Free 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.
Trusted Gate Repair for Sunnyvale Homeowners
Gate repair in Sunnyvale typically costs between $180 and $850 depending on the problem, and most non-emergency repairs are scheduled within 24 to 48 hours. Vance Gate Repair has completed over 22,000 gate repairs and installations since 2014, every one with a written price before work started and a documented photo record when the technician left. Call (669) 900-1904 and a live person will answer, 24 hours a day.
We’re based in Sunnyvale and work on swing gates, slide gates, and pedestrian access gates throughout the city, from the older ranch-style homes near Lakewood Park to the newer developments around the Moffett Park area. The climate here is harder on gates than people expect: morning fog carries salt residue inland from the Bay, and the dry summers cause steel to expand and contract more aggressively than in cooler coastal towns. We’ve found that hinges in Sunnyvale develop play faster than in nearby Santa Clara, and aluminum gates near the Caltrain corridor collect more grime from passing traffic. We document what we find, name what it costs, and leave you with a written record.
What Our Gate Repair Service Includes
Electric Gate Repair
Electric gates fail when power delivery, control logic, or safety circuits stop working together. In Sunnyvale, we see a lot of underground conduit flooding near properties with older irrigation systems, especially in the neighborhoods south of El Camino Real where clay soil holds water. We test the transformer output, trace the low-voltage wiring, and check every junction box for corrosion. Under The Haven Standard, we photograph the voltage readings at each test point and leave you with a diagram showing what we found and what we corrected.

Automatic Gate Repair
Automatic Gate Repair depends on motors, limit switches, and safety devices operating in sequence. The most common call we get in Sunnyvale is a gate that reverses for no visible reason, usually because a photo-eye (the infrared beam that stops the gate if something crosses the path) was knocked out of alignment by a landscaper or a child’s ball. We realign the eyes, clean the lenses, and test the obstruction sensitivity at multiple points in the travel arc. Before we leave, you get a photo log of every adjustment and a written record of the part number installed.

Hinge & Post Repair
Hinges & posts carry the full weight of a swing gate every time it moves, and posts anchor that load to the earth. In Sunnyvale’s older neighborhoods near Washington Park, we’ve replaced hinge pins that were worn to half their original diameter after fifteen years of unlubricated use. We pull the gate, inspect the post for rot or concrete degradation, and install adjustable ball-bearing hinges when the original hardware can’t be salvaged. The written scope includes whether the post itself needs resetting or replacement, so there’s no mid-job surprise.

Gate Realignment
A gate that drags, binds, or won’t latch is usually out of plumb or level. Soil settlement in Sunnyvale’s fill areas, particularly east of Mathilda Avenue, causes posts to tilt slowly over years. We use a laser level to check both posts against each other and against the gate frame, then shim, reset, or replace hardware as needed. The documentation includes the before-and-after measurements, so any future technician can see exactly where we started.

Lock Repair
Gate locks fail from corrosion, forced entry attempts, or internal mechanism wear. We service mechanical deadbolts, magnetic locks, and electric strikes on residential and light commercial gates in Sunnyvale. When a magnetic lock loses holding force, we test the power supply under load and measure the gap between armature and magnet, often finding that gate sag has increased the gap beyond the manufacturer’s spec. We fix the sag, realign the lock, and record the final gap measurement in your job file.

Weld & Rust Repair
Steel gates in Sunnyvale develop rust where the powder coating has chipped, especially at weld joints and along the bottom rail where sprinkler overspray collects. We grind to clean metal, weld cracked joints with 7018 rod for structural integrity, and apply a zinc-rich primer followed by color-matched topcoat. For gates with extensive corrosion, we document the metal thickness at multiple points so you can decide between repair and replacement based on actual measurements, not a sales pitch.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Brands We Service for Gate Repair

We service nine major gate-automation brands, and we stock OEM parts for the ones we see most often in Sunnyvale. On LiftMaster operators, we’ve replaced hundreds of gear assemblies and control boards, and we carry the common failure items for their residential swing and slide-gate line so most repairs don’t wait on shipping. DoorKing units are common in the multi-family properties near downtown Sunnyvale; we know their telephone-entry integration and can troubleshoot communication failures between the entry panel and the gate operator. Elite operators tend to show up in older installations, and we’ve rebuilt or replaced enough of their worm-gear drives to recognize the wear patterns by sound. Mighty Mule is the brand many homeowners install themselves; we fix the alignment and wiring issues that follow, and we can upgrade the control board when the original fails without replacing the entire arm assembly.
Whether you have LiftMaster, DoorKing, Elite, Mighty Mule, or any other make, we can help. Our technicians carry diagnostic tools for FAAC, BFT, Linear, Viking, and Ghost Controls as well, and we won’t steer you toward a replacement motor when the existing one can be repaired.
Before
AfterSigns You Need Gate Repair Right Now
- The gate makes grinding or squealing noises during operation. These sounds usually mean a gear is stripping, a bearing is dry, or the drive chain is binding. Continuing to operate the gate will convert a $200 adjustment into a $600 motor replacement. We listen to the noise pattern, isolate the source, and fix it before secondary damage spreads.
- The gate reverses before fully opening or closing. This is almost always a safety-system fault: misaligned photo-eyes, a failed edge sensor, or an obstruction in the track. In Sunnyvale, we find that spider webs across photo-eye lenses are a frequent culprit in the dry season. We clean, align, and test every safety device, then record the obstruction-force settings in your documentation.
- The remote works intermittently or only from certain angles. Weak signal can mean a failing receiver, a depleted remote battery, or antenna damage from weather exposure. We test signal strength at multiple distances and angles, replace the receiver if needed, and verify that the new unit has adequate range from your driveway and your house.
- The gate sags, drags, or leaves a visible gap when closed. Structural problems get worse with every cycle. A dragging gate stresses the motor, wears the track or wheels, and eventually jams completely. We measure the frame diagonals, check post plumb, and correct the root cause rather than just adjusting the limit switches to compensate.
- You see rust, cracks, or separation at welded joints. Rust expands as it forms, cracking the surrounding paint and exposing more metal. Cracked welds are a structural failure that will eventually let the gate detach from its hardware. We assess the extent, repair what can be saved, and tell you honestly when replacement is the safer option.
Our Gate Repair Process - Step by Step

- 1
Call and describe what you’re seeing. A live person answers at (669) 900-1904, 24 hours a day. We’ll ask about the gate type, the brand of operator if you know it, the symptoms, and how long they’ve been present. This lets us dispatch the right technician with the right parts.
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On-site inspection and diagnosis. Our technician arrives in a marked vehicle, uniformed, with name and photo already provided to you. We test every subsystem, electrical and mechanical, and identify the root cause. We don’t guess, and we don’t replace parts speculatively.
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Written estimate with flat price. Under Haven Standard Clause 1, you receive a written scope and a flat price before any work begins. The price includes parts, labor, and documentation. If you decline the repair, you pay nothing for the diagnosis.
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Repair with photographic documentation. The technician performs the approved work, photographing each step: what was found, what was adjusted, what was replaced. Wiring diagrams, limit-switch readings, and torque settings are recorded in the job file.
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Final test and handoff. We cycle the gate through its full travel multiple times, test every safety device under simulated obstruction, and demonstrate the repair to you. You receive the photo log and written record before the technician leaves. The 365-Day Done Right Promise begins at that moment.
How Much Does Gate Repair Cost in Sunnyvale?
Most gate repairs in Sunnyvale fall between $180 and $850, with the majority of common jobs landing in the $250-$500 range. Here are typical scenarios we see:
| Repair Type | Typical Range in Sunnyvale | What Affects the Price |
|---|---|---|
| Photo-eye realignment and safety test | $180-$260 | Number of eyes, conduit condition, whether new cable is needed |
| Hinge replacement (single gate) | $220-$380 | Post condition, gate weight, whether post resetting is required |
| Limit switch adjustment or replacement | $200-$340 | Brand availability, access to the operator cabinet |
| Control board replacement | $380-$650 | Brand, age of unit, whether programming is proprietary |
| Gear assembly or motor rebuild | $420-$850 | Brand, gate weight, whether the brake assembly is also worn |
| Weld and rust repair (localized) | $280-$520 | Extent of corrosion, access for welding, finish matching |
Several factors push a repair toward the higher end of these ranges. Brand parts availability matters: some European brands require longer shipping times, though we stock common failure items for LiftMaster, DoorKing, and Elite to avoid delays. Access conditions affect labor time; a slide gate with a buried track or a swing gate with overgrown landscaping takes longer to assess and repair. Secondary damage from delayed repair is the most expensive variable, a motor that ran with a binding chain for months often needs the gearbox rebuilt in addition to the chain replaced.
To avoid overpaying, get a second opinion on any written estimate from another company. Bring the paperwork to us and we’ll review it at no cost. Our free estimate includes the same written scope and flat price we’d provide on any job, and the price is quoted and agreed before any work starts. There is no surprise invoice at the end.
Call (669) 900-1904 for an exact quote on your specific gate. Estimates are free.
Gate Repair Near Sunnyvale - Our Service Area

We dispatch from Sunnyvale to the surrounding communities daily. Typical drive times put us in Santa Clara in 15 minutes, Cupertino in 20 minutes, and most of San Jose within 35 minutes. We also work regularly in Palo Alto, Saratoga, Milpitas, Campbell, Fremont, Menlo Park, Atherton, and Los Gatos. The technician assigned to your job is based on current location, not a fixed depot, so we minimize wait times without promising speed we can’t control.
Serving Sunnyvale, CA - Our Local Coverage Area
We’re based in the Sunnyvale area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Gate Repair in Sunnyvale

Gate repair is the diagnosis and correction of mechanical, electrical, or structural failures in residential or light commercial gates. At Vance Gate Repair, this includes testing the operator motor, safety systems, control logic, hinges, posts, track, wheels, locks, and gate frame, then fixing or replacing only what is actually failed. Every repair is documented with photographs and written notes under The Haven Standard.
Most gate repairs in Sunnyvale are completed in two to four hours on site. Simple adjustments, photo-eye realignment, or limit-switch resets may take under an hour. Motor replacements, post resetting, or extensive welding require more time but are usually finished in a single visit because we stock common parts and bring the right tools. We schedule the arrival, not the completion, so you’re not waiting on an unrealistic promise.
Gate repair in Sunnyvale typically runs $180-$850, with most common jobs between $250 and $500. The exact price depends on the failure type, the automation brand, parts availability, and whether secondary damage has occurred from delayed repair. We provide a written, flat price before any work begins, and estimates are free. Call (669) 900-1904 for a quote on your specific gate.
Yes. We service and stock parts for LiftMaster swing-gate and slide-gate operators, including gear assemblies, control boards, and safety devices. We’ve repaired hundreds of LiftMaster units in Sunnyvale and the surrounding area, and we won’t recommend replacement unless the motor is genuinely beyond repair.
A live person answers our phone 24 hours a day, seven days a week, including holidays. For gates that are stuck open and creating a security exposure, or stuck closed and blocking vehicle access, we prioritize same-day dispatch when possible. Not every failure requires emergency rates; we’ll tell you honestly whether your situation needs immediate attention or can be scheduled for the next available appointment.
All completed gate repair work is covered by our 365-Day Done Right Promise. If the repair is not right, we make it right at no additional charge within one full year. There is no expiration date within that window, no argument, and no fee. Parts carry their manufacturer’s warranty as well, which we honor on your behalf if a defect appears.
Clear a path to the gate operator and any control boxes, and note the brand name and model number if visible. If the gate is stuck, don’t force it manually unless you need emergency vehicle access, doing so can damage the motor or the gate frame. Have any previous repair records available; they help us understand the history and avoid repeating work. We’ll handle the rest when we arrive.
Schedule Your Gate Repair Service in Sunnyvale Today
Call (669) 900-1904 and a live person will answer, any hour. We’ll schedule your free estimate, provide a written flat price before any work starts, and leave you with a documented photo record of everything we found and fixed. No voicemail, no callback queue, no obligation until you approve the scope in writing.
Written by Adrian Vance, Owner at Vance Gate Repair, serving Sunnyvale since 2014.





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