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Two family converted from one family
154-50 21 AVENUE
QUEENS · BIN 4107550
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1940Year Built
1.5Stories
B3Building Class
R3AZoning
1,746 sfGross Floor Area
2Units
1 Open Violation ▸
Two family converted from one family · 4,063 sf lot · 0.43 FAR built · Flood zone X
Locations of Work
Architecture
Floor 22p · 1 filing · 6 docs
Floor 1
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/13/2024$1.2M—Private party → Private party$709/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SUNG HO SHIN ARCHITECT, PC307/27/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NY BUILDING ASSOCIATES INGeneral Contractor107/08/2026
Building Lifecycle
All (37)Filed (3)Permit Issued (1)Violation (5)Objection (25)Special Inspection (3)
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/18/2026
Objection raised — Other
09/01/2026
Objection resolved — Addressed
09/01/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Addressed
08/20/2026
Objection resolved — Addressed
08/17/2026
Objection raised — Other
08/17/2026
Objection raised — Other
08/17/2026
Objection raised — Other
08/17/2026
Objection raised — Other
08/17/2026
Objection raised — Other
08/17/2026
Objection raised — Other
07/27/2026
Filed — Alteration
Filing to address ECB violation 39195600J. Remove interior partitions and install new interior partitions as per plans. No change in use, egress or occupancy.
Q01431527-I1
07/27/2026
Filed — Alteration
Filing to address ECB violation 39195600J. Remove interior partitions and install new interior partitions as per plans. No change in use, egress or occupancy.
Q01431527-S1
07/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
07/24/2026
Special inspection requirement — Energy Code Compliance Inspections
07/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
07/10/2026
Violation issued (ECB, open)
Construction
07/06/2026
Permit issued — Construction Fence
Q01421063-I1-FN
06/25/2026
Filed — Alteration
TEMPORARY CONSTRUCTION FENCE (ALT CO EXTENSION APPLICATION FOR HOUSE TO BE FILED LATER)
Q01421063-I1
11/01/1995
Violation issued (ECB, closed)
Construction
06/19/1995
Violation issued (ECB, closed)
Construction
01/19/1995
Violation issued (ECB, closed)
Construction
07/28/1994
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedNY BUILDING ASSOCIATES IN07/06/2026
1 project · most recent 07/27/2026
Gas Water/Sanitary
FiledStatusContractorScope
07/27/2026——Gas, Water/Sanitary
1 project · most recent 06/25/2026
Fence
FiledStatusContractorScope
06/25/2026Permit IssuedNY BUILDING ASSOCIATES INFence
▾Special Inspection Requirements (DOB NOW) — 3
DateRequirementInspectorRole
07/24/2026Fire-Resistant Penetrations and Joints—special
07/24/2026Energy Code Compliance Inspections—progress
07/24/2026Fire-Resistant Penetrations and Joints—special
▾Documents — 8 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/16/2026Q01421063-I1Request digital key ↗
08/16/2026Q01431527-S1Request digital key ↗
08/16/2026Q01431527-I1Request digital key ↗
▸Seals & Professional Certifications3
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/16/2026Q01421063-I1Open ↗
08/16/2026Q01431527-I1Open ↗
08/16/2026Q01431527-S1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/16/2026Q01431527-I1Open ↗
08/16/2026Q01431527-S1Open ↗