A bathroom accessibility retrofit is about staying home
A bathroom accessibility retrofit rebuilds an existing bathroom so it works for someone whose balance, strength or reach has changed. Most of the calls we get come after something happened. A fall on a wet tub floor. A hip replacement scheduled for six weeks out. A parent moving in and the only full bath is up thirteen steps with a 28-inch door.
Market ranges in Southeast Michigan for a full accessible rebuild of an existing bathroom run $14,000 to $34,000. A standard full bathroom remodel in the region runs $16,000 to $35,000 and up, and accessibility work adds roughly 20 to 30 percent to the shower portion while sometimes saving money elsewhere, because grab bars cost less than a freestanding tub. A targeted safety package, meaning grab bars, a comfort-height toilet and one widened doorway, lands at $2,500 to $6,000.
Those are regional market figures rather than a quote. The difference between the two ends of that range is almost always the shower floor and the doorway, and both answers live under your existing tile.
The line most contractors will not tell you
The Americans with Disabilities Act does not apply to a private house. Neither does Michigan’s barrier-free design requirement, which governs public buildings. Anyone selling you an ADA bathroom for your home is using a word that has no legal force on your property.
What matters instead is universal design, which borrows the useful dimensions from those standards and drops the ones that were written for hotel lobbies. That is a better deal for you, because it means the bathroom gets built around the person using it rather than around a code table. A woman who transfers from a wheelchair needs different clearances than a man who walks with a cane and gets dizzy standing up. Our writeup on universal design and aging in place in Michigan covers the difference at length.
The numbers worth holding onto are these. A doorway wants 32 inches of clear opening, which takes a 36-inch door once you account for the stop and the hinge side. A wheelchair wants a 60-inch turning circle, or a 48-inch clear approach at minimum. A shower seat sits 17 to 19 inches off the floor, the same height as a comfort-height toilet, because a consistent transfer height is easier on the body than a good height in one spot.
The curbless shower is the whole project
Almost every accessibility retrofit turns on one decision, which is whether the shower floor sits flush with the bathroom floor. A curb is a trip hazard, and a wheelchair or a walker cannot cross it at all. Getting rid of it means recessing the shower pan into the floor structure, which means opening the subfloor and working between the joists.
Whether that is straightforward or expensive depends on which way your joists run and how deep they are. A pan set parallel to the joists usually drops in. A pan that needs to cross them means sistering, blocking or a structural detail, and on the second floor of a 1920s Ann Arbor bungalow it can mean opening the ceiling below. A linear drain against the wall gives you a single-plane slope, which is easier to roll across than the four-way pitch of a center drain.
Curbless conversions run $6,000 to $10,000 for a standard build, and $3,500 to $15,000 for a custom tiled one depending on size and pattern. If you are choosing between keeping the tub and losing it, our comparison of a walk-in shower against a bathtub puts the resale question in plain numbers, and the bathtub to shower conversion page covers the mechanics. A walk-in shower with a low threshold is the middle option when the floor cannot be recessed.
What else changes, and what it costs
The rest of the scope is smaller money and larger daily difference. Blocking behind the tile matters more than the bars themselves, because a grab bar has to hold a 250-pound static load and drywall anchors do not. Blocking goes in during framing, and it costs almost nothing then and a wall demolition later.
- Grab bars, $100 to $350 each installed, with a three-bar bathroom running $400 to $900. Placement gets decided with the person who will use them, standing in the room.
- Comfort-height toilet, $400 to $1,000 installed, and worth pairing with a wall-mounted plumbing fixture layout that leaves a clear approach.
- Doorway widening, $700 to $2,500 per opening and about $1,200 typical, more if the wall is load bearing or the electrical panel feeds through it.
- Roll-under vanity, $200 to $1,000 and up for a countertop swap with knee clearance, or more with a full vanity and storage rebuild.
- Slip resistance and light, which means small-format floor tile with a wet rating and roughly twice the lighting and ventilation most older bathrooms carry.
An anti-scald thermostatic valve belongs in every one of these, because reaction time to hot water is exactly what changes with age and with some medications. Heated flooring is not a luxury item in this scope either. A warm floor is a floor people are willing to stand on with bare feet instead of rushing.
Three ways people actually use the room
A bathroom built for the wrong pattern of use is an expensive bathroom that still does not work. Before anything gets drawn we sort out which of three situations we are designing for, because they want different rooms.
Someone who walks but is unsteady needs traction, light and something to hold at every point between the door and the toilet. Clear floor space matters less than the continuity of the handholds, and the most common mistake is a beautiful open room with nothing to grab in the middle of it.
Someone who uses a wheelchair or a rollator needs the turning circle, the roll-under sink and the curbless entry, and they need the door to stop stealing floor area. That is where an out-swing door or a barn-style slider earns its cost, and where a wall-hung toilet buys back nine inches of approach.
Someone who needs a caregiver in the room needs space for two people plus equipment, which is the scope people undersize most often. Two adults at a transfer want five feet of clear floor on the open side, plus somewhere to set towels and supplies within reach. A linen closet inside the room rather than down the hall stops being a nice touch and becomes the difference between one trip and three.
If the need extends past this room, accessibility work elsewhere in the house is worth scoping at the same time, and a consultation is the place to sort it out.
Which bathroom in your house is the right one
The bathroom you should retrofit is often not the one you were thinking of. In the 1950s ranches across Plymouth, Canton and Livonia, the main-floor hall bath is usually a five-by-eight with a 30-inch door, and it is the best candidate on the property because it is on the same level as the bedroom and the kitchen.
In the 1920s and 1930s bungalows around Ann Arbor, the only full bath is upstairs and the stair is the real problem. Sometimes the honest recommendation is a half bath addition on the main floor expanded into a full one, or a bathroom addition off a first-floor bedroom, rather than a beautiful accessible bathroom nobody can reach. A powder room with a stacked plumbing wall is the cheapest place to start that conversation.
If the room measures under 45 square feet, the small bathroom remodel page covers what fits in 40 square feet. If the space is generous, the master bathroom remodel path lets accessibility and a good-looking room share the same budget. Broader work outside the bathroom routes through accessibility modifications, which covers entries, ramps and door hardware.
Timeline and living through it
Design and selections run two to three weeks. Permitting is quick for a bathroom in most of our jurisdictions. Construction runs three to five weeks for a full accessible rebuild, and two to four days for a targeted safety package. The bathroom renovation timeline page breaks the stages out day by day.
If it is your only full bathroom, say so at the first visit. We sequence around it, keep the toilet in service as long as the rough plumbing allows, and tell you the exact days you will need somewhere else to shower rather than discovering it together on a Tuesday. When the retrofit follows a surgery date, the date drives the schedule and we work backward from it. That is a real constraint and it belongs in the contract, not in a hopeful conversation.
What to look at before you spend anything
Five things determine the budget, and you can check four of them yourself in ten minutes. Which way do the floor joists run under the shower, visible from the basement in most houses. Is the bathroom wall an exterior wall, because insulation and grab bar blocking compete for the same cavity. Does the door swing into the room, which blocks a rescue if someone falls against it, and can it become an out-swing or a sliding door. How wide is the clear opening with the door fully open, measured stop to stop rather than by the door slab.
The fifth is ours. We pull a tile and look at the substrate, because a 1965 mud-set floor and a 2004 backer-board floor lead to different shower details and different money. That look also settles whether the plaster is worth saving, which matters in older Washtenaw County housing stock where cutting a chase through lath is slower than framing new. It is also when we confirm the shower door can be dropped entirely in favor of an open entry.
Questions we get asked
Will an accessible bathroom hurt resale
A curbless shower with a linear drain, good light and a wide door reads as current design rather than as medical equipment. What hurts resale is a house with no bathtub at all in a family neighborhood, and that is worth a conversation if you have more than one full bath.
Can you do it without moving the plumbing
Often yes, and it saves real money. Keeping the toilet and the shower drain in place while changing the shower floor and the door is the most cost-effective version of this project. Moving fixtures across the room is what turns a five-week job into an eight-week one.
Does insurance or Medicare pay for any of it
Standard Medicare does not cover home modifications. Some Medicare Advantage plans, VA programs and Michigan waiver programs do cover specific items, and the rules change. Ask your plan before you assume either way, and get the answer in writing.
Should we just add grab bars for now
Sometimes that is the right call, and we will install them and leave. It is the wrong call if the wall has no blocking, because then you have bars that feel secure and are not. We check that before quoting anything.
Start with the person, then the room
We are a design-build contractor in Ypsilanti, so the drawings and the crews are ours and there is one contract for the whole job. See how a project runs, check current Michigan bathroom costs, or view our portfolio. The bathroom design page shows how selections get made, and tile and flooring covers slip ratings in plain language.
Contact us now for a free quote, or call the shop at (734) 540-0347. Bring the person who will use the bathroom to the first meeting if you can. Their reach and their transfer decide half the drawing. Request an estimate and we will measure the door first.
