Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Fence Installation Across Alamo
Fence installation in Alamo, CA typically runs $3,500 to $9,000 for a standard vinyl privacy fence on a flat or gently sloping lot, with aluminum fencing landing between $4,000 and $10,000. The real variable here isn’t the fence itself, it’s what sits under it: Alamo’s Diablo clay expands and contracts with every wet winter and dry summer, and hillside lots in the High Fire Hazard Severity Zone bring a separate code layer most contractors never mention until the permit comes back flagged. That’s the conversation we start with on every fence estimate in Alamo. Call us at (877) 610-1318 and we’ll walk the property line with you, no charge for the visit inside the county.
Why Barrett & Sons Construction Is Alamo’s Preferred Fence Installation Company
Tom Barrett founded this company in 1998, and he still answers his own phone. That matters in Alamo because fence work here isn’t a drop-a-panel-and-leave job. It’s permit routing through Contra Costa County in Martinez, fire-zone material checks, and soil conditions that will move a post out of plumb within two seasons if the footer wasn’t engineered for clay. Tom’s sons run the crews. You’ll see the same faces from estimate to final walkthrough, and the name on the truck is the name on the contract.
Alamo homeowners tend to ask the same questions: “Does the County really require a permit for a fence replacement?” Yes, in most cases. “Will the fire zone change what I’m allowed to build?” Often, and we’ll tell you before you spend a dollar on materials. “Will you be the one standing here when the inspector arrives?” That’s how we’ve worked since day one. Every price change comes as a written change order before work proceeds. Every fence job we finish in Alamo carries the 90-Day Done Right Promise: if something isn’t right, Tom comes back and makes it right, one call to (877) 610-1318.
Our Fence Installation Services in Alamo
Wood Fence
Wood fences dominate Alamo’s large-lot ranch and Mediterranean properties, and for good reason: they hold the architectural line of the home. We build cedar and redwood privacy fences with an eye to what the Diablo foothill summers will do to them. Kiln-dried stock, stainless fasteners, and post footers set below the expansive soil line. On a hillside estate off Stone Valley Road, our crew replaced a failing wood privacy fence where the Diablo clay had heaved posts out of plumb. We pulled the County permit in Martinez, verified the property’s High Fire Hazard Severity Zone status, and set new galvanized steel posts in concrete piers below the expansive soil line before installing fire-smart cedar pickets and ember-resistant gate hardware. The inspection sign-off from Contra Costa County cleared the job in one visit.

Fence Repair
Most fence repair calls in Alamo start the same way: a gate that won’t latch, a leaning section, or posts that have climbed an inch out of the ground after a wet winter. We don’t patch over the symptom. If the post footing wasn’t deep enough for Alamo’s clay, we pull it, re-set it in a proper pier, and re-hang the section. If the gate hardware is worn, we replace it with hardware rated for the fire zone where applicable. A repair is only worth doing if it doesn’t come back in a year; that’s the standard Tom holds his sons to.

Aluminum Fence
Aluminum fencing suits a lot of Alamo properties, particularly pool enclosures and property lines where a full privacy wall isn’t wanted. The material holds up to the dry heat without warping the way budget steel can. We quote aluminum fence installation in Alamo at $4,000 to $10,000 depending on linear footage, gate count, and whether the lot sits in the fire hazard zone where clearance and material specs apply. Because aluminum doesn’t combust, it’s often the cleanest path through the Chapter 7A review on foothill lots.

Vinyl Fence
Vinyl fence installation in Alamo runs $3,500 to $9,000. The material handles the sun well, never needs paint, and won’t rot in the clay-rich ground contact. What it does need is a builder who understands Alamo’s soil movement. We set vinyl posts in concrete piers that go below the active clay layer, so a season of shrinking and swelling doesn’t crack the post or throw the gate out of square. For families who want a clean look with near-zero upkeep, it’s a solid choice on the valley floor. On steep hillside lots, we’ll usually recommend aluminum or wood with fire-smart detailing instead.

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 Alamo
We don’t install mystery materials off a van. On fence and gate work in Alamo, we turn to brands like GAF for accessory waterproofing where fencing meets the structure, and we spec hardware and post systems that carry a manufacturer’s name you can look up. The same principle applies company-wide: Sterling plumbing fixtures in your bath, GAF shingles on your roof. When a brand stands behind its product in writing, we can stand behind our install. For Alamo customers, that means we’re not waiting on parts from out of state: we source locally and schedule replacements fast.
Common Fence Installation Problems We See in Alamo Homes
- Posts heaved out of plumb by Diablo clay. The shrink-swell cycle here is relentless. Wet winters expand the soil and push posts upward; bone-dry summers contract it and leave voids. If the post isn’t set in a concrete pier below the active layer, the fence leans within two seasons.
- Fire-zone requirements discovered after the permit is pulled. A contractor who assumes Danville rules applies them to an Alamo hillside. Then the County’s Chapter 7A review comes back requiring ignition-resistant materials and specific clearances. We check the fire hazard zone before we quote.
- Wrong permits, wrong office. Alamo has no city hall. Fence permits route through Contra Costa County in Martinez. A contractor who doesn’t know that wastes weeks before the first post hole is dug. We file correctly from day one.
- Gates that bind on a hillside plane. Fence lines that cross a slope require stepped or raked panels and gate hardware that accounts for the grade. Standard flat-lot hardware binds quickly. We design for the actual terrain, not the paper terrain.
Pricing for Fence Installation in Alamo, CA
Expect to pay $3,500 to $9,000 for vinyl fence installation in Alamo and $4,000 to $10,000 for aluminum fence installation, depending on linear footage, gate count, slope, and whether the property sits in the High Fire Hazard Severity Zone. Wood privacy fencing falls in a similar band. The factors that move the number are real, not invented: soil boring for pier depth, fire-smart material upgrades, and County permit fees. Here’s how the line items typically break down:
| Scope | Price Range |
|---|---|
| Vinyl Fence Installation | $3,500 - $9,000 |
| Aluminum Fence Installation | $4,000 - $10,000 |
All of it goes into a written line-item quote before we start, and any change arrives as a written change order before the work happens. Call (877) 610-1318 to schedule a free estimate. We’ll walk the property line, check the fire zone, and give you real numbers in writing.
We Also Serve Cities Near Alamo
While this page is for Alamo homeowners, our crews regularly work in the surrounding communities: Saranap, Moraga, Walnut Creek, and Danville. If you’re just over the town line, the same Fence Installation standards apply, and the same people show up. You can also read more about our local work on our Alamo page.
Serving Alamo, CA - Our Local Coverage Area
We’re based in the Alamo 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 - Fence Installation in Alamo
In most cases you need a permit, and it comes from Contra Costa County in Martinez, not from a local Alamo office. The County reviews fence permits for height, setback, and fire-zone compliance. We handle the submittal and the inspection scheduling on your behalf. Call (877) 610-1318 and we’ll verify your specific property’s requirement before any work is scheduled.
We set posts in concrete piers that extend below the active shrink-swell layer of Diablo clay, which typically means going deeper than a standard fence contractor would. Galvanized steel posts for wood and vinyl systems absorb the lateral soil pressure without cracking like concrete-filled wood posts can. This approach prevents the heaving and binding Alamo homeowners commonly see after two wet winters.
Chapter 7A requires ignition-resistant materials and specific clearances for fences within the zone’s defensible space. That can mean fire-smart lumber treatments, ember-resistant gate hardware, and restricted placement near the structure. We check your property’s zone status before quoting, so the price you see accounts for the real code path, not a surprise downstream.
Yes. Alamo’s housing stock runs from 1960s valley-floor ranches to hillside Mediterraneans, and we match panel proportions, post caps, and finish tones to the existing architecture. We’ll show you samples against the house before any material is ordered. The goal is a fence that reads as original to the property, not a kit dropped from another city’s catalog.
We quote the known scope in writing and include written allowances for conditions we can’t see until we dig, like deeper pier requirements or fire-zone material upgrades. If an allowance is triggered, you receive a written change order with the exact cost before the work proceeds. Nothing is added at the end without your signed approval. Call (877) 610-1318 for a free estimate and we’ll walk you through the numbers on your property.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Alamo since 1998.







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