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 estimateFast, Reliable Gate Repair Across Ontario
Gate repair in Ontario, CA usually costs between $185 and $1,600 depending on whether we’re fixing a hinge, rebuilding a post, or replacing an operator board, and most repairs in the 91761, 91762, and 91764 zip codes are completed the same day we arrive. Lexington Gate Repair is the dedicated gate specialist serving Ontario, and we’ve spent years diagnosing and fixing gate failures across this city’s older ranch tracts and newer master-planned edges. Call (866) 304-1321 for a free estimate, and we’ll tell you exactly what’s wrong and what it costs before any work starts.
Why Lexington Gate Repair Is Ontario’s Preferred Gate Repair Company
Ontario homeowners and property managers keep our number because we work on your specific brand, not just whatever generic hardware happens to be on the truck. Our Gate Repair team is factory-familiar with LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule, which means we read the error codes, diagnose the actual fault, and bring the right parts the first time. That’s the difference between a gate that works next week and one that works this afternoon.
We’re a gate specialist, not a generalist. Every technician we send to Ontario works exclusively on gates, so when you describe a symptom, we know which components it points to before we even roll up. Nelson Arquette built this company around diagnosing gate systems correctly the first time, because misdiagnosis is what turns a $250 hinge repair into a wasted week.
Response time to Ontario matters. We’re based in Chino, minutes from the 60 and 10 freeways, so calls from neighborhoods off Euclid Avenue, Grove Avenue, or the 91762 corridor don’t sit in a queue. When a sliding gate is stuck open on a Saturday morning off Philadelphia Street, you don’t need a callback window. You need someone who knows the system and shows up with the fix.
Styles & brands we work with





Gate Welding in Ontario
Gate Welding in Ontario is the repair we reach for most often on the city’s older wrought-iron swing gates, where Santa Ana gusts hammer the hinge side until welds fatigue and snap. We cut out the cracked weld, clean the parent steel, re-weld with gusseted plates where the hinge post meets the panel, and replace hardware with stainless pins so the repair outlasts the original. A hinge re-weld on a standard 6-foot pedestrian gate in Ontario typically runs $185 to $340; a full gate panel re-weld with post reinforcement lands between $420 and $900 depending on how much of the old steel is salvageable.
Hinge Weld Fatigue From Wind Cycling
Ontario sits directly in the Santa Ana wind corridor, where sustained lateral loads funneling through the Cajon Pass push against gate panels for eight to fourteen hours at a stretch. That’s not a motor problem. It’s a structural fatigue problem, and it shows up as cracked welds at the hinge post weeks or months before the gate actually drops. Replacing the weld without addressing the post lean usually means we’ll be back next season.
Post Footing and Anchor Repair
Ontario’s clay-heavy soils expand in winter rain and shrink hard in summer heat, which slowly levers gate posts out of plumb. When a steel hinge post leans even a few degrees, every weld above it carries more load than it was designed for. Our repair sequence for a leaning post includes excavating the footing, pouring a deeper concrete base, plumbing the post, and re-welding the hinges with reinforcement plates before re-hanging the panel.
Commercial Gate Repair in Ontario
Commercial Gate Repair in Ontario means working on the sliding and barrier gate systems that guard apartment complexes off Mission Boulevard, industrial yards near the airport, and HOA entries throughout 91761 and 91764. These are DoorKing, FAAC, and BFT systems for the most part, and they fail differently than residential gates. We see rack and pinion gears stripped when wind pushes a sliding gate off its guide rollers, and we see loop detector faults where the seasonal wet-dry cycle shifts the ground and knocks the detection field out of alignment. Commercial gate repair in Ontario typically starts around $320 for a diagnostic and minor repair, and climbs to $1,200 to $2,600 for a full track rebuild, gear replacement, or operator board swap on a 20-foot sliding gate.
Sliding Gate Track and Rack Replacement
Ontario’s industrial and apartment gates are overwhelmingly sliding systems, and they take the brunt of the same Santa Ana winds that wreck residential swing gates. The failure pattern is consistent: wind pushes the gate panel sideways, the guide rollers climb, the rack and pinion gear set strips, and suddenly a 500-pound gate won’t move under power. We repair the track, replace the rack section, reset the rollers, and re-tension the chain, then run the gate through forty or fifty open-close cycles to confirm alignment under load.
Access Control and Entrapment Compliance
HOA and commercial operators in Ontario have a different set of obligations than a single-family homeowner. Entrapment protection on an automatic gate is a code issue, not a preference, and we regularly find older DoorKing and FAAC installations that predate current UL 325 entrapment standards. We check the photocells, the edge sensors, and the inherent reversing system on every commercial call, and we tell you honestly if your gate needs a retrofit rather than a patch. The repair is one line item; the liability exposure if it’s wrong is far bigger.
Trusted Brands We Service in Ontario
We service automatic and electric gates from nine manufacturers, and we’re certified on all of them. On Ontario service calls we most often open up FAAC and BFT operators on commercial properties, along with Linear and Viking residential openers on the city’s swing and sliding driveway gates. Because we’re factory-familiar with each system’s error codes and board layouts, we can diagnose a FAAC board fault or a BFT limit switch problem without guessing. We keep common replacement parts stocked for faster turnaround on Ontario calls, and when a part needs to be ordered, we know the exact spec and lead time instead of ordering blind.
See the difference
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After
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AfterCommon Gate Repair Problems We See in Ontario Homes
- Wrought-iron hinge welds cracked or snapped after wind events. Santa Ana winds off the Cajon Pass put repeated lateral load on gate panels, and the welds at the hinge post are always the first casualty. We re-weld with gusseted plates and upgrade the hinge pins to stainless so the repair outlasts the original steel.
- Sliding gates racked off their tracks by sustained gusts. When wind pushes a sliding gate sideways, the guide rollers climb and the gate drags or binds. The rack and pinion gear set is usually damaged by the time the homeowner notices, and the repair involves resetting the track and replacing the stripped gear section.
- Wood gate posts loosened by Ontario’s expansive clay soil. The seasonal wet-dry cycle in the Pomona Valley swells and shrinks the ground, working wood posts loose over a few winters until the gate sags and drags. We reset the post in a deeper concrete footing rather than just shimming the hinges.
- Operator boards failing from heat and monsoon moisture. Ontario summers bake control boards inside metal operator housings, and the monsoon moisture that follows corrodes terminal connections. We clean and re-seat connections, replace corroded boards when necessary, and seal the housing correctly.
Pricing for Gate Repair in Ontario, CA
Gate repair pricing in Ontario breaks down by the nature of the failure. A simple hinge re-weld on a wrought-iron pedestrian gate runs $185 to $340. Realigning a sliding gate that’s come off its track costs $220 to $480 including track and roller adjustment. Replacing an operator control board on a Linear or Viking residential opener is typically $380 to $750 depending on the board revision. Rebuilding a steel gate post with a new concrete footing runs $450 to $900. Full commercial sliding gate track and rack replacement starts around $1,200 and goes up based on gate length and gear condition. Every job gets a firm quote before we start work. Estimates are free.
We Also Serve Cities Near Ontario
Lexington Gate Repair serves Ontario and the surrounding communities, including Montclair, Upland, Chino, and San Antonio Heights. We’re based minutes away in Chino, so Ontario calls are local calls for us, not a distant service territory. If you’re in a neighboring city and need a gate repair specialist, we’ll get to you just as quickly.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Gate Repair in Ontario
Ontario’s position in the Santa Ana wind corridor means your gate panels are being cycled laterally for hours during wind events, and the hinge welds are the stress point that fails first. We fix this by re-welding the hinges with gusseted plates and upgrading to stainless hinge pins, which resists the wind cycling far better than the original mild steel welds. If the post is leaning even slightly in Ontario’s expansive clay, the weld will fail again, so we check and reset the post footing as part of the repair. Call (866) 304-1321 for an exact quote.
Almost always it can be repaired. The failure is usually the gate panel lifted off the guide rollers, which damages the rack and pinion gear set, and that’s a repair we handle regularly in Ontario. We reset the gate on its track, replace the stripped rack section, re-tension the chain, and run the gate through repeated cycles under load to confirm it holds alignment. Call (866) 304-1321 and we’ll tell you over the phone whether it’s a track reset or a full rack replacement, and what it costs.
Every automatic gate in Ontario is required to meet UL 325 entrapment protection standards, which means working photocells, edge sensors, or an inherent reversing system, depending on the installation date and operator type. We check entrapment protection on every repair call, and if your gate predates the current standard or your sensors have drifted out of alignment from Ontario’s shifting clay soil, we’ll tell you exactly what’s needed for compliance and what the retrofit costs.
Yes, and for Ontario specifically, galvanized or stainless hardware is the difference between a repair that lasts five years and one that lasts twenty. The dry summer heat and monsoon moisture cycles in the Inland Empire corrode mild steel hinges, pins, and fastenings faster than most people expect, especially on gates that have been in place since the 1960s and 70s. We use stainless hinge pins and galvanized fastenings by default on every Ontario repair because it’s the only specification that holds up to the local conditions.
In Ontario it’s usually both. Winter rains swell the wood gate itself and the clay-heavy soil around the posts, and the combination binds the gate against its frame or drops it enough to drag. We repair this by re-hanging the gate on adjustable hinges, resetting any post that’s worked loose, and often shaving just enough material where the swelling is worst. It’s not a temporary fix; it addresses the seasonal movement directly. Call (866) 304-1321 for a free assessment and quote.
Written by Nelson Arquette, Owner at Lexington Gate Repair, serving Ontario since day one.