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 estimateDoorKing Gate Repair in Upland, CA | Lexington Gate Repair
DoorKing gate repair in Upland is what we handle every week here at Lexington Gate Repair, from 6050 swing operators to 1601 slide units and 1833/1835 telephone entry systems. The thing that makes DoorKing work different in Upland is the wind: Santa Ana gusts funnel down the San Gabriels and rack driveway gates out of alignment, which drifts limit cams and causes exactly the kind of failures most techs misread as a bad board. We’re an independent shop, not affiliated with or authorized by DoorKing, and we’d rather fix the actual problem than sell you a new operator. Call (866) 304-1321 and we’ll get eyes on your gate.
Why Upland Residents Choose Us for DoorKing Service
We work on DoorKing operators constantly. 6050 swing units, 1601 slide gates, 9000 series vehicular operators, 1833 and 1835 telephone entry systems. That kind of repetition means our techs know the failure patterns before they even open the cover. Nelson Arquette, who owns Lexington Gate Repair, started on the mechanical side through the Electrical and Industrial Technology program at Chaffey College, and he’s spent the better part of three decades working on gates across the Inland Empire. His philosophy is simple: if we can tell you what’s wrong before we touch it, we’re already halfway done. For Upland homeowners and property managers, that means a faster diagnosis, the right part on the truck, and no second visit waiting on a backorder. We stock genuine DoorKing control boards, limit switches, and access modules for the units we see most, and we keep quality aftermarket hinges and rollers for the hardware that Upland wind and sun chew through. Independent service, factory-level familiarity. That’s the combination.
Styles & brands we work with





Common DoorKing Gate Repair Problems We Solve in Upland
- Wind-event misalignment on 6050 swing operators: Repeated Santa Ana gusts out of the Cajon Pass rack the gate arm, and the open/close limit cams drift until the gate stops short or reverses mid-travel. We re-set hinges and limits so the 6050 cycles clean through its full arc again.
- Slide-gate track and roller wear on 1601 and 9000 units: Upland’s clay soil swells with winter rain and shrinks in summer, shifting gate footings until the track binds. The operator strains, and the chain or rack jumps under load. We re-level the track, replace worn rollers, and set the operator back to pulling straight.
- Control and access failures on 1833/1835 telephone entry systems: West-facing keypad and intercom boards take brutal afternoon heat and UV exposure, and battery backups droop after repeated brownouts during high-wind outages. We diagnose boards, replace what’s fried, and check the battery so the entry system doesn’t die the next time power flickers.
- Post and hinge fatigue on older foothill driveway gates: North of Foothill Blvd, mature citrus and street tree roots push into gate footings while settling torques the mounting posts. The DoorKing operator ends up fighting a gate that no longer swings true, and that’s a losing fight. We re-set posts and replace fatigued hinges before re-running limits.
- Gate realignment after wind storms: After a strong Santa Ana event, gates along Upland’s foothill streets are often knocked out of plumb. The operator may be fine; the geometry isn’t. We realign the gate, check limit settings, and make sure the 6050 or 1601 isn’t compensating for a mechanical problem it shouldn’t have to.
DoorKing Service in Upland: What Local Conditions Mean for Your Equipment
North of Foothill Blvd toward the mountain base, the same Santa Ana gusts that strip trees also rack driveway gates. Citrus roots and mature street trees along those foothill properties push into gate footings, lifting posts a half-inch or more over time. Put those two forces together and a DoorKing 6050 swing operator there often needs its mounting posts re-set, not just a control tweak, before the limits will hold. We’ve seen it on properties off Mountain Avenue in 91784 more times than we can count. A tech who doesn’t know Upland will replace a limit switch, clear the error code, and leave; the gate fails again inside a month because the post is still moving. That’s the difference. We diagnose what the wind and roots and clay did, then fix that. On a foothill property off Mountain Avenue, a DoorKing 6050 kept reversing mid-swing after a wind event. Our tech found the gate racked out of plumb against a post lifted by citrus roots, so we re-set the post, replaced the fatigued hinges, and re-ran the open/close limits until it cycled clean through the full arc. We finished by checking the battery backup, since that stretch loses power in high-wind outages. That’s what Upland DoorKing repair actually looks like.
DoorKing Models & Products We Service in Upland
We service the 6050 swing operator series, the 1601 slide gate operator series, the 9000 series vehicular slide operators, and the 1833/1835 telephone entry and access control systems. For each, we stock genuine DoorKing boards, limit switches, and access-control modules where the unit calls for OEM. Where the mechanical hardware takes a beating from Upland’s wind and sun, we use quality aftermarket hinges, rollers, and hardware that hold up better than the originals. If your 1835 keypad board failed from heat exposure on a west-facing post, we replace it with a genuine DoorKing board and reposition or shield it where the install allows. The goal is a unit that cycles properly and keeps cycling through the next Santa Ana season. If you’re unsure what model you have, call (866) 304-1321 and describe what it’s doing. Chances are we’ll know the unit from the symptom. For more on what we handle across the brand, see DoorKing sales & service.
See the difference
Before
After
Before
After
Before
AfterDoorKing Service Pricing in Upland
DoorKing repair pricing in Upland depends on what actually failed, not on the first number we can think of. We quote the work before we start, so there’s no invoice surprise at the end. Typical service call and diagnosis for a DoorKing operator runs $85 to $125. Re-setting a 6050 swing operator after wind racking, including hinge adjustment and limit recalibration, falls between $175 and $300. Slide-track realignment on a 1601 or 9000 after clay-soil footing shift usually lands in the $225 to $450 range. Replacing a failed 1833/1835 control board or keypad assembly can run $280 to $650 depending on the board. If your unit is near end of life, the free estimate covers the repair price and the replace price side by side, so you decide. Call (866) 304-1321 for an exact quote; estimates are free and we tell you what you need, not what pads the ticket.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland area and know this community well, and we also handle DoorKing repair in Claremont. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – DoorKing Gate Repair in Upland
No. Lexington Gate Repair is an independent DoorKing service provider. We carry genuine DoorKing parts where the unit calls for OEM, but we’re not affiliated with or authorized by the manufacturer. That independence means we diagnose the actual failure instead of defaulting to a whole-unit swap.
We do both. DoorKing operators pair with 1833/1835 entry systems and battery backups, and in Upland those components fail just as often as the motor itself, especially after brownouts during high-wind outages. We test the full chain: motor, control board, battery, keypad, intercom. If the gate arm works but the entry system doesn’t, that’s still us. Call (866) 304-1321 and we’ll sort the whole setup.
Most common DoorKing repairs in Upland are same-day. A drifted limit cam on a 6050 is often sorted in under two hours. A racked gate that needs post re-setting takes longer, usually half a day including concrete work. If the part is on our truck, we finish the visit; if it’s a less common DoorKing board, we get it from our supplier on a rush and schedule the install within days.
We service the 6050 swing operator series, the 1601 slide operator series, the 9000 series vehicular slide operators, and 1833/1835 telephone entry and access control systems. If your DoorKing plate has a different number, call anyway. These four families cover the overwhelming majority of gates in Upland, both residential and HOA or commercial, and the same models we see with DoorKing in San Antonio Heights.
Most DoorKing repairs in Upland fall between $175 and $650 depending on the failure. A wind-racked 6050 realignment runs $175 to $300. A failed 1833/1835 control board runs $280 to $650. Diagnosis starts at $85 to $125, and we quote the full repair before any work starts. Call (866) 304-1321 for a free estimate on your specific unit.
Service Areas Near Upland
Lexington Gate Repair covers all three Upland ZIP codes, 91784, 91785, and 91786, and the roads between them. We also run DoorKing calls into Los Serranos, Chino, Ontario, Montclair, Pomona, and Claremont. If you’re just over the county line and your DoorKing operator is down, call before you assume we don’t cover you; we probably do. Our techs also handle DoorKing service in La Verne and DoorKing service in Eastvale for neighbors with the same wind and clay-soil issues. See the full Upland service area page for details.
Book Your DoorKing Service in Upland Today
If your DoorKing gate is down, acting erratically, or making a sound it didn’t make last week, call (866) 304-1321. We’ll diagnose it over the phone when we can, get a tech out quickly, and quote the repair before anything is touched. Same-day service is available for most Upland DoorKing failures.
Written by Nelson Arquette, Owner at Lexington Gate Repair, serving Upland and the Inland Empire for decades.