Most dishwasher breakdowns trace back to a short list of parts: the filter and drain path, the drain pump, the water inlet valve, the door latch and the controls. The Knoxville list below starts with companies that show dishwasher work in their listings, followed by other appliance repair companies nearby.
Local Dishwasher Repair in Knoxville, TN
39 repair companies serve Knoxville from within 30 miles. 21 list an address in Knoxville, and the rest are spread across Maryville (3), Lenoir City (3), and Sevierville (3). Distances run up to about 29 miles. The 37 rated companies in range average 4.4 stars. The closest is Doctor Appliance, about 1.1 miles away.
Companies are shown by relevance and distance from Knoxville. A mention does not mean manufacturer certification, so ask each company about its experience with your dishwasher.
| Repair companies inside 30 miles | 39 |
|---|---|
| Rated 4.5 stars or higher (10+ reviews) | 19 |
| Three nearest companies, miles away | 1.1, 1.4, 1.5 |
| Mention a major dishwasher brand | 0 |
| Name dishwashers in their listing | 0 |
| Listing Saturday hours | 20 |
First up for Knoxville: Doctor Appliance (1.1 miles away, 4.8 stars from 314 reviews); Appliance Repair Service,Inc (6.2 miles away, based in Powell, 4.9 stars from 494 reviews); Mr. Appliance of Knoxville (7.8 miles away, 4.6 stars from 1,973 reviews); ProTech Appliance Repair, Inc. (2.2 miles away, 4.9 stars from 270 reviews, lists Saturday hours).
Signs Your Dishwasher Needs a Technician
- Grinding, humming or buzzing during the cycle
- An error code on the display
- Detergent left in the dispenser after the cycle
- Standing water in the bottom after a cycle
What Usually Goes Wrong
How a Dishwasher Service Call Usually Goes in Knoxville
Troubleshooting first? Start with dishwasher not filling with water or dishwasher smells bad.
Leaks and Safe Shutoff
Shut off the dishwasher's water supply during repairs or whenever it is leaking; the valve is usually under the kitchen sink on the branch line that runs to the dishwasher, and it closes by turning clockwise. Source: GE Appliances - Dishwasher Water Shut-Off Location
Built-in dishwashers are typically specified for their own properly grounded 120-volt branch circuit protected by a 15- or 20-amp breaker or time-delay fuse, with no extension cords or adapter plugs. Source: GE Appliances - Built-In Dishwasher Installation Instructions
More: where dishwasher leaks come from.
What Dishwasher Repair Costs in Knoxville
Most dishwasher repairs involve one part and an hour or so of labor, which is why many are worth pricing before you shop for a new one. Published ranges:
- Drain pump repair: $100–$250 Source: Fixr - How much does it cost to repair a dishwasher?
- Motor repair: $200–$500 Source: Fixr - How much does it cost to repair a dishwasher?
- Detergent / soap dispenser replacement: $50–$90 Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
- Typical dishwasher repair (most homeowners): $160–$300 Source: HomeAdvisor - How Much Does Dishwasher Repair Cost?
- Diagnostic fee: $50–$75 per visit Source: Fixr - How much does it cost to repair a dishwasher?
If a repair would cost more than about half the price of a new dishwasher, replacing it is usually the better value. 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 Knoxville
Knoxville Utilities Board (KUB), which supplies Knoxville, reports hardness of averages about 94 ppm (mg/L), moderately hard. Hard water leaves spots and film on glasses and builds up on dishwasher spray arms and inlet screens, which is worth mentioning when you book a repair. Source: KUB 2025 Water Quality Report
Tennessee's Board for Licensing Contractors does not list an appliance repair license among the licenses it issues (general contractor, home improvement, limited licensed electrician and limited licensed plumber). Source: TN Board for Licensing Contractors
In Tennessee, you can check a license with the Tennessee Department of Commerce and Insurance: Verify a License or report a problem to the Tennessee Division of Consumer Affairs (Office of the Attorney General).
Before You Book in Knoxville
- Will you check the filter, drain hose and disposal connection before replacing the pump?
- Do you also handle the water supply and drain connections, or should I call a plumber for those?
- What guarantee do you give on parts and labor?
Dishwasher Repair FAQs: Knoxville, TN
Why are my dishes still wet?
Why does my dishwasher smell?
Is the helpline a manufacturer?
What does a dishwasher repair usually cost?
Find Your Dishwasher Brand in Knoxville
Dishwasher Repair Near Knoxville
Write down the model and serial number from the label on the edge of the dishwasher door or tub opening, and note any error code or blinking lights. It saves a Knoxville technician a trip for parts.