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Belgard Home Additions & ADU: The Thousand Oaks Owner’s Guide
If you’re planning an addition or ADU with Belgard hardscape, pavers, or wall block in Thousand Oaks, the installed cost typically runs $45,000 to $130,000 for a home addition and $90,000 to $220,000 for a full ADU build, depending on square footage, foundation work, and finish level. We’re Mason Remodeling Co Thousand Oaks, and we’ve been matching Belgard products to Southern California additions and ADU pads since 2004. Most Thousand Oaks homeowners reach out after a patio settles, a retaining wall face pops, or a Belgard paver edge starts to lift along a driveway or walkway connected to an existing addition.
Which Belgard Models This Applies To
Belgard makes more than a dozen paver and wall lines, and the compatibility question matters more in Thousand Oaks than people expect. The three families we see most on ADU and addition projects are the Cambridge Cobble, Catalina Slate, and Dublin Cobble pavers, paired with BelAir or Weston wall blocks. Here’s the gotcha: Belgard catalogs their pavers by both shape family and color region, so a “Sierra” blend bought at a Ventura County supplier in 2018 may not match the “Sierra” blend sold today. Check the pallet label or the paperwork from the original install. If the label is long gone, bring us a clean sample paver and we can match it within a day, because we keep the current Belgard color deck in the truck. Aftermarket pavers exist, but for a visible ADU patio or addition walkway, we recommend OEM Belgard every time. Color-batch and surface texture differences on third-party pavers are too unpredictable, and in direct sun, the faded color difference shows up inside a year.
Styles & brands we work with
Signs Your Belgard Home Additions & ADU Hardscape Is Failing
- Paver edges lifting or wobbling along a walkway: The edge restraint has let go, usually because the sand bedding has washed out after heavy winter rain near the Conejo Grade. The pavers aren’t broken; the base has failed.
- Depressions or birdbath puddles across an ADU patio: The compaction under the Belgard deck wasn’t done in lifts, or organic soil was left under the base. We pull the section, recompact with Class II road base, and reset the pavers.
- Retaining wall blocks separating or leaning: Belgard Weston and BelAir wall blocks rely on a properly installed geogrid and drainage. Once a wall leans more than an inch in six feet, the structural correction is bigger than a simple reset.
- Sand filling in the joints when it rains: The polymeric joint sand has degraded. In California UV, budget joint sand breaks down faster than the manufacturer’s stated lifespan, leaving the joints open to weed and ant activity.
- Cracks running through concrete work next to Belgard pavers: Where a poured addition slab meets a Belgard paver field, expansion and contraction move at different rates. The fix usually needs a proper expansion joint or a soldier-course edge detail.
See the difference
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AfterReplacement Cost & What’s Included
In Thousand Oaks, a Belgard hardscape repair tied to a home addition or ADU runs $3,500 to $11,000 for a paver patio replacement, $7,000 to $18,000 for a full Belgard driveway installation, and $45,000 to $130,000 for a complete home addition that includes Belgard site work. What changes the price: access to the backyard, whether existing concrete has to be demoed and hauled, the wall block’s height and whether geogrid is needed, and the finish grade of the ADU interior. Every estimate we write lists the paver count, the base material depth in inches, the joint sand product, and the labor hours. You get that in writing before any work starts. If the pavement fails within 365 days of the completion date, we return and make it right at no cost under our Done Right Promise.
DIY or Call Us?
You can reset a single wobbling paver yourself if the base is intact, and you can clean and re-sand small joints. What goes wrong on DIY Belgard work in Thousand Oaks is the base. Homeowners reuse old sand and skip compaction, then the repair sinks in a season. The bigger safety concern is wall block. A leaning Belgard retaining wall can release thousands of pounds of soil when blocks are pulled, and that is not a weekend project. If your addition or ADU pad is showing settlement, or a wall has moved, call (805) 309-3386 and we’ll tell you whether it’s a reset or a rebuild. Our estimate is free, and we’ll send the crew member’s name and photo before they arrive.
FAQs
OEM Belgard pavers properly installed over a compacted base typically last 25 to 40 years in Thousand Oaks, with color fading first on south-facing surfaces. The failure point is almost always the base or edge restraint, not the paver itself.
Yes, in most cases we can lift and reset individual sections, recompact the base, and reinstall the same pavers if they are not cracked. Call (805) 309-3386 and we’ll tell you honestly whether a section repair or full replacement makes sense.
A typical paver section repair takes two to three days including base work and joint sand cure. A full Belgard patio or driveway runs five to ten working days depending on access and demo volume.
We keep the current Belgard color deck and a range of Cambridge Cobble and Catalina Slate pavers in our Thousand Oaks stock, plus bulk polymeric sand and edge restraint. Special-order blends can be sourced from Belgard’s Ventura County distributor within a few days. We also work with KraftMaid, Cambria, and Silestone for the interior finish side of ADU projects.
Tell me what you need done. We’ll tell you what it costs and how long it takes, then we’ll do exactly that. Call (805) 309-3386 for a free, written estimate on your Belgard home addition or ADU hardscape work in Thousand Oaks.
Written by Isaac Pruett, Owner, Mason Remodeling Co – Thousand Oaks, CA at Mason Remodeling Co Thousand Oaks, serving Thousand Oaks and nearby areas.
