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Get your free estimateViking Welding & Fabrication: The San Francisco Owner’s Guide
We weld, fabricate, and install replacement parts for Viking gate systems throughout San Francisco, and most jobs run between $280 and $640 depending on the part and the extent of the fabrication. When a Viking gate hinge tears, a weld cracks, or a mounting bracket shears off, we can usually handle it same day because we stock common Viking-compatible steel stock, hinges, and mounting hardware on the truck. Most owners discover the problem as a gate that suddenly drags on the concrete, a hinge that groans when the wind pushes against it in the Richmond or Sunset, or a bottom rail with rust that finally gave way after years of damp salt air.

Which Viking Models This Applies To
Viking gate hardware shows up on a wide range of residential and light commercial swing gates across San Francisco, from older tubular steel driveway gates in the Excelsior to ornamental picket gates in Presidio Heights. The key compatibility detail with Viking is the hinge barrel diameter and the gate leaf weight rating. Viking’s residential line typically uses barrel hinges between 3/4 inch and 1 inch, while their heavier commercial and long-driveway gates step up to 1-1/4 inch barrels and thicker mounting plates. Before we fabricate anything, we measure the hinge barrel, the post thickness, and the gate leaf weight so the new part carries the load without sagging in eighteen months. On the OEM question: Viking branded hinge and bracket assemblies are solid, but for welded repairs and custom bracket fabrication, we often recommend quality aftermarket steel matched to the gauge and finish of the original. In San Francisco’s fog and coastal moisture, powder-coated or galvanized steel holds up noticeably better than raw mild steel, and that’s a choice we make per job based on where the gate lives.
Styles & brands we work with





Signs Your Viking Welding & Fabrication Is Failing
- A gate that drags or scrapes along the driveway. This usually means the hinge barrel or mounting bracket has worn or bent, letting the gate leaf drop a half inch or more. The longer it drags, the more it chews through the bottom rail and the concrete.
- A hinge that clicks or pops when the gate moves. That’s the sound of worn hinge pins or a cracked weld shifting under load. We see this often on older Viking gates in Noe Valley, where years of gentle slope and daily cycles take a toll the owner never hears until it’s loud.
- Rust blooms or cracked paint at the hinge or weld points. San Francisco’s damp air and salt fog concentrate rust right at the welds. Once the paint bubbles and rust shows through, the underlying steel is already losing thickness and will eventually fail.
- A gate that rattles in the wind or shakes when closed. Loose or worn Viking hinges transfer vibration through the whole gate leaf. Left alone, the play widens the holes in the post and turns a hinge swap into a post sleeve or full post replacement.
- A visible crack in the gate frame or at a bracket. This is the one to treat seriously. A cracked weld near a hinge or latch point is a stress fracture, and when it lets go, the gate can drop or swing free. If you see a crack, call us before the next heavy wind day.
Replacement Cost & What’s Included
For most Viking hinge, bracket, and weld repairs in San Francisco, you should expect to pay between $280 and $640 installed. A standard hinge and bracket swap with new hardware usually lands in the $280 to $420 range. Custom fabrication, like re-welding a cracked gate frame section or building a reinforced mounting plate for an old post, runs $420 to $640 or more depending on steel gauge and how much grinding and repainting the area needs. Every quote includes the written price before we start, the steel and hardware, the labor, and cleanup. We also hang the gate, test the swing arc, and adjust the latch and any operator pickups so the system works as a unit. And because most Viking gate work in San Francisco happens on homes with kids and pets, we lay drop cloths, wear shoe covers, and send you a photo of the cleanup before we leave. The work itself is covered by the 365-Day Done Right Promise: if it isn’t right, we make it right.
See the difference
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AfterDIY or Call Us?
If you want to check the hinge bolts, the gate level, and whether the post has shifted, that’s safe and sensible. You’ll see the sag, the rust line, or the loose bolts without touching anything risky. But welding and fabrication are not a DIY job, and we’ll be plain about why: a gate leaf can weigh hundreds of pounds, and a weld that fails under load or a hinge that drops mid-repair can turn a manageable repair into a serious injury. The same goes for any Viking gate with an operator attached: the motor and arms are under tension and the electrical runs need to be handled by someone who works on these systems regularly. We’re an independent San Francisco gate repair company, not affiliated with Viking, but our techs work on Viking gates weekly and carry the common hardware on the truck. Call (628) 227-2771 and we’ll give you an honest read on whether it’s a quick truck fix or a heavier fabrication job.
FAQs
Expect 10 to 15 years from quality Viking hinges and factory welds in San Francisco, though coastal zones like the Outer Sunset and Sea Cliff can shorten that to 8 to 12 years because of salt air and fog. Gates that get daily use, carry a heavier leaf, or sit on a sloped driveway wear faster than flat, light-duty gates. When we replace a hinge or re-weld a joint, we choose steel and finish based on how close to the coast the home sits. If you’re noticing rust or sag on an older gate, call (628) 227-2771 and we’ll tell you what’s actually needed before quoting anything.
Most cracks in the steel frame or hinge area can be repaired by grinding out the old weld, re-welding the joint, and reinforcing it if the metal has thinned. Full replacement is only necessary when the surrounding steel is too thin to hold a solid weld, or when a hinge itself is so worn the barrel has ovaled out. We’ll be straightforward about which one your gate needs, and the price is written down before any work starts. For a no-pressure assessment, call (628) 227-2771.
A standard Viking hinge and bracket replacement takes about 2 to 3 hours from setup to final swing test, and we can usually schedule it same day or next day in San Francisco. A custom fabrication job, like re-welding a frame section or building a reinforced mount for a failing post, runs 3 to 5 hours and may need a short wait if we’re ordering specific steel. We’ll give you a clear time window when you book, along with the written price. Call (628) 227-2771 to check availability for your neighborhood.
Yes. Our trucks carry common Viking-compatible hinge barrels, mounting plates, steel stock for weld repairs, and the hardware needed for most San Francisco residential gates. If your gate needs a less common assembly, we’ll order it and keep you posted on the timing. We also stock parts for other brands families own, including LiftMaster, Mighty Mule, and Ghost Controls, so if your Viking gate has one of those operators attached, we can often address the whole system in one visit. Call (628) 227-2771 and describe what you’re seeing, and we’ll tell you exactly what’s on the truck.
Contact Latch and Post Gate Repair San Francisco
If your Viking gate needs welding, fabrication, or a hinge that’s finally given up, call us at (628) 227-2771. We’ll talk through what you’re seeing, give you an honest read, and schedule a visit with a written price before any work begins. Cody Beckman and the team serve San Francisco and nearby areas, and every job starts the same way: a live person answers, we show up when we say we will, and we treat your home like our own. Call (628) 227-2771 for a free estimate.
Written by Cody Beckman, Owner, Latch and Post Gate Repair San Francisco at Latch and Post Gate Repair San Francisco, serving San Francisco and nearby areas.