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BuildNYC
All parking garages
245 21ST STREET
BROOKLYN · BIN 3017421
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1931Year Built
1Stories
G1Building Class
R6AZoning
1,700 sfGross Floor Area
1Units
2 Active Violations ▸FDNY Report ↗
All parking garages · Owner of record: 245 21st Street · 1,703 sf lot · 1 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentCivilGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
RoofProposed cellar, 1st & 2nd floor plumbingUnder Construction26p · 5 filings · 20 docs
BulkheadWet methods and HEPA vacuumingUnder Construction2p · 2 filings · 7 docs
PenthouseResidential sprinkler system installationUnder Construction29p · 5 filings · 20 docs
Floor 4Residential sprinkler system installationUnder Construction28p · 6 filings · 20 docs
Floor 3Residential sprinkler system installationUnder Construction32p · 6 filings · 20 docs
Floor 2Residential sprinkler system installationUnder Construction29p · 6 filings · 20 docs
Floor 1Residential sprinkler system installationUnder Construction28p · 6 filings · 20 docs
CellarResidential sprinkler system installationUnder Construction44p · 7 filings · 20 docs
Site & exteriorProposed cellar, 1st & 2nd floor plumbingUnder Construction22p · 4 filings · 20 docs
Filed — no permit issuedTemporary construction fence installation1p · 1 filing · 2 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
245 21st Street103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/19/2020$1000K—Private party → 245 21ST STREET LLC$588/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Basic Groups1303/09/2026
FL&M Engineering Design & Inspection310/22/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Basic Groups2603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HY Design & DevelopmentGeneral Contractor909/16/2026
MC SuperstructureScaffold307/08/2026
Northeast Specialist GroupScaffold203/21/2026
Dynamic Plumbing & SprinklerFire Protection209/30/2026
Rock E Small Plumbing & HeatingPlumbing209/13/2026
HY Design & DevelopmentScaffold107/08/2026
Plumbing NYCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Bealin Groups9869203/09/2026
Pcmarchitects2812308/26/2025
Just Consulting Engineering5865507/23/2025
Jian Engineering7397109/21/2022
Building Lifecycle
All (104)Filed (16)Permit Issued (16)Signed Off (2)Violation (14)Inspection (6)Objection (20)Special Inspection (30)
09/29/2026
Permit issued — Sprinklers
B00788394-I1-EW-SP
09/15/2026
Permit issued — General Construction
B00612705-I1-GC
09/11/2026
Permit issued — Plumbing
B00622599-I1-PL
06/10/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
06/05/2026
Permit issued — Plumbing
B50122896-I1-PL
04/17/2026
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
04/17/2026
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
03/18/2026
Special inspection requirement — Energy Code Compliance Inspections
Sugnam Chang
03/18/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIAOJUN WANG
03/09/2026
Filed — Alteration
SUBMIT PLUMBING PLAN IN CONJUNCTION WITH NB APPLICATION #B00612705-I1.
B00622599-P3
03/09/2026
Violation issued (ECB, closed)
Construction
03/09/2026
Violation issued (ECB, closed)
Unknown
03/09/2026
Violation issued (ECB, closed)
Construction
03/09/2026
Violation issued (ECB, closed)
Construction
03/09/2026
Violation issued (ECB, closed)
Construction
03/06/2026
Special inspection requirement — Energy Code Compliance Inspections
Sugnam Chang
03/06/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
ANDREW GOODRICH
03/03/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
03/03/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/03/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
02/13/2026
Objection resolved — Addressed
01/27/2026
Objection raised — Cost
01/16/2026
Filed — Alteration
SUBMIT PLUMBING PLAN IN CONJUNCTION WITH NB APPLICATION #B00612705-I1.
B00622599-P1
01/12/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
ANDREW GOODRICH
01/12/2026
Special inspection requirement — Energy Code Compliance Inspections
Sugnam Chang
12/06/2025
Violation issued (ECB, closed)
Unknown
12/06/2025
Violation issued (ECB, closed)
Construction
12/06/2025
Violation issued (ECB, closed)
Unknown
12/03/2025
Permit issued — Sprinklers
B00788394-I1-EW-SP
11/28/2025
Permit issued — Mechanical Systems
B00622604-I1-MS
10/22/2025
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AND PIPE SCAFFOLD AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01243113-P2
10/15/2025
Violation issued (ECB, closed)
Unknown
10/15/2025
Violation issued (ECB, closed)
Construction
10/13/2025
Violation issued (ECB, closed)
Construction
10/13/2025
Violation issued (ECB, closed)
Unknown
10/10/2025
Signed off — Alteration
B00797992-I1
10/03/2025
Signed off — New Building
FILING FOR FO WORK IN CONJUNCTION WITH NB APPLICATION #B00612705-I1.
B00612705-S1
09/30/2025
Special inspection requirement — Fenestration areas
Sugnam Chang
09/30/2025
Special inspection requirement — Concrete - Cast-In-Place
Sugnam Chang
09/30/2025
Special inspection requirement — Air barrier — testing
Sugnam Chang
09/30/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Sugnam Chang
09/30/2025
Special inspection requirement — Metering
Sugnam Chang
09/30/2025
Special inspection requirement — Masonry
Sugnam Chang
09/30/2025
Special inspection requirement — Fire-Resistance Rated Construction
Sugnam Chang
09/30/2025
Special inspection requirement — Energy Code Compliance Inspections
Sugnam Chang
09/30/2025
Special inspection requirement — Maintenance information
Sugnam Chang
09/30/2025
Special inspection requirement — Protection of exposed foundation insulation
Sugnam Chang
09/30/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Sugnam Chang
09/30/2025
Special inspection requirement — Air barrier - visual inspection
Sugnam Chang
09/30/2025
Special inspection requirement — Lighting in dwelling units
Sugnam Chang
09/30/2025
Special inspection requirement — Lighting controls
Sugnam Chang
09/30/2025
Special inspection requirement — Fenestration air leakage
Sugnam Chang
09/30/2025
Special inspection requirement — Interior lighting power
Sugnam Chang
09/30/2025
Special inspection requirement — Insulation placement and R values
Sugnam Chang
09/17/2025
Permit issued — General Construction
B00612705-I1-GC
09/12/2025
Filed — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AND PIPE SCAFFOLD AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01243113-P1
08/26/2025
Filed — New Building
FILING FOR FO WORK IN CONJUNCTION WITH NB APPLICATION #B00612705-I1.
B00612705-P3
08/26/2025
Special inspection requirement — Fire-Resistance Rated Construction
Sugnam Chang
08/26/2025
Special inspection requirement — Air barrier - visual inspection
Sugnam Chang
08/26/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Sugnam Chang
Latest 60 of 104 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSprinklersPermit IssuedDynamic Plumbing & Sprinkler09/29/2026
DOB NOWGeneral ConstructionPermit IssuedHY Design & Development09/15/2026
DOB NOWPlumbingSigned-offRock E Small Plumbing & Heating09/11/2026
DOB NOWPlumbingPermit IssuedPlumbing NYC06/05/2026
DOB NOWSprinklersPermit IssuedCitywide Plumbing, Heating & Sprinkler12/03/2025
DOB NOWMechanical SystemsPermit IssuedFang Ye11/28/2025
DOB NOWGeneral ConstructionPermit IssuedFang Ye09/17/2025
DOB NOWSidewalk ShedPermit IssuedMC Superstructure08/20/2025
DOB NOWSupported ScaffoldPermit IssuedMC Superstructure08/20/2025
DOB NOWStructuralPermit IssuedFang Ye08/15/2025
DOB NOWPlumbingSigned-offRock E Small Plumbing & Heating07/16/2025
DOB NOWFoundationSigned-offFang Ye06/20/2025
DOB NOWSupport of ExcavationSigned-offFang Ye05/05/2025
DOB NOWConstruction FencePermit IssuedFang Ye04/21/2025
DOB NOWGeneral ConstructionPermit IssuedFang Ye04/18/2025
DOB NOWConstruction FencePermit IssuedNortheast Specialist Group07/08/2024
BIS—ISSUEDNortheast Specialist Group07/16/2024
1 project · most recent 03/09/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
03/09/2026Signed-offRock E Small Plumbing & HeatingGas, Storm, Water/Sanitary
2 projects · most recent 10/02/2026
General Wiring
FiledStatusContractorScope
10/02/2026CompleteNyco ElectricGeneral Wiring
08/22/2025CompleteNash Electric Services—
2 projects · most recent 08/26/2025
Steel Concrete Masonry
FiledStatusContractorScope
08/26/2025Permit IssuedHY Design & Development3 scope_items
09/21/2022Permit IssuedHY Design & DevelopmentSteel, Concrete, Masonry
2 projects · most recent 10/22/2025
Scaffold Sidewalk Shed Fence
FiledStatusContractorScope
10/22/2025Permit IssuedMC SuperstructureScaffold, Sidewalk Shed
11/21/2023——Fence
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
06/10/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
04/17/2026Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
04/17/2026Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
03/03/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
03/03/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
03/03/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 61
DateRequirementInspectorRole
03/18/2026Energy Code Compliance InspectionsSugnam Changprogress
03/18/2026Fire-Resistant Penetrations and JointsXIAOJUN WANGspecial
03/06/2026Energy Code Compliance InspectionsSugnam Changprogress
03/06/2026Fire-Resistant Penetrations and JointsANDREW GOODRICHspecial
01/12/2026Energy Code Compliance InspectionsSugnam Changprogress
01/12/2026Fire-Resistant Penetrations and JointsANDREW GOODRICHspecial
09/30/2025MasonrySugnam Changspecial
09/30/2025Fire-Resistance Rated ConstructionSugnam Changprogress
09/30/2025Energy Code Compliance InspectionsSugnam Changprogress
09/30/2025Lighting controlsSugnam Changenergy_progress
09/30/2025Lighting in dwelling unitsSugnam Changenergy_progress
09/30/2025Air barrier - visual inspectionSugnam Changenergy_progress
09/30/2025Fenestration and door U-factor and product ratingsSugnam Changenergy_progress
09/30/2025Protection of exposed foundation insulationSugnam Changenergy_progress
09/30/2025Maintenance informationSugnam Changenergy_progress
09/30/2025Fenestration air leakageSugnam Changenergy_progress
09/30/2025MeteringSugnam Changenergy_progress
09/30/2025Interior lighting powerSugnam Changenergy_progress
09/30/2025Air barrier — testing Sugnam Changenergy_progress
09/30/2025Fenestration areasSugnam Changenergy_progress
09/30/2025Insulation placement and R valuesSugnam Changenergy_progress
09/30/2025Fire-Resistant Penetrations and JointsSugnam Changspecial
09/30/2025Concrete - Cast-In-PlaceSugnam Changspecial
08/26/2025Air barrier — testing Sugnam Changenergy_progress
08/26/2025Protection of exposed foundation insulationSugnam Changenergy_progress
Latest 25 of 61.
▾Documents — 105 on file (BIS + DOB NOW)
▸Plans & Drawings16
▸DOB NOWPlans/Sketch16
08/31/2026B00622613-I1Request digital key ↗
08/31/2026B00622604-I1Request digital key ↗
08/28/2026B00788394-I1Request digital key ↗
Showing 3 of 16 on file for this type
▸Applications & Permits5
▸BISPLAN / WORK APPROVAL APPLICATION4
07/21/2025340919162Open ↗
12/01/2023322046754Open ↗
11/28/2023322046754Open ↗
Showing 3 of 4 on file for this type
▸BISWORK PERMIT APPLICATION1
07/17/2024322046754Open ↗
▸Zoning, Tax Lot & Property Records4
▸DOB NOWZD1: DOB Zoning Diagram2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸DOB NOWZoning Exhibit form (1-5)2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸Seals & Professional Certifications47
▸DOB NOWProgress Inspector Seal & Signature17
09/02/2026B00622599-I1Open ↗
08/31/2026B00612705-S1Open ↗
08/31/2026B00612705-S1Open ↗
Showing 3 of 17 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature16
08/31/2026B00622613-I1Open ↗
08/31/2026B00622604-I1Open ↗
08/28/2026B00797992-I1Open ↗
Showing 3 of 16 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
09/02/2026B00622599-I1Open ↗
08/31/2026B00612705-S1Open ↗
08/31/2026B00612705-S1Open ↗
Showing 3 of 12 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
07/21/2025340919162Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
07/21/2025340919162Open ↗
▸Trade Schedules & Equipment3
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸BISSEWER/HOUSE CON SIGNOFF: DEP HC 0211
07/17/2024322046754Open ↗
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸BISBPP: STREET TREES SITE PLAN1
07/29/2025340919162Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00612705-I1Open ↗
▸Environmental & Asbestos1
▸BISRODENT CONTROL1
07/17/2024322046754Open ↗
▸Inspections & Test Reports3
▸DOB NOWSOIL REPORT2
08/20/2026B00612705-S1Open ↗
08/13/2026B00612705-P2Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B00612705-S1Open ↗
▸Approvals, Objections & Sign-offs10
▸BISLETTERS - SUPPORTING DOCUMENTATION10
07/17/2024322046754Open ↗
07/17/2024322046754Open ↗
07/17/2024322046754Open ↗
Showing 3 of 10 on file for this type
▸Cost, Insurance & Ownership1
▸BISPROJECT-SPECIFIC GL INSURANCE1
07/17/2024322046754Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
07/21/2025340919162Open ↗
▸Other Documents10
▸DOB NOWSite Survey: Initial2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸DOB NOWProperty Ownership Certification2
08/20/2026B00612705-I1Open ↗
08/13/2026B00612705-P3Open ↗
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
07/17/2024322046754Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B00797992-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026B00612705-I1Open ↗
▸DOB NOWProject Specific General Liability (PGL1)1
08/13/2026B00612705-I1Open ↗