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Unilock Bathroom Remodeling: The San Francisco Owner’s Guide
A Unilock bathroom remodel in San Francisco typically costs between $10,620 and $33,040 for a complete renovation, depending on square footage, fixture selection, and whether we’re moving plumbing or working within the existing footprint. Elmstead Remodeling San Francisco is an independent contractor, not affiliated with Unilock, but we work with Unilock-branded pavers, wall blocks, and retaining systems when a bathroom remodel extends into a shower surround, accent wall, or an adjacent outdoor space. Most San Francisco homeowners discover their Unilock issue the same way: a shower wall that’s begun to bow, a floor that no longer drains toward the tile, or grout that’s started crumbling around a Unilock accent border. By the time the visible symptom appears, the substrate beneath usually needs attention too.

Graham Stein has seen enough San Francisco bathrooms to know that moisture is the quiet enemy here, not the tile itself. We write out every cost before a single tool touches the floor, and we stock the Unilock-compatible materials we’ll need so the job doesn’t stall halfway through.
Which Unilock Models This Applies To

Unilock’s bathroom-adjacent product lines fall into two camps: their concrete paver and wall systems (often used for bathroom floors with a European wet-room aesthetic, shower bases, or accent walls) and their more compact modular blocks that occasionally appear as vanity surrounds or tub surrounds. The brand’s Brussels Block, Courtstone, and Umbriano lines are the most common in San Francisco bathrooms we’ve opened up, but we also see Town Hall and Beacon Hill wall block used as wainscot or feature walls.
Here’s the compatibility gotcha most owners miss: Unilock manufactures standard, modular, and slim-line profiles, and the profile determines thickness. A Brussels Block paver is roughly 2 3/8 inches thick; an Umbriano paver is closer to 2 inches. If a previous contractor set a shower floor with one profile and you source a replacement in the other, the drain height and pitch math no longer work without shimming or grinding. We check the paver’s edge profile and measure thickness directly before ordering anything. OEM Unilock product is worth the cost when the visible face matters, because color batches vary. For subsurface work like setting beds and drainage layers, quality aftermarket equivalents from local Bay Area masonry suppliers perform just as well and save money.
Styles & brands we work with







Signs Your Unilock Bathroom Remodeling Is Failing
- Grout crumbling along the accent border. This usually means the substrate behind the Unilock tile or block has absorbed moisture and is expanding and contracting. The grout is the first thing to let go; the structural issue is behind it.
- A shower floor paver that rocks slightly underfoot. Unilock pavers in a shower floor should sit dead flat. Rocking means the setting bed has eroded or a drain-line settlement has occurred, common in older San Francisco homes built on clay-heavy soil.
- Efflorescence, a white chalky powder, on the paver face. San Francisco’s damp winters push mineral salts through concrete pavers. Persistent efflorescence after cleaning usually points to water trapped behind the wall or under the floor.
- A wall block that’s shifted outward at the top. This is a shear failure in the mortar or adhesive bond, often because the original install didn’t account for the weight of Unilock wall block with a proper ledger or mechanical support.
- Mold or mildew along the bottom course of a Unilock accent wall. The wall is wicking water from the floor junction. Fixing the tile face alone won’t stop it; the waterproofing detail where wall meets floor has to be redone.
See the difference
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After
Before
After
Before
AfterReplacement Cost & What’s Included
For Unilock-specific bathroom remodeling in San Francisco, you’re looking at $10,620 to $33,040 installed. On the lower end, that covers a shower floor reset with new setting materials, re-pointing and sealing an accent wall, and addressing the immediate waterproofing issue. The upper end is a full gut-and-rebuild of a bathroom that includes Unilock pavers, a new shower base, plumbing adjustments, and fixture replacement.
What drives the range: whether we’re moving the drain or toilet location (San Francisco plumbing codes and older cast-iron stacks add real cost), the size of the Unilock area, and whether we’re matching existing pavers or starting fresh. Every estimate we give is a written price before any work starts, always included and never optional. The 365-Day Done Right Promise covers every completed project, so if something shifts or cracks after we leave, we make it right.

DIY or Call Us?
A homeowner can safely do a few checks before calling us: run a hand across the Unilock surface to feel for lippage (one paver sitting higher than its neighbor), look for cracks that follow a straight line rather than a web pattern (straight-line cracks point to structural movement), and note whether the shower drains fully within five minutes or pools in the corners. What we don’t recommend is pulling up pavers yourself. Shower floors sit on a waterproofing membrane that is expensive to redo if cut or torn, and the layer under Unilock pavers is a bonded mortar bed that a hammer and chisel will punish. You won’t fix the slope by chipping at the tile; you’ll add a membrane replacement to your bill.
If you’ve got a Unilock bathroom detail that’s failing, call (831) 480-4497. Graham or one of our crew can look at photos and tell you whether it’s a repair we can schedule for a half-day or a full remodel we should plan around your family’s week. Estimates are free.
FAQs

A properly installed Unilock bathroom surface lasts 20 to 30 years in San Francisco, but the setting bed and waterproofing layer beneath it typically need attention around the 15-year mark in damp neighborhoods like the Sunset District or Richmond District. Call (831) 480-4497 and we’ll assess what you actually need, not what a generic warranty card says.
Yes, if the pavers themselves aren’t cracked and the waterproofing membrane is intact. We can lift individual pavers, reset the mortar bed beneath, and re-seal the floor, often for under $5,000. If the membrane has failed, a partial repair will last only a year or two, so we’d recommend a full shower pan rebuild. Call (831) 480-4497 for an honest read, no pressure either direction.
A shower floor reset takes one to two days including setting-material cure time; a full bathroom remodel with Unilock surfaces usually runs two to three weeks. We write the schedule into your estimate and set quiet hours so naps and school nights stay as normal as possible.
We stock Unilock Brussels Block, Courtstone, and Umbriano pavers in the most common San Francisco colorways, plus the Schluter waterproofing and setting materials we pair with them. For less common Unilock profiles, we order direct from local Bay Area distributors, which adds three to five business days.
Tell me what the room needs to do, and we’ll figure out the rest from there. Call (831) 480-4497 to schedule your free estimate, and we’ll send Graham or one of our crew to measure, match, and hand you a written price before any tool touches the floor.
Written by Graham Stein, Owner, Elmstead Remodeling San Francisco at Elmstead Remodeling San Francisco, serving San Francisco and nearby areas.


