Licensed Plumber Required

Sewer Line Replacement Cost in Saint Paul, MN

Cast Iron – 1 Bath (Pre-1960)

The average cost of sewer line replacement in Saint Paul, MN with Cast Iron pipes (1-bath, 900 sq ft) is $7,510, with most homeowners paying between $6,230 and $9,160 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Saint Paul, MN

Parts & Materials
$3,530
Cast Iron profile
Labor
$3,620
26.6 hrs x $115/hr
Permits & Misc
$360
permits, disposal, parts
Total Estimate
$7,510
Range: $6,230-$9,160

* Estimates based on Saint Paul area labor rates ($115/hr). Actual costs vary. Get 3 quotes.

Home Profile

Pipe Material
Cast Iron
Bathrooms
1 Bath
Home Size
900 sq ft
Local Labor Rate
$115/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 Paul?

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

Fair range: $6,230 to $9,160

Compare Quotes from Top-Rated Plumbers via Angi

Frequently Asked Questions

How much does sewer line replacement cost in Saint Paul, MN?

The average cost of sewer line replacement in Saint Paul, MN is $7,510, with most homeowners paying between $6,230 and $9,160 depending on home conditions and contractor availability.

How long does sewer line replacement take?

Most sewer line replacement jobs take 26.6 hours for a 1-bathroom home with Cast Iron 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 Paul?

Key cost factors include pipe material (Cast Iron), home size (900 sq ft, 1 baths), local labor rates ($115/hr in Saint Paul), and permit fees.

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