Ontario · San Bernardino County
Ontario bathroom remodeling and tub-to-shower conversions
Acrylic showers and tub replacements for Ontario homes.
Free in-home visit, written price the same day, no salesperson, you meet the installer.
Ontario at a glance
Ontario homes and their bathrooms.
The largest share of Ontario homes, about 21%, was built in the 1980s. If your bathroom still has its original tub, we can replace it with a walk-in shower, often in a day.
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates, table B25034 (year structure built), checked 10/22/2026.
How a Ontario estimate works
- 01
Call or send the form.
Monday–Saturday, 7am–7pm. Sunday closed.
- 02
We come to your house.
We measure, bring samples and give you a written price. Most visits take under an hour.
- 03
You get a written price.
Estimates are free and happen in your house, not a showroom.
Ontario estimate: (657) 650-6111
Get a free estimate →What we do
What that means for an Ontario bathroom.
Ontario's Building Counter closes for staff meetings on Tuesday mornings, so we plan counter visits around those hours.
Wall options: Full Wall Acrylic Panel, Palisade Tile, laminate and synthetic stone, over an acrylic shower base or tub. See materials →
Ontario questions
What does a tub-to-shower conversion cost in Ontario?
Tub-to-shower conversions and tub replacements start at $10,000. Full bathroom remodels are quoted per project. We accept cards, PayPal, Venmo, Zelle, bank transfer/eCheck, wire and checks.
What warranty comes with a new shower?
Limited lifetime warranty on the shower base and wall materials, plus a 10-year workmanship warranty. For the original homeowner; not transferable.
How long does the work take?
Jobs often finish in a day once materials are on site. Hidden rot can take longer. Why we open the walls
Do you install over my existing tile?
Usually no. Demo to the studs is the usual method. Overlay is rare. See wall materials
Who issues bathroom permits in Ontario?
The City of Ontario Building Department, at City Hall, 303 East B Street, (909) 395-2023. We pull what's required for your job and tell you on the visit.
When is the Ontario Building Counter open?
Monday through Thursday, 7:30 a.m. to 5:30 p.m., and Friday, 8:00 a.m. to 5:00 p.m. It is closed for staff meetings every Tuesday from 7:30 to 9:00 a.m. and the first Thursday of every month from 8:00 to 10:00 a.m.
Ontario estimate: (657) 650-6111
Get a free estimate →Ontario permits
Permits in Ontario: the Building Department.
- Ontario's Building Department is at City Hall, 303 East B Street, (909) 395-2023.
- The Building Counter is open Monday through Thursday, 7:30 a.m. to 5:30 p.m., and Friday, 8:00 a.m. to 5:00 p.m.
- The counter is closed for staff meetings every Tuesday from 7:30 to 9:00 a.m. and the first Thursday of every month from 8:00 to 10:00 a.m.
- Since 01/03/2024, a fee applies to more than one extension request on the same plan check or permit; the first request is free.
CA Lic. B & C-36 #1139422.
Source: City of Ontario (Building page), checked 10/22/2026.