ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
12/18/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
04/10/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
04/10/2024Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 16
DateRequirementInspectorRole
09/11/2024Fire-Resistant Penetrations and JointsKY FUspecial
09/11/2024Energy Code Compliance InspectionsKY FUprogress
09/11/2024HVAC-R and service water heating equipmentKY FUenergy_progress
09/11/2024Maintenance informationKY FUenergy_progress
09/11/2024HVAC-R and service water heating system controlsKY FUenergy_progress
09/11/2024HVAC-R and service water piping design and insulationKY FUenergy_progress
11/27/2023Fenestration air leakageKY FUenergy_progress
11/27/2023Fenestration and door U-factor and product ratingsKY FUenergy_progress
11/27/2023Fire-Resistant Penetrations and JointsKY FUspecial
11/27/2023Fenestration areasKY FUenergy_progress
11/27/2023Lighting in dwelling unitsKY FUenergy_progress
11/27/2023Structural Stability – Alterations of existing buildingsKY FUspecial
11/27/2023Energy Code Compliance InspectionsKY FUprogress
11/27/2023Fire-Resistance Rated ConstructionKY FUprogress
11/27/2023Air barrier - visual inspectionKY FUenergy_progress
11/27/2023Insulation placement and R valuesKY FUenergy_progress
▾Documents — 21 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/21/2026S00967889-S4Request digital key ↗
08/21/2026S00967889-I1Request digital key ↗
08/21/2026S00967889-S2Request digital key ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026S00967889-I1Open ↗
▸Seals & Professional Certifications12
▸DOB NOWProgress Inspector Seal & Signature7
08/27/2026S00967889-S2Open ↗
08/27/2026S00967889-S2Open ↗
08/27/2026S00967889-S2Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/13/2026S00967889-S4Open ↗
08/13/2026S00967889-S2Open ↗
08/13/2026S00967889-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/27/2026S00967889-S2Open ↗
08/26/2026S00967889-I1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/13/2026S00967889-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/13/2026S00967889-I1Open ↗
08/13/2026S00967889-S2Open ↗
▸Other Documents2
▸DOB NOWProperty Ownership Certification1
08/13/2026S00967889-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026S00967889-I1Open ↗