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.
Gate Repair in San Dimas, CA
Gate repair in San Dimas means working on gates that actually earn their keep. Most calls we run in the 91773 ZIP are for wide horse-property gates, wind-bent posts after a Santa Ana event, and operators that quit after years of fighting summer heat and hard water. If your gate won’t open for the horse trailer at 6 a.m., call (877) 610-2993 and a live person answers, any hour. We bring welding gear on the truck because most San Dimas fixes happen in the driveway, not in a shop.
Why San Dimas Homes Are Different
San Dimas sits at the base of the San Gabriel Mountains, and that one fact drives most of the gate work we do here. Santa Ana winds funnel straight down through the foothill gaps and hit gate panels broadside. We regularly find swing gates bent out of plumb after a wind event, weld points snapped at the hinge, and operator motors burned out from straining against wind-loaded panels. Summer heat routinely pushes past 100°F, warping wooden infills and expanding metal frames until they bind in their tracks.
The housing stock adds another layer. San Dimas is mostly 1960s through 1980s ranch homes plus genuine equestrian estates in the northern foothill tracts, where original wrought-iron and tubular steel gates are now 40 to 60 years old. Many were custom-fabricated locally, so there’s no manufacturer to call for replacement hinges or operator brackets. On acreage lots, long 120V wire runs to distant gate pedestals cause voltage drop that kills operators prematurely. We bring a line voltage tester first, before assuming the motor itself has failed.
Gate Repair in San Dimas
Gate repair in San Dimas usually comes down to three things: wind damage at the hinge post, corrosion at the weld joints, and voltage problems on long wire runs to the operator. We fix the gate where it stands, which matters when you’re dealing with a 16-foot horse-property slider that can’t be easily hauled anywhere. Here’s what we see most often in the 91773.
Hinge and Post Repair
When a Santa Ana event comes through the foothill gaps, the hinge post takes the beating. A gate sags in the hinge post, not in the middle, and that’s where we start. Post replacement on a single swing gate in San Dimas typically runs $450 to $900 depending on post size and concrete removal. Weld repair on a snapped hinge or frame crack lands between $120 and $350. We weld the new hardware in place rather than bolting it and hoping, because a bolted hinge on a wind-loaded gate is a repair you’ll make twice.
Wind and Corrosion Damage
Hard San Gabriel Valley water accelerates corrosion on older wrought-iron and tubular steel gates, especially at the bottom hinge and post base where sprinkler overspray sits year-round. We cut out the rotted section, sleeve it with heavier-wall tube, and weld the joint solid. A full hinge rebuild on a heavy ranch gate runs $300 to $700. If the gate has been custom-fabricated and the manufacturer is long gone, we make the replacement parts on site instead of telling you to buy a new gate.
For a closer look at how we approach this work, see our Gate Repair page. The short version: we fix what’s there before we sell anything new.
How much does gate repair cost in San Dimas?
Common repairs in San Dimas run $120 to $350 for weld work, $450 to $900 for post replacement, and $600 to $1,400 for operator motor replacement including labor. Heavy ranch gates with full hinge rebuilds land between $300 and $700. The price we quote before work starts is the price on the invoice. Call (877) 610-2993 for an exact figure.
Can you repair a horse property gate in the San Dimas foothills?
Yes. Those 16 to 20 foot pipe-and-panel gates are a major part of our workload in San Dimas. We’re set up to handle the heavier steel, higher cycle counts, and uneven gravel driveways that come with equestrian zoning. We keep welding gear and common parts on the truck so most repairs happen same visit, not after a parts run.
Gate Installation in San Dimas
A new driveway or security gate in San Dimas runs anywhere from $2,800 for a basic single swing gate up to $15,000 or more for a custom double swing or heavy sliding gate with automation. Those are real numbers for this market, not a national average. Most jobs in the 91773 take one to three days once we have the gate and posts on site. The wind here is the biggest reason we set posts deeper than code minimums.
Driveway Gate Installation
Most San Dimas driveway gates are either single swing gates on standard residential lots or wide sliding gates on equestrian acreage. A single swing steel or aluminum gate typically runs $2,800 to $5,500 installed. We measure post spacing, check the fall of the drive, and set posts sized for the wind path your property sits in. A properly set post in this corridor is the difference between a gate that lasts twenty years and one that sags by spring.
Sliding Gate Installation
Sliding gates are common on San Dimas foothill lots where a swing gate would need to clear a steep grade or long vehicle turnaround. Standard residential sliders land between $5,000 and $12,000, and wide horse-trailer capable sliders can top $15,000 when you’re into heavy custom steel. We fabricate the track and carrier system on site, sized for the actual weight of the panel, not a guess. Horse properties with 16 to 20 foot gate panels need a different class of V-track and roller than a standard driveway gate.
Pedestrian Gate Installation
Pedestrian gates get used harder than any other gate on the property. In San Dimas, where backyard access often connects to horse runs or side yard utility zones, they see real daily abuse. Pedestrian gates usually run $900 to $2,500 installed. We hang them with heavier hinges and a latch that won’t rattle loose after a season of wind. If you’re adding one next to an existing driveway gate, we’ll match the steel style and finish so it looks like it was always there.
We cover how we measure, quote, and build these jobs on our Gate Installation page. Operators and automation add $1,200 to $3,500 depending on brand and duty cycle, and we’ll show you the FAAC, BFT, or Viking spec before you commit.
Do you cover all of San Dimas, including the foothill and equestrian zones?
Yes. We cover the entire 91773 ZIP, including the northern equestrian tracts, streets off Valley Center Road, and neighborhoods near San Dimas Canyon. Horse property gates are a major part of our workload here, and we’re comfortable with the wide, heavy sliders and swing gates that come with them. Estimates are free.
Is gate installation in San Dimas more expensive than nearby cities?
Not meaningfully. San Dimas pricing runs in line with the rest of the east San Gabriel Valley. What changes the number is the gate itself. A standard 12 foot residential swing gate costs about the same here as in Glendora, but a 20 foot horse trailer slider on a foothill lot costs more because it’s a larger, heavier custom steel system. We quote by the job, not by the city.
Gate Motor & Opener in San Dimas
Gate motor and opener repair in San Dimas usually starts around $240 for a basic motor swap and runs up to $1,800 or more when you’re dealing with a 20-foot equestrian slide gate and a commercial-grade operator that needs full replacement. Most calls we run in the 91773 are finished the same day, because we keep common parts in the truck. Before we quote a motor, we check the gate itself: hinge post plumb, rack alignment, wheel bearings, and line voltage at the pedestal.
Motor Repair
Most San Dimas motor repairs are not the motor’s fault. We find burned control boards, stripped rack and pinion gears, exploded capacitors, and limit switches jammed with grit. Common failures like capacitors, limit switches, and control board replacement run $240 to $480 on standard residential openers. The hinge post is often the real culprit: wind bends it out of plumb, the gate starts dragging, and the motor stalls repeatedly until the board quits. We fix the post and the motor together.
Slide Motor Replacement
Slide gates in San Dimas are a different animal. The northern foothill tracts have active equestrian zoning, so these aren’t 12-foot driveway gates on flat concrete. They’re 16 to 20 foot heavy steel gates on uneven gravel runs, built to pass a horse trailer. Slide motor replacement on an equestrian gate typically runs $1,200 to $3,500 because the operator is bigger, the rack often needs section replacement, and the gate itself needs squaring and balancing first. We stock rack sections and wheels for the heavy stuff.
Battery Backup
Wind-driven power blips in the San Dimas foothills are frequent, and a gate without power is a gate that won’t open for fire trucks, ambulances, or a horse trailer at 6 in the morning. Battery backup installation is usually $350 to $700 depending on the operator and whether it needs a new transformer or dedicated circuit. We install battery systems on most major brands, including DoorKing, Viking, and Ghost Controls.
Our Gate Motor & Opener page covers the full range of what we service, from linear arms on ranch-style swing gates to heavy commercial slide motors. Linear motor arm replacement typically falls in the $600 to $1,400 range installed.
Why does my gate operator keep stalling on windy days in San Dimas?
Because Santa Ana winds funnel down through the foothill gaps and hit your gate broadside like a sail. A 16 to 20 foot ranch gate in 40-plus mph gusts can push a residential opener past its torque limit, causing the motor to stall, trip thermal protection, or strip the rack and pinion. The fix usually involves squaring the hinge post and reinforcing the mounting before the motor is replaced. Call (877) 610-2993 and we’ll diagnose it on site.
My gate operator is dead but the breaker isn’t tripped. Do I need a new motor?
Rarely. On San Dimas acreage lots with long wire runs, we often find the issue is voltage drop at the operator pedestal, not the motor itself. Thin 120V runs from a distant panel deliver less voltage than the control board expects, and the board fails while the motor is still fine. We test line voltage before selling anyone a motor.
Gate Access Control in San Dimas
Gate access control in San Dimas means more than swapping a keypad. A typical keypad or phone-entry install in the 91773 runs $450 to $900, while a full video intercom with smart access on an equestrian estate gate usually lands between $1,800 and $4,200. What fails here is predictable: wind load tripping entrapment sensors, hard water eating buried loop wire, and voltage drop on long driveway runs off San Dimas Canyon Road.
Keypad Entry
Keypads on San Dimas equestrian entries see more abuse than almost anywhere else. Dust, hard water, direct sun, and repeated code entry by ranch hands hammer the terminals. A replacement keypad with new wiring and a relay check typically runs $350 to $750. We weather-seal every connection point and mount the unit so it’s not taking direct afternoon heat on a south-facing post.
Video Intercom
Long driveways in the northern foothill tracts make a video intercom the difference between walking 400 feet to see who’s there and checking from the kitchen. A full video intercom with smart access typically runs $1,800 to $4,200 installed. We integrate with existing gate operators, including DoorKing and Viking systems, and we run the cat-6 or dedicated power correctly so the camera doesn’t brown out when the gate motor kicks on.
Smart Access Retrofit
Phone-based entry is the most common upgrade we do in San Dimas, especially on horse properties where multiple people need access during the day. Homeowners can open the gate from a phone, issue temporary codes to boarders or vets, and get alerts when the gate cycles. Retrofitting an existing operator for smart access usually runs $550 to $1,100 depending on the operator’s age and wiring condition. We check line voltage at the pedestal first, because a smart controller on a marginal wire run will reset every time the motor starts.
See our Gate Access Control page for a fuller breakdown of what these systems can do. A diagnostic visit runs $95 to $185, and there’s no trip charge inside Los Angeles County.
Can you integrate a video intercom with our existing gate opener on a San Dimas horse property?
Yes, in most cases. We run the intercom and camera wiring back to the house and tie the relay into your existing operator board, whether it’s DoorKing, Viking, or Linear. On horse properties with gates 300 feet from the house, we may add a dedicated power run and line conditioner so the intercom doesn’t brown out when the motor starts.
Our automatic gate stops mid-cycle when the wind blows. Is that normal for San Dimas?
It’s common, but you shouldn’t live with it. Santa Ana winds flex the gate panel, entrapment sensors read that flex as an obstruction, and the operator faults. The real fix is structural: re-square the hinge post, reinforce the hinge mounting, and recalibrate the safety edges so normal wind-load flex doesn’t trip the system. Call (877) 610-2993 for a diagnosis.
Gate Parts & Welding in San Dimas
If your San Dimas gate won’t close, sags at the latch, or snapped a hinge in the last Santa Ana wind, we can usually get it fixed the same week. We do on-site welding and parts replacement for swing gates, slide gates, ranch gates, and driveway operators across the 91773, including the foothill and equestrian neighborhoods where gates tend to be older, heavier, and custom-built. The gate stays in your driveway. We fix what’s there.
Hinge Replacement
Hinge replacement is the most common gate repair we do in San Dimas, especially on original wrought-iron and tubular steel gates from the 1960s through the 1980s. Hard San Gabriel Valley water accelerates corrosion at the weld joints, and after 40 years the welds let go. A typical hinge replacement runs $180 to $420 per hinge depending on gate weight and whether we need to re-plate the post. We weld the new hinges in place, never just bolt them and hope.
Post Replacement
In the San Dimas foothills, Santa Ana wind gusts gradually push hinge posts out of plumb. Once a post leans more than a degree or two, the gate binds on the latch post and the operator starts pulling high amps to force it. Post replacement in San Dimas typically runs $450 to $1,200, including the new steel post, concrete footing, and re-hanging the gate. We cut out the old footing and set the new post with deeper embedment than what was there before.
Custom Welding
When a gate was custom-fabricated in San Dimas decades ago, there’s no parts catalog to order from. We make what’s needed on site: new hinge plates, operator brackets, latch catches, stop bars, and gussets. Most custom welding jobs run $300 to $900, quoted in person before we start. We’ve rebuilt 18-foot tubular steel swing gates on gravel driveways where the original hinge post had rotted at grade and the operator was pulling 14 amps against a wind-bent panel. Fix the post, fix the hinges, and the operator stops fighting.
Our Gate Parts & Welding page goes deeper on what we can fabricate. Rail repair on standard San Dimas gates runs $200 to $550 per rail, and slide gate rollers land between $120 and $380. Heavy-duty latches run $90 to $240 including labor.
Why do so many gate repair calls in San Dimas involve post and hinge work rather than just panel repair?
Because San Dimas sits at the base of the San Gabriel Mountains, and Santa Ana wind events funnel through the foothill gaps bending hinge posts out of plumb season after season. A gate that leans even a degree or two starts binding at the latch, which overloads the operator and transfers stress to the hinges and welds until something fails. Call (877) 610-2993 and we’ll tell you what’s actually wrong.
My ranch-style gate in San Dimas was custom built years ago and the original hinges are shot. Can you fabricate replacements?
Yes. We fabricate replacement hinges on site when the manufacturer is long gone and no off-the-shelf hinge matches the original plate dimensions. We cut new plate, weld on a heavier barrel, and match the existing hole pattern so the gate hangs exactly where it did before. Most custom hinge fabrication lands between $200 and $450 per hinge.
Brands We Service in San Dimas
We service and repair Linear, Viking, Ghost Controls, and DoorKing operators in San Dimas, and we keep common parts for these brands stocked locally. When a board, capacitor, or limit switch fails, we usually don’t have to order anything from across the country. See our brands page for the full list of what we work on.
Pricing for Gate Repair in San Dimas, CA
Here’s what San Dimas homeowners can expect to pay for common gate work. These are honest ranges for this market.
| Service | Typical range in San Dimas |
|---|---|
| Weld repair (hinge or frame crack) | $120 - $350 |
| Post replacement (single swing gate) | $450 - $900 |
| Full hinge rebuild on heavy ranch gate | $300 - $700 |
| Operator motor replacement | $600 - $1,400 |
| Photocell or safety edge replacement | $90 - $250 |
| Single swing gate installation (steel/aluminum) | $2,800 - $5,500 |
| Double swing gate installation | $4,500 - $9,500 |
| Sliding gate installation (standard residential) | $5,000 - $12,000 |
| Gate motor repair (common failures) | $240 - $480 |
| Slide motor replacement (equestrian gate) | $1,200 - $3,500 |
| Keypad replacement with wiring | $350 - $750 |
| Smart access retrofit (phone entry) | $550 - $1,100 |
What pushes the price up in San Dimas is wind load on foothill lots, long wire runs to distant gate pedestals, and the heavier steel used on equestrian gates. Every price is written down and agreed before any work starts. No trip charge inside the county, $40 off any repair over $200, and a permanent 10% discount for seniors and veterans.
Neighborhoods We Serve in San Dimas
We repair gates across all of San Dimas, usually arriving within 60 to 90 minutes for repair calls. That includes the neighborhoods where the gates are the most demanding.
- Via Verde
- Bonita Ranch
- Foothill neighborhoods north of Sierra Madre Avenue
- Equestrian tracts along San Dimas Canyon Road
- Properties near Puddingstone Reservoir
Service Area - Cities Near San Dimas
We also serve the surrounding communities in the east San Gabriel Valley. If you’re in one of these areas, you’ll get the same live-person answer and the same honest pricing: San Dimas, CA, Charter Oak, CA, La Verne, CA, Pomona, CA, Glendora, CA, and Covina, CA.
Serving San Dimas, CA - Our Local Coverage Area
Gatewood Fence & Gate crews serve San Dimas and the communities around it; dispatch is coordinated from our Los Angeles office. The map shows the San Dimas coverage area; if your address is on it, we can help.
Also serving nearby: San Dimas, CA, Charter Oak, CA, La Verne, CA, Pomona, CA, Glendora, CA, Covina, CA.
FAQs About Gate Repair in San Dimas
For urgent repairs, we usually arrive within 60 to 90 minutes anywhere in the 91773 ZIP. A live person answers the phone 24 hours a day, seven days a week, so you’ll never leave a voicemail during a break-in worry. Call (877) 610-2993 and describe what happened to the gate.
Most gate repairs in San Dimas don’t require a permit, but HOA-governed neighborhoods may have restrictions on gate style, height, or finish. If you’re in an HOA, check your covenants before a full replacement. For repairs on an existing gate, you’re almost always clear to proceed. We’re happy to talk through what your specific property needs.
Yes. We schedule San Dimas repair calls and estimates within two to three business days, and often sooner for urgent work. We’ll give you a specific day and time rather than a four-hour window. Dispatch and scheduling are coordinated from our Los Angeles office, and crews serve San Dimas locally throughout the week. Call (877) 610-2993 to set a time.
If your gate is stuck open, stuck shut, sagging at the latch, or the operator just quit, call (877) 610-2993. A live person answers, the estimate is free, and the price we quote before work starts is the price on the invoice. Hal Gatewood’s name is on the shop, and the 90-Day Done Right Promise is in writing on every job.
What happens when you call
- 1A real person answersNo phone trees - talk to a local gate repair pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Dimas Customers Say
"Safety photo eyes on our old gate had been bypassed by whoever serviced it last, which he was genuinely annoyed about on my behalf. Fitted proper sealed ones and wired them the way they should be."
- Otis Redmond"He builds the gates himself in his own shop. You can go and look at it. That is not something you can say about the outfits that just order a panel in."
- Doreen Whitfield"Welded the hinge back onto our wrought iron gate on site rather than taking it away for a fortnight. Ground it back and painted it and you cannot see the repair."
- Winston Achterberg





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