Sprinkler Controller Repair in Houston, Texas

The controller is the device everyone wants to replace first, and it is often the last thing that failed. A blank screen can be a tripped outlet or a bad transformer. A schedule that seems to do nothing can be a rain sensor still open, a multi-day rain delay, or seasonal adjust set at zero. We read the display and bypass a sensor only as a test.

When the clock calls for a station and the yard does nothing, we separate the clock from the field. If voltage leaves the terminal, the fault is wire or valve. If it does not, then we talk about programs, the sensor loop, and whether the controller itself has failed.

A Wi-Fi controller is useful when the zone data inside it is true. Weather adjustment cannot aim a nozzle or close a leak. If the garage has no signal, the clock still needs to be programmable from the face. We do not promise a utility rebate. Check the provider on your bill.

What this repair actually involves

When the schedule looks right but the lawn stays dry, the timer may not be sending a usable signal. Across Greater Houston the same symptom can be a head, a valve, a wire, or a pipe. We do not price the part until the station has run beside one that still works.

Houston lawns are mostly St. Augustine, with Bermuda and zoysia on sunnier or renovated lots. Clay shrinks in August and swells after a Gulf rain, so a fitting that was straight the year it was glued is often in tension now. A longer runtime does not close a leak, aim a nozzle, or open a valve that is stuck. It only spends more water on the part of the yard that was already wet.

The license we list is TX LI 6529. You can confirm the current record with the Texas Commission on Environmental Quality. Watering days are set by the utility on your bill, not by a metro-wide chart, so the controller is programmed after the repair is proven, not before.

Where we run into it

• Controller repair in Houston. The Heights and the rest of Houston sit on shrink-swell clay, with sandier pockets toward the bay. Heat, heavy rain, clay movement, tree roots, and landscape work can all change how an older system performs.
• Controller repair in Katy. Cinco Ranch and the rest of Katy sit on prairie clay that opens cracks by august. Settling soil, growing roots, mower damage, and changing bed lines commonly reveal coverage gaps or stressed fittings.
• Controller repair in Cypress. Bridgeland and the rest of Cypress sit on clay, with wetter pockets near cypress creek. New construction settling, clay movement, and landscape additions can affect head height, line alignment, and coverage.
• Controller repair in Sugar Land. First Colony and the rest of Sugar Land sit on heavy fort bend clay. Tree roots, shifting clay, blocked spray, and aging valves can create uneven watering even when the controller still runs.
• Controller repair in Pearland. Shadow Creek Ranch and the rest of Pearland sit on flat coastal clay that holds water. Slow drainage and heavy rain can hide an irrigation leak, so diagnosis should separate storm moisture from water escaping while a station runs.
• Controller repair in Spring. Old Town Spring and the rest of Spring sit on clay and sandier forest soils. Shade, mature trees, soil movement, and buried valve boxes complicate otherwise straightforward coverage problems.
• Controller repair in Tomball. Downtown Tomball and the rest of Tomball sit on tighter clay in town, sandier cuts on larger lots. Long zones, roots, changing grades, and mixed sun and shade make pressure and coverage checks especially useful.
• Controller repair in The Woodlands. Alden Bridge and the rest of The Woodlands sit on sandy loam over clay under the canopy. Roots and dense shade affect buried lines, head placement, and how quickly different parts of a zone dry.
• Controller repair in Richmond. Aliana and the rest of Richmond sit on brazos bottom clay. Construction activity, settling, bed changes, and long lateral lines can lead to leaks, low pressure, or heads that no longer sit at grade.
• Controller repair in Rosenberg. Bonbrook Plantation and the rest of Rosenberg sit on open-prairie clay. Clay movement, high summer demand, and head damage can expose weak fittings and leave defined dry sections.
• Controller repair in Humble. Atascocita and the rest of Humble sit on lake houston terrace soils. Tree roots, shade, drainage, and storms make it important to confirm whether standing water is irrigation-related.
• Controller repair in Kingwood. Bear Branch and the rest of Kingwood sit on sandy loam under the pines. Buried lines and valve boxes may be affected by roots or years of landscape growth, while shaded areas may need less water than open turf.
• Controller repair in Bellaire. Braeburn Country Club Estates and the rest of Bellaire sit on tight inner-loop clay on small lots. Construction, roots, tight side yards, and relocated beds can leave old heads blocked, buried, or aimed at new hardscape.

What we tell you before any parts

A photo of a wet spot shows color and location. It does not show whether the water is still arriving after the irrigation supply is closed. That test separates a sprinkler leak from a drainage swale, a neighbor’s zone, or last night’s storm. A blank controller is not automatically a bad controller. A dead zone is not automatically a bad valve. The order of the tests is the job.

When the repair is done, the station runs again. We look at the walk, the next head, and the original complaint. If the complaint is still there, it stays on the list. Call 346-642-6161 and say which part of the yard fails and whether the water stops when the clock moves on.

Signs

• Blank or frozen display
• Zones that run at the wrong hour
• A manual start that never leaves the garage
• A rain delay that will not clear

How the visit goes

1. Read the display. Time, program, rain delay, seasonal adjust, sensor.
2. Prove power. Outlet and transformer before a new clock.
3. Test one station. See whether a signal leaves the garage.
4. Replace only if it failed. Then copy the station map into the new unit.

Controller repair by city

Related repairs

From the field notes

• A Wi-Fi clock with no Wi-Fi is still a clock
• April controller programs that still think it is July
• Are smart sprinkler controller rebates available?
• Clocks that lose the program when the power blinks
• How to check Houston watering restrictions
• Municipal utility districts do not share one watering calendar
• November rain sensors that stayed bypassed all year
• Rain sensor troubleshooting after Houston storms

Questions