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 Gate Installation Across Union City
A new gate installation in Union City typically runs $2,800-$6,500 for a residential driveway gate with automation, depending on material, size, and whether the existing posts and footings can be reused. Most Union City homeowners get a written quote within 48 hours of our first site visit, and we schedule installation once materials arrive, usually 2-3 weeks for standard steel or aluminum designs. Call (650) 293-9440 to book a free measure and written estimate.
We serve Union City from our Bay Area dispatch office, with crews working the flatland subdivisions near Decoto Road, the Alvarado district, and the newer townhome clusters around the Union City BART station. The soil, wind, and salt air here are not abstractions to us. We’ve replaced hinge posts eaten through by corrosion and rehung gates thrown out of square by shifting Bay mud. That local experience changes what we specify for footings, hardware, and corrosion protection.
Why Vance Gate Repair San Mateo Is Union City’s Preferred Gate Installation Company
We’ve installed and repaired gates in Union City since 2014, and the pattern is consistent: homes built between the 1960s and 1980s in the Decoto and Alvarado neighborhoods still carry their original ornamental iron gates, and those gates are failing simultaneously. Hinge pins seize. Weld seams crack. Posts lean. Homeowners call after finding a gate that won’t close or a post that moves when pushed.
Our approach is documented and priced in writing before any work starts. Under The Haven Standard, you receive a written scope, a written price, and a photographic record of every footing depth, hinge placement, and operator setting. No verbal estimates. No invoice surprises. The 365-Day Done Right Promise covers every installation: if anything is not right, we make it right at no charge.
A live person answers our phones 24 hours a day. When you call (650) 293-9440, you reach someone who can schedule a site visit, not a callback queue.
Our Gate Installation Services in Union City
Driveway Gate Installation
Most Union City driveway gate installations we handle are replacements: removing a corroded 1970s ornamental iron gate and its failing operator, then installing a new gate engineered for the local conditions. We pour footings below the frost line and into stable soil, not just the loose hydraulic fill that shifts seasonally. For homes west of Decoto Road near the Bay flatlands, we specify deeper concrete footings with galvanized steel posts because we’ve seen standard installations heave within two winters. A typical new automated driveway gate in Union City runs $3,200-$6,500 including operator, safety devices, and installation.
Swing Gate Installation
Swing gates remain the most common type in Union City’s older neighborhoods, where driveway widths are standard and the gate opens inward toward the house. We install both single-leaf and double-leaf swing gates, always with UL 325-compliant safety photocells and edge sensors. The Dumbarton Bridge wind corridor is a real factor here: gates we install near the shoreline get heavier-duty hinge hardware and adjustable jamb brackets that can be reset if wind stress causes drift. We recently installed a new LiftMaster-equipped swing gate at a 1970s tract home off Decoto Road near the Bay flatlands. The original ornamental iron gate and its hinge post had corroded through at the base and the post footing had heaved from saturated Bay mud, so we poured a deeper concrete footing, set a new galvanized steel hinge post, and mounted a LiftMaster operator with safety photocells. The gate now clears the ground through seasonal soil shifts and resists the salt air that had eaten the old iron.
Security Gate Installation
Union City’s newer high-density developments near the BART station, and some HOA-managed communities throughout the city, require security gates with access control: keypads, telephone entry systems, or RFID readers. We install these with commercial-grade documentation, wiring diagrams, and photographed records, so future service calls don’t require reverse-engineering someone else’s work. Every security gate installation includes UL 325 safety compliance verification and a written handover document.
Sliding Gate Installation
Sliding gates suit narrow Union City lots where a swing gate would encroach on the driveway or sidewalk. We install cantilever or track-mounted systems, with the choice depending on grade and available setback. Track systems cost less but require level ground; cantilever systems tolerate slight grade changes without binding. A sliding gate installation in Union City typically runs $3,800-$7,200. We always inspect the footing conditions first: sliding gates are unforgiving of post movement, and we’ve seen too many installations fail because the track post heaved in wet Bay mud.
Pedestrian Gate Installation
Side-yard and garden gates in Union City’s older neighborhoods often match the ornamental iron style of the main driveway gate. We fabricate and install pedestrian gates to match existing designs or create new ones, with self-closing hinges and latches specified for salt-air exposure. A standalone pedestrian gate installation runs $800-$1,800.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Union City
We install and service operators from FAAC, BFT, Linear, and Viking, among others. For Union City installations, we stock parts locally for fast turnaround when an operator needs warranty service or adjustment. We’re not exclusive to any brand, which means we specify the operator that fits your gate weight, cycle frequency, and access-control needs, not the one we happen to push. Every installation includes operator programming, limit-switch setting, and safety-device testing, with the final settings photographed and recorded under Haven Standard Clause 4.
Common Gate Installation Problems We See in Union City Homes
- Corrosion-driven hinge failure: Salt aerosols from the Dumbarton Bridge wind corridor oxidize bare iron and steel hardware on original 1960s-1980s ornamental gates, causing hinge pins to seize and welds to crack. The gate sags, binds against the post, and eventually fails to close. We see this weekly in Decoto and Alvarado.
- Post footing displacement: Seasonal swelling and shrinking of Bay mud and hydraulic fill soils west of Decoto Road shifts post footings, throwing gate frames out of plumb and misaligning swing or slide gate tracks even when the gate itself is sound. This is a Union City-specific failure mode that techs working Fremont hills or Hayward uplands rarely encounter.
- Obsolete operator and safety compliance gaps: Legacy gate operators with worn control boards lack UL 325 entrapment protection (photo-eyes or edge sensors). Retrofitting modern safety devices onto incompatible old operators often costs more than replacing the entire system, and California law requires UL 325 compliance on all new and modified automated gates.
- Wind-induced slam and pivot stress: Strong Bay winds funneled through the Dumbarton gap slam gates repeatedly, stressing pivot hinges and causing drift out of plumb that accelerates wear on both the gate frame and the operator’s gearbox. Gates near the shoreline need heavier hardware and more frequent adjustment checks.
Pricing for Gate Installation in Union City, CA
These are the ranges we quote in writing before any work starts on Gate Installation projects:
| Service | Typical Range in Union City |
|---|---|
| Single swing gate, manual, steel/aluminum | $2,800-$4,200 |
| Single swing gate with operator | $3,800-$5,500 |
| Double swing gate with operator | $4,500-$6,500 |
| Sliding gate with operator | $3,800-$7,200 |
| Pedestrian gate, manual | $800-$1,800 |
| Security/access control add-on | $1,200-$3,500 |
| Post and footing replacement (per post) | $600-$1,400 |
What moves a quote within these ranges: material choice (aluminum resists salt air better than bare steel but costs more), footing depth and soil conditions, operator brand and features, and whether we’re reusing existing posts or replacing them. Every quote is flat and fixed before work begins. No invoice exceeds the written price without a change order signed by both parties.
We also offer a free second opinion on any written estimate from another company. Bring the paperwork and we’ll review it at no cost.
We Also Serve Cities Near Union City
Our crews work throughout the Bay Area, including Gate Installation in Union City and neighboring Fremont, Hayward, San Leandro, and Palo Alto. Soil conditions, wind exposure, and building ages vary by city, and we adjust our specifications accordingly. Call (650) 293-9440 to discuss your project.
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 - Gate Installation in Union City
Usually not. When a hinge post is rusted through at the base, the concrete footing is often compromised too, especially in Bay mud soils that hold moisture against the steel. We remove the post, inspect the footing, and typically pour new concrete with a galvanized steel post set deeper than the original. Replacing hinges alone on a rotted post wastes your money; the gate will sag again within months. Call (650) 293-9440 and we’ll assess whether repair or full replacement is the cheaper long-term answer.
Yes, in most cases. California requires UL 325 entrapment protection on all automated gates, and legacy operators with obsolete control boards often cannot accept modern photo-eyes or edge sensors. We’ve tried retrofitting safety devices onto 1990s-era operators and the boards simply lack the inputs. A new operator with integrated safety compliance typically costs less than the labor of attempting a retrofit that fails. We quote both options when possible, but we won’t install a non-compliant system.
Your post footing is likely moving with seasonal soil moisture changes. In Union City’s flatland subdivisions west of Decoto Road, Bay mud and hydraulic fill soils swell when saturated in winter and shrink in summer, heaving posts enough to throw a gate frame measurably out of square. The hardware isn’t failing; the ground is. We address this with deeper footings, wider concrete bases, or helical piers in severe cases. A gate that drifts every spring needs a footing solution, not another hinge adjustment.
Most Union City driveways can accommodate a sliding gate if there’s at least 18-24 inches of setback alongside the fence line for the gate to slide into. We measure your opening, grade, and available space during the free site visit. Sliding gates work well on narrow lots where a swing gate would block the driveway or sidewalk. The operator and track hardware cost more than a swing system, but the space savings often justify it.
The Dumbarton Bridge wind corridor funnels salt-laden marine air directly across Union City’s eastern shoreline, accelerating corrosion of bare steel and iron by a factor of two or three compared to inland locations. For new installations, we specify aluminum or hot-dip galvanized steel, stainless steel fasteners, and sealed-bearing hinges. We also set concrete footings with post bases elevated slightly above grade to reduce splash exposure. These specifications add modest upfront cost and significantly extend service life. A gate installed with bare steel in this environment will show rust within 3-5 years; a properly specified installation lasts 15-20.
Ready for a written quote? Call (650) 293-9440. We’ll schedule a free site visit, measure your opening, assess your soil and exposure conditions, and deliver a flat price in writing before any work starts. No voicemail. No callback queue. A live person answers 24 hours a day.
Written by Adrian Vance, Owner at Vance Gate Repair, serving Union City since 2014.