← Back
Garage, residential, tax class 1
FROST STREET
BROOKLYN · East Williamsburg · BIN 3429674
💬 Discuss this project
1930Year Built
3Stories
G0Building Class
R6BZoning
500 sfGross Floor Area
6Units
Rent Stabilized4 Open Violations ▸FDNY Report ↗
Garage, residential, tax class 1 · Owner of record: 221 FROST ST LLC · 3,750 sf lot · 0.13 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionEquipmentGeneralOther
Roof75p · 1 filing · 20 docs
Floor 569p · 1 filing · 20 docs
Floor 471p · 1 filing · 20 docs
Floor 376p · 1 filing · 20 docs
Floor 274p · 1 filing · 20 docs
Floor 186p · 1 filing · 20 docs
Cellar76p · 1 filing · 20 docs
Site & exterior18p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
223 FROST203/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/27/2023$3.5M—— → —$7,000/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ADB ASSOCIATES803/11/2026
ARQUITECTURA VARELA201/28/2025
CHOSEN MEP, CORP.101/28/2025
SH ENGINEERING PLLC501/16/2025
TECHNEMOTION DESIGN107/25/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HIGHRISE GROUP1503/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN AZ INCGeneral Contractor1607/08/2026
VILLAGE P & H NY INCFire Protection207/08/2026
DEEP FORMATION INCGeneral Contractor207/08/2026
VILLAGE P & H NY INCPlumbing207/08/2026
QMB PLUMBING & HEATING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
G ENGINEERING PC77781203/11/2026
HRF SERVICES CORP5616108/28/2025
Building Lifecycle
All (120)Filed (17)Permit Issued (17)Signed Off (7)Violation (1)Inspection (10)Objection (38)Special Inspection (30)
08/25/2026
Signed off — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-Z1
08/25/2026
Signed off — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-Z2
08/24/2026
Signed off — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-S4
07/08/2026
Signed off — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-S9
03/20/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIONGCAI GU
03/20/2026
Special inspection requirement — Fire-Resistance Rated Construction
XIONGCAI GU
03/20/2026
Special inspection requirement — Metering
XIONGCAI GU
03/20/2026
Special inspection requirement — Concrete - Cast-In-Place
XIONGCAI GU
03/20/2026
Special inspection requirement — Air barrier - visual inspection
XIONGCAI GU
03/20/2026
Special inspection requirement — Maintenance information
XIONGCAI GU
03/20/2026
Special inspection requirement — Fenestration air leakage
XIONGCAI GU
03/20/2026
Special inspection requirement — Insulation placement and R values
XIONGCAI GU
03/20/2026
Special inspection requirement — Fenestration areas
XIONGCAI GU
03/20/2026
Special inspection requirement — Energy Code Compliance Inspections
XIONGCAI GU
03/20/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
XIONGCAI GU
03/11/2026
Filed — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-P6
03/10/2026
Special inspection requirement — Maintenance information
XIONGCAI GU
03/10/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
XIONGCAI GU
03/10/2026
Special inspection requirement — Insulation placement and R values
XIONGCAI GU
03/10/2026
Special inspection requirement — Concrete - Cast-In-Place
XIONGCAI GU
03/10/2026
Special inspection requirement — Metering
XIONGCAI GU
03/10/2026
Special inspection requirement — Fenestration air leakage
XIONGCAI GU
03/10/2026
Special inspection requirement — Energy Code Compliance Inspections
XIONGCAI GU
03/10/2026
Special inspection requirement — Air barrier - visual inspection
XIONGCAI GU
03/10/2026
Special inspection requirement — Fenestration areas
XIONGCAI GU
03/10/2026
Special inspection requirement — Fire-Resistance Rated Construction
XIONGCAI GU
03/10/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIONGCAI GU
01/30/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
01/20/2026
Permit issued — Plumbing
B00916023-Z1-PL
01/07/2026
Objection resolved — Addressed
01/06/2026
Objection raised — Other
01/05/2026
Objection resolved — Addressed
12/31/2025
Objection raised — Other
12/23/2025
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
12/19/2025
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
12/18/2025
Permit issued — Sprinklers
B00916023-S4-EW-SP
12/18/2025
Objection resolved — Addressed
12/10/2025
Objection resolved — Addressed
12/08/2025
Objection raised — Other
12/03/2025
Objection resolved — Addressed
11/18/2025
Objection raised — Scope
11/17/2025
Filed — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-P5
11/17/2025
Filed — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-P4
10/06/2025
Objection raised — Other
10/02/2025
Permit issued — Mechanical Systems
B00916023-S3-MS
09/17/2025
Signed off — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-S7
09/11/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIONGCAI GU
09/11/2025
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
XIONGCAI GU
09/11/2025
Special inspection requirement — Seismic Isolation Systems
XIONGCAI GU
09/11/2025
Special inspection requirement — Energy Code Compliance Inspections
XIONGCAI GU
09/11/2025
Special inspection requirement — Post-installed Anchors
XIONGCAI GU
09/11/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIONGCAI GU
09/11/2025
Special inspection requirement — Sprinkler Systems
XIONGCAI GU
09/11/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
XIONGCAI GU
08/28/2025
Filed — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-S3
08/27/2025
Objection resolved — Addressed
08/21/2025
Objection raised — Other
08/18/2025
Filed — New Building
PROPOSED NEW MECHANICAL WORK TO A NEW 5-STORY WITH CELLAR RESIDENTIAL BUILDING IN CONJUNCTION WITH DOB NOW JOB #B00916023-I1
B00916023-P3
07/17/2025
Inspection — Pass-Final House Connection
Pass
View inspection ↗
06/25/2025
Violation issued (ECB, closed)
Construction
Latest 60 of 120 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offVILLAGE P & H NY INC01/20/2026
DOB NOWSprinklersSigned-offVILLAGE P & H NY INC12/18/2025
DOB NOWMechanical SystemsPermit IssuedBROOKLYN AZ INC10/02/2025
DOB NOWGeneral ConstructionPermit IssuedBROOKLYN AZ INC06/05/2025
DOB NOWGeneral ConstructionPermit IssuedBROOKLYN AZ INC05/01/2025
DOB NOWConstruction FenceSigned-offBROOKLYN AZ INC05/01/2025
DOB NOWPlumbingSigned-offQMB PLUMBING & HEATING INC02/20/2025
DOB NOWSupported ScaffoldSigned-offDEEP FORMATION INC01/28/2025
DOB NOWSidewalk ShedSigned-offDEEP FORMATION INC12/31/2024
DOB NOWSprinklersSigned-offVILLAGE P & H NY INC12/16/2024
DOB NOWPlumbingSigned-offVILLAGE P & H NY INC12/13/2024
DOB NOWFoundationPermit IssuedBROOKLYN AZ INC11/13/2024
DOB NOWFoundationPermit IssuedBROOKLYN AZ INC10/24/2024
DOB NOWSupport of ExcavationSigned-offBROOKLYN AZ INC10/23/2024
DOB NOWStructuralPermit IssuedBROOKLYN AZ INC10/01/2024
DOB NOWGeneral ConstructionPermit IssuedBROOKLYN AZ INC09/18/2024
DOB NOWConstruction FenceSigned-offBROOKLYN AZ INC09/05/2024
1 project · most recent 03/11/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
03/11/2026Permit IssuedBROOKLYN AZ INCHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Daikin 3MXL24WMVJU9 240,000 BTU · Heat Pump Outdoor ×10
4MXL36WVJU9 36,600 BTU · Heat Pump Outdoor ×1
Ventilation
Whisper Warm FV-11VH1 110 CFM · Exhaust Fan ×27
Zephyr Z5H 100 CFM · Exhaust Fan ×10
1 project · most recent 03/11/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
03/11/2026Signed-offVILLAGE P & H NY INCGas, Storm, Water/Sanitary
1 project · most recent 12/30/2025
General Wiring
FiledStatusContractorScope
12/30/2025CompleteERIC & NG ELEC'L, INC.General Wiring
1 project · most recent 03/11/2026
Steel Concrete Masonry
FiledStatusContractorScope
03/11/2026Signed-offVILLAGE P & H NY INCSteel, Concrete, Masonry
1 project · most recent 03/11/2026
Fence
FiledStatusContractorScope
03/11/2026Signed-offVILLAGE P & H NY INCFence
▾Field Inspections (DOB CAP) — 10
DateTypeResultReport
01/30/2026Pass-Final CND-Occupancy InspectionPassView ↗
12/23/2025Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
12/19/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
07/17/2025Pass-Final House ConnectionPassView ↗
04/23/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/23/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
04/23/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/26/2025Pass-Final House ConnectionPassView ↗
12/23/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/23/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 74
DateRequirementInspectorRole
03/20/2026Energy Code Compliance InspectionsXIONGCAI GUprogress
03/20/2026MeteringXIONGCAI GUenergy_progress
03/20/2026Fenestration areasXIONGCAI GUenergy_progress
03/20/2026Air barrier - visual inspectionXIONGCAI GUenergy_progress
03/20/2026Maintenance informationXIONGCAI GUenergy_progress
03/20/2026Fenestration and door U-factor and product ratingsXIONGCAI GUenergy_progress
03/20/2026Fenestration air leakageXIONGCAI GUenergy_progress
03/20/2026Insulation placement and R valuesXIONGCAI GUenergy_progress
03/20/2026Fire-Resistance Rated ConstructionXIONGCAI GUprogress
03/20/2026Fire-Resistant Penetrations and JointsXIONGCAI GUspecial
03/20/2026Concrete - Cast-In-PlaceXIONGCAI GUspecial
03/10/2026Fenestration and door U-factor and product ratingsXIONGCAI GUenergy_progress
03/10/2026Insulation placement and R valuesXIONGCAI GUenergy_progress
03/10/2026Maintenance informationXIONGCAI GUenergy_progress
03/10/2026Concrete - Cast-In-PlaceXIONGCAI GUspecial
03/10/2026Fire-Resistant Penetrations and JointsXIONGCAI GUspecial
03/10/2026Energy Code Compliance InspectionsXIONGCAI GUprogress
03/10/2026Fire-Resistance Rated ConstructionXIONGCAI GUprogress
03/10/2026Fenestration areasXIONGCAI GUenergy_progress
03/10/2026MeteringXIONGCAI GUenergy_progress
03/10/2026Fenestration air leakageXIONGCAI GUenergy_progress
03/10/2026Air barrier - visual inspectionXIONGCAI GUenergy_progress
09/11/2025Seismic Isolation SystemsXIONGCAI GUspecial
09/11/2025HVAC-R and service water heating equipmentXIONGCAI GUenergy_progress
09/11/2025Post-installed AnchorsXIONGCAI GUspecial
Latest 25 of 74.
▾Documents — 153 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch17
08/24/2026B00916023-S4Request digital key ↗
08/24/2026B00916023-P6Request digital key ↗
08/24/2026B00916023-P5Request digital key ↗
Showing 3 of 17 on file for this type
▸Applications & Permits3
▸BISPLAN / WORK APPROVAL APPLICATION2
08/15/2025322120637Open ↗
08/15/2025322120637Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
09/18/2024340909814Open ↗
▸Zoning, Tax Lot & Property Records4
▸DOB NOWZD1: DOB Zoning Diagram3
08/24/2026B00916023-P6Open ↗
08/13/2026B00916023-I1Open ↗
08/13/2026B00916023-P3Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00916023-I1Open ↗
▸Seals & Professional Certifications92
▸DOB NOWProgress Inspector Seal & Signature44
09/01/2026B00916023-S8Open ↗
09/01/2026B00916023-S8Open ↗
08/31/2026B00916023-P6Open ↗
Showing 3 of 44 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature30
09/01/2026B00916023-S8Open ↗
09/01/2026B00916023-S8Open ↗
09/01/2026B00916023-S8Open ↗
Showing 3 of 30 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature17
08/24/2026B00916023-P6Open ↗
08/24/2026B00916023-P5Open ↗
08/24/2026B00916023-P4Open ↗
Showing 3 of 17 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
09/18/2024340909814Open ↗
▸Trade Schedules & Equipment3
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)3
08/24/2026B00916023-P6Open ↗
08/13/2026B00916023-P3Open ↗
08/13/2026B00916023-I1Open ↗
▸Safety & Tenant Protection8
▸DOB NOWStreet Tree Checklist3
08/24/2026B00916023-P6Open ↗
08/24/2026B00916023-I1Open ↗
08/15/2026B00916023-P3Open ↗
▸BISSTREET TREES SITE PLAN1
09/18/2024340909814Open ↗
▸BISSTREET TREE CHECKLIST1
09/18/2024340909814Open ↗
▸DOB NOWStreet Trees Site Plan1
08/13/2026B00916023-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00916023-I1Open ↗
▸DOB NOWStreet Tree Sign Off1
08/13/2026B00916023-I1Open ↗
▸Inspections & Test Reports6
▸DOB NOWTR4 Test Report and Plot Diagram3
08/13/2026B00916023-S8Open ↗
08/13/2026B00916023-S7Open ↗
08/13/2026B00916023-S5Open ↗
▸DOB NOWSOIL REPORT3
08/13/2026B00916023-S5Open ↗
08/13/2026B00916023-S7Open ↗
08/13/2026B00916023-S8Open ↗
▸Approvals, Objections & Sign-offs4
▸BISLETTERS - SUPPORTING DOCUMENTATION4
08/20/2025322120637Open ↗
08/20/2025322120637Open ↗
08/15/2025322120637Open ↗
Showing 3 of 4 on file for this type
▸Filing & Intake Forms3
▸BISEFILING JOB APPLICATION COVER SHEET1
09/18/2024340909814Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
09/18/2024340909814Open ↗
▸BISEFILING COVER SHEET1
08/15/2025322120637Open ↗
▸Other Documents13
▸DOB NOWSite Survey: Initial3
08/24/2026B00916023-P6Open ↗
08/13/2026B00916023-P3Open ↗
08/13/2026B00916023-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/24/2026B00916023-P6Open ↗
08/13/2026B00916023-P3Open ↗
08/13/2026B00916023-I1Open ↗
▸DOB NOWProperty Ownership Certification3
08/24/2026B00916023-P6Open ↗
08/24/2026B00916023-I1Open ↗
08/15/2026B00916023-P3Open ↗
▸BISPLOT DIAGRAM1
08/20/2025322120637Open ↗
▸BISBPP - SUPPORTING DOCUMENTATION1
09/18/2024340909814Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B00916023-S7Open ↗
▸DOB NOWFinal Survey1
08/24/2026B00916023-I1Open ↗