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Garage, residential, tax class 1
FROST STREET
BROOKLYN · BIN 3070015
💬 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
ArchitectureStructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction26p · 2 filings · 20 docs
Bulkhead3p · 2 filings · 20 docs
Floor 3Under Construction29p · 3 filings · 20 docs
Floor 2Under Construction26p · 2 filings · 20 docs
Floor 1Under Construction27p · 3 filings · 20 docs
CellarUnder Construction35p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
221 FROST ST LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/27/2023$3.5M—— → —$7,000/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ADB ASSOCIATES709/03/2025
SIMON JIANG407/17/2025
ARQUITECTURA VARELA109/11/2024
TECHNEMOTION DESIGN306/04/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HIGHRISE GROUP1403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN AZ INCGeneral Contractor1007/08/2026
DEEP FORMATION INCGeneral Contractor303/21/2026
ERIC & NG ELEC'L, INC.Electrical103/22/2026
VILLAGE P & H NY INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SIMON75551209/03/2025
Building Lifecycle
All (153)Filed (15)Permit Issued (10)Signed Off (6)Violation (9)Inspection (9)Objection (74)Special Inspection (30)
05/04/2026
Violation issued (HPD, open)
A
01/20/2026
Signed off — Alteration
Construction of wood floor framing, CMU front & rear walls, and roof framing.
B01090785-I1
01/20/2026
Signed off — Alteration
PLUMBING WORK INCLUDING DOMESTIC, SANITARY & GAS SERVICE FOR EXISTING 3-STORY & CELLAR RESIDENTIAL BUILDING
B01086583-I1
12/23/2025
Signed off — Alteration
Construction of new slab on grade, rear foundation wall, and wall footing.
B01090782-I1
11/18/2025
Violation issued (HPD, closed)
I
10/21/2025
Signed off — Alteration CO
PROPOSED NEW MECHANICAL WORK TO EXISTING 3-STORY WITH CELLAR BUILDING IN CONJUNCTION WITH DOB NOW JOB #B-00917573-I1
B00917573-S1
10/17/2025
Signed off — Alteration CO
PROPOSED NEW MECHANICAL WORK TO EXISTING 3-STORY WITH CELLAR BUILDING IN CONJUNCTION WITH DOB NOW JOB #B-00917573-I1
B00917573-S2
10/14/2025
Permit issued — Structural
B01090785-I1-ST
09/22/2025
Permit issued — Mechanical Systems
B00917573-S2-MS
09/04/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
SIMON JIANG
09/04/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
SIMON JIANG
09/04/2025
Special inspection requirement — HVAC-R and service water heating system controls
SIMON JIANG
09/04/2025
Special inspection requirement — Metering
SIMON JIANG
09/04/2025
Special inspection requirement — Maintenance information
SIMON JIANG
09/04/2025
Special inspection requirement — Energy Code Compliance Inspections
SIMON JIANG
09/04/2025
Special inspection requirement — HVAC-R and service water heating equipment
SIMON JIANG
09/03/2025
Filed — Alteration
PLUMBING WORK INCLUDING DOMESTIC, SANITARY & GAS SERVICE FOR EXISTING 3-STORY & CELLAR RESIDENTIAL BUILDING
B01086583-P2
09/02/2025
Special inspection requirement — Energy Code Compliance Inspections
SIMON JIANG
09/02/2025
Special inspection requirement — HVAC-R and service water heating equipment
SIMON JIANG
09/02/2025
Special inspection requirement — HVAC-R and service water heating system controls
SIMON JIANG
09/02/2025
Special inspection requirement — Metering
SIMON JIANG
09/02/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
SIMON JIANG
09/02/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
SIMON JIANG
09/02/2025
Special inspection requirement — Maintenance information
SIMON JIANG
08/05/2025
Objection resolved — Addressed
07/30/2025
Special inspection requirement — Ventilation and air distribution system
SIMON JIANG
07/25/2025
Objection resolved — Addressed
07/24/2025
Objection raised — Admin
07/17/2025
Filed — Alteration
Construction of new slab on grade, rear foundation wall, and wall footing.
B01090782-P1
07/17/2025
Filed — Alteration
Construction of wood floor framing, CMU front & rear walls, and roof framing.
B01090785-P1
07/17/2025
Objection resolved — Addressed
07/17/2025
Special inspection requirement — Wood – Seismic Resistance
07/16/2025
Special inspection requirement — Demolition
SIMON JIANG
07/16/2025
Special inspection requirement — Concrete - Cast-In-Place
SIMON JIANG
07/16/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
SIMON JIANG
07/16/2025
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
SIMON JIANG
07/16/2025
Special inspection requirement — Fenestration areas
SIMON JIANG
07/16/2025
Special inspection requirement — Permanent certificate
SIMON JIANG
07/16/2025
Special inspection requirement — Insulation placement and R values
SIMON JIANG
07/16/2025
Special inspection requirement — Fenestration air leakage
SIMON JIANG
07/16/2025
Special inspection requirement — Interior lighting power
SIMON JIANG
07/16/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
SIMON JIANG
07/16/2025
Special inspection requirement — Maintenance information
SIMON JIANG
07/16/2025
Special inspection requirement — Air barrier — testing
SIMON JIANG
07/16/2025
Special inspection requirement — Fire-Resistance Rated Construction
SIMON JIANG
07/16/2025
Special inspection requirement — Energy Code Compliance Inspections
SIMON JIANG
06/11/2025
Filed — Alteration CO
PROPOSED NEW MECHANICAL WORK TO EXISTING 3-STORY WITH CELLAR BUILDING IN CONJUNCTION WITH DOB NOW JOB #B-00917573-I1
B00917573-P3
06/09/2025
Violation issued (HPD, open)
A
05/23/2025
Objection resolved — Addressed
05/23/2025
Objection resolved — Addressed
05/23/2025
Objection resolved — Addressed
05/23/2025
Objection resolved — Addressed
05/20/2025
Objection raised — Zoning
05/20/2025
Objection raised — Plumbing
05/20/2025
Objection raised — Fire_Protection
05/20/2025
Objection raised — Mechanical
05/20/2025
Objection raised — Scope
05/20/2025
Objection raised — Zoning
05/19/2025
Filed — Alteration CO
PROPOSED NEW MECHANICAL WORK TO EXISTING 3-STORY WITH CELLAR BUILDING IN CONJUNCTION WITH DOB NOW JOB #B-00917573-I1
B00917573-S2
05/19/2025
Filed — Alteration
PLUMBING WORK INCLUDING DOMESTIC, SANITARY & GAS SERVICE FOR EXISTING 3-STORY & CELLAR RESIDENTIAL BUILDING
B01086583-P1
Latest 60 of 153 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWStructuralSigned-offBROOKLYN AZ INC10/14/2025
DOB NOWMechanical SystemsSigned-offBROOKLYN AZ INC09/22/2025
DOB NOWConstruction FenceSigned-offBROOKLYN AZ INC05/01/2025
DOB NOWGeneral ConstructionPermit IssuedBROOKLYN AZ INC05/01/2025
DOB NOWGeneral ConstructionPermit IssuedBROOKLYN AZ INC03/03/2025
DOB NOWPlumbingSigned-offVILLAGE P & H NY INC10/29/2024
DOB NOWSidewalk ShedSigned-offDEEP FORMATION INC09/13/2024
DOB NOWFoundationSigned-offBROOKLYN AZ INC09/11/2024
DOB NOWConstruction FenceSigned-offBROOKLYN AZ INC05/07/2024
DOB NOWGeneral ConstructionPermit IssuedBROOKLYN AZ INC03/22/2024
BISPLISSUEDROZZA PLBG & HTG CORP11/04/2005
BIS—ISSUEDR/A09/23/2005
1 project · most recent 06/11/2025
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/11/2025Signed-offBROOKLYN AZ INCHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Daikin 3MXL24WMVJU9 24,000 BTU · Heat Pump Outdoor ×4
4MXL36TVJU 36,600 BTU · Heat Pump Outdoor ×1
RXS18LVJU 21,600 BTU · Heat Pump Outdoor ×1
Ventilation
Whisper Warm FV-11VH1 50 CFM · Exhaust Fan ×7
Zephyr MVEM1825F 100 CFM · Kitchen Exhaust ×5
1 project · most recent 07/21/2025
General Wiring
FiledStatusContractorScope
07/21/2025CompleteERIC & NG ELEC'L, INC.General Wiring
1 project · most recent 06/11/2025
Fence
FiledStatusContractorScope
06/11/2025Signed-offBROOKLYN AZ INCFence
▾Field Inspections (DOB CAP) — 9
DateTypeResultReport
05/19/2025Pass-Final CND-Occupancy InspectionPassView ↗
11/27/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
11/20/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
11/20/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
11/20/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
11/20/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
01/25/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
01/25/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
01/23/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 105
DateRequirementInspectorRole
09/04/2025Maintenance informationSIMON JIANGenergy_progress
09/04/2025HVAC-R and service water heating system controlsSIMON JIANGenergy_progress
09/04/2025Energy Code Compliance InspectionsSIMON JIANGprogress
09/04/2025Fire-Resistant Penetrations and JointsSIMON JIANGspecial
09/04/2025HVAC-R and service water piping design and insulationSIMON JIANGenergy_progress
09/04/2025MeteringSIMON JIANGenergy_progress
09/04/2025HVAC-R and service water heating equipmentSIMON JIANGenergy_progress
09/02/2025Energy Code Compliance InspectionsSIMON JIANGprogress
09/02/2025HVAC-R and service water heating system controlsSIMON JIANGenergy_progress
09/02/2025MeteringSIMON JIANGenergy_progress
09/02/2025HVAC-R and service water heating equipmentSIMON JIANGenergy_progress
09/02/2025HVAC-R and service water piping design and insulationSIMON JIANGenergy_progress
09/02/2025Fire-Resistant Penetrations and JointsSIMON JIANGspecial
09/02/2025Maintenance informationSIMON JIANGenergy_progress
07/30/2025Ventilation and air distribution systemSIMON JIANGenergy_progress
07/17/2025Wood – Seismic Resistance—special
07/16/2025Fenestration areasSIMON JIANGenergy_progress
07/16/2025DemolitionSIMON JIANGspecial
07/16/2025Fire-Resistance Rated ConstructionSIMON JIANGprogress
07/16/2025Energy Code Compliance InspectionsSIMON JIANGprogress
07/16/2025Maintenance informationSIMON JIANGenergy_progress
07/16/2025Fenestration air leakageSIMON JIANGenergy_progress
07/16/2025Interior lighting powerSIMON JIANGenergy_progress
07/16/2025Air barrier — testing SIMON JIANGenergy_progress
07/16/2025Air barrier - visual inspectionSIMON JIANGenergy_progress
Latest 25 of 105.
▾Documents — 168 on file (BIS + DOB NOW)
▸Plans & Drawings15
▸DOB NOWPlans/Sketch15
08/24/2026B01090782-P1Request digital key ↗
08/24/2026B01090782-I1Request digital key ↗
08/24/2026B01107852-I1Request digital key ↗
Showing 3 of 15 on file for this type
▸Applications & Permits3
▸BISPLAN / WORK APPROVAL APPLICATION2
11/12/2025340918920Open ↗
12/09/2022322161487Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
10/01/2025340918920Open ↗
▸Zoning, Tax Lot & Property Records7
▸DOB NOWZoning Exhibit form (1-5)4
08/13/2026B00917573-I1Open ↗
08/13/2026B00917573-P1Open ↗
08/13/2026B00917573-P2Open ↗
Showing 3 of 4 on file for this type
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
03/02/2023322161487Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
03/02/2023322161487Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00917573-I1Open ↗
▸Seals & Professional Certifications107
▸DOB NOWProgress Inspector Seal & Signature61
09/23/2026B00917573-S2Open ↗
09/23/2026B00917573-S2Open ↗
09/23/2026B00917573-S2Open ↗
Showing 3 of 61 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature30
09/23/2026B00917573-S2Open ↗
09/23/2026B00917573-S2Open ↗
09/23/2026B00917573-S2Open ↗
Showing 3 of 30 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature15
08/24/2026B01090785-P1Open ↗
08/24/2026B01090785-I1Open ↗
08/24/2026B01090782-I1Open ↗
Showing 3 of 15 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
09/28/2025340918920Open ↗
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist4
08/13/2026B00917573-P3Open ↗
08/13/2026B00917573-P2Open ↗
08/13/2026B00917573-I1Open ↗
Showing 3 of 4 on file for this type
▸BISSTREET TREE CHECKLIST1
10/01/2025340918920Open ↗
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form5
08/14/2026B01090785-I1Open ↗
08/13/2026B01090782-I1Open ↗
08/13/2026B00917573-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/21/2026B01086583-P1Open ↗
08/21/2026B01086583-I1Open ↗
08/13/2026B00841164-I1Open ↗
Showing 3 of 4 on file for this type
▸Approvals, Objections & Sign-offs2
▸BISLETTERS - SUPPORTING DOCUMENTATION2
10/17/2025340918920Open ↗
10/01/2025340918920Open ↗
▸Filing & Intake Forms5
▸DOB NOWAI1 Form3
08/13/2026B00917573-P3Open ↗
08/13/2026B00917573-I1Open ↗
08/13/2026B00917573-P2Open ↗
▸BISEFILING COVER SHEET1
12/09/2022322161487Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
06/26/2025340918920Open ↗
▸Other Documents15
▸DOB NOWProperty Ownership Certification5
08/13/2026B00917573-P2Open ↗
08/13/2026B00917573-P3Open ↗
08/13/2026B00841164-I1Open ↗
Showing 3 of 5 on file for this type
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION4
05/05/2023322161487Open ↗
05/05/2023322161487Open ↗
03/02/2023322161487Open ↗
Showing 3 of 4 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION3
12/03/2025340918920Open ↗
12/03/2025340918920Open ↗
12/03/2025340918920Open ↗
▸BISPLOT DIAGRAM1
05/05/2023322161487Open ↗
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
10/17/2025340918920Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B00841164-I1Open ↗