Licensed Plumber Required

Sewer Line Replacement Cost in Saint Louis, MO

PEX Pipes – 2 Bath

The average cost of sewer line replacement in Saint Louis, MO with PEX pipes (2-bath, 1,500 sq ft) is $4,580, with most homeowners paying between $3,800 and $5,590 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Saint Louis, MO

Parts & Materials
$2,410
PEX profile
Labor
$1,910
15.8 hrs x $102/hr
Permits & Misc
$260
permits, disposal, parts
Total Estimate
$4,580
Range: $3,800-$5,590

* Estimates based on Saint Louis area labor rates ($102/hr). Actual costs vary. Get 3 quotes.

Home Profile

Pipe Material
PEX
Bathrooms
2 Bath
Home Size
1,500 sq ft
Local Labor Rate
$102/hr

Signs You Need This Service

  • !Recurring sewer backups despite repeated cleaning
  • !Sewer line over 40 years old
  • !Tree root intrusion confirmed on camera
  • !Collapsed or offset pipe sections
  • !Escalating repair costs with no lasting fix

What is Included

  • +Full camera inspection and mapping
  • +Excavate full sewer line length
  • +Remove old clay, cast iron, or Orangeburg pipe
  • +Install new PVC or HDPE sewer line
  • +Backfill and restore landscaping
  • +Permit, inspection, and city approval

Ready to Hire a Plumber in Saint Louis?

Use this estimate as your baseline. Get at least 3 quotes and ask each plumber to itemize parts, labor, and permits separately.

Fair range: $3,800 to $5,590

Compare Quotes from Top-Rated Plumbers via Angi

Frequently Asked Questions

How much does sewer line replacement cost in Saint Louis, MO?

The average cost of sewer line replacement in Saint Louis, MO is $4,580, with most homeowners paying between $3,800 and $5,590 depending on home conditions and contractor availability.

How long does sewer line replacement take?

Most sewer line replacement jobs take 15.8 hours for a 2-bathroom home with PEX pipes. Complex jobs or older homes may require additional time.

Can I do sewer line replacement myself?

This job requires a licensed plumber due to permit requirements, complexity, or safety considerations.

What affects sewer line replacement cost in Saint Louis?

Key cost factors include pipe material (PEX), home size (1,500 sq ft, 2 baths), local labor rates ($102/hr in Saint Louis), and permit fees.

Explore Related Pages

-> Water Heater Replacement (Tank) for this home profile-> Same service in Kansas City, MO-> Same service in New York, NY-> Same service in Los Angeles, CA

Affiliate disclosure: Plumbing Repair IQ participates in the Amazon Associates program. Shop related products