Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Fence Installation Across Simi Valley
Fence installation in Simi Valley runs $3,500 to $9,000 for most residential projects, and the biggest cost factors here aren’t the materials: they’re the WUI fire-code setbacks, the compacted fill soil on hillside lots, and the Santa Ana wind loads that punish a poorly set post. If you’re in 93063, 93065, or up toward Wood Ranch and the Knolls, you need a crew that knows what the inspector will flag before the first post hole gets dug. Barrett & Sons has been building fences that pass inspection on the first visit for over 29 years. Call (877) 610-1318 for a free estimate.
Key Takeaways:
- Simi Valley fence installs must account for Chapter 7A WUI codes when the fence sits within 5 feet of a house, a rule that catches a lot of homeowners off guard.
- The valley’s 1960s-1980s tract homes sit on compacted fill in many hillside areas; posts set without a grading check lean within a few years.
- Every price change at Barrett & Sons arrives as a written change order before the work happens. No surprises at the end.
- Tom Barrett publishes his name, address, and license number. Look it up before you sign anything.
Why Barrett & Sons Construction Is Simi Valley’s Preferred Fence Installation Company
We’re the owner-operated alternative to the outfits that quote one number on the phone and hand you a different one at the door. Tom Barrett founded this company in 1998, and his sons run the crews that work in Simi Valley. When you call, a live person answers, day or night. When we show up, you’ll see the same faces on every visit. When something isn’t right, one call brings Tom back. That’s the 90-Day Done Right Promise, and it’s written on every contract, not buried in fine print.
Simi Valley homeowners have specific reasons to be careful about who builds their fence. We already covered a few: the fire codes, the soil movement, the wind. But there’s another one. Lots of fences in the older east-end tracts by 93063 were built decades ago by mass developers like Larwin, and the original post footings were never engineered for what the valley’s expansive clay does to them. A fence that looks straight on the outside can be racking its gate hinges underneath. We check the grading first. We don’t guess.
Our reputation in Simi Valley is built on showing up when we say we will and putting every scope change in writing before it touches the job. Permits get pulled on every eligible fence job, and we like it that way. The permit inspector works for you, not for us. That’s exactly why we want them on site.
Our Fence Installation Services in Simi Valley
We build and repair every common residential fence type in Simi Valley, and the local conditions shape how we approach each one. Here’s what that looks like for the four most requested services. Our Fence Installation team handles each of these with the same written-scope discipline, but local code and soil dictate different methods.
Vinyl Fence
Vinyl is popular in the newer tracts around Wood Ranch and the western side of the valley, and for good reason - it’s low maintenance and it looks clean. But Simi Valley’s summer heat is not kind to cheap vinyl. Our crews have seen hollow vinyl posts crack at the base after a few 100°F+ stretches on west-facing elevations. We spec vinyl with aluminum stiffeners inside the posts and use screw-through rail brackets, not snap-fit clips. A properly built vinyl fence in Simi Valley should hold its line for 20 years or more. A poorly built one will sag its rails in three seasons.

Aluminum Fence
Aluminum fence is the right call for a lot of hillside properties, especially where the WUI setback rules apply. Powder-coated aluminum is non-combustible, which makes it a straightforward way to satisfy the ember-resistance requirements within 5 feet of the home. We install a lot of aluminum around pools and property lines in the Knolls, where the combination of fire code and slope makes wood and vinyl less practical. The material costs more up front, but it doesn’t warp, doesn’t rot, and doesn’t need a paint crew every few years.

Wood Fence
Cedar privacy fence is still the most common request we get in Simi Valley, and the biggest failure mode isn’t the wood; it’s the footing. On a Wood Ranch lot backing to the canyon grade, our crew removed a 1970s chain-link fence and found the original posts set in pockets of uncompacted fill that had settled over decades, leaving every post leaning away from the slope. We dug new post holes to depth on native soil, poured concrete with a WUI-rated metal post anchor assembly, and set a 6-foot cedar privacy fence with a steel top rail. All passed inspection sign-off on the first visit. That’s the difference between setting a post and engineering one.

Fence Gates
Gates fail first, always. A Simi Valley gate takes the brunt of the Santa Ana wind, and if the post block wasn’t sized for the gate’s swing, the latch will drift out of alignment within a year or two. We build gates with pressure-treated or steel post cores, through-bolted hinges, and adjustable latch plates. If your gate is racking or the bolt won’t catch, call us before it gets worse. A gate that won’t latch is a liability, especially on a hillside lot where wind gusts can swing it hard enough to pull the hinges out of the frame.

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.
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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 Simi Valley
We carry materials from manufacturers you can look up, not mystery brands off a van. For aluminum and vinyl fence projects in Simi Valley, we regularly install product lines from Simonton and Ply Gem. These are brands with published specs, real warranties, and local distribution, which means we’re not waiting on a freight truck when you need a replacement panel or a gate hinge. If you have a specific brand you prefer, we’ll quote it in writing. We don’t substitute without a written change order and your signature.
Common Fence Installation Problems We See in Simi Valley Homes
- Posts set on compacted fill without a grading check. Much of Simi Valley’s hillside housing was built on graded pads from the 1960s and 1970s. Fill soil settles unevenly, and fence posts set in it lean within two to three years. We check the grading and dig to native soil before pouring footings.
- WUI red tags at final inspection. Wood fences within 5 feet of a structure in Simi Valley’s High or Very High Fire Hazard Severity Zones need ember-resistant venting or non-combustible post anchors. Homeowners get caught on this constantly because the rule doesn’t apply in most of Thousand Oaks or Moorpark. We design for Chapter 7A from the start.
- Vinyl rails warping on west-facing elevations. Simi Valley’s summer heat regularly exceeds 100°F, and direct afternoon sun will bow cheap vinyl rails within a few seasons. We use aluminum-reinforced posts and screw-through brackets to keep things straight.
- Gate hardware racking from Santa Ana winds. The valley funnels wind at some of the highest recorded speeds in the LA metro. A gate post set in a 12-inch footing won’t hold a 6-foot gate in a 60 mph gust. We size footings and hinge hardware for wind load, not just gate weight.
Pricing for Fence Installation in Simi Valley, CA
Most fence installations in Simi Valley run between $3,500 and $9,000 for a typical residential lot, with aluminum on the higher end due to material cost. The table below breaks down what we’re seeing in this market in 2025. Before you ask: yes, hillside lots cost more. The extra cost comes from deeper footings, longer post lengths, and the additional labor of setting posts on a slope without trenching the grade into a mess. We’ll show you the line items.
| Fence Type | Typical Simi Valley Price Range |
|---|---|
| Vinyl Fence Installation | $3,500 - $9,000 |
| Aluminum Fence Installation | $4,000 - $10,000 |
| Wood Fence Installation (cedar privacy) | $3,500 - $9,000 |
| Fence Gates (replacement or new build) | Quoted per project; included in full fence scope at no separate line where part of the run |
Every quote is fixed and in writing. If the scope changes, you get a written change order with the new price before any work happens. The allowance that isn’t on paper is a surprise waiting for a date, and we don’t do surprises. Call (877) 610-1318 for a free estimate, and we’ll walk the property with you, check the grade, check the WUI setback, and put a number on it.
We Also Serve Cities Near Simi Valley
Barrett & Sons serves homeowners throughout eastern Ventura County and the surrounding communities. If you’re in Oak Park or Moorpark, we’re a short drive away and serve both regularly. We also handle fence installation across the Los Angeles County line in Thousand Oaks and West Hills. Wherever you are, the same written-scope rules apply: permits pulled, changes in writing, and a live person answering the phone.
Serving Simi Valley, CA - Our Local Coverage Area
We’re based in the Simi Valley 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 Simi Valley
Yes, Simi Valley requires a permit for any fence over 6 feet in height, and the city enforces it. A fence built without a permit on a hillside lot can become a red-tag problem at resale. We pull permits on every eligible fence job and coordinate the inspection so you don’t have to chase the city. Call (877) 610-1318 and we’ll tell you what your specific lot requires.
Yes, it applies to most of the Knolls and the hillside-adjacent tracts. California Building Code Chapter 7A requires non-combustible or ember-resistant materials for fences within 5 feet of a structure in High or Very High Fire Hazard Severity Zones, which is how much of Simi Valley’s ridge-adjacent housing is classified. A wood fence with a non-combustible post anchor assembly and ember-resistant venting can pass; an off-the-shelf cedar privacy fence with standard steel posts can get red-tagged. We design it right the first time.
In Simi Valley, it’s usually the soil. The valley floor and the hillside pads are built on expansive clay and compacted fill, and 1970s-era post footings were rarely dug to native soil. Old age is a factor, but the leaning pattern you’re describing, especially on a sloped lot, points to fill settlement. The fix is usually re-setting the posts to depth with proper concrete footings, not just tightening the gate hinges. We’ll tell you the truth after we look at it.
Yes, if it’s built for the climate. Cheap vinyl fence systems with snap-fit rails and hollow posts will warp in the summer heat and rattle apart in the wind. We use aluminum-reinforced posts, screw-through brackets, and high-quality vinyl formulations like Ply Gem that are rated for high-temperature UV exposure. A well-built vinyl fence in Simi Valley will outlast the cheap ones by decades.
We start with a grading check and a WUI setback verification before we quote anything. Then we price the line items: post depth, concrete volume, material, gate hardware, and any wind-load reinforcement. Every scope change after that is a written change order with a signed authorization before the work happens. You’ll never see a surprise invoice at the end because the allowance that isn’t on paper doesn’t exist in our contracts. A fixed price means fixed. Call (877) 610-1318 for your free estimate.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Simi Valley from our Los Angeles-area office.







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