How to replace a toilet

Difficulty Intermediate Time 2-4 hours Materials $173–$347 Steps 8
Build a guide for my exact job → Get quotes from local pros
Intermediate2-4 hours
Shut off the water supply before starting.
Do it yourself
$173–$347
parts & materials, about 2-4 hours of your time
Hire a pro
$200–$320
typical all-in price
Rough estimates for guidance only — actual costs vary by job, materials and local prices. Get real quotes.

Tools you'll need

Adjustable wrenchScrewdriverPlunger

Parts & materials

New toilet
Typically need: 1
$150-$300
per each
Toilet wax ring
Typically need: 1
$5-$10
per each
Toilet bolts
Typically need: 2
$3-$6
per each
Water supply line
Typically need: 1
$10-$20
per each
Plumber's tape
Typically need: 1
$2-$5
per each

Estimated materials total: $173–$347. Prices vary by region and retailer.

Step by step

  1. 1 Shut off the water supply Locate the shut-off valve behind the toilet and turn it clockwise to stop the water flow. 10 min
  2. 2 Remove the old toilet Disconnect the water supply line and remove the nuts securing the toilet to the floor. Carefully lift the toilet off the flange. 30 min Adjustable wrenchScrewdriver
  3. 3 Prepare the flange Inspect the toilet flange for damage and clean the area to ensure a good seal for the new toilet. 15 min
  4. 4 Install the new wax ring Place the new wax ring on the flange, ensuring it is centered and ready for the new toilet. 10 min
  5. 5 Set the new toilet Carefully lower the new toilet onto the wax ring, aligning it with the flange bolts. Press down to create a seal. 15 min Ensure the toilet is properly aligned to avoid leaks.
  6. 6 Secure the toilet Tighten the nuts onto the flange bolts to secure the toilet in place. Be careful not to overtighten. 10 min Adjustable wrench
  7. 7 Reconnect the water supply Attach the water supply line to the toilet and turn the shut-off valve counterclockwise to restore water flow. 10 min Adjustable wrench
  8. 8 Test for leaks Flush the toilet and check for any leaks around the base or the water supply line. 10 min

Permits, safety & disposal

Safety rules
  • Shut off the water supply before starting.
  • Use plumber's tape on threaded connections to prevent leaks.
Legal disposal
  • Old toilet should be disposed of at a C&D landfill or through a local waste management service.
Check locally

Check with Naperville local authorities for any specific plumbing codes or disposal regulations.

Rather not do it yourself?

Describe the job and get matched to vetted local pros — free, in seconds, no account needed.

Get local quotes →

This guide is AI-generated for general help and may not fit your exact situation. Know your limits — when in doubt, hire a licensed pro.

More DIY guides

Install a new bathroom vanity faucetReplace a toilet wax ringReplace a shower headUnclog a slow bathroom sink drainFix a dripping kitchen faucetReplace a toilet fill valve that keeps running