Septic System Labor Cost in Denver, CO (2026)

Septic System labor in Denver runs $2,180-$6,540, about 9% above the national average. This is the septic installer labor charge only, separate from materials.

Estimate labor only
Estimated septic system labor
$4,360
Range $2,180 - $6,540
Labor rate: $4,360
Local index: 1.09x
Labor only. Materials are billed separately.
City labor avg
$4,360
vs national
+9%
Local septic installer hourly
$32/hr
Concrete septic tank being lowered into excavation

A detailed Denver labor guide for this trade is being prepared. In the meantime, use the calculator above for a local labor-only estimate.

See full septic system cost in Denver (labor + materials)
Nearby labor costs: Phoenix, AZ · Los Angeles, CA
All septic system labor costs by city →

Frequently asked questions

Labor for a septic system in Denver, CO runs $2,180-$6,540, about 9% above the national average. That covers the septic installer crew's time, not materials.