Bathroom Remodeling in Sammamish
From a powder room refresh to a full primary suite, we design, permit and build bathrooms across the Sammamish Plateau.
- Every added or moved fixture goes on the city's fixture count, filed by us.
- Houses on septic get their Public Health review before the city permit.
- Your price arrives itemized and in writing before any tile comes off.
By appointment. Limited start dates.
- Over 200 projects
- 4.9 on Google
- 20+ years building
- WA license VOLCABI792C6
Sammamish paperwork that comes with a new bathroom
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The Sammamish rule
The fixture count lists every bath fixture
Sammamish folds bathroom plumbing and fans into the building permit instead of issuing a separate plumbing permit. Its Residential Fixture Count Form is required on every remodel permit and asks for each new or relocated toilet, bathroom sink, bathtub, shower, bidet and ducted exhaust fan. Wiring is different: on a house alteration the city wants its own electrical permit whenever electrical work happens.
What we doWe count the fixtures from your final plan, file the building and electrical permits together on MyBuildingPermit, and schedule each inspection there.
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The Sammamish rule
A second sink can involve the water district
When a remodel adds plumbing fixtures, the city may ask for water and sewer availability certificates from Sammamish Plateau Water or the Northeast Sammamish Water and Sewer District. Homes served by Sammamish Plateau Water also file a Water Meter Sizing Form whenever the fixture total goes up, for example a double vanity where one sink stood.
What we doWe tell you at the design stage whether your layout adds fixtures and request the district paperwork before the permit is submitted.
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The Sammamish rule
Septic homes get a Public Health review first
Some Sammamish lots are not on public sewer. For those, Public Health Seattle and King County must approve a building application before most permits are issued, with an inspector visiting to check the age, type and location of the septic system against the remodel. An interior remodel needs floor plans as they are and as proposed, plus a recent maintenance inspection.
What we doWe confirm how your house is served at the first visit and assemble the plans the county asks for, so the septic step does not stall the city permit.
A water heater goes on that same fixture form even when the new tank sits exactly where the old one did, so a bathroom plan that includes one lists it too.
Bathrooms we remodel in Sammamish
Primary suites, hall baths and powder rooms, remodeled one room at a time or several in a single project.
Primary suites
Walk in showers with linear drains and benches, freestanding tubs under the window, and double vanities, drawn as a new plan when the layout moves.
Hall baths and powder rooms
Tub and shower combinations for kids and guests, or a quick half bath update with a furniture style vanity, wainscot panels and new lighting.
Pipes, fans and circuits
New supply and drain lines, a ducted fan vented outside, heated floors and added outlets, each listed on the permit and inspected before we close the walls.
The full list of what we build is on the bathroom remodeling page. If the plan also covers a kitchen, a deck or an ADU, start with home remodeling in Sammamish.
Bathroom work from Sammamish and next door
Our Sammamish powder room first, then larger bathrooms in Issaquah and Redmond. Every card names its real city and opens the project.
What clients say after a bathroom with us
Just completed my inital meeting with Volcano Builders about my bathroom remodels and couldn't be happier with the interaction. On time, professional and extremely knowledge. Highly recommend you invite them out to see your next home improvement project!
I just got my bathroom redone by Volcano, and Wow im in love With the final look! Bar was very communicative. Its feel like he was there with me every step of my way, making sure i was kept in the loop. His team was super friendly and professional. They made tge tge process smooth. My new bathroom is everything i hoped for and more. Thank you Volcano!
Volcano builders did a phenomenal job on my bathroom remodel. They exceeded my expectations on many levels. Their designer helped me pick out all the tile and bathroom accessories to make sure everything matched in style. Communication was great and response time very fast whenever I had questions for them. They estimated the project would take 5-6 weeks but finished in 4 weeks! Excellent job! Loooooove my new bathroom! Including pics of the Before… and the After!
I had an amazing experience with Volcano Builders! Bar was incredibly kind, communicative, and made the whole process smooth. We completely redid the bathroom,new flooring, vanity, tub, and wall tiles, and it turned out fantastic. I'm so happy with their work that I'm already planning my second bathroom and hopefully the kitchen too. Highly recommend them to anyone looking for quality work and great service!
Bar and the team at Volcano Builders did a great job! Professional service, great communication throughout the whole process, and everything was done with care and attention to detail. Highly recommend!
Overall, we had a great time with Volcano Builders. There were a few small delays, but they were clear in their communication and kept things moving. The last kitchen remodel turned out great, and the quality seems like it will last for a long time.
How a Sammamish bathroom gets built
Three steps, one team, and a written price before anyone picks up a tool.
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First visit
We look at the room, the fan and where the drains run, check whether the house is on sewer or septic, and talk through how you use the space.
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Plan and paperwork
Our designer helps you choose tile, fixtures and glass. You sign off on a written, itemized price, and we prepare the fixture count, any district forms and the permits.
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Construction and walkthrough
Demolition, rough plumbing and wiring, city inspections, waterproofing, tile and trim, then a final walk of the finished bathroom with your project manager.
Questions about a bathroom remodel in Sammamish
Does a bathroom remodel in Sammamish need a permit?
Plumbing, fan or wiring changes do. Sammamish covers plumbing and fans under a building permit with its fixture count form, and electrical work needs a separate city electrical permit. The city's Project Guidance service can confirm the answer for your parcel. See also Do You Need Permits to Remodel a Bathroom?
How long will my Sammamish bathroom take?
It depends mostly on the scope your permit covers. Sammamish counts every new or relocated fixture on the remodel permit, wiring needs its own electrical permit, and added fixtures can need water and sewer availability certificates from your district. Nearby, a large primary suite in Redmond took about 13 weeks. Design, ordering and the permit come first, and a septic review adds a step for homes not on sewer. Read How Long Does a Bathroom Remodel Take?
My house is on septic. Can I still add a bathroom?
Often, but Public Health Seattle and King County decides. Its inspector reviews the system's age, condition and location against your plan, and some projects need a licensed septic professional's evaluation first. We gather the floor plans and the maintenance inspection report the county asks for.
Does my HOA or condo board need to approve the work?
Check your governing documents. Under RCW 64.90.255, a condo owner may alter the unit as long as the structure and the mechanical and electrical systems are not impaired, but may not change the look of common elements without board approval. Homeowner associations may also set rules under RCW 64.38.020. We prepare the drawings a board asks to see.
How is a Sammamish bathroom priced?
By the room's size, whether fixtures move or are added, and the finishes you choose. You get an itemized written price after the first visit, before anything is scheduled. For the main cost drivers, read How Much Does a Bathroom Remodel Cost?
Plan your Sammamish bathroom with us
Four quick steps. Tell us about your project and we’ll reach out to discuss it and see if we’re the right fit.