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Three families
422 CROWN STREET
BROOKLYN · BIN 3034258
💬 Discuss this project
1920Year Built
2Stories
C0Building Class
R5Zoning
6,092 sfGross Floor Area
3Units
Rent Stabilized13 Open Violations 12 unresolved · 1 paperwork only ▸FDNY Report ↗
Three families · 3,833 sf lot · 1.59 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Roof2p · 1 filing · 20 docs
Floor 24p · 2 filings · 20 docs
Floor 13p · 2 filings · 20 docs
Cellar1p · 1 filing · 20 docs
Sub-Cellar2p · 1 filing · 20 docs
Basement3p · 1 filing · 20 docs
Sub-Basement1 filing · 5 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
ACE GROUP NY604/09/2026
Y H S CONSTRUCTION103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/17/2022$4.2M—— → —$698/sf building
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CAVALRY LLC1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Y.H.S. CONSTRUCTION CORPGeneral Contractor707/08/2026
ACE GROUP NY CORPGeneral Contractor404/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
M. INT'L ENGINEERING PLLC3129108/01/2024
CHUN ENGINEERING CONSULTA9605104/09/2024
DAL H CHUN ENGINEER PC1972112/26/2023
Building Lifecycle
All (149)Filed (11)Permit Issued (6)Signed Off (1)Violation (21)Objection (80)Special Inspection (30)
05/04/2026
Violation issued (HPD, open)
A
04/29/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/29/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/20/2025
Violation issued (HPD, open)
I
08/20/2025
Violation issued (ECB, open)
Construction
08/01/2025
Violation issued (ECB, open)
Unknown
06/09/2025
Violation issued (HPD, open)
A
03/24/2025
Objection resolved — Addressed
02/25/2025
Permit issued — Sidewalk Shed
B01017082-I1-SH
01/27/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/14/2025
Objection resolved — Addressed
01/07/2025
Objection raised — Energy
01/07/2025
Objection raised — Admin
01/07/2025
Objection raised — Mechanical
01/07/2025
Objection raised — Mechanical
01/07/2025
Objection raised — Admin
01/07/2025
Objection raised — Mechanical
01/07/2025
Objection raised — Zoning
01/07/2025
Objection raised — Mechanical
01/07/2025
Objection resolved — Addressed
01/06/2025
Objection resolved — Addressed
01/06/2025
Special inspection requirement — Permanent certificate
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/31/2024
Objection resolved — Addressed
12/30/2024
Objection raised — Energy
12/24/2024
Objection resolved — Addressed
12/24/2024
Objection resolved — Addressed
12/24/2024
Objection resolved — Addressed
12/24/2024
Objection resolved — Addressed
12/23/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
12/16/2024
Objection raised — Admin
12/13/2024
Objection raised — Energy
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Admin
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/13/2024
Objection raised — Structural
12/12/2024
Objection raised — Admin
Latest 60 of 149 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedACE GROUP NY CORP02/25/2025
DOB NOWGeneral ConstructionPermit IssuedY.H.S. CONSTRUCTION CORP09/10/2024
DOB NOWGeneral ConstructionPermit IssuedY.H.S. CONSTRUCTION CORP05/01/2024
DOB NOWSidewalk ShedPermit IssuedACE GROUP NY CORP03/11/2024
DOB NOWStructuralSigned-offY.H.S. CONSTRUCTION CORP01/03/2024
DOB NOWConstruction FencePermit IssuedY.H.S. CONSTRUCTION CORP09/13/2023
1 project · most recent 12/11/2024
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
12/11/2024——Heating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric PUMY-P48NKMU2 54,000 BTU · Vrf Outdoor ×2
PUMY-P60NKMU2 66,000 BTU · Vrf Outdoor ×1
1 project · most recent 12/21/2023
Gas Water/Sanitary
FiledStatusContractorScope
12/21/2023——Gas, Water/Sanitary
1 project · most recent 10/16/2023
FiledStatusContractorScope
10/16/2023Permit IssuedMARTIN DORKIN—
1 project · most recent 12/11/2024
Steel Concrete
FiledStatusContractorScope
12/11/2024——Steel, Concrete
▾Special Inspection Requirements (DOB NOW) — 34
DateRequirementInspectorRole
01/06/2025Permanent certificate—energy_progress
12/23/2024Structural Stability – Alterations of existing buildings—special
12/05/2024Subsurface Conditions – Fill Placement & In-Place Density—special
12/05/2024Subgrade Inspections—special
12/05/2024Concrete - Cast-In-Place—special
12/05/2024Structural Steel - Details—special
12/05/2024Post-installed Anchors—special
12/05/2024Excavations - Sheeting, Shoring, and Bracing—special
12/05/2024Structural Steel - Welding—special
12/05/2024Underpinning and alternate methods of support of buildings and adjacent property—special
12/02/2024Duct leakage testing, insulation and design—energy_progress
12/02/2024Smoke Control Systems Testing—special
12/02/2024Energy Code Compliance Inspections—progress
12/02/2024Fire-Resistance Rated Construction—progress
12/02/2024HVAC-R and service water heating system controls—energy_progress
12/02/2024Shutoff dampers—energy_progress
12/02/2024HVAC-R and service water piping design and insulation—energy_progress
12/02/2024Ventilation and air distribution system—energy_progress
12/02/2024Maintenance information—energy_progress
12/02/2024HVAC-R and service water heating equipment—energy_progress
10/09/2024Structural Stability – Alterations of existing buildings—special
09/24/2024Mechanical Systems—special
09/24/2024Final—progress
08/01/2024MasonryJAMES CHUNspecial
08/01/2024FinalJAMES CHUNprogress
Latest 25 of 34.
▾Documents — 43 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch11
08/26/2026B00919598-I1Request digital key ↗
08/26/2026B00980446-I1Request digital key ↗
08/25/2026B01017082-I1Request digital key ↗
Showing 3 of 11 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B01092291-I1Open ↗
▸Seals & Professional Certifications17
▸DOB NOWDPL-1: Design Professional Seal & Signature11
08/26/2026B00919598-I1Open ↗
08/26/2026B00980446-I1Open ↗
08/25/2026B01017082-I1Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
08/31/2026B00924432-I1Open ↗
08/30/2026B01029909-I1Open ↗
08/26/2026B00924432-P1Open ↗
▸DOB NOWProgress Inspector Seal & Signature3
08/31/2026B00924432-I1Open ↗
08/30/2026B01029909-I1Open ↗
08/26/2026B00924432-P1Open ↗
▸Safety & Tenant Protection2
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan2
08/13/2026B01092291-I1Open ↗
08/13/2026B01092291-S1Open ↗
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/26/2026B00980446-I1Open ↗
08/25/2026B01029909-I1Open ↗
08/24/2026B00924432-P1Open ↗
Showing 3 of 9 on file for this type
▸Other Documents3
▸DOB NOWSite Survey: Initial2
08/13/2026B01092291-I1Open ↗
08/13/2026B01092291-S1Open ↗
▸DOB NOWProperty Ownership Certification1
08/24/2026B01092291-I1Open ↗