https://www.fixr.com/costs/roof-replacement-california
The average cost of a roof replacement in California. On average, it costs between $12,000 and $20,000 to replace a roof in California, with most homeowners ...

https://theroofdoctors.net/roofing-costs-in-california-the-cost-of-a-new-roof/
Underlayment: Underlayment installation costs might range from $2.50 to $5.00 per square foot. Roof pitch. Your replacement's price will depend ...

https://www.billraganroofing.com/blog/how-much-composition-roof-cost
For a two-story house with a little complexity and good accessibility, you can expect your new composition roof to cost around $5.86 per square ...