
Bathroom Remodeling in Warren, ME
Kenneth Cox Construction starts most bathroom remodeling in Warren, ME projects by standing on the floor beside the toilet, because that is where these jobs usually turn out to be bigger than expected.

- 38 years in business, since 1988
- Over 250 projects completed
- Affordable work, two-year written warranty
Most bathroom remodels in Warren start with a soft spot in the floor beside the toilet. That sponginess is not the flooring failing. It is water that has been seeping past a low toilet flange for years, soaking the subfloor and sometimes the joist underneath.
Ken Cox checks that floor with his own weight during the estimate, before anyone talks tile. Setting new tile over a soft base wastes the money: a tile floor needs a rigid subfloor, and the grout lines will crack within a season without one.
Warren's older village capes and Federals hide this problem well, and so do the rural houses out along the river flats and Route 90. Kenneth Cox Construction has been opening up Knox County bathroom floors since 1988, and every rebuild carries a two-year written workmanship warranty.

Why Warren Residents Hire Us for Their Bathroom Remodel
Kenneth Cox Construction has worked Knox County since 1988, and we have found this exact failure in more houses here than any other single problem.
Our BBB accreditation is public, and each bathroom we finish comes with a two-year written workmanship warranty.
Get a bathroom remodel estimate in Warren
Layout changes and tile work drive the price. Tell us which ones apply.
What other contractor services do we offer in Warren?
Which towns near Warren do we serve?
Where is our shop?
Directions from Warren, ME to our shop in Searsmont
128 New England RoadSearsmont, ME 04973
What Bathroom Remodeling Services Do We Offer in Warren?
- bathroom vanities, sinks, and fixtures
- walk-in showers and custom shower remodels
- tub-to-shower conversions
- tile work (floor, wall, shower surround)
- bathroom layout and design changes
- plumbing relocation
- accessibility and aging-in-place upgrades
What is our bathroom remodeling process in Warren?
Get your free quote
Ken checks the floor around the toilet and the ceiling below it, then tells you whether this is a bathroom job or a structural one.
We bring your project to life
Damaged subfloor and framing are replaced, the flange is reset to the right height, then the finished floor goes down on something solid.
Enjoy your new space
The floor stops moving, the smell goes, and the toilet sits on a seal that will hold.

Why choose us for bathroom remodeling in Warren, ME?
Choose us for bathroom remodeling in Warren, ME because we fix the floor under the toilet, not only the toilet. A toilet seals to the floor with a wax ring at a fitting called the flange, and when that flange sits too low, or the toilet has rocked even slightly for a few years, the seal weeps a small amount every flush.
None of it shows. The water goes straight into the subfloor around the pipe, and by the time the floor feels springy the plywood is soft and sometimes the joist below has taken damage too.
Tiling over that is money thrown away. The new floor will crack within a season, because a tile assembly needs a rigid base and this one has none.
A floor that gives slightly underfoot is not a flooring problem. It is water that has been leaving a toilet slowly, for years, into the subfloor around the flange.
Ken checks it during the estimate, and everything we rebuild carries a 2-year workmanship warranty from a BBB accredited company.

We do bathroom work in Warren for owners of the village capes and Federals, plus farms and larger rural parcels along Route 90 and the river, most of whom have owned the house long enough to notice a change underfoot.
We also get called by people who have just bought here and discovered on the first weekend that the bathroom floor moves.
The repair actually involves removing the toilet and flooring, cutting back the subfloor to sound material, sistering or replacing any joist that has suffered, then rebuilding the deck and setting the flange at the correct height.
Flange height is the detail that prevents a repeat. Set it flush with the finished floor rather than below it, and the seal works as designed for decades.
We work the village, the farms and larger properties along Route 90, and the river flats where the ground holds water well into spring.
Rural properties here run on wells and septic systems, so a leaking toilet is worth fixing for the water it wastes as much as for the floor it is ruining.
Bathrooms are interior work and run through the winter, which is when we would rather be inside anyway given how the exterior season works in this county.
An active leak does not wait for a convenient date. The damage spreads through the subfloor steadily, and a small repair becomes a joist repair over a couple of seasons.
This happens so often in these houses because of age first. Many of these bathrooms were fitted decades ago onto floors that were already old, and nothing about that assembly was designed for a lifetime.
Movement is the second. Frost and seasonal shifting in this area move old floors, and a toilet that starts to rock will keep working at its seal.
Concealment is the third. Everything about this failure happens under the fixture and inside the floor, so it is invisible until it is structural.
Ask the contractor to check the floor around the toilet before quoting the room. Anyone quoting a bathroom without doing that is quoting a guess.
Then ask what happens if the subfloor is rotten. The answer should be a written allowance, not a shrug and a change order in week two.
The repair costs very little when it is caught early, because subfloor replacement around a flange is a modest job. Once a joist end has gone, the number climbs, because the work moves from carpentry into structural repair.
We carry the repair as a written allowance in every quote on a house of this age, so a soft floor is a number you already knew about.
What should you ask before hiring in Warren?
Do I need a permit to replace a bathroom floor?
You need a permit to replace a bathroom floor where structural repair and any plumbing work are involved. We arrange it with Warren Code Enforcement and meet the inspector ourselves.
Can you just replace the wax ring?
We can just replace the wax ring if the floor is still sound, and that is a cheap fix worth doing. Once the subfloor is soft, a new ring seals against nothing.
How do I know if it has reached the joists?
You know it has reached the joists by looking from below, if there is access. Staining or dark streaking on the joist beside the pipe is the sign we look for.
Is a leaking toilet actually wasting much water?
A leaking toilet is actually wasting less water than a running fill valve, though on a well and septic system either one matters. WaterSense guidance covers what a modern replacement saves.
Bathroom Vanities, Showers, Tile, and Fixtures
When a Warren bathroom has water damage, finish selection comes after the source and the damaged structure are corrected. We would rather reinstall a straightforward surround over sound framing than place expensive tile over a questionable wall.
The durable remodel is the one that removes the failure, not the one that merely hides its stain.
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How do you start a Warren project?
You start a Warren project by pressing a foot down beside the toilet. If the floor moves at all, or the flooring has lifted near the base, that is worth having looked at before it becomes framing work.
Ken will check it for free and tell you how far it has gone. His number is 207-386-9235.







