Most LG dishwasher repairs in San Mateo involve the same few systems: the filter and drain, the water supply, the door latch, the heat and the controls. We flag companies whose listing or website mentions LG and fill in with nearby appliance repair companies so you always have options.
This is an independent directory. We are not affiliated with LG, and the technicians listed are independent repair companies, not the manufacturer.
Independent LG Dishwasher Technicians, San Mateo CA
Our data shows 40 appliance repair companies inside a 30-mile radius of San Mateo. 18 of them are based in San Mateo itself, and the rest are spread across Burlingame (9), Belmont (7), and Foster City (5). The farthest listed company is about 3 miles out. None of the repair companies near San Mateo name LG in their listings, so we show the closest appliance repair companies. Ask each one about your model before booking. Appliance Diamond is the nearest, roughly 0.3 miles from San Mateo. Across 31 rated companies, the average public rating is 4.7 stars.
Companies are shown by relevance and distance from San Mateo. A mention does not mean manufacturer certification, so ask each company about its experience with your dishwasher.
| Repair companies inside 30 miles | 60 |
|---|---|
| Rated 4.5 stars or higher (10+ reviews) | 15 |
| Open on Saturdays (per listing) | 40 |
| Mention LG | 0 |
| Name dishwashers in their listing | 1 |
| Distance to the three closest (mi) | 0.3, 0.4, 0.9 |
Closest matches for San Mateo: Delta High End Appliance Repair (0.9 miles away, 4.9 stars from 162 reviews, lists Saturday hours); Appliance Repair Today (2.8 miles away, based in Burlingame, 4.8 stars from 539 reviews, lists Saturday hours); Commercial Home Products (1.7 miles away, 5.0 stars from 188 reviews, lists Saturday hours); Powerstream Appliance Repair (3.1 miles away, based in Burlingame, 4.9 stars from 157 reviews, lists Saturday hours).
LG Dishwasher Lines and Features
How LG Dishwashers Are Built
QuadWash models run four spray arms rather than two, so a blocked or damaged arm is one of several parts a tech checks for poor cleaning. Source: LG USA - 24 Inch Smart Dishwasher with QuadWash and Adjustable 3rd Rack, 44dB
LG uses a removable mesh filter that the owner twists counterclockwise to lift out and rinse, rather than a self-cleaning grinder. Source: LG USA Support - How to Fix an LG Dishwasher That Is Not Draining (OE Error)
Common LG Dishwasher Problems
- Dishwasher leaking. LG says most leaks come from installation, detergent or upkeep, so check that the unit is level and the door gasket is clean before looking at connections. Source: LG USA Support - LG Dishwasher: How to Fix Common Leaking Issues
- Dishwasher not filling. LG says to confirm the house has water, straighten a kinked inlet hose and make sure the supply valve under the sink is fully open. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes
Reading a LG Dishwasher Error Code
| Code | What it means |
|---|---|
| nE | The vario pump impeller is not spinning normally or dishes are touching it; reload and restart, and get service if it returns. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes |
| AE / EI / FE | Leak or overfill detected, often from oversudsing, an unlevel unit or a misaligned door. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes |
| F31 | The heat-dry fan motor is not running, on models with Dynamic Heat Dry. Source: LG USA Support - [LG Dishwasher] Guide to Error Codes |
Full list: LG Dishwasher Error Codes Explained.
On Wi-Fi models, LG's ThinQ Care sends usage, maintenance and diagnostic alerts to the owner's smartphone. Source: LG USA - 24 Inch Smart Dishwasher with QuadWash and Adjustable 3rd Rack, 44dB
LG Dishwasher Problems Worth a Service Call
- Dishes stay wet at the end of the cycle
- Dishes come out dirty or gritty
- Dishwasher fills slowly or does not fill
What a Dishwasher Repair Technician Checks
Keeping a LG Dishwasher Running
- Run the Tub Clean cycle with citric acid in the detergent dispenser to clean the tub. Source: LG USA Support - Why Your LG Dishwasher Isn't Cleaning Dishes Well and How to Fix It
- Wipe food and grease buildup off the door gasket so the door seals properly. Source: LG USA Support - LG Dishwasher: How to Fix Common Leaking Issues
LG Dishwasher Repair Cost Ranges
Most LG dishwasher repairs involve common parts and an hour or so of labor. For reference, published cost guides report:
- Spray arm replacement: $75–$150 Source: Fixr - How much does it cost to repair a dishwasher?
- Drain pump replacement: $150–$400 Source: Fixr - How much does it cost to repair a dishwasher?
- Door replacement: $150–$600 Source: Fixr - How much does it cost to repair a dishwasher?
- 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?
Once a dishwasher is around 10 years old, replacement generally makes more sense than repair. 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.
Getting Ready for the Repair
- The brand, model and serial number from the label on the edge of the door or the side of the tub opening
- What happens during the cycle (no start, no fill, no drain, leaks, dirty or wet dishes)
- How old the dishwasher is
Local Notes for San Mateo
Most dishwasher calls in San Mateo 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).
How to Choose a Dishwasher Technician Near San Mateo
- What is the service call or diagnostic fee, and is it applied to the repair?
- What guarantee do you give on parts and labor?
- If the dishwasher is leaking, will you pull the kick panel to find where the water starts?
LG Dishwasher Repair FAQs: San Mateo, CA
Why are my dishes still dirty after a cycle?
Which San Mateo technicians work on LG?
Why won't my dishwasher dry?
More Dishwasher Repair in San Mateo, CA
More LG Dishwasher Repair Pages Nearby
Clean the filter, check the drain hose under the sink and note the model number before calling. It rules out the simple causes and speeds up a LG repair.