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Two family frame
2490 EAST 21 STREET
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1930Year Built
2Stories
B2Building Class
R4Zoning
2,160 sfGross Floor Area
2Units
0 Open ViolationsFDNY Report ↗
Two family frame · Owner of record: 2490 TANG DYNASTY LLC · 2,625 sf lot · 0.82 FAR built · Flood zone X500
Locations of Work
ArchitecturePlumbing
Cellar3p · 1 filing · 9 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/30/2025$1.3M—Private party → 2490 TANG DYNASTY LLC$602/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
FACTORY ENGINEERING WORKS PLLC207/24/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KON HO LEE CONSULTING ENGINEER PLL403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NY BUILDING ASSOCIATES INGeneral Contractor104/09/2026
CATMAN PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
FACTORY ENGINEERING WORKS8855207/24/2025
Building Lifecycle
All (15)Filed (2)Permit Issued (2)Signed Off (2)Violation (2)Inspection (4)Special Inspection (3)
11/10/2025
Signed off — Alteration
Remove (1) boiler and (1) H.W.H.; Install (2) boiler and (2) H.W.H. in the Cellar. No change in use, occupancy or egress.
B01259028-I1
11/07/2025
Signed off — Alteration
Remove (1) boiler and (1) H.W.H.; Install (2) boiler and (2) H.W.H. in the Cellar. No change in use, occupancy or egress.
B01259028-S1
10/16/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
10/15/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
09/17/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
09/15/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
08/01/2025
Permit issued — General Construction
B01259028-I1-GC
07/31/2025
Permit issued — Plumbing
B01259028-S1-PL
07/24/2025
Filed — Alteration
Remove (1) boiler and (1) H.W.H.; Install (2) boiler and (2) H.W.H. in the Cellar. No change in use, occupancy or egress.
B01259028-I1
07/24/2025
Filed — Alteration
Remove (1) boiler and (1) H.W.H.; Install (2) boiler and (2) H.W.H. in the Cellar. No change in use, occupancy or egress.
B01259028-S1
07/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kui He
07/21/2025
Special inspection requirement — Final
Kui He
07/21/2025
Special inspection requirement — Energy Code Compliance Inspections
Kui He
02/15/2006
Violation issued (ECB, closed)
Construction
05/24/2005
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offNY BUILDING ASSOCIATES IN08/01/2025
DOB NOWPlumbingSigned-offCATMAN PLUMBING INC07/31/2025
Nothing on file for this building.
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
10/16/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
10/15/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
09/17/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
09/15/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 3
DateRequirementInspectorRole
07/21/2025Fire-Resistant Penetrations and JointsKui Hespecial
07/21/2025FinalKui Heprogress
07/21/2025Energy Code Compliance InspectionsKui Heprogress
▾Documents — 9 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/21/2026B01259028-S1Request digital key ↗
08/21/2026B01259028-I1Request digital key ↗
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/13/2026B01259028-I1Open ↗
08/13/2026B01259028-S1Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
09/01/2026B01259028-I1Open ↗
09/01/2026B01259028-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
09/01/2026B01259028-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/13/2026B01259028-I1Open ↗
08/13/2026B01259028-S1Open ↗