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Custom Kitchen Remodeling & Open-Concept Expansions | Inertia Design Co -Class B (Rancho Cucamonga)
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At Inertia Design Co, we don't just swap cabinets—we are a licensed Class B General Building Contractor (Lic # 1160657) equipped to handle complete structural renovations and open-concept reconfigurations. From architectural floor plans and city permits to removing load-bearing walls and installing high-end finishes, our team manages the entire build under one contract.
What We Do:
Structural Wall Removals: Safely remove partition and load-bearing walls to open up living spaces; engineered steel & LVL beam installations.
Custom Kitchen Layouts & Islands: Waterfall islands, custom shaker and flat-panel cabinetry, quartz/stone countertops, and walk-in pantries.
Full MEP & Electrical Upgrades: Dedicated 20-amp kitchen circuits, recessed LED lighting, pendant prep, subpanel upgrades, and plumbing relocations.
Accessory Dwelling Units (ADUs) & Additions: Turnkey detached ADUs, garage conversions (JADUs), and full home additions.
Design & City Permitting: Complete architectural drafting, Title 24 compliance, engineering, and city plan check submittals.
Why Work With Inertia Design Co?
California Class B General Contractor (Lic # 1160657)
Fully Licensed, Bonded, and Insured
Direct communication with the builder—clean jobsites and milestone-based billing
Design-build advantage: 3D modeling and space planning before sledgehammers swing
Ready to Start Your Project?
Call or text directly for an on-site consultation and project estimate:
Direct Phone: (213) 886-2028 (Call or Text)
1-844-BUILD-99
Company: Inertia Design Co
License: California Class B # 1160657
Serving Rancho Cucamonga, Riverside, LA, OC and surrounding areas.
Keywords (for search): kitchen remodel, kitchen renovation, open concept, wall removal contractor, custom cabinets, kitchen island, general contractor kitchen, class b contractor, inertia design co, licensed builder.