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.
Before
After
Before
After
Before
AfterFast, Reliable Electric Gate Repair Across Redwood City
Electric gate repair in Redwood City typically costs $240 – $680 for most opener, motor, and sensor issues, with parts billed separately at wholesale-based rates. Most repairs are completed in 60 – 90 minutes on the first visit, and Calder Gate Repair has technicians dispatched to Redwood City neighborhoods including Redwood Shores, Emerald Hills, Farm Hill, and the Palm Park area. If your gate won’t open, reverses mid-travel, or the keypad stopped responding, call (903) 417-0793 and a live person will answer, day or night.
We’re the dedicated gate repair specialist inside the Relay Home Co. family, serving Redwood City with background-checked, uniformed technicians who arrive with a trackable arrival time, not a vague four-hour window. You get a written price before any work starts, and every repair carries our 365-Day Done Right Promise. If the repair fails within 365 days, Calder returns at no charge.
Key Takeaways:
- Most electric gate repairs in Redwood City run $240 – $680 before parts
- Same-day repair visits are standard for opener and motor failures
- Written price before any work starts, always
- 365-Day Done Right Promise: free return visit if the repair fails
- Factory-familiar with Linear, Viking, Ghost Controls, DoorKing and more
Why Calder Gate Repair Is Redwood City’s Preferred Electric Gate Repair Company
Being a local specialist matters here. Redwood City’s mix of 1950s ranchers in Redwood Oaks, hillside estates off Edgewood Road, and newer builds in Redwood Shores means gates here run on a dozen different opener generations. Our techs have repaired everything from a 20-year-old DoorKing swing operator to a brand-new Ghost Controls solar unit, usually on the first trip. When you book with Calder, you know who’s coming, when they’ll arrive, what time, and exactly what the job will cost before a single bolt is turned. That’s the Relay Standard, and it applies to every job we run in Redwood City.
Our reputation in Redwood City is built on showing up when we say we will, putting the price in writing, and standing behind the work. The 365-Day Done Right Promise means if the repair isn’t right, Calder makes it right. No fine print, no arguing about whether you caused it. That’s the difference between calling a generalist and calling the Electric Gate Repair team that handles gate issues all day, every day.
We answer calls with a live human 24/7. No voicemail tree, no chatbot. If your gate is stuck open at 11pm in Redwood Shores, you’ll talk to a real person who can dispatch a tech and tell you when they’ll arrive.
Automatic Gate Repair in Redwood City
Automatic gate repair in Redwood City covers the systems that move your gate: the motor, the arm or slide track assembly, the control board, and the safety sensors that stop the gate when a car or person is in the way. Most automatic gate failures here trace back to three things: corrosion from fog-belt moisture on Bay-facing properties, ground settling under gate posts in the city’s clay-heavy soil, and water intrusion into control boxes after winter storms. A typical automatic gate repair here runs $260 – $520, depending on whether we’re replacing a sensor, rewiring a control board, or rebuilding an arm assembly.
Slide Gate Track and Rack Rebuild
Slide gates are common on Redwood City hillside properties where a swing gate would need too much clearance. The rack and pinion that moves the gate collects grit and road debris, and once the teeth wear or the rack shifts, the gate jerks, stalls, or shears pins. We pull the rack, clean and re-align it, and re-set the travel limits so the operator doesn’t fight resistance.
Safety Photocell and Loop Detector Replacement
When a Redwood City gate refuses to close or reverses for no reason, it’s usually the photo eye or the underground loop detector. Standing water after winter storms is a common trigger, especially in low-lying sections of Redwood Shores. We replace the sensor, re-bury the loop wiring where needed, and run a UL 325 reversal test before we call the job done.
Electric Gate Motor in Redwood City
Electric gate motor replacement in Redwood City is the fix when your operator hums but the gate doesn’t move, when it struggles mid-cycle, or when the motor runs hot and trips its thermal overload. The fog belt off the San Francisco Bay pushes salt air and moisture into opener housings here, and motors that would last 15 years in a dry climate can fail in half that time without proper sealing. A motor replacement in Redwood City generally runs $380 – $680, including removal of the old unit, a sealed housing, and full travel and reversal testing. If your gate is dragging, call (903) 417-0793.
Sealed Housing and Corrosion Resistance
One of the things we do differently inside Redwood City is spec stainless fasteners, sealed control boxes, and marine-grade lubricant on every electric gate repair. Crews working further inland often skip this step because corrosion isn’t their daily reality. Here it is. If a motor is still mechanically sound but the housing is rusted through, we’ll seal and rebuild rather than sell you a full replacement.
Motor Replacement: Brands and Compatibility
We’re factory-familiar with nine major opener brands. The most common motor replacements we run in Redwood City are on Linear, Viking, and DoorKing units. We carry compatible motors for most models, and when a motor isn’t stocked locally, we order it and book the install within the same week, not the same month.
Trusted Brands We Service in Redwood City
Calder Gate Repair maintains current training on nine leading gate opener brands, and the three we see most often in Redwood City are Linear, Viking, and DoorKing. That matters because parts compatibility is brand-specific: a Viking control board won’t talk to a DoorKing receiver, and using the wrong limit switch means the gate never stops where it should. We stock common parts for Linear and Viking units used across Redwood City properties, which means faster turnaround when your opener goes down mid-week. Ghost Controls and DoorKing parts are ordered from our Bay Area supply chain and typically arrive within one to two business days.
Common Electric Gate Repair Problems We See in Redwood City Homes
- Salt air and fog-belt corrosion on the control board. Gates facing the Bay side of Redwood City take daily moisture exposure, and control boards with corroded terminals are our single most common repair call. We replace the board, seal the housing, and apply dielectric grease to the terminals.
- Ground settling under a swing gate hinge post. Older neighborhoods in Redwood City sit on expansive clay soil that shifts with wet winters. When the post settles, the gate sags, the operator runs against resistance, and the motor burns out. We re-shim the panel and re-anchor the post before the motor gets worse.
- Photocell or loop detector failure after storms. Standing water and leaf debris after Redwood City winter rains trigger false signals to the gate’s safety circuits. The gate reverses mid-close, or refuses to close at all. The fix is a new sensor, properly sealed and elevated.
- Worn rack and pinion on slide gates. Redwood City’s hilly neighborhoods have a lot of slide gates, and the rack teeth wear faster when the footing has shifted even slightly. We see operators straining and overheating because they’re fighting misalignment. Re-setting the rack drops the amp draw back to normal range.
Pricing for Electric Gate Repair in Redwood City, CA
Here are realistic price ranges for electric gate repair in Redwood City, based on our recent work in the city:
- Keypad or remote programming and replacement: $120 – $240
- Safety sensor (photocell) replacement: $180 – $340
- Control board replacement, including sealing: $320 – $620
- Electric gate motor replacement: $380 – $680
- Full slide gate rack and pinion rebuild: $420 – $780
- Gate opener system repair (motor, board, sensors): $240 – $680
Every price is quoted in writing before any work starts. The number on the invoice is the number agreed at the door, never a surprise. Parts are itemized separately at the same cost we pay. Estimate? Free.
We Also Serve Cities Near Redwood City
Beyond Redwood City, Calder Gate Repair covers Atherton, Menlo Park, San Carlos, and Palo Alto. If your property is on the border between Redwood City and any of these towns, we’ll still dispatch to you, and the same written-price and 365-Day Done Right standards apply. This is our home territory.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood City 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 Electric Gate Repair in Redwood City
Your gate is reversing after rain because water and leaf debris are interfering with the photocell or the underground loop detector. In Redwood City, winter storms leave standing water in low areas, and the sensors see the debris as an obstruction and tell the gate to reverse. The fix is usually a sealed replacement photocell or a new loop sensor, not a new motor. Call (903) 417-0793 and we’ll diagnose it on the first visit.
If the gate sags toward the latch side and the gap at the top hinge widens, the post footing has likely settled, not just the hinge. In Redwood City’s older neighborhoods with expansive clay soil, winter ground movement is the usual cause. If the hinges are tight but the gate still drags or the operator struggles, the post has moved. We re-shim and re-anchor the post and re-balance the gate.
We repair both. Calder Gate Repair is factory-familiar with LiftMaster, FAAC, and seven other major opener brands. Most LiftMaster and FAAC operator failures are repairable: a bad limit switch, a failed capacitor, or a corroded control board. We’ll always tell you if a repair is worth doing versus a replacement, and you get that answer in writing before you spend a dollar.
A proper electric gate installation includes groundworks and post anchoring for the gate’s weight, the power run to the opener, safety edges on the gate’s leading edge, photocell sensors on both sides, proper travel limits, and a full UL 325 reversal test. In Redwood City, we also spec sealed control boxes and marine-grade lubricant because of the fog-belt moisture. Skip any of those steps and the gate fails early or fails dangerously.
No, and you should be wary of anyone who does. A proper gate installation takes measured, ordered, and scheduled work: post holes, power runs, concrete cure time, safety sensor wiring. We’ll give you a free measure and a written price, and we’ll give you a real installation date, not a rushed promise. If it’s a repair, same-day visits are standard. Call (903) 417-0793 and we’ll tell you which one you need.
Call Calder Gate Repair in Redwood City
If your electric gate is stuck, grinding, reversing mid-close, or just dead, call (903) 417-0793. A live person answers 24/7. You’ll get a straight answer, a written price, and a real arrival time you can track. That’s how we work in Redwood City, and it’s the same standard we’d want for our own gates. Nico Alvarez leads our team, and he stands behind every Calder Gate Repair job in Redwood City with the 365-Day Done Right Promise.
Written by Nico Alvarez, Owner at Calder Gate Repair, serving Redwood City as part of the Relay Home Co. family, established 2009.