The median home price in California is $785,000, with a current 30-year fixed mortgage rate of 6.85%. A buyer putting 20% down on the median home would carry a loan of $628,000, resulting in a monthly principal and interest payment of $4,115. Once property taxes and insurance are added, total monthly housing costs reach $4,933.
Property taxes in California average 0.75%, near the national average of 1.1%. On the median California home, property taxes add $491/month to total housing costs.
California levies a state income tax of 1%–13.3%, which affects take-home pay and therefore what you can realistically budget for housing. Mortgage interest may be deductible on both federal and California state returns — consult a tax professional for your situation.