Compare home addition estimates in Modesto, CA
Free home addition quotes in Modesto, California. Typical range $45,000 – $140,000.
Low
$45,000
Average
$85,000
High
$140,000
Modesto crews quote about $150 – $450 per square foot.
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What drives home addition prices in Modesto
Local labor, permitting and climate move Modesto prices away from the national average.
Labor market
Modesto labor rates sit close to the national average.
Permits
City permits apply to structural, roofing and fence work.
Climate
Valley heat drives cooling loads in summer.
How to compare Modesto quotes
- Collect three written quotes. Anything under $33,750 usually has scope missing.
- Compare line items — materials, labor, permits, disposal — not just the total.
- Confirm license, insurance and workmanship warranty length before you sign.
- Ask what triggers a change order and how it gets priced.
Modesto questions
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