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One family attached or semi-detached
1149 MASON AVENUE
STATEN ISLAND · BIN 5157441
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2009Year Built
3Stories
A5Building Class
R3-1Zoning
2,140 sfGross Floor Area
1Units
One family attached or semi-detached · 2,260 sf lot · 0.95 FAR built · Flood zone AE
Locations of Work
Architecture
Roof1p · 1 filing · 8 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
HYLAN BUILDERS OF STATEN ISLAND303/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Alan Yang Architecture DPC112/18/2024
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
AI FANG WUElectrical103/21/2026
LEADING GREEN ENERGY CONGeneral Contractor104/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ALAN YANG ARCHITECTURE9490112/18/2024
Building Lifecycle
All (8)Filed (1)Permit Issued (1)Signed Off (1)Special Inspection (5)
10/23/2025
Signed off — Alteration
S01126659-I1
04/04/2025
Permit issued — Solar
S01126659-I1-SL
12/18/2024
Filed — Alteration
S01126659-I1
10/14/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Alan Yang
10/14/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Alan Yang
10/14/2024
Special inspection requirement — Energy Code Compliance Inspections
Alan Yang
10/14/2024
Special inspection requirement — Final
Alan Yang
10/14/2024
Special inspection requirement — Air barrier - visual inspection
Alan Yang
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offLEADING GREEN ENERGY CON04/04/2025
BIS—ISSUEDHYLAN BUILDERS OF SI INC08/14/2009
BISPLISSUEDPARKSET PLUMBING CO INC06/17/2009
BIS—ISSUEDHYLAN BUILDERS OF SI INC04/15/2009
1 project · most recent 04/02/2025
FiledStatusContractorScope
04/02/2025CompleteKWONG MING ELECTRIC INC—
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
10/14/2024Fire-Resistant Penetrations and JointsAlan Yangspecial
10/14/2024Structural Stability – Alterations of existing buildingsAlan Yangspecial
10/14/2024Energy Code Compliance InspectionsAlan Yangprogress
10/14/2024FinalAlan Yangprogress
10/14/2024Air barrier - visual inspectionAlan Yangenergy_progress
▾Documents — 8 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/20/2026S01126659-I1Request digital key ↗
▸Seals & Professional Certifications6
▸DOB NOWProgress Inspector Seal & Signature3
08/25/2026S01126659-I1Open ↗
08/25/2026S01126659-I1Open ↗
08/25/2026S01126659-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/25/2026S01126659-I1Open ↗
08/25/2026S01126659-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026S01126659-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026S01126659-I1Open ↗