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Single or multiple dwelling with stores or offices
306 COURT STREET
BROOKLYN · Carroll Gardens-Cobble Hill-Gowanus-Red Hook · BIN 3004204
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1931Year Built
4Stories
S9Building Class
R6AZoning
2,925 sfGross Floor Area
7Units
Rent Stabilized
Single or multiple dwelling with stores or offices · Owner of record: 306 COURT STREET OWNER LLC · 1,725 sf lot · 1.7 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbingGeneral
Roof2p · 1 filing · 20 docs
Floor 48p · 1 filing · 20 docs
Floor 38p · 1 filing · 20 docs
Floor 29p · 1 filing · 20 docs
Floor 13p · 1 filing · 20 docs
Cellar7p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Sollevare Group807/08/2026
ALTA PROPERTY GROUP403/21/2026
306 COURT STREET OWNER LLC103/22/2026
JL VISION INC.103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/23/2025$5.4M—Private party → 306 COURT STREET OWNER LLC$1,846/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JAMES CHAI ARCHITECT, P.C.311/10/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HTX BUILDING CONSULTING303/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JAMES JH CHAI & ASSOCIATE6481311/10/2025
Building Lifecycle
All (22)Special Inspection (22)
11/06/2025
Special inspection requirement — HVAC-R and service water heating system controls
Joon Ho Chai
11/06/2025
Special inspection requirement — HVAC-R and service water heating equipment
Joon Ho Chai
11/06/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Joon Ho Chai
11/06/2025
Special inspection requirement — Maintenance information
Joon Ho Chai
11/06/2025
Special inspection requirement — Mechanical Systems
Joon Ho Chai
11/06/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
11/06/2025
Special inspection requirement — Final
JIN WOO LEE
11/06/2025
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
09/17/2025
Special inspection requirement — Lighting in dwelling units
Joon Ho Chai
09/17/2025
Special inspection requirement — Metering
Joon Ho Chai
09/17/2025
Special inspection requirement — Interior lighting power
Joon Ho Chai
09/17/2025
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
09/17/2025
Special inspection requirement — Fenestration air leakage
Joon Ho Chai
09/17/2025
Special inspection requirement — Lighting controls
Joon Ho Chai
09/17/2025
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
09/17/2025
Special inspection requirement — Fenestration areas
Joon Ho Chai
09/17/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Joon Ho Chai
09/17/2025
Special inspection requirement — Exterior lighting power
Joon Ho Chai
09/08/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
09/08/2025
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
09/08/2025
Special inspection requirement — Final
JIN WOO LEE
09/08/2025
Special inspection requirement — Tenant Protection Plan Compliance
Joon Ho Chai
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.