Cost GuideUpdated July 4, 2026
Many Highland Park homes, especially those built 50 years ago or more, have traditional toilets that sit low to the floor. This can become a problem for anyone dealing with knee pain, back stiffness, or mobility challenges. Upgrading to a comfort-height toilet is a small bathroom remodel that can make a big difference in daily life, offering easier use for adults, seniors, and guests. Local water supply comes from Lake Michigan, and most older homes have a mix of aging plumbing, so toilet upgrades often present a chance to address hidden issues before they become bigger problems.
What Makes a Toilet "Comfort-Height"?
Comfort-height toilets, also called right-height or ADA-height models, measure 17 to 19 inches from floor to seat. This is 2 to 4 inches taller than standard toilets, which usually sit at about 15 inches. The extra height helps reduce the strain when sitting down or standing up, making bathrooms more accessible for everyone.
Why Highland Park Homes Benefit from Comfort-Height Toilets
The north suburbs have a large stock of single-family homes built in different eras. Many have never had their bathroom fixtures updated, and some still have original porcelain toilets that waste more water with each flush. Highland Park's clay-rich soil also means homes commonly rest on slab or basement foundations, so leaks or long-term drip problems can cause water to accumulate below the floor. A toilet upgrade can uncover old wax rings that have lost their seal, or supply lines and shut-offs showing corrosion, problems our team addresses at the same time as new toilet installation.
On top of accessibility, newer comfort-height models tend to be more efficient. Many use less water per flush, meeting modern conservation standards. This can mean lower water bills and less strain on older drain lines, especially if you're pairing the new toilet with other fixture upgrades or planning a full bathroom remodel.
What Affects the Cost of Toilet Replacement?
The total price for upgrading varies based on several details. Our team sees a range of situations in Highland Park homes. Some of the main factors include:
- Toilet Make and Model: Comfort-height toilets can cost more than basic models, especially if you select a one-piece, skirted, or specialty flushing system.
- Existing Plumbing Condition: If the supply line, shut-off valve, or flange shows corrosion or leaks, we may recommend replacements for long-term reliability. Homes with older galvanized lines often need an update to avoid hidden leaks.
- Disposal of Old Toilet: Hauling away an old, heavy porcelain toilet adds a small amount to the labor cost. Some homeowners want the base wax ring checked for signs of subfloor damage, which adds time and, in rare cases, repair work.
- Additional Upgrades: It's common to replace the supply stop, supply tube, or even install a bidet feature at the same time. Adding accessible grab bars or updating fixtures can also be bundled into the project.
Every home is different, so we recommend a site visit to check for things like pipe corrosion, main shutoff location, and subfloor materials before giving a quote.
What to Expect During Installation
Replacing an old toilet with a comfort-height model generally takes a few hours. We turn off the water, remove the existing toilet, check the flange and supply valve, and replace parts as needed. If we find cast iron or galvanized pipe below the toilet, we might recommend inspecting the line for rust or constriction. Clay soil and a high water table in Highland Park make it important to create a watertight seal to avoid seepage.
We always check that your new toilet is level, tight on the flange, and that all connections are free of leaks. If you're worried about older drain lines, we can pair the job with drain cleaning or even camera inspection to spot any buildup or root intrusion, which is common in older Lake County homes.
Signs It's Time to Upgrade Your Toilet
- Difficulty sitting down or getting up due to the low height
- Wobbling or rocking at the base
- Frequent leaks around the floor or visible water stains
- Ongoing clogs or slow draining after flushing
- Cracks in the tank or bowl
- Increased water bills due to inefficient flushing
- Corroded shut-off valve or loose supply line
If you're noticing any of these, upgrading during a bathroom remodel can tackle several issues in one project. Our plumbers handle everything from a simple swap to more involved pipe repairs if your home's older lines show their age. We also help with upgrades like water heater installations and other fixture improvements for a full bathroom refresh.
How to Get an Accurate Quote
We recommend scheduling a walkthrough so we can look at your home's plumbing setup, especially the main shutoff, supply lines, and any older cast iron connections. We'll look for signs of previous leaks, water stains, or worn wax rings under the old toilet. Our plumbers are familiar with the common challenges of Highland Park's mix of historic, mid-century, and modern homes. If you're planning wider changes, we can work with your contractor to time the toilet install with other bathroom work.
If you've had past issues like water stains on the basement ceiling, or standing water in the sump pit, those might signal bigger drain or sewer line concerns that should be addressed during a remodel. Tackling everything up front minimizes unexpected problems down the road.
For questions or to schedule a comfort-height toilet upgrade anywhere in Highland Park, our local crew is here to help. Call 224-524-1178 to speak to a licensed plumber who can walk you through your options and set up a site visit.