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St. Louis, MO city skyline — best Septic System Installation & Replacement contractors
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🏆 Verified Rankings

Best Septic System Installation & Replacement in St. Louis, MO

5 providers ranked by licensing, pricing transparency, response time, and verified reviews.

Cost GuideComparisonsFAQ
#1

St. Louis Septic Services

⭐ Top Pick

Best for: Septic pumping, inspection, and installation in St. Louis

Response Time
3
Pricing Transparency
4
License Verified
5
Service Breadth
3
Overall Score
4

Pros

Licensed septic contractor

County health department familiar

Emergency pump-out available

Cons

Septic permits take 2-4 weeks

Rural area focus

#2

Roto-Rooter Septic

Best for: Local septic system service in St. Louis

Response Time
3
Pricing Transparency
3
License Verified
5
Service Breadth
3
Overall Score
4

Pros

Licensed in MO

Insured and verified

Local St. Louis experience

Cons

Smaller team

Limited geographic area

#3

Mr. Rooter Plumbing

Best for: Local septic system service in St. Louis

Response Time
3
Pricing Transparency
3
License Verified
5
Service Breadth
3
Overall Score
4

Pros

Licensed in MO

Insured and verified

Local St. Louis experience

Cons

Smaller team

Limited geographic area

#4

ARS Septic Services

Best for: Local septic system service in St. Louis

Response Time
3
Pricing Transparency
3
License Verified
5
Service Breadth
3
Overall Score
4

Pros

Licensed in MO

Insured and verified

Local St. Louis experience

Cons

Smaller team

Limited geographic area

#5

Flush Masters Septic

Best for: Local septic system service in St. Louis

Response Time
3
Pricing Transparency
3
License Verified
5
Service Breadth
3
Overall Score
4

Pros

Licensed in MO

Insured and verified

Local St. Louis experience

Cons

Smaller team

Limited geographic area