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Septic System Costs in Colorado (2026)

Based on BLS wage data, septic system in Colorado costs an average of $9,615, ranging from $9,082 to $10,180.

Colorado Average $9,615

Septic System Costs by City in Colorado

Denver $10,180 Colorado Springs $9,790 Aurora $9,410 Fort Collins $9,082

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Alex - Founder

Reviewed by

Alex Johnson, P.E.

Mechanical Engineer • 15+ Years Home Repair Experience • Licensed Contractor

All cost data on this page has been verified against BLS and Census Bureau records. See our methodology →

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