
LIC:#210771
510-822-8943

J-CORE CONSTRUCTION GROUP DIVISIONS
J-CORE REMODELING GROUP
J-CORE GENERAL CONSTRUCTION GROUP
J-CORE OUTDOOR & EXTERIOR GROUP
J-CORE STRUCTURAL & CONCRETE GROUP
J-CORE PAINTING & FINISHES GROUP
J-CORE DESIGN & PLANNING GROUP


At J-CORE General Contractor, we deliver complete construction solutions for residential and commercial projects.
With over 20 years of hands-on experience, we manage every phase—from planning and design to construction and final finishes—through a single, trusted team.
Whether it’s a full remodel, structural work, outdoor living space, or a complex multi-trade project, J-CORE brings clarity, quality, and accountability to every build.


ADU Construction Accessory Dwelling Units (ADUs) are one of the smartest investments in California today. Whether you’re looking to generate rental income, provide independent living space for a family member, or simply increase your property value, J-Corp General Contractor is here to help you every step of the way. Our ADU services include: • Detached ADUs – Freestanding units built in your backyard. • Attached ADUs – Units connected to your primary home. • Garage Conversions – Transform your garage into a fully livable space. • Basement & Attic Conversions – Convert unused space into valuable living areas. • Planning & Permitting – We assist with all plans, applications, and code compliance. • Full Construction – From foundation to final finishes. We ensure compliance with all California ADU regulations and city approvals. Get in touch today to schedule a free consultation and find out if your property qualifies for an ADU.
SERVING THE BAY AREA
SAN FRANCISCO PALO ALTO
SAN JOSE MOUNTAIN VIEW
SUNNYVALE SANTA CLARA
SAN MATEO OAKLAND
RICHMOND MARTINEZ
VALLEJO CONCOR
























