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Septic System Costs in Maine (2026)

Based on BLS wage data, septic system in Maine costs an average of $8,923, ranging from $8,681 to $9,211.

Maine Average $8,923

Septic System Costs by City in Maine

Portland $8,681 Lewiston $9,211 Bangor $8,879

Compare Septic System Costs in Nearby States

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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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