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Residential & Commercial Construction Solutions
Built Through Specialized Divisions

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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

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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.

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OUR PROJECTS

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J-CORE CONSTRUCTION GROUP DIVISIONS

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J-CORE REMODELING GROUP

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J-CORE GENERAL CONSTRUCTION GROUP

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J-CORE OUTDOOR & EXTERIOR GROUP

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J-CORE STRUCTURAL & CONCRETE GROUP

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J-CORE PAINTING & FINISHES GROUP

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J-CORE DESIGN & PLANNING GROUP

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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.

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At J-CORE, we redefine the boundaries of modern construction. We specialize in Cargotecture—the art of transforming shipping containers into high-end, functional, and sustainable commercial spaces. From compact fast-food kiosks in the heart of San Francisco to expansive luxury showrooms, our designs blend industrial strength with sophisticated aesthetics. We don’t just build structures; we create urban landmarks. Why Choose J-CORE Container Solutions? Speed & Efficiency: Drastically reduce construction timelines compared to traditional methods. Sustainable Edge: Eco-friendly building by repurposing steel structures with premium insulation. Versatile Design: Fully customizable layouts, from "mini-locals" to multi-level architectural statements. Mobility: Your business can evolve and move wherever the market takes you. Elevate your brand with J-CORE. Bold design. Sustainable soul. Infinite possibilities.

SERVING THE BAY AREA

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SAN FRANCISCO                    PALO ALTO
SAN JOSE                                MOUNTAIN VIEW
SUNNYVALE                            SANTA CLARA
SAN MATEO                             OAKLAND
RICHMOND                              MARTINEZ
VALLEJO                                  CONCOR      

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510-822-8943

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