A kitchen remodeling project in California costs an average of $20,000, while most smaller projects could only cost between $10,000 and $15,000 and may include wall repainting, fixing cabinets, upgrading sinks, and installing new tiles. An astounding $30,000+ worth of California kitchen remodeling may include customized cabinets and cupboards, installing granite countertops, hardwood flooring, and some state of the art appliances. Most homeowners, according to studies, spend about $8,473 to $42,369 for their home remodeling projects.