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CWS Driveway & Pavers: The San Francisco Owner’s Guide
We stock and install CWS-compatible driveway and paver systems across San Francisco, with most paver driveway installations running $8,260 – $21,240 depending on square footage, substrate condition, and paver line. If your CWS driveway is showing sunken sections, cracked pavers, or edge separation, we can match the existing pattern and color, pull the failed area, and reset it on a compacted base so it drains and wears like the day it was laid. You’ll know it’s truly failing when pavers shift underfoot after rain, or when the low spots hold standing water through a dry week.
One thing worth saying up front: Bradford Remodeling Co San Francisco is an independent contractor. We’re not a CWS dealer and we don’t claim to be. We work on CWS systems constantly because so many Bay Area homes were built or updated with them, and we’ve learned where they hold up and where they come apart.
Which CWS Models This Applies To
CWS has not kept a single consistent naming convention across its paver lines, which trips up a lot of homeowners trying to order replacements sight unseen. The most common product families we see in San Francisco driveways are the CWS tumbled concrete pavers and the CWS permeable paver systems that many Outer Sunset and Richmond District homes installed to meet stormwater runoff rules. Identifying your exact CWS line usually requires a photograph of the paver face and a measurement of both the paver thickness and the joint width, not just the color name.
Here’s the compatibility gotcha we run into weekly: CWS changed its chamfer profile (the beveled edge around the top face) several times over the years. Two pavers can be identical in color and dimension but sit visibly different if one came from an older chamfer run. If your driveway was installed before about 2012, there’s a real chance the exact profile is no longer produced. We handle this one of two ways: source a matching OEM paver through remaining regional inventory, or recommend a quality aftermarket equivalent that matches within a tolerance the eye won’t catch from standing height. For a CWS system, we default to OEM when it exists. For discontinued profiles, aftermarket from a manufacturer like Belgard or Unilock is usually the better long-term call than a color-matched paver that’s slightly off in dimension.
Styles & brands we work with
Signs Your CWS Driveway & Pavers Is Failing
- Standing water in low spots after a light rain. This almost always means the compacted base under the pavers has begun to settle or wash out. In San Francisco, the same fog-driven moisture that works through old balloon-frame walls also works under pavers, especially where downspouts discharge too close to the driveway edge. Once the base goes, the pavers follow.
- Pavers rocking or shifting underfoot. A properly installed CWS paver should be locked in place by the sand joint and edge restraint. Rocking means the bedding sand has thinned or washed away, and every season of movement widens the loosened area. Left alone, the failure spreads outward in a widening ring.
- Edge separation along the driveway border. The edge restraint is the actual structural boundary of the system. When it lets go, the outer pavers start to drift, and you’ll see the clean line of the driveway slowly become a wandering curve. On steep San Francisco grades, edge let-go speeds up the whole failure because gravity is always pulling downhill.
- Surface cracks through individual pavers, not just between them. A cracked paver in a CWS driveway usually points to a void underneath the paver, not a defect in the paver itself. Vehicles crossing a voided spot create point load pressure that snaps the concrete. Replacing the paver without fixing the base void is a hundred-dollar repair that lasts three months.
- Grass or weeds rooting up through the joints in a permeable CWS system. The permeable joint aggregate is engineered to pass water, not resist root pressure. Root intrusion signals the joint fill has degraded or thinned, and once organic material starts collecting, the permeability that earned that CWS paver its runoff credit stops working. The system still looks like a driveway; it stops functioning like the one you paid for.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
| Scope of Work | San Francisco Installed Price Range |
|---|---|
| Full paver driveway installation (CWS or equivalent) | $8,260 – $21,240 |
| Concrete driveway installation | $5,310 – $14,160 |
| Asphalt driveway paving | $4,130 – $10,620 |
| Driveway replacement (comparable full removal and rebuild) | $5,900 – $16,520 |
| Driveway sealing | $295 – $825 |
The spread on CWS driveway work in San Francisco is driven by four things: total square footage, the condition of the aggregate base we’re working over, how much of the old paver we can salvage and reuse, and site access. A driveway with dump-truck and skid steer access is a different job than a hillside driveway in Glen Park where every bundle of pavers comes up on a tracked loader. Our quote includes the compaction, the bedding sand, the pavers, the joint fill, and the edge restraint, written as one number before we start. Every completed installation carries the 365-Day Done Right Promise: if the work fails within the year, we come back and correct it at no charge.
DIY or Call Us?
Replacing a single cracked CWS paver in the middle of the field is something a careful homeowner with a flat pry bar, a rubber mallet, and the right replacement paver can pull off in an afternoon. The honest caveat is that you’re addressing the visible symptom, not the underlying cause. If that paver cracked because a void opened under it, the replacement will crack too.
The real danger zone is anything that involves re-compacting the base or correcting drainage pitch. A CWS driveway’s lifespan is decided under the surface, not on top of it. A homeowner can rent a plate compactor and go to work, but a base that isn’t compacted in proper lifts will settle unevenly within the first wet season, and the driveway will look worse than it did before. On steep San Francisco lots, an improperly pitched driveway directs water toward the foundation, and that’s a much larger bill than the paving work would have been. If you’re not sure whether your paver problem is surface or structural, call us at (831) 610-5598. We’ll tell you straight what you’re dealing with and whether it is a repair or a rebuild.
FAQs
A properly installed CWS paver driveway on a compacted base typically lasts 20 to 30 years in San Francisco, with the pavers themselves outlasting the joint fill and base two or three times over. Our coastal fog and wet winters work against the system from below, so expect the first surface-level maintenance at around the 10-year mark: re-sanding joints, resetting a sunken area, or re-compacting an edge. Call (831) 610-5598 if you want us to look at yours.
Most CWS driveway failures are localized, so we can almost always repair the affected area rather than replace the full run. The exceptions are widespread base failure or a drive where the edge restraint has let go around the entire perimeter. We’ll tell you which one you have before any work is priced. Estimates are free at (831) 610-5598.
A typical CWS repair, pulling and resetting a sunken section or replacing a failed edge, takes one to two days on-site including base re-compaction and joint fill. A full driveway rebuild usually runs three to five working days depending on San Francisco site access and weather. You’ll get the timeline in writing along with the price, same as every Bradford job.
We source the pavers for you. We work directly with Bay Area paver suppliers to locate OEM CWS inventory where it still exists, and if your line is discontinued, we’ll bring you physical samples of aftermarket matches so you can see the color and profile against your existing driveway before you approve anything. You never have to chase down the order yourself.
Written by Curtis Lane, Owner, Bradford Remodeling Co – San Francisco, CA at Bradford Remodeling Co San Francisco, serving San Francisco and nearby areas.
