







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Coronado
A full bathroom remodel in Coronado typically runs $9,000 – $28,000, with small baths starting around $5,000 and walk-in shower installations landing between $4,500 and $12,000. Most jobs on the island take two to five weeks once permits clear and materials land. We serve every part of Coronado, from the Village to the Cays, and our crews arrive with the name and photo of your technician sent to you before the doorbell rings.
Coronado isn’t like the rest of San Diego County. The homes are older, the design review is stricter, and the salt air punishes anything installed without coastal durability in mind. Our Bathroom Remodeling team knows what opening a 1929 wall actually reveals, because we’ve done it on this island more times than we can count. Call (619) 673-9302 to schedule a free estimate.
Why Mason Remodeling Co San Diego Is Coronado’s Preferred Bathroom Remodeling Company

Homeowners in Coronado don’t hand their keys to just anyone. We get that. Every Mason Remodeling crew member is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge at the door. You’ll know who is coming before they step onto your property. That’s the Threshold Standard, and it applies to every job we run on the island, no exceptions.
Isaac Pruett leads our operations with a simple rule: the price goes in writing before a single tool is unpacked. No verbal ballparks that grow on the final invoice. No allowances that become blank checks. If we find knob-and-tube wiring or rotted subfloor behind your tile, we write the change order, you approve the number in writing, and only then do we proceed. Coronado homeowners appreciate that kind of plain dealing, especially when a remodel is already a big-ticket commitment.
We also back every completed project with a written guarantee stating exactly what’s covered, what’s excluded, and for how long. The 365-Day Done Right Promise means if something isn’t right within a year of completion, we make it right at no cost to you. Dispatch and scheduling for our Coronado jobs are coordinated from our San Diego office; the crews themselves work locally on the island.
Styles & brands we work with







Small Bathroom Remodel in Coronado
A Small Bathroom Remodel in Coronado usually means working with 40 to 60 square feet, which is exactly what you get in the guest baths of the island’s Craftsman bungalows and the tight hall baths in Silver Strand and Coronado Cays townhomes. We replace the fixture layout, tile, vanity, lighting, and ventilation without moving load-bearing walls. In Coronado, expect this to run $5,000 – $12,000 depending on finish level and whether the permit triggers electrical upgrades. The job typically wraps in two to three weeks.
What Opens Up When We Demolish
The biggest cost driver in a small Coronado bath isn’t the size, it’s the age. Galvanized supply lines tucked behind 1930s lath and plaster are almost always corroded from decades of salt air. If we find knob-and-tube wiring, the existing permit voidance forces an electrical upgrade before any tile goes up. We write an allowance for these hidden conditions right into the contract so the number doesn’t ambush you mid-project.
Design Review on a Small Footprint
The ‘Coronado Style’ design review applies to interior remodels when structural changes or plumbing rough-ins are involved, even if the exterior doesn’t change. Choosing materials that match the home’s original character matters. We’ll spec fixtures and finishes that clear review the first time, so your small bath remodel doesn’t stall for weeks over a vanity that looks wrong for the house.
Shower Remodel in Coronado

A Shower Remodel in Coronado covers replacing the pan, waterproofing, tile, glass, and often the valve and shower head. On the island, budget $3,000 – $8,500 for a shower replacement and $4,500 – $12,000 for a full walk-in shower installation. The salt air is the quiet killer here: it corrodes brass valves and steel fasteners faster than anything you see inland, so we spec coastal-rated components as a standard on Coronado jobs, not as an upgrade.
Why the Pan Matters More on Sandy Soil
Coronado sits on sandy soil, and showers over that soil settle slightly over time. A shower pan installed without proper subfloor reinforcement will develop cracked grout and failed slope within the first year. We check joist spacing and deflection before the pan goes in. If the floor needs stiffening, that gets priced and approved in writing before we proceed.
Schluter Waterproofing on Every Shower
Schluter strip is the metal trim that seals the edge where tile meets flooring, and we use Schluter membrane systems on every shower we build in Coronado. This isn’t a premium option or an add-on. It’s how we stop the moisture that rotted out subfloors in those 1920s baths in the first place. Behind every failed original tile job we’ve opened on the island, there was a waterproofing failure. That doesn’t happen on our watch.
Trusted Brands We Service in Coronado
We work with specification-grade product lines so Coronado homeowners aren’t limited to big-box inventory when they need coastal-durable fixtures. Our projects regularly use Kohler, Moen, and Toto for fixtures, KraftMaid and Wellborn for cabinetry, and Cambria, Silestone, and Caesarstone for surfaces. For exterior bathroom windows, we can source Therma-Tru and ViewLux units that stand up to marine exposure without swelling or corroding at the frame. We coordinate all material deliveries to your Coronado address and stage them before demo day, so the job doesn’t stall waiting on a backordered vanity.
See the difference
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After
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After
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AfterCommon Bathroom Remodeling Problems We See in Coronado Homes
- Corroded galvanized pipe: Salt air chews through steel supply lines faster here than anywhere inland. We regularly replace galvanized with copper or PEX on Coronado remodels, and the change gets priced in writing before work starts.
- Knob-and-tube wiring behind tile: Opening a wall in a historic island home frequently reveals obsolete wiring that voids the existing permit. The fix is a full electrical upgrade, and we write the allowance for it in your contract from day one.
- Failed waterproofing under original tile: The subfloors in 1920s and 1930s Spanish Colonial Revival homes were built before modern membrane systems existed. Once the tile comes up, the rot underneath dictates the scope.
- Design review rejections on modern fixtures: A big-box vanity or a chrome fixture suite that clashes with the island’s architectural character can stall a rough-in for weeks. We spec with review in mind and get approval before ordering.
Pricing for Bathroom Remodeling in Coronado, CA
Here’s what you can expect to pay for Bathroom Remodeling in Coronado, based on the jobs we’ve priced and built on the island:
| Service | Coronado Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
What moves the number? Finish level, waterproofing scope, electrical upgrades the permit triggers, and whether structural reinforcement is needed over sandy soil. We put every line item in writing before work starts, and change orders get your written approval before we touch anything beyond the agreed scope. Call (619) 673-9302 for a free estimate on your Coronado bath.
We Also Serve Cities Near Coronado
Our crews work throughout the San Diego area, so if you’re just across the bridge or a few exits away, we can help there too. We regularly serve homeowners in San Diego, National City, Lemon Grove, and La Mesa. The same written pricing, Threshold Standard crew verification, and 365-Day Done Right Promise apply no matter which side of the bay you’re on.
Serving Coronado, CA - Our Local Coverage Area
We’re based in the Coronado area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Bathroom Remodeling in Coronado
Opening walls on a bathroom remodel in Coronado means the inspector will look at the wiring, plumbing, and structure behind the surface. In older homes, that commonly triggers an electrical upgrade if knob-and-tube or ungrounded wiring is present, plus plumbing replacement for corroded galvanized supply lines, and possibly structural reinforcement if the joists are undersized. We write allowances for these items into your contract from the start so you know the worst-case number before we demo a single tile. Call (619) 673-9302 for an exact quote on your home’s situation.
The Coronado Style review applies any time a remodel involves structural changes, plumbing rough-ins, or fixture layouts that depart from the original footprint. Even if the exterior is untouched, the city wants interior work on historically designated homes to respect the original architectural language. We prepare submittal documents, spec finishes and vanities that read consistent with the home’s era, and handle the review process as part of our scope. That keeps a rough-in from sitting idle for weeks over a rejected vanity spec.
For a 1920s or 1930s bath in Coronado, we typically recommend a 10% to 15% allowance above the written contract price to cover hidden conditions like rotted subfloor, corroded supply lines, or unpermitted prior work discovered behind the tile. Every change order gets priced and approved by you in writing before we proceed. The allowance isn’t a blank check, and you’ll never see a surprise number on the final invoice that wasn’t documented and signed off first.
A shower remodel in Coronado costs more because the homes are older, the design review adds time and documentation, and the coastal environment demands better materials. Corroded galvanized pipe, undersized joists over sandy soil, and subfloors rotted by failed waterproofing are common conditions that inland tract homes don’t present. The permit process is heavier, and coastal-rated valves, fasteners, and waterproofing membranes cost more upfront but prevent the salt-air failures that shorten a shower’s life on the island.
You can technically pull permits and hire trades separately, but most Coronado homeowners find a general contractor is the faster and safer route. A GC coordinates the plumbing, electrical, waterproofing, tile, glass, and inspection sequence so no trade sits idle for weeks. We also carry the Threshold Standard on every sub we bring to your home, every person is verified, uniformed, and introduced by name and photo before the work begins. Piecemeal hiring means you’re screening every sub yourself, and on an island where design review and coastal building science matter, the coordination burden is real. Call (619) 673-9302 and we’ll walk you through what your specific job needs.
Written by Isaac Pruett, Owner at Mason Remodeling Co San Diego, serving Coronado since 2004.










