Septic System Costs in Pennsylvania (2026)

Based on BLS wage data, septic system in Pennsylvania costs an average of $8,638, ranging from $8,229 to $9,208.

Septic System Costs by City in Pennsylvania

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 →