DIY Possible - Licensed Plumber Recommended

Toilet Installation or Replacement Cost in Seattle, WA

Cast Iron – 1 Bath (Pre-1960)

The average cost of toilet installation or replacement in Seattle, WA with Cast Iron pipes (1-bath, 900 sq ft) is $890, with most homeowners paying between $740 and $1,090 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Seattle, WA

Parts & Materials
$400
Cast Iron profile
Labor
$450
3 hrs x $129/hr
Permits & Misc
$40
permits, disposal, parts
Total Estimate
$890
Range: $740-$1,090

* Estimates based on Seattle area labor rates ($129/hr). Actual costs vary. Get 3 quotes.

Home Profile

Pipe Material
Cast Iron
Bathrooms
1 Bath
Home Size
900 sq ft
Local Labor Rate
$129/hr

Signs You Need This Service

  • !Cracked toilet bowl or tank
  • !Toilet runs constantly or rocks on floor
  • !Frequent clogs or weak flush
  • !Upgrading to high-efficiency model
  • !Old toilet leaking at base

What is Included

  • +Shut off water and remove old toilet
  • +Replace wax ring and flange if needed
  • +Set and bolt new toilet
  • +Connect water supply line
  • +Test flush and check all connections

DIY Potential

This job is DIY-viable for homeowners with basic plumbing skills. Check local permit requirements first.

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Ready to Hire a Plumber in Seattle?

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

Fair range: $740 to $1,090

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Frequently Asked Questions

How much does toilet installation or replacement cost in Seattle, WA?

The average cost of toilet installation or replacement in Seattle, WA is $890, with most homeowners paying between $740 and $1,090 depending on home conditions and contractor availability.

How long does toilet installation or replacement take?

Most toilet installation or replacement jobs take 3.0 hours for a 1-bathroom home with Cast Iron pipes. Complex jobs or older homes may require additional time.

Can I do toilet installation or replacement myself?

This is a DIY-viable job for homeowners with basic plumbing skills. However, always check local permit requirements first.

What affects toilet installation or replacement cost in Seattle?

Key cost factors include pipe material (Cast Iron), home size (900 sq ft, 1 baths), local labor rates ($129/hr in Seattle), and permit fees.

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