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Belgard Home Additions & ADU: The Los Angeles Owner’s Guide
We install and warrant Belgard-compatible paver, wall block, and permeable pavement systems on home additions and ADUs across Los Angeles, with typical project pricing running $53,100 to $153,400 depending on scope, site access, and the Belgard line specified. Most owners don’t discover a hardscape failure until it’s already showing: a retaining wall leaning after a heavy rain year, patio pavers that have settled unevenly under a new ADU’s roofline drainage, or a walkway that’s shifted because the original installer skipped the base prep. If you’re looking at a failing Belgard installation, the part that failed is rarely the paver itself – it’s almost always what’s underneath it.
We’re an independent Los Angeles contractor; we’re not affiliated with Belgard, but we work with their product lines daily and know exactly how they behave in Southern California’s shrink-swell clay soils and dry-summer climate. Isaac Pruett has been tearing out and rebuilding failed hardscape on room additions and ADUs across the Valley and the Westside long enough to spot the real problem in the first five minutes on site.
Key Takeaways
- Parts cost is the small part of the bill. Base material, compaction, drainage, and labor drive most of what you’ll pay on a Belgard home addition or ADU hardscape.
- Belgard doesn’t fail by itself. The failure is almost always underneath: bad base prep, skipped geotextile fabric, incorrect edge restraint, or drainage that dumps water where it shouldn’t.
- We provide a written price before any work starts. Not a verbal ballpark. A line-item number you can hold us to.
- Every project is covered for 365 days from completion. If it’s not right within a year, we make it right at no cost to you.
Which Belgard Models This Applies To
Belgard splits its hardscape products into several series lines, and they are not interchangeable. The Catalina Slate and Mega Arbel pavers are interlocking systems with tight joint tolerances; the Dublin Cobble line has a tumbled, irregular edge that changes layout math; the Lafitt Grana Slab is a modular slab system with completely different base requirements. If you’re adding onto a home in Los Angeles and the new walkway or patio has to tie into an existing Belgard installation, matching the exact product line matters more than the color. A Catalina paver won’t set flush against a Dublin Cobble edge without an awkward transition strip.
Identifying your Belgard product is straightforward if you know where to look. Lift a loose paver and check the underside; Belgard stamps a product code into the mold face on most lines. For retaining wall block, the code is typically on the back of the block. If you can’t find a code, measure the paver’s nominal dimensions and take a photo in daylight – Belgard’s public-facing product catalogs list all current and many discontinued series, and we can match most Los Angeles area installations by sight within a few minutes.
On the OEM-versus-aftermarket question: for a patch job or a small repair, OEM Belgard product is the only reliable choice. Aftermarket pavers that “look close” will show a color or texture mismatch within months of UV exposure. Where your money is better spent is on the aftermarket parts of the system – the geotextile fabric, the open-graded base material, the edge restraint. Belgard makes pavers; they don’t make the gravel. A quality open-graded base from a local Los Angeles quarry will outperform whatever the big-box store bags claim.
Styles & brands we work with
Signs Your Belgard Home Additions & ADU Is Failing
- Pavers have shifted or separated by more than an eighth inch. This means the edge restraint has failed or was never installed. Without a rigid border confinement, interlocking pavers migrate under traffic and thermal cycling. Once the interlock is broken, individual pavers start to rock.
- You’re seeing low spots where water pools after rain. Standing water on a Belgard installation is a tell that the base has settled unevenly. In Los Angeles’ expansive clay soils, a base that wasn’t compacted in lifts with the right moisture content will settle within one or two wet winters.
- A retaining wall is bulging or leaning even slightly. Belgard’s wall block systems rely on a buried course and proper drainage behind the wall. Leaning means hydrostatic pressure is building up because the drain rock or drain pipe wasn’t installed correctly. This will not self-correct.
- Weeds or ants are coming up through the paver joints. Joint sand that’s washed out or was never installed deep enough becomes a seedbed. It’s a small symptom with a bigger message: water is getting underneath the pavers and moving fines out of the base.
- Concrete or paver work around the new ADU foundation is cracking or separating from the house. A common failure in Los Angeles home additions is a walkway or patio poured against the foundation without an isolation joint. Differential movement cracks the hardscape and can funnel water toward the foundation wall.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
For a Belgard hardscape tied to a home addition or ADU in Los Angeles, you’re looking at $53,100 on the lower end for a modest walkway and patio replacement with proper base correction, up to $153,400 for a full ADU package that includes retaining walls, driveway replacement, and a complete paver system installed to Belgard’s specification. The paver material itself accounts for roughly 20 to 30 percent of the total; the rest is excavation, haul-off of the failed base, base material and compaction, drainage work, edge restraint, and installation labor.
What you get from us for that money, in writing: a line-item price before a single tool leaves the truck, a scope that spells out excavation depth, base material spec and lift thickness, drainage detail, and the exact Belgard product and quantity. Every job is covered by our 365-Day Done Right Promise – if the work is not right within a year of completion, we return and fix it at no charge. We don’t write change orders after the fact, and we don’t leave a homeowner guessing what the final number will be.
DIY or Call Us?
There are things you can safely inspect yourself, and things you should leave alone. You can lift a paver, check the underside for a molded code, photograph the base condition underneath, and measure the depth of the sand and aggregate you find. That information helps us price your repair accurately, and you don’t need any tools beyond a flat pry bar and a tape measure. Where DIY goes wrong is when homeowners start pulling up large sections of pavers and “re-bedding” them with bagged sand from a home center. Without a compacted, open-graded base and proper edge restraint, that repair fails again within eighteen months, and you’ve spent money twice. If there’s a retaining wall involved, do not attempt to dismantle or straighten it yourself; a failed wall under pressure can shift suddenly and cause serious injury.
If you’re looking at a failing Belgard installation on your Los Angeles property, call us at (803) 680-2547. We’ll schedule an on-site look, give you a written price, and tell you honestly whether the failure is worth fixing now or can wait.
FAQs
A properly installed Belgard paver system with a correctly compacted base and proper edge restraint should last 25 to 40 years in Southern California before the pavers themselves show meaningful degradation. Failures before that are almost always base or drainage failures, not product failure. Call (803) 680-2547 and we’ll inspect what’s underneath yours.
Isolated settlement in a small area can be repaired by pulling the affected section, correcting the base, and reinstalling the original pavers; widespread settlement, missing edge restraint, or drainage failures typically require full removal and replacement to fix properly. We’ll tell you which one applies to your job after a site visit, not before.
A typical walkway or patio replacement takes three to seven working days from excavation to final compaction and joint sand; a full ADU package with retaining walls and driveway can run four to six weeks depending on scope and Los Angeles inspection scheduling. You’ll have a written schedule with your written price.
We source Belgard product through our specification-grade supplier network – the same one we use for KraftMaid cabinetry, Cambria and Silestone surfaces, and other professional-grade materials – and handle ordering, delivery, and overage planning for you. You never have to coordinate a material order yourself.
When your Belgard hardscape fails under a Los Angeles home addition or ADU, you need someone who can look at the base, not just the surface. Call (803) 680-2547 for a free estimate and a written price before any work starts. Know who’s coming, know what it costs, know it’s backed up – everything else is just noise.
Written by Isaac Pruett, Owner, Mason Remodeling at Mason Remodeling, serving Los Angeles and nearby areas.
