When the dish machine goes down in a restaurant, the whole kitchen slows to the speed of a three-compartment sink. The Ontario list below starts with companies that mention commercial, restaurant or food service work within a longer drive, followed by the nearest appliance repair companies.
Commercial Dishwasher Repair Near Ontario
We found 40 appliance repair companies within 30 miles of Ontario. 9 of them are based in Ontario itself, and the rest are spread across Rancho Cucamonga (9), Chino (5), and Pomona (3). The farthest listed company is about 10 miles out. The closest is Oscaryyaz Appliances Repair, about 1.2 miles away. None of the companies within 30 miles mention commercial or restaurant equipment work by name, so we include matching companies from a longer drive plus the nearest appliance repair companies. Across 35 rated companies, the average public rating is 4.7 stars.
Companies are shown by relevance and distance from Ontario. A mention does not mean manufacturer certification, so ask each company about its experience with your dishwasher.
| With 4.5+ stars and at least 10 reviews | 18 |
|---|---|
| Mention dishwasher work | 0 |
| Open on Saturdays (per listing) | 43 |
| Mention commercial or restaurant work | 3 |
| Repair companies inside 30 miles | 60 |
| Distance to the three closest (mi) | 1.2, 2.3, 2.6 |
At the top of the Ontario list: Jim Appliance Repair (11.9 miles away, based in Diamond Bar, 5.0 stars from 1 reviews, lists Saturday hours); Neilion Inc. Commercial appliance repair. (33.6 miles away, based in Huntington Beach, 5.0 stars from 22 reviews, lists Saturday hours); Trusted Appliance Care (34.6 miles away, based in Ladera Ranch, 4.9 stars from 55 reviews, lists Saturday hours); Diamond Bar Washer & Appliance Repair (11.7 miles away, based in Diamond Bar, 3.0 stars from 2 reviews, lists Saturday hours).
Commercial Dishwasher Work in Ontario
Commercial Dishwasher Problems Worth a Call
- Leaks under the machine or from the doors
- Machine trips the breaker or will not power on
- Water not filling or draining from the tank
- Machine will not reach final-rinse temperature
Have the data plate details ready and ask whether the technician works on your machine type before booking.
Before Anyone Touches the Dishwasher
Hand soap, dish soap or laundry detergent can make a dishwasher over-suds and spill water onto the floor; use only automatic dishwasher detergent. Source: Whirlpool - How to Fix a Leaking Dishwasher
A dishwasher must be grounded; if the home wiring lacks a ground or the plug does not fit the outlet, a licensed electrician should correct it rather than modifying the plug. Source: Whirlpool - Dishwasher User Instructions
More: where dishwasher leaks come from.
Dishwasher Repair Cost Ranges for Reference
Published ranges for dishwasher repairs, for reference when a Ontario company quotes commercial work:
- Detergent / soap dispenser replacement: $50–$90 Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
- Leak repair (including leaking door): $50–$300 Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
- Door gasket / seal replacement: $50–$150 Source: Fixr - How much does it cost to repair a dishwasher?
- Common dishwasher repair: $100–$300 Source: Fixr - How much does it cost to repair a dishwasher?
- Technician labor (plus materials): $50–$100 per hour Source: Fixr - How much does it cost to repair a dishwasher?
A unit that has needed repairs more than once or twice within a year is a candidate for replacement. Source: Fixr - How much does it cost to repair a dishwasher?
Ranges are published estimates, not quotes. See the dishwasher repair cost guide and how long dishwashers last.
Local Notes for Ontario
Most dishwasher calls in Ontario come down to the same handful of parts: the filter and drain path, the drain pump, the inlet valve, the door latch and the heating parts.
California requires businesses that repair major home appliances such as refrigerators, ranges, dishwashers, washers and dryers for pay to register with the Bureau of Household Goods and Services as Major Home Appliance Service Dealers, including out-of-state providers serving California customers. Source: Application for Registration (Electronic and Appliance Repair Dealers) - Bureau of Household Goods and Services
In California, you can check a license with the CSLB Check a License or report a problem to the California Attorney General, Public Inquiry Unit (consumer complaint against a business).
Hiring a Dishwasher Repair Company in Ontario
- If the dishwasher is leaking, will you pull the kick panel to find where the water starts?
- Will you check the filter, drain hose and disposal connection before replacing the pump?
- If a part has to be ordered, how soon can you come back to finish?
Commercial Dishwasher Repair FAQs: Ontario, CA
Is a detergent pump problem a repair call?
Is the helpline a manufacturer?
How quickly can a technician get to a restaurant?
Related Repair Pages for Ontario
Commercial Dishwasher Repair in Nearby Cities
List what the machine is doing (not filling, not reaching temperature, not draining, chemicals not dispensing) and whether a chemical supplier services the dispensers. For a Ontario kitchen, that sorts out who to call first.