Wrought iron
Wood & steel frame
Farm & ranch
Sliding driveway gates
LiftMaster operatorsFree on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
Get your free estimateMighty Mule Gate Repair in Highland, CA | Riverside Gate Company
We provide independent Mighty Mule gate repair across Highland, CA (92346) – same-day in most cases, free estimates, and no manufacturer affiliation tying our hands on what we recommend or replace. If you need Mighty Mule in San Bernardino or nearby areas, we know those soils too, but the one thing that makes our Mighty Mule work here different from any shop in a neighboring city is that we start every diagnostic by looking at the gate post and footing in the ground, not just the operator bolted to it. Highland’s expansive clay doesn’t care how new your FM500 is. If the post heaved, the arm binds and the board blames itself. Call (855) 942-4867 and we’ll find the actual reason.
Why Highland Residents Choose Us for Mighty Mule Service
We’ve serviced Mighty Mule operators on Highland gates since the first DIY kits went in during the 1990s, so we know their control boards, arm geometry, and battery behavior inside and out. We’re a dedicated gate company – this is all we do, every day, from the motor to the control board. As an independent shop, we’re not tied to any manufacturer’s warranty or sales targets. We fix what’s actually broken, and if a gate’s giving you trouble, there’s a reason – we just have to find it. Neil Dravecky, our owner, grew up in the Inland Empire and has spent the better part of three decades working on gates and automated entry systems here. He’s the one who diagnosed intermittent FM350 faults on a Baseline street gate that two other shops had written off as a bad board. It was a ground fault from a corroded harness. We carry OEM Mighty Mule control boards, arms, and battery harnesses for direct-fit reliability, and we keep heavier aftermarket hinges and rollers in the truck because they outperform originals in Highland’s heat.
Styles & brands we work with
Common Mighty Mule Gate Repair Problems We Solve in Highland
These are the failures we see week after week on Mighty Mule systems across Highland. Each one has a local fingerprint:
- Limit-switch drift after post movement. Highland’s expansive clay heaves gate posts seasonally. A Mighty Mule arm that worked in July trips its limit in January because the post has shifted, not because the operator failed. We reset the post, then recalibrate the limits. The board usually doesn’t need replacing.
- Battery-backup failure after Santa Ana wind outages. Mighty Mule’s sealed backup batteries cook in Highland’s summer heat and fail silently. The gate works fine until the power goes out, and then it won’t move. We test and replace these batteries before you find out the hard way.
- Control-board corrosion from winter rains. Exposed Mighty Mule control boxes on older tract gates take water after storms. The result is erratic open/close cycles or a dead board. We diagnose corrosion at the terminal block and replace only what’s necessary.
- Arm and hinge binding on sagging gates. Original iron gates on shallow footings drag on the ground, overloading the Mighty Mule arm and stripping its drive gear. The fix is hinge and post work first, then arm repair or replacement. Putting a new arm on a sagging gate just burns the new part.
- Dead remote or receiver range loss. We see this a lot in Highland’s older tract neighborhoods where homes are close and older Mighty Mule receivers pick up interference. Sometimes it’s a simple reprogram; sometimes it’s a receiver replacement with a newer board.
Mighty Mule Service in Highland: What Local Conditions Mean for Your Equipment
In Highland’s older tracts off Baseline, original iron gates were often set in shallow footings that predate modern expansive-clay engineering. This isn’t a contractor shortcut we speculate about – it’s visible on nearly every service call in the 92346 tract area. The footing sits maybe 18 inches deep, the clay below it swells with winter moisture, and the gate post moves. Here’s what that looks like for a Mighty Mule owner: the gate swings freely in summer and drags hard in winter. The operator’s limits, which were set when the gate sat level, are suddenly wrong by half an inch or more. The control board reads that as an obstruction and reverses mid-swing, or the arm binds and strips its drive gear trying to push a gate that’s now digging into the ground. The honest fix is re-pouring or deepening the footing, then realigning the gate and recalibrating the operator. A Mighty Mule repair in Highland often means more shovel work than soldering. A homeowner off Baseline in the 92346 tract area called because their FM500 would reverse mid-swing after the first winter rains. We found the original gate post had heaved nearly an inch in the expansive clay, throwing the arm out of alignment. We reset the post in a deeper footing, realigned the gate, and the original Mighty Mule operator has run cleanly since – that was two winters ago.
Mighty Mule Models & Products We Service in Highland
We work on the Mighty Mule systems Highland homeowners actually have, including the FM350 swing opener, the FM500 swing opener, the MM371W slide opener, and the MM572W slide opener. For slide gates on longer driveways – common in the foothill edges and larger lots east of Baseline – we see MM371W and MM572W operators with worn drive chains, failing limit switches, and receivers that struggle in summer heat. We stock OEM Mighty Mule control boards, arms, and battery harnesses for direct-fit reliability. For wear items like hinges and rollers, we choose heavy-duty aftermarket parts that outperform the originals in Highland’s climate. We’ll always tell you when a $100 board swap makes sense versus when post work or a new operator is the honest fix.
See the difference
Before
After
Before
After
Before
AfterMighty Mule Service Pricing in Highland
Most Mighty Mule repairs in Highland fall into predictable ranges. A service call and diagnostic runs $85 – $125, and that cost is applied toward the repair if you proceed. Control board replacement typically lands between $180 – $320 depending on model. Arm replacement runs $150 – $280. Battery backup replacement runs $90 – $180. Full operator replacement, when the existing unit isn’t worth repairing, runs $450 – $1,100 installed depending on model and gate configuration. Post resetting and footing work is quoted separately after we see the gate, because Highland’s clay makes every post its own project. What drives the cost is the condition of the footing and whether the gate itself is still square. Every quote is given and agreed before any work starts – you’ll know the number before we touch anything. Call (855) 942-4867 for a free estimate on your specific gate.
Serving Highland, CA — Our Local Coverage Area
We’re based in the Highland area and know this community well. We also provide Mighty Mule in Redlands and surrounding communities. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Mighty Mule Gate Repair in Highland
Your gate post is moving in Highland’s expansive clay. The clay swells with winter moisture, the shallow footing shifts, and the gate drops just enough to drag. The Mighty Mule operator is usually fine – it’s fighting a gate that’s no longer level. We reset the post in a deeper footing and realign the gate, then recalibrate the operator’s limits. Call (855) 942-4867 and we’ll confirm it on site.
We repair control boards when the damage is limited to corrosion on the terminal block, a failed relay, or a shorted harness connection – common problems in Highland after winter rains get into exposed control boxes. If the board’s main processor is dead or the corrosion has eaten through the traces, a board swap is more reliable than a repair. We’ll show you the board and explain which one you have. Estimates are free.
Highland’s summer heat kills Mighty Mule sealed backup batteries. They sit in exterior control boxes that bake in 100-degree heat, and the internal cells fail silently. You don’t know until the power goes out and the gate won’t move. We test backup batteries as a standard part of every Mighty Mule service call and replace them with a direct-fit OEM unit when they fail. Call (855) 942-4867 and we’ll test yours.
Yes. We service the MM371W and MM572W slide operators on Highland properties with longer driveways, especially in the foothill edges where lots run deep. The most common issues are worn drive chains, failing limit switches, and receivers that lose range in summer heat. We also check the track and rollers, because in Highland’s clay the track supports shift over time and drag the whole system down.
If the operator runs but the gate binds, drags, or reverses mid-swing, the gate is out of alignment – usually from post movement. If the operator clicks but nothing moves, or the board shows no power, the operator itself has failed. We don’t guess. We measure the gate’s travel, check the post alignment, and test the board before recommending anything. Call (855) 942-4867 for an exact diagnosis.
Service Areas Near Highland
Beyond Highland, we run Mighty Mule calls into the surrounding foothill communities. If you’re in Mighty Mule service in Ontario or Mighty Mule service in Meadowbrook, we cover those areas too. We also serve Trabuco Canyon, Portola Hills, Lake Arrowhead, La Verne, Foothill Ranch, and Running Springs. Check our full Highland service area page for details. And if you want to know more about our broader Mighty Mule sales & service work, that page covers the full range.
Book Your Mighty Mule Service in Highland Today
Call (855) 942-4867 for a free estimate on your Mighty Mule gate repair in Highland or Mighty Mule service in Loma Linda. We offer same-day service in most cases and cover electric gate repair, hinge and post repair, and battery backup work. We’ll find the reason your gate is giving you trouble – and fix it.
Written by Neil Dravecky, Owner at Riverside Gate Company, serving Highland since the 1990s.