Licensed Plumber Required

Main Water Line Repair Cost in Saint Louis, MO

Cast Iron – 1 Bath (Pre-1960)

The average cost of main water line repair in Saint Louis, MO with Cast Iron pipes (1-bath, 900 sq ft) is $2,060, with most homeowners paying between $1,710 and $2,510 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Saint Louis, MO

Parts & Materials
$780
Cast Iron profile
Labor
$1,160
9.6 hrs x $102/hr
Permits & Misc
$120
permits, disposal, parts
Total Estimate
$2,060
Range: $1,710-$2,510

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

Home Profile

Pipe Material
Cast Iron
Bathrooms
1 Bath
Home Size
900 sq ft
Local Labor Rate
$102/hr

Signs You Need This Service

  • !Low water pressure throughout entire home
  • !Water pooling in yard near street
  • !Unexplained spike in water bill
  • !Discolored or dirty tap water
  • !Wet or sunken ground between meter and house

What is Included

  • +Pressure test to confirm and locate break
  • +Excavate over damaged section
  • +Repair or replace damaged pipe
  • +Backfill and restore yard surface
  • +Final pressure test
  • +Coordinate shutoff with utility provider

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: $1,710 to $2,510

Compare Quotes from Top-Rated Plumbers via Angi

Frequently Asked Questions

How much does main water line repair cost in Saint Louis, MO?

The average cost of main water line repair in Saint Louis, MO is $2,060, with most homeowners paying between $1,710 and $2,510 depending on home conditions and contractor availability.

How long does main water line repair take?

Most main water line repair jobs take 9.6 hours for a 1-bathroom home with Cast Iron pipes. Complex jobs or older homes may require additional time.

Can I do main water line repair myself?

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

What affects main water line repair cost in Saint Louis?

Key cost factors include pipe material (Cast Iron), home size (900 sq ft, 1 baths), local labor rates ($102/hr in Saint Louis), and permit fees.

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