A kitchen remodeling project in El Cajon 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 El Cajon 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 $9,212 to $46,060 for their home remodeling projects.