Bathroom Remodel Cost Seattle 2026

Half-Bath / Powder Room ($7,500 - $16,000)

Powder rooms are the most cost-effective bathroom to remodel because there's no shower or tub. You're looking at a vanity, toilet, faucet, mirror, light fixture, paint, and flooring — that's it. Because the room is small (typically 20-30 sqft), this is where you can make bold choices without blowing the budget: a $25/sqft handmade tile accent wall only costs $300-$500 in materials. A floating vanity with a vessel sink makes a 25-sqft room feel modern and spacious. We've done gorgeous powder room remodels in Seattle for $8,000-$12,000 that completely transform the impression guests get of the home.

Hall / Guest Bathroom ($15,000 - $30,000)

The hall bath is the workhorse — it gets used by family, kids, and guests every day. Most Seattle homes built before 1990 have a tub-shower combo here, and most homeowners keep that layout because the tub serves double duty for bathing kids. A mid-range remodel means all new tile in the tub surround and floor (porcelain — skip marble here, it can't take the abuse), a new vanity with stone top, new toilet, updated faucets and showerhead, proper exhaust fan, and fresh paint. Durability matters most in this room. We recommend porcelain tile rated PEI 4 or higher for floors, commercial-grade faucets from Delta or Moen, and a toilet with a powerful flush like the Toto Drake. Budget $18,000-$26,000 for a solid mid-range guest bath remodel in Seattle.

Master Bathroom ($25,000 - $55,000+)

This is where Seattle homeowners invest the most — and where we see the biggest transformations. The most requested project is converting an old tub-shower combo into a separate walk-in shower and freestanding tub. That conversion alone runs $12,000-$22,000 depending on tile selections and glass enclosure type. Add a 60" double vanity with quartz top ($2,500-$5,000), heated tile floors ($600-$1,600), a linen tower or built-in storage ($800-$2,000), and premium fixtures throughout, and you're looking at $35,000-$55,000 for a master bath that feels like a private retreat. We've built plenty of spa-style master baths in Capitol Hill, Ballard, and Bellevue in the $45,000-$65,000 range with body jets, towel warmers, rain showerheads, and ambient LED lighting.

Moisture Is the Enemy — And Seattle Has Plenty of It

We see the consequences of poor bathroom ventilation every week: black mold creeping up grout lines, paint peeling within a year of application, and wood rot in the framing that costs thousands to repair. In a climate where outdoor humidity regularly exceeds 80%, a bathroom without a proper exhaust fan is a ticking time bomb. We install a Panasonic WhisperGreen or equivalent on every single project — 110+ CFM with a humidity sensor that runs automatically. That's $350-$650 installed and it's non-negotiable. Per Washington State's energy code (WAC 51-11C), bathroom exhaust fans must vent to the exterior (not into the attic, which we still find in older homes). If yours currently vents into the attic, we'll reroute it as part of the remodel.

Waterproofing: Where We Absolutely Refuse to Cut Corners

Every shower we build gets a full Schluter Kerdi membrane or equivalent liquid-applied waterproofing system on all wet walls and the shower pan. This adds $800-$1,500 in materials and labor to the shower build, but it's what separates a 20-year shower from a 5-year shower. When we open up older Seattle bathrooms, we find failed waterproofing roughly 3 out of 10 times — water behind the tile, soft subfloor, sometimes mold in the framing. Budget a 10-15% contingency fund for any home built before 1985. If we find damage, we'll show you, explain the repair, and give you a clear price before proceeding.

Galvanized Plumbing: Fix It Now or Fix It Later (For More)

If your Seattle home was built before 1965, there's a good chance the supply lines are galvanized steel. Galvanized pipes corrode from the inside out, restricting water flow and eventually leaking. When we open walls for a bathroom remodel and find galvanized supply lines, we recommend replacing them with copper or PEX. That's $1,200-$3,000 for the bathroom's supply lines, but it prevents a $5,000-$15,000 water damage event down the road. Cast iron drain pipes in homes from the same era may also need attention — a cracked cast iron drain under the floor can run $1,500-$4,000 to replace. We'd rather catch these issues while the walls are already open than have you deal with them five years after your beautiful new bathroom is finished.

Heated Floors: The Upgrade Every Seattle Client Loves

Of all the upgrades we offer, heated bathroom floors have the highest satisfaction rate. It's not even close. An electric radiant heat mat from Nuheat or SunTouch costs $600-$1,600 installed (including a programmable thermostat), depending on bathroom size. It adds roughly $25-$40/year to your electricity bill. Set the thermostat to warm up 30 minutes before your alarm goes off, and stepping onto that tile floor on a 38-degree, pitch-dark Seattle morning in January goes from miserable to pleasant. Clients who skip it during planning almost always wish they hadn't. If there's one thing to add to your budget, this is it.

Per the 2025 Cost vs. Value Report for the Pacific region, here's what bathroom remodels return at resale:

Those percentages look lower than kitchen remodels, but here's what the data misses: bathrooms have a disproportionate effect on how fast your home sells. Multiple Seattle-area Realtors we work with confirm that homes with dated bathrooms sit on the market 2-4 weeks longer than comparable homes with updated baths. In Seattle's market, that longer listing time often leads to price reductions that exceed the cost of the remodel.

If your home has only one bathroom, adding a second one — even a compact half-bath carved out of a closet or utility area — can increase home value by 8-10%. At Seattle's median home price, that's $60,000-$85,000 in added value for a $12,000-$18,000 project. It's one of the highest-ROI improvements you can make.

But honestly? Most of our clients aren't remodeling their bathrooms to sell. They're doing it because they're tired of looking at pink tile from 1963, or because the shower leaks, or because stepping onto an ice-cold floor every morning for 15 years has finally gotten to them. The financial return is a bonus — the real return is using a space you actually enjoy, twice a day, every single day.