A tidy suburban garage with a concrete floor, shelving along one wall and a second dishwasher standing against it.

Houston, TX

Dishwasher repair in Houston.

Houston's water is moderately hard, and suburbs that rely partly on groundwater can be harder still, so scale builds on heaters and inlet screens over the years. Humidity also keeps a closed dishwasher damp between loads, and a filter left uncleaned starts to smell quickly.

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31 areas covered
5 counties
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What Houston does
to a dishwasher.

Houston's main water system served about 2.4 million customers in 2024 from three surface water purification plants and 39 groundwater plants.

That year 86.5 percent of its water was treated surface water from the San Jacinto River, by way of Lake Conroe and Lake Houston, and from the Trinity River at Lake Livingston.

The remaining 13.5 percent came from 104 wells in the Evangeline and Chicot aquifers, drilled deeper than 750 feet.

Total hardness in the main system averaged 110 parts per million in 2024, ranging from 43.4 to 137.

The counties

Family houses

A family house runs the dishwasher once or twice a day, every day. At that pace the filter, the spray arms and the drain pump do the most work, and most calls here are about something that slowly clogged rather than suddenly broke.

Newer developments

Fresh plumbing flushes debris for a while after construction, and bits of solder, thread tape or sediment can lodge in a dishwasher's inlet screen during the first months after move-in.

Outdoor kitchens

Only dishwashers rated for outdoor use belong in an outdoor kitchen, and they are a small category. An indoor model installed on a patio faces heat, humidity and blowing rain that its electronics and seals were never built for.

A second dishwasher

Paired dishwashers in a large kitchen split the work unevenly, one running daily and the other only for gatherings, so a repair on one is a good moment to confirm that the idle one still fills, drains and heats.

The work,
in Houston.

Ten dishwasher repairs, cheapest first, each with what Houston changes about it.

What we do

Diagnostic visit

Houston visits frequently follow a storm or an outage, and the diagnosis separates a control board hurt by a power surge from a simpler drain or fill problem that happened to appear the same week.

Maintenance

Houston's humidity lets a dishwasher that stays closed between loads develop odor and mildew, so maintenance often includes cleaning the filter, gasket folds and sump and leaving the door ajar afterward.

Drain and pump repair

Houston homes on slab foundations run their kitchen drains beneath the floor, so when a dishwasher will not empty, the technician confirms whether the pump or a slow line under the slab is responsible.

Fill and water valve repair

The February 2021 freeze left some Houston homes with cracked lines under the sink, and a dishwasher that will not fill is still checked for a damaged supply line or stop valve as well as a failed inlet valve.

Door latch and hinge repair

Houston's expansive clay soils can shift slab homes and the cabinet runs on them, knocking a dishwasher out of level so its latch misses the strike or its door swings unevenly.

Leak and seal repair

Houston's humidity can hide a slow leak, because water under a dishwasher lingers and invites mold in the cabinet base; a musty smell is sometimes the first sign a technician follows to a failing seal.

Dispenser repair

Pods loaded into a dispenser hours before a delayed start can absorb moisture in a humid Houston kitchen and stick to the lid, so the technician tests the actuator and also asks how the machine is being loaded.

Heating and drying repair

Houston's humid air can slow the last stage of drying, but a dishwasher that suddenly leaves everything soaked usually has a heater, vent or rinse aid issue that is worth testing.

Controls and sensors

After a Houston hurricane-season outage, dishwashers can come back with blank displays or stuck cycles, and the technician separates a tripped breaker or GFCI from real damage to the control board.

Wash motor and circulation

Voltage dips and surges during Houston storm season can damage the circuit that drives a wash motor, so the technician checks the control board output as well as the motor itself.