







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Fence Installation: The Santa Clarita Owner’s Guide
Unilock fence installation in Santa Clarita typically costs $3,500 to $9,000 depending on fence length, post type, and whether we’re working with Unilock wall block, post units, or a mixed materials system. We carry Unilock-compatible fence components on the truck and can usually complete a standard residential fence panel replacement in one to two days once materials are confirmed. Most Santa Clarita homeowners discover a problem after a wind event or when a gate starts dragging, and by then the post base has usually shifted or the panel has lost its seat in the channel.
Graham Stein has seen this pattern enough times in Santa Clarita yards, especially in Bridgeport and Valencia neighborhoods where soil shifts seasonally, that he keeps Unilock post units and channel caps stocked and labeled by series. We’re an independent service provider, not affiliated with Unilock, but we work with their product lines daily and know which parts interchange across series and which ones will fight you.
Which Unilock Models This Applies To

Unilock fence installation typically involves one of three systems: Estate Wall, Lineo, or the U-Cara modular series, each with different post dimensions and channel widths. The Estate Wall posts are heavier and use a wider channel that accepts 1 3/4-inch thick panels. Lineo posts are slimmer, with a narrower channel meant for lighter infill panels or glass. U-Cara runs on a rail system and has the least tolerance for a misaligned post. If you don’t know your series, check the back face of a post cap or the bottom of a wall block for a molded Unilock name and series stamp. The molded lettering survives weather well, unlike paper labels.
For Replacement parts, Unilock’s own components are the safest choice for color match and dimensional fit, but there are quality aftermarket post caps and channel inserts made from the same concrete mix and pigment families, often at 20 to 30 percent less. The gotcha here is pigment drift: Unilock runs differ slightly by manufacturing batch, and an older fence will have faded under years of Santa Clarita sun. A brand-new cap or block can look visibly darker. When we replace a single post on an older fence, we’ll often pull a block from a less visible section of the same fence and use the new piece there, so the repair blends instead of flashing like a patch.
Styles & brands we work with







Signs Your Unilock Fence Installation Is Failing
- Leaning post at the gate hinge. The gate’s weight, combined with Santa Clarita’s clay-heavy soil expanding and contracting through wet winters and dry summers, slowly works the post base out of plumb. The post itself is usually fine; the footing and base course are what gave way.
- Panel rattling inside the channel. Unilock fence panels sit inside a channel in the post. When the channel insert wears or a post shifts, the panel loses its seat and starts knocking in the wind. Left alone, the panel edge chips.
- Cracked post cap with water staining below. A hairline crack in a cap lets irrigation water and rain pool inside the post. In a Santa Clarita winter with overnight freezes, that trapped water expands and splits the post from the inside.
- Gate dragging or binding on one side. If the gate only drags in the afternoon, it’s usually thermal expansion of the metal frame. If it drags all day, the hinge post has moved and the gate needs re-hanging on a reset post.
- Efflorescence that won’t stop returning. White powdery mineral deposits are common on concrete products, but recurring heavy efflorescence on fence posts often means water is entering from above or below and moving through the block. The fix is a drainage correction and a sealed cap, not more scrubbing.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included

Installed Unilock fence work in Santa Clarita runs $3,500 to $9,000 for the typical project. A single post reset with new base material and re-seated panel usually lands at the lower end, $3,500 to $5,000, when we can reuse the existing block. A full fence section replacement with new Unilock posts, channel inserts, caps, and panel installation runs $6,000 to $9,000 depending on linear feet and access. The biggest price drivers are how many posts need new footings, whether the old block can be salvaged, and whether the fence sits on a slope requiring stepped courses.
Every quote includes a written line-item price before any work starts, the new Unilock-compatible components, removal and haul-off of failed parts, crushed rock and drainage correction at the post base, and site clean-up with shoe covers and drop cloths inside the house if the crew needs to pass through. The 365-Day Done Right Promise applies to every Unilock fence installation we complete. If it’s not done right after the job is complete, we make it right.
DIY or Call Us?
You can safely check a few things yourself: look for cracked caps, run a level along the post faces, and note whether the gate drags at the same spot every day. What gets tricky is the footing work. A leaning Unilock post doesn’t just need straightening; it needs the base excavated, drainage corrected, and the post re-set in compacted crushed rock before the block goes back. Skip the drainage step in Santa Clarita’s clay soil and the post will lean again within two seasons. The concrete blocks themselves are heavy, often 60 to 90 pounds each, and a dropped block shatters.
If the post has moved more than an inch, or you see a cracked post with water staining, call (661) 542-4056. We’ll send a crew that measures the post, checks the series stamp, and gives you a written price before anything gets disturbed.
FAQs

A properly installed Unilock fence post with a solid crushed rock base and sealed cap typically lasts 25 to 35 years in Santa Clarita’s climate, though the cap sealant may need refreshing every 8 to 10 years as UV breaks it down. Posts set without drainage correction or with cracked caps letting water in can fail within 5 to 7 years. Call (661) 542-4056 and we’ll check your posts and give you an honest read on what’s salvaged and what needs replacing.
If the crack is a hairline surface fissure and the post is still plumb and dry inside, it can often be stabilized with a penetrating concrete sealant and a new cap, at a fraction of replacement cost. If water has been getting in and the post is split or leaning, repair is a short-term patch and replacement is the honest fix. We’ll only recommend replacement when the structural integrity is gone.
A single post replacement with new base, channel insert, and re-seated panel typically takes one day on site, plus cure time for the new footing before the gate goes back on, usually two to three days. A full fence section replacement runs two to three working days. Graham walks every homeowner through the sequence before the crew unloads, so you know which days are noisy and which days are quiet.
We stock Unilock-compatible post caps, channel inserts, and base course materials on the truck for the most common series, and we order series-specific block and color-matched pieces from our supplier usually within three to five business days. If you send us a photo of the stamp on your post, we’ll confirm the series before the first visit so we arrive with the right parts. Call (661) 542-4056 for a free estimate.
Written by Graham Stein, Owner, Elmstead Remodeling Santa Clarita at Elmstead Remodeling Santa Clarita, serving Santa Clarita and nearby areas.


