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.
Fast, Reliable Gate Repair Across Union City
Gate repair in Union City most often comes down to one of three problems: the motor stopped responding, the gate is sagging and dragging, or the opener runs but the gate never reverses when something blocks it. A typical service call in Union City runs $85 – $140 for diagnosis, and most repairs land between $180 and $420 depending on parts and labor. We dispatch from the San Francisco Bay Area office, send a background-checked, uniformed technician to your address, and put the written price in your hand before any work starts. Call (469) 530-2485 any time, day or night, and a live person answers.
Why Carver Gate Repair Is Union City’s Preferred Gate Repair Company
Union City homeowners call us because we show up, quote honestly, and stand behind the work for a full year. The review pattern is consistent: customers mention the technician who arrived within the window, the price that matched the quote, and the gate that still works months later. That’s The Garrison Standard, and it’s been operating since 2008.
Our Gate Repair team works exclusively on gates and motor systems. We’re not a general handyman squeezing in gate jobs between remodels. Technicians train on nine motor brands, including FAAC, BFT, and Linear, so the diagnosis is faster and the repair is right the first time. For Union City specifically, our crews understand the soil conditions along the Hayward Fault corridor and how they affect posts, hinges, and operator alignment. That local knowledge changes how a repair gets done.
Every repair includes a written guarantee good for 365 days. If the same failure returns within that window, the second visit is free. No charge, no argument. That’s the difference between a company that wants the job and one that wants to keep your business.
Commercial Gate Repair in Union City
Commercial Gate Repair in Union City covers slide gates, swing gates, barrier arms, and the operators that drive them at apartment complexes, industrial yards, and business park entrances off Whipple Road and Central Avenue. These gates cycle hundreds of times a day, and when one fails, tenants can’t get in and deliveries back up. We prioritize commercial calls because a down gate is a liability and a bottleneck, not an inconvenience.
Slide Gate Operator Service
Slide gates in Union City take a beating from the combination of Bay Area soil movement and constant cycling. The most common commercial failure we see is rack and pinion misalignment: the rack bolts work loose or the ground shifts, the gear starts catching, and the motor strains until it fails. We realign the rack, re-torque the mounting hardware, and test the operator’s amperage draw to confirm it’s not overloaded. Typical repair cost is $280 – $520 depending on parts.
Access Control and Safety Compliance
Commercial gate work in Union City also involves loop detectors, keypads, and safety edges. A gate that doesn’t reverse on contact is out of compliance with UL 325 and puts every vehicle and pedestrian at risk. Carver technicians test reversal force and photo-eye alignment on every commercial call, then document the results. Expect $150 – $350 for loop detector replacement or safety edge repair, plus the service call fee.
Iron Gate Repair in Union City
Iron Gate Repair in Union City typically involves welding, rust remediation, hinge replacement, and post resetting on ornamental gates that frame driveways and side yards in neighborhoods like Decoto and the areas around Alvarado-Niles Road. Iron gates look solid but they fail at the connections: hinge welds crack, posts lean, and the bottom of the frame rusts through where water pools against the concrete.
Hinge and Post Stabilization
When an iron gate starts dragging, the cause is usually a post that settled or a hinge that pulled loose from the masonry. Our techs reset the post in fresh concrete, weld or replace the hinge bracket, and re-hang the gate so the gap is even and the latch catches cleanly. For a typical Union City driveway gate, hinge and post repair runs $220 – $480 including materials.
Rust Repair and Refinishing
Coastal fog and winter rain accelerate rust on iron gates throughout the Union City area, especially on the lower rails and scrollwork near ground level. We grind out the corrosion, weld in new steel where the section is thin, and prime and paint the repair so it matches. Expect $180 – $400 for localized rust repair depending on the size of the affected area.
Trusted Brands We Service in Union City
Carver technicians service FAAC, BFT, Linear, Viking, LiftMaster, DoorKing, Elite, Ghost Controls, and Mighty Mule gate operators. We stock common control boards, limit switches, and safety sensors in our Bay Area fleet vehicles, so a Union City repair doesn’t wait on a parts shipment from the East Coast. If your opener is a FAAC swing arm, a BFT slide operator, or a Linear actuator, we already know the failure points and carry the spares that matter. You don’t pay for a technician to learn your system; you pay for it to be fixed.
Common Gate Repair Problems We See in Union City Homes
- Gate sagging and dragging after months of normal use. Union City sits on the Hayward Fault corridor, and the soil creep along the foothill edges of the city slowly shifts gate posts and pier footings. A gate that cleared the driveway last spring may scrape it by fall, and the fix is resetting the post, not just tightening hinges.
- Slide gate grinding or binding halfway through its travel. Seasonal ground shifting knocks rack and pinion systems out of alignment, especially on longer slide gates in the industrial and commercial parcels east of I-880. The motor works harder, the breaker trips, and eventually the operator burns out. Realigning the rack before the motor fails is a $200 job; replacing the operator is $600 or more.
- Opener runs but gate won’t reverse on contact. This is a safety photocell or edge sensor problem, often caused by debris buildup, corroded wiring, or a photo-eye knocked out of alignment by a bump from a car or delivery truck. We test the reversal force and photo-eye alignment per UL 325 on every call, because a gate that doesn’t reverse is dangerous.
- Corroded electrical connections at the operator. Fog off the bay and winter rain combine to corrode terminal strips and splice connections inside operator housings, especially on older installations near Alameda Creek and along the bay side of the city. Symptoms include intermittent operation, a gate that starts and stops, or a control board that resets randomly.
Pricing for Gate Repair in Union City, CA
Gate repair in Union City typically costs $85 – $140 for the service call and diagnosis, with most repairs totaling $180 – $420. Hinge and post work on sagging gates runs $220 – $480. Operator repairs land between $280 and $650 depending on whether it’s a control board, limit switch, capacitor, or gear assembly. Full operator replacement, when needed, runs $700 – $1,800 installed depending on the brand and gate size. A gate installation in Union City, including posts, concrete, operator, safety edges, and wiring, typically starts around $3,500 for a basic single swing gate and goes up from there. Every job gets a written price before work starts, so the number never moves at the door. Call (469) 530-2485 for a free estimate.
We Also Serve Cities Near Union City
Our Gate Repair in Union City coverage extends to Fremont, Newark, San Lorenzo, and Castro Valley. If you’re outside Union City proper, reach out anyway. Crews move through the East Bay daily, and nearby cities often share the same next-day or two-day scheduling window.
Serving Union City, CA – Our Local Coverage Area
We’re based in the Union 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 Gate Repair in Union City
First, check the photo-eye sensors near the bottom of the gate posts. If they’re dirty, misaligned, or blocked by leaves or debris, the gate treats the beam as broken and refuses to close instead of reversing. Clear the lenses and make sure both sensors point directly at each other. If the gate still doesn’t reverse, the safety edge or control board likely needs service. Call (469) 530-2485 and we’ll send a technician to diagnose it, with a written price before any repair work begins.
In Union City, the most common cause is post settlement from soil movement along the Hayward Fault corridor. The post shifts in the ground, the gate drops, and no amount of hinge adjustment will hold because the foundation itself is moving. The fix is resetting the post in fresh concrete with proper depth and anchoring. Adjusting hinges repeatedly just buys weeks, not a permanent fix.
Yes. We service solar gate opener systems from Ghost Controls, Mighty Mule, and other brands. The common failure points are a failing battery that won’t hold charge, a solar panel that’s undersized for the gate’s cycle count, or a charge controller that’s stopped regulating. We test the panel output, the battery under load, and the operator’s draw to find exactly what’s failing, then quote a repair price before touching anything. For Union City’s partly foggy conditions, panel sizing matters more than most people expect.
A typical single swing gate installation in Union City takes 2 to 3 days from excavation to final testing. That includes setting posts in concrete, allowing cure time, hanging the gate, running power, installing the operator, and testing safety edges and reversal per UL 325. Slide gates and larger commercial projects run longer. We schedule installations in advance and provide a written timeline with the quote. Same-day installation isn’t realistic for quality work, and we won’t pretend otherwise.
A grinding commercial slide gate in Union City usually means the rack and pinion have come out of alignment. The gears are catching on the edge of the rack teeth instead of meshing cleanly, and every cycle is damaging the gear teeth and loading the motor. Left alone, the operator fails. We realign the rack, re-torque the mounting hardware, and test the motor’s amperage draw. For commercial slide gates in the industrial areas off Whipple Road and Central Avenue, call (469) 530-2485 to get on the schedule.
Local Conditions Union City Homeowners Need to Know
Union City sits directly on the Hayward Fault, and that single fact shapes more gate failures here than any other factor. The soil along the foothill edges of the city creeps and shifts with seismic activity, so gate posts and pier footings that were poured and perfectly aligned last year are often out of level within months. A gate that suddenly starts dragging, or a slide gate that starts grinding halfway through its travel, is usually a foundation problem, not a panel problem. Misdiagnosing it as a hinge issue means paying for a band-aid fix that fails again in weeks.
We were called to a home in the Alameda Creek area for a LiftMaster swing gate operator that had stopped reversing. The hinge post had settled from soil movement, throwing the gate out of square and blocking the safety photocell with debris. We reset the hinge post, cleared the photo-eye, and tested the reversal force per UL 325. The gate has cycled reliably since.
That’s the standard every Carver technician works to. Written prices, background checks, a 365-day guarantee, and a crew that knows Union City’s soil, fog, and fault line conditions before we ever touch your gate.
Written by Lonnie Burke, Owner at Carver Gate Repair, serving Union City, CA. Call (469) 530-2485 for a free estimate.





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