North Dallas · Same-day & next-day service
Sprinkler repair in North Dallas
From Preston Hollow's twenty-zone estates to the 1950s ranches of Lake Highlands, North Dallas irrigation is older, bigger, and more tree-shaded than anywhere else we work. We diagnose the whole system, quote a flat price before work begins, and fix it right under a Texas irrigator's license.
Most North Dallas calls diagnosed same or next day · You approve the flat price before any work begins
Texas Licensed Irrigator — LI0026061Required by Texas law for sprinkler repair. Ask any company for theirs.
Request sprinkler service
Describe the problem — we'll call back with an arrival window, usually same day.
What we repair in North Dallas
Six systems, one licensed diagnosis
Every visit starts with a zone-by-zone diagnosis — because the head you can see leaking is rarely the only thing wrong with a 30-year-old system.
Sprinkler valve repair & replacement
Zones stuck on or dead, weeping valves, manifold rebuilds on midcentury Lake Highlands systems.
Sprinkler head repair & replacement
Broken, sunken, or misted-out heads; nozzle matching; coverage adjustment to stop dry spots.
Sprinkler leak detection & repair
Lateral and main-line leak location and repair — precision work under estate lawns and live-oak roots.
Sprinkler wiring & controller repair
Broken field wires, bad solenoids, dead stations, controller replacement and smart upgrades.
Backflow repair & replacement
Failed your City of Dallas annual backflow test? We repair and replace double check assemblies fast.
Sprinkler system inspections
Full-system checks and tune-ups — pressure, coverage, controller programming, sensor function.
We service every major brand — Rain Bird, Hunter, Toro, Irritrol, Weathermatic, Orbit — plus smart controllers like Rachio and Hunter Hydrawise, and we can match or retrofit parts on systems whose installers disappeared decades ago.
Diagnosis guide
Why is your sprinkler system not working?
Nearly every sprinkler and irrigation repair call we get in North Dallas starts with one of these six symptoms. Here's what each one usually means on a North Texas system.
One zone won't turn on
Usually a failed solenoid, a broken field wire, or a controller station gone bad — common in systems where decades of landscaping work has nicked buried wiring. Diagnosed with a multimeter, fixed with sprinkler wiring & controller repair.
A zone won't shut off
Almost always a worn diaphragm or debris inside the valve holding it open. On the 1950s–70s ranch systems of Lake Highlands the whole manifold is often at end of life. This is classic sprinkler valve repair territory.
Heads misting or low pressure
Misting means pressure is too high or nozzles are worn; weak coverage across a whole zone points to an underground leak or a partially closed valve. Starts with sprinkler leak detection.
Water bill suddenly spiked
The classic sign of a lateral or main-line leak you can't see — Blackland Prairie clay swallows slow leaks until the meter tells on them. We pressure-test zone by zone to find it.
Brown spots in a green lawn
Dry patches with healthy turf around them mean broken, sunken, or blocked heads — or head spacing that never matched the lawn. Fixed with sprinkler head repair & adjustment.
Controller dead or "no AC" error
Could be the transformer, the panel, or a lightning surge — North Texas storms take out controllers every spring. We repair, reprogram, or upgrade to a smart controller set for Dallas's twice-weekly watering days.
Flat-rate pricing
Flat-rate sprinkler repair in North Dallas
Every repair is a flat rate quoted before work begins — never hourly, never a running meter while someone digs. The service call covers a full zone-by-zone diagnosis and applies to your repair, so diagnosis is effectively free when we do the work.
| Repair | Flat rate | What it covers |
|---|---|---|
| Service call & diagnosis | $[XX] | Every zone run and tested — valves, wiring, pressure, coverage, controller. Applied to your repair. |
| Sprinkler head replacement | from $[XX] | Matched head and nozzle, set to grade, coverage adjusted. |
| Valve repair / replacement | $[XXX]–$[XXX] | Diaphragm rebuilds to full valve replacement, located and wired. |
| Wiring & controller repair | flat, after diagnosis | Broken wires, solenoids, controller swaps — priced as a fixed number, not hours. |
| Backflow (double check) replacement | $[XXX]–$[XXX] | Failed-test repairs and replacements, retest coordinated. |
Your flat rate depends on depth, access, and parts — but once quoted, it does not move. You approve the number before a shovel touches dirt. Full breakdown with examples on our sprinkler repair cost guide.
Local knowledge
Why North Dallas systems fail — estate systems vs. midcentury ranches
North Dallas irrigation is older, bigger, and more tree-shaded than anywhere else we work, and the failures follow the housing stock. Knowing what's likely buried in your yard is half the diagnosis.
Preston Hollow & the estate corridor — 12–20+ zone systems
Preston Hollow estates run irrigation at a different scale: a dozen to twenty-plus zones, sometimes split across multiple controllers, under landscapes too valuable to trench on a guess. Leak location here is precision work — we isolate and pressure-test zone by zone so the excavation is a neat square over the break, not an exploratory ditch across a lawn that took decades to grow. That discipline is the core of our sprinkler leak detection and repair.
The mature live oaks that make these lots are also the biggest enemy of what's under them: root intrusion crushes laterals, lifts heads off grade, and slowly strangles valves and manifolds that were planned around much smaller trees.
Lake Highlands, Prestonwood & Hillcrest — 1950s–80s systems
Lake Highlands' 1950s–70s ranches carry some of the oldest residential irrigation in Dallas — shallow lines, original valves, and coverage designed for a different landscape. Prestonwood and the Hillcrest corridor add the 1970s–80s wave, where brittle first-generation plastic valves and pre-sensor controllers fail in predictable order.
Dallas's ordinance raises the stakes: broken, missing, or misdirected heads are required to be repaired, and rain and freeze sensors are mandatory. A sunken head spraying the sidewalk is a violation here — which makes sprinkler head repair the cheapest code compliance in the city, and a controller and sensor visit the second-cheapest.
Dallas watering rules
North Dallas watering rules — and what they mean for your system
City of Dallas rules apply across North Dallas, and they're permanent — the twice-a-week maximum is a year-round ordinance, not a drought stage. The ordinance also requires your system to actually work: broken, missing, or misdirected heads must be repaired.
The schedule — permanent, year-round ordinance
| Your address ends in | Watering days |
|---|---|
| 0, 2, 4, 6, 8 (even) | Sundays & Thursdays |
| 1, 3, 5, 7, 9 (odd) | Saturdays & Wednesdays |
| All addresses | Maximum twice a week — year-round |
| All addresses (Apr 1–Oct 31) | No sprinklers 10 a.m.–6 p.m. |
One detail worth knowing: licensed irrigation professionals are exempt from the watering restrictions while working on-site — so we can legally run every zone for a full diagnosis on any day, at any hour. Full rules at dallascityhall.com.
Where repair meets compliance
Dallas doesn't just schedule your watering — it legislates your system's condition. Rain and freeze sensors are required, and broken, missing, or misdirected heads must be repaired under the city's conservation ordinance. A head soaking the street or a controller without a sensor isn't a quirk; it's a violation.
Every repair visit ends with your controller set correctly to your Sunday/Thursday or Saturday/Wednesday schedule, and we can add the required rain/freeze sensor in the same visit. A full sprinkler inspection covers schedule, sensors, pressure, and coverage in one pass.
Your specialist
Meet Jonathan, your irrigation specialist
Eldorado isn't a call center dispatching whoever's available — when you call, you're talking to the licensed irrigator who shows up. Jonathan has been repairing North Texas sprinkler systems since 2013, holds Texas irrigator license LI0026061, and works out of a shop in east Plano — 20 to 30 minutes from most of North Dallas, depending on where you sit along the Central and 635 corridors.
His rule on every job is the one customers keep repeating in reviews: fix only what's broken. You get a zone-by-zone diagnosis, a flat price before work starts, and an honest answer when something doesn't need replacing.
The visit
How a repair visit works
No mystery invoices. The price is on the table before a shovel touches dirt.
Call & describe
Tell us what the system is doing. We'll give you an honest arrival window — usually same or next day in North Dallas.
Zone-by-zone diagnosis
We run every zone, test valves, wiring, pressure, and coverage — not just the symptom you called about.
Flat quote, your call
You get the exact price before any work begins. The service call fee is applied to the repair.
Repair & prove it
We fix it, run the system with you watching, and set the controller for Dallas's watering schedule.
Field record
Recent North Dallas work
Real jobs, our own photos — valve boxes, manifolds, trench lines, and the lawns after.
Reviews
What our customers say
"Many charge outrageous fees and try and upsell. Eldorado doesn't do that. Pleasant, responsive and most importantly, honest... 5 star and will be my go-to sprinkler guys."
"Came out same day and took care of business at an unbelievable price. Took about 30 minutes to diagnose and repair. Would absolutely utilize again."
"They gave me options and fixed only what needed to be fixed. They are honest good people that do good work."
Questions
North Dallas sprinkler repair, asked & answered
How much does sprinkler repair cost in North Dallas?
Our service call in North Dallas is $[XX] and includes a full zone-by-zone diagnosis — and it's applied to your repair if you proceed. Typical North Dallas repairs: sprinkler head replacement from $[XX], valve replacement $[XXX]–$[XXX], wiring and controller repairs quoted flat after diagnosis. You approve the exact price before any work begins. Full breakdown on our sprinkler repair cost guide.
Does sprinkler repair in Texas require a licensed irrigator?
Yes. Texas law requires anyone who installs, alters, repairs, or services an irrigation system for compensation to hold a TCEQ irrigator or irrigation technician license. Eldorado Sprinkler Repair & Irrigation is owned and operated by a Texas Licensed Irrigator, LI0026061 — ask any company for their LI number before they touch your system.
Can you repair a sprinkler system another company installed?
Yes. Much of our North Dallas work is on systems installed decades ago by companies that no longer exist. We service all major brands — Rain Bird, Hunter, Toro, Irritrol, Weathermatic — and can match or retrofit parts on older systems.
I failed my backflow test in North Dallas — can you fix it?
Yes. We repair and replace double check valve assemblies and other backflow preventers that fail the City of Dallas's required annual test. We're not a testing company; we're the licensed irrigator who fixes what the testers flag, usually within a day or two — and we coordinate the retest with your tester so you close out compliance in one cycle. Details on our backflow repair & replacement page.
Does my North Dallas sprinkler system need a rain and freeze sensor?
Yes — Dallas requires both rain and freeze sensors on irrigation systems. Many Lake Highlands and Prestonwood controllers predate sensors entirely. We can add a wireless rain/freeze sensor to most controllers in a single visit and set it up alongside your twice-weekly schedule.
Do you offer same-day sprinkler repair in North Dallas?
We offer same-day or next-day service for most North Dallas calls — our shop is in east Plano, 20 to 30 minutes out depending on where you are along the Central and 635 corridors. Call (469) 970-2715 and describe the problem; we'll give you an honest arrival window.
What days can I water my lawn in North Dallas?
Dallas limits sprinkler watering to a maximum of twice a week year-round — it's a permanent ordinance, not a drought stage. Even-numbered addresses water Sundays and Thursdays, odd-numbered addresses water Saturdays and Wednesdays, and no sprinkler use is allowed between 10 a.m. and 6 p.m. April 1 through October 31. The same ordinance requires broken, missing, or misdirected heads to be repaired. We set your controller to your correct days on every visit.
Why is one sprinkler zone not working?
A single dead zone usually means a failed solenoid, a cut or corroded field wire, or a bad controller station — the valve itself is often fine. We test the wiring path with a multimeter before replacing anything, which is how we keep repairs to the part that actually failed. See sprinkler wiring & controller repair.
Why won't my sprinkler zone shut off?
A zone that runs until you kill the water at the backflow valve is a stuck valve — debris lodged in the diaphragm or a diaphragm worn through. On Lake Highlands' 1950s–70s ranch systems we often find the whole manifold at end of life, and we'll tell you honestly whether one valve or a rebuild is the cheaper path over five years. See sprinkler valve repair & replacement.
How fast can you get to me in North Dallas?
Same-day or next-day for most North Dallas calls — figure 20 to 30 minutes from our east Plano shop depending on traffic and where you sit between Preston Hollow and Lake Highlands. In peak summer season the schedule fills by early afternoon, so call in the morning if you can. Either way, you get an honest arrival window when you call, not a four-hour maybe.
Do you charge for estimates?
The service call fee covers a full system diagnosis and is applied to your repair — so if we do the work, the diagnosis effectively costs nothing. We quote a flat price after diagnosis and you approve it before any work begins. What we do not do: free estimates that turn into pressure to sign on the spot.
How long does a typical sprinkler repair take?
Most single repairs are finished the same visit — a head replacement or solenoid swap takes 30–90 minutes after diagnosis. Bigger jobs like a manifold rebuild or a deep lateral-line repair usually take a half day. We tell you the time along with the flat rate before we start.
Do I need to be home for the repair?
Usually not. If we can reach the controller (or it is a smart controller we can access with your permission) and the gates are open, most repairs happen without you. We send photos of the finished work, and you are welcome to a walkthrough by phone after the system test.
Do sprinkler systems in Texas need winterizing?
Not the full blowouts northern states need — DFW systems stay charged year-round. What matters here is protecting the above-ground backflow assembly before hard freezes and having a working freeze sensor. Every February we repair the split backflows and burst manifolds of homeowners who skipped both; an insulated cover costs almost nothing by comparison.
Should I repair or replace my old sprinkler system?
Repair, in most cases — even 1950s Lake Highlands systems usually have sound pipe, and replacing components as they fail costs far less than a new system. We recommend full replacement only when the pipe itself is failing in multiple places or the layout no longer fits the landscape. If that is your situation, we will say so plainly. See sprinkler system installation.
Can you find buried valve boxes in an older yard?
Yes. Decades of mulch, sod, and landscaping bury valve boxes on older North Dallas properties — and under Preston Hollow's layered estate landscaping, finding the boxes can be half the job. We locate them electronically by tracing the valve wiring — no exploratory digging across your lawn — then raise the boxes to grade so the next repair does not require a search party.
Is a smart controller worth it in North Dallas?
Yes — Dallas's twice-weekly maximum is permanent, so a programming mistake doesn't expire with a drought stage. A Rachio or Hunter Hydrawise holds your Sunday/Thursday or Saturday/Wednesday days, skips watering when rain is coming, and covers the city's mandatory rain-and-freeze sensor requirement in one device. We install and program them to your address's schedule.
What areas near North Dallas do you serve?
Everything within about 30 minutes of our east Plano shop: sprinkler repair in Plano, Richardson, Allen, McKinney, Frisco, plus Addison, Highland Park, and University Park.
Service area
Also serving the cities around North Dallas
Licensed sprinkler repair within about 30 minutes of our east Plano shop:
We cover the North Dallas ZIPs — 75230, 75240, 75243, 75248, 75251, 75252, and 75254 — 20 to 30 minutes from our shop in east Plano. Searching “sprinkler repair near me” from Preston Hollow, Lake Highlands, or the Hillcrest corridor? You are inside our everyday service range.
Replacing more turf than you're repairing? We also handle sod installation in Dallas — St. Augustine, Bermuda, and Zoysia.
Zone stuck on? Brown stripe spreading?
Call now — same-day North Dallas service in peak season goes fast.