Typical project costs for California.
Renovation costs in California run about 138% of the national average. A mid-range kitchen runs ~$34,500, a bathroom ~$16,560, and a full remodel ~$152/sqft.
Labor is the biggest local variable. Price your specific project in the renovation cost calculator, kitchen, bathroom or roof calculators.
Reserve ~15% for surprises, get at least three local quotes, and keep plumbing/structural layouts where possible to control cost.