Fast, Reliable Gate Parts & Welding Across Concord
Gate parts and welding repair in Concord typically runs $180–$650 depending on whether you’re fixing a hinge, replacing a heaved post, or welding cracked wrought iron, and most jobs are completed in a single visit when parts are stocked. Our Gate Parts & Welding team carries galvanized hardware, stainless steel components, and a mobile welding rig so we don’t leave Concord homeowners waiting on return trips.

We’ve been crossing the Caldecott Tunnel to Concord for years, and we know the local failure patterns by heart: salt air off the Carquinez Strait attacking hardware faster than inland, clay soils in the 94519 and 94520 ZIP codes heaving posts every wet winter, and July afternoons past 100°F warping wood gates that were fine in May. Steven Lee, our owner and lead technician, handles the diagnosis and the repair himself. Call (628) 261-6223 for a free estimate.
Why Liberty Gate Repair San Francisco Is Concord’s Preferred Gate Parts & Welding Company
Concord homeowners aren’t looking for a handyman who “also does gates.” They’re looking for someone who recognizes why their 1970s ranch gate is dragging again in March — and fixes the root cause, not just the symptom.
That’s what 31 years of gate-exclusive work looks like. Steven Lee built this company around gates from day one, and he’s still the lead technician on Concord calls. 613 customers rated us 4.9 stars — not a lucky streak, but a pattern documented across hundreds of real jobs. When we say “Steven diagnoses it, Steven fixes it,” we mean you’re getting the owner’s judgment, not a rotating subcontractor.
Our response time to Concord is typically same-day or next-day because we’re already working the I-680 corridor. We stock parts for LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule systems, and we weld on-site. One visit. No farming out to a separate welding contractor.
We recently replaced a corroded hinge set and a warped wood gate on a 1970s ranch home near the Todos Santos Plaza area. The original LiftMaster opener chain had snapped due to salt-air embrittlement, so we installed a stainless steel chain and nylon rollers to resist future corrosion. That’s the kind of local knowledge that comes from working the same Concord neighborhoods year after year.
Our Gate Parts & Welding Services in Concord
Hinge Replacement
Gate hinges in Concord corrode 2–3 years faster than they do inland. Salt air off the Carquinez Strait accelerates rust on standard steel hardware, especially on homes west of Willow Pass Road where the marine influence is strongest. We replace failed hinges with galvanized or stainless steel units rated for coastal exposure, and we carry heavy-duty ball-bearing hinges for the oversized wrought-iron gates common in the older Concord Hills tracts. A typical hinge replacement in Concord runs $180–$320.
Post Replacement
This is where Concord’s clay soils make us specialists. The 1960s–70s tract homes across 94519 and 94520 were built with gate posts set in shallow footings — 18 inches if you’re lucky — and every wet winter, that expansive clay heaves those posts out of plumb. Come February and March, we field a surge of calls from homeowners whose gates suddenly drag, won’t latch, or have visibly leaned overnight. We pull the old post, auger a 36-inch minimum footing with proper drainage gravel, and set a new steel or pressure-treated post that can handle the shrink-swell cycle. Post replacement in Concord typically costs $350–$650 depending on gate size and whether we’re resetting an automated opener.
Rail Repair
Horizontal rails on wood and wrought-iron gates take a beating in Concord. Summer heat past 100°F dries and cracks cedar and redwood rails; winter moisture swells them, stressing the fasteners. On iron gates, salt air attacks the welded rail-to-picket joints first. We repair split wood rails with sistered lumber or full replacement, and we re-weld iron rail connections with proper penetration — not surface tacks that’ll crack again in six months. Rail repair in Concord generally runs $220–$450.
Custom Welding
Our mobile welding rig lets us repair cracked wrought-iron gates, fabricate custom brackets for oddball Concord installations, and reinforce failing joints on-site. Many of the decorative iron gates in the Dana Estates and Holbrook Heights areas were installed in the 1970s and 1980s; the original welds are fatiguing, and the scrollwork can’t be replaced with off-the-shelf parts. We match the existing metal, grind clean, and weld with proper preheat and rod selection so the repair outlasts the original. Custom welding in Concord starts around $280–$550 for structural repairs, with complex fabrication higher.
What happens when you call
- 1
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.
Trusted Brands We Service in Concord
We don’t guess at your gate’s electronics. We’re factory-familiar with nine major brands: LiftMaster, FAAC, BFT, Linear, Viking, Ghost Controls, DoorKing, Elite, and Mighty Mule. That matters in Concord because many of the automated driveway gates in the 94521 ZIP code run older BFT or FAAC operators that throw codes most handymen don’t recognize. We stock common failure parts — capacitors, control boards, limit switches, gear kits — so a burned-out operator in the Monument Corridor doesn’t turn into a two-week parts hunt. When summer heat kills a low-duty-cycle BFT unit, we can spec a high-torque replacement same day.
Common Gate Parts & Welding Problems We See in Concord Homes
- Corroded hinges and fasteners from salt air. Homes near the Carquinez Strait or along the BART corridor west of downtown see accelerated rust. Standard steel hardware fails prematurely; we upgrade to stainless or hot-dip galvanized on every replacement.
- Gate posts heaved by winter clay-soil expansion. The east-side tracts in 94519 and 94520 are worst hit. Shallow footings + expansive clay = posts that lean, twist, or pop their concrete collars entirely. We see the pattern every February and March.
- Warped wood gates from summer heat over 100°F. Cedar and redwood gates in full sun — common on south-facing ranch homes — twist in their frames and bind against latches or ground stops. Adjustment helps; sometimes we recommend aluminum or steel replacement for permanent relief.
- Operator burnout from low-duty-cycle units in extreme heat. Older BFT and Mighty Mule openers in Concord’s inland valley overheat and fail mid-summer. We replace with high-duty-cycle operators rated for the thermal load, or add ventilation shrouds where appropriate.
Pricing for Gate Parts & Welding in Concord, CA
Here’s what Concord homeowners actually pay for the work we do most:
| Service | Typical Range in Concord |
|---|---|
| Hinge replacement (single gate) | $180 – $320 |
| Hinge replacement (double gate, both sides) | $280 – $480 |
| Post replacement with concrete footing | $350 – $650 |
| Rail repair (wood or iron) | $220 – $450 |
| Custom welding (structural repair) | $280 – $550 |
| Gate roller replacement | $160 – $290 |
| Latch and lock replacement | $140 – $260 |
What moves you within these ranges? Gate size and weight, whether the post is automated (more complex alignment), access for our equipment, and whether we’re matching existing ornamental iron. Salt-air damage often surprises homeowners — a hinge that looks merely rusty can be structurally compromised underneath, requiring more than a quick spray-and-pray.
We don’t charge for the estimate. Call (628) 261-6223 and we’ll give you an exact quote after seeing the gate.
We Also Serve Cities Near Concord
Our mobile shop covers the full Diablo Valley corridor. We regularly work in Pleasant Hill (where the soil shifts similarly but with less severe heat), Contra Costa Centre and Waldon (denser housing, more automated access systems), and Walnut Creek (larger estate gates, different permitting for historic districts). The clay-soil heave pattern extends across much of this area, though Concord’s combination of shallow 1960s footings and extreme summer heat makes it the most demanding of the bunch.
Serving Concord, CA — Our Local Coverage Area
We’re based in the Concord 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 Parts & Welding in Concord
Salt air from the Carquinez Strait accelerates corrosion on standard steel hardware by 2–3 years compared to inland locations. We replace failed hinges with galvanized or stainless steel units rated for marine-influenced environments — it’s the only way to break the replace-rust-replace cycle. Call (628) 261-6223 and we’ll spec the right hardware for your exposure.
Concord’s expansive clay soils absorb winter rainfall and physically push posts out of plumb, especially in the 94519 and 94520 tracts where original footings were shallow. We see the surge every February and March. Our fix is a deeper, properly drained concrete footing that resists the shrink-swell cycle — not just shimming the post and hoping. Call (628) 261-6223 for a free post assessment.
Yes, we can often plane, shim, or re-hang a warped wood gate to restore function, but summer heat over 100°F in Concord will warp it again. For gates in full sun on south-facing properties, we typically recommend upgrading to aluminum or steel framing with wood-look cladding — same aesthetic, no more warp. Call (628) 261-6223 and we’ll show you both options.
High-duty-cycle operators from LiftMaster, Viking, or FAAC handle Concord’s thermal stress better than entry-level units. We avoid low-duty-cycle BFT and Mighty Mule models for large or sun-exposed gates — they overheat. The right spec depends on gate weight, cycle count, and shade exposure; call (628) 261-6223 and Steven will size it properly.
Often, yes. The wrought-iron gates installed in Concord’s 1970s–80s neighborhoods — Dana Estates, Holbrook Heights — are reaching fatigue life at the welded joints. Surface cracks propagate fast once started. Our mobile welding rig lets us grind, preheat, and re-weld structural joints on-site, matching the original metal so the repair blends visually and outlasts spot-fixes. Call (628) 261-6223 for a weld inspection.
Ready to fix your gate right? Whether it’s a heaved post in the 94520 tract, corroded hinges off Willow Pass Road, or a warped wood gate that’s binding every afternoon, we’ll diagnose it honestly and repair it with parts and welding done on-site. No return visits. No farming out. Call (628) 261-6223 for your free estimate — we answer directly, and Steven Lee handles the work himself.
Reviewed by Steven Lee, Owner and Lead Technician at Liberty Gate Repair San Francisco, serving Concord and the Diablo Valley since 1993.