Home Remodeling Contractors and Services in Sammamish
Kitchens, bathrooms, additions, decks and ADUs for homes on the Sammamish Plateau, planned around the city's lake setbacks and slope rules.
- Your permit goes in through MyBuildingPermit, prepared and filed by us.
- An itemized price in writing comes before any demolition.
- One project manager answers for the job from start to handover.
By appointment. Limited start dates.
- Over 200 projects
- 4.9 on Google
- 20+ years building
- WA license VOLCABI792C6
Three Sammamish rules that shape a remodel
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The Sammamish rule
Setbacks on three lakes
Measured from the ordinary high water mark, Sammamish sets a 50 foot shoreline setback on Lake Sammamish and a 45 foot setback on Beaver Lake and Pine Lake, under its Shoreline Master Program in SMC Title 25. Inside that strip the city says very limited development may be allowed.
What we doBefore we draw a waterfront deck or addition, we check your lot against those setbacks.
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The Sammamish rule
Plateau edges and the slopes below
Most of Sammamish sits on a plateau roughly 500 feet above Lake Sammamish, and the city's critical areas report notes that nearly the whole northern and western perimeter is exposed to landslide risk. Slopes that drain to sensitive lakes and streams also fall in the Erosion Hazards Near Sensitive Water Bodies overlay, with a mapped No-Disturbance Area. The city warns that not every critical area is mapped, so owners provide a site-specific assessment.
What we doWe check your parcel against the city's critical area and No-Disturbance maps before any design work.
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The Sammamish rule
Screening in four days, then the queue
Every Sammamish application is screened for completeness within four working days. Accepted plans are reviewed in the order they arrive, the city says review time depends on scope and current permit volume, and any correction request must be answered within 90 days.
What we doWe file through MyBuildingPermit and plan your start date around those published steps.
Sorting these out on paper keeps a Sammamish project from stalling once the crew is on site.
What homeowners say about working with us
Volcano did a master bath remodel for us. The project was completed efficiently and on time. All of their workman were courteous and hard working. When we had a couple of material delivery delays they kindly adjusted their schedules. Their pricing was fine and the terms of the contract were fulfilled. We highly recommend Volcano Building.
We were nervous about hiring a contractor because we were first-time homeowners, but Volcano Builders made it easy to understand. They made everything clear and helped us stick to our budget. I'm very happy with how everything turned out.
I recently hired Bar from Volcano Builders to remodel my bathroom. Overall, the experience was satisfactory. Bar was professional and communicated well throughout the project. The work was completed on time and within budget. The quality of the remodel met my expectations, though there were a few minor details that could have been improved. I would recommend Bar for anyone looking for a reliable contractor for bathroom renovations.
Had a great experience working with Volcano Builders on remodeling bathroom and flooring in my condo! Bar and his team were very professional from estimates to timely completion of the job! Highly recommend!
Bar's team completely transformed my outdated Seattle bathroom with their exceptional work. Their communication was excellent, keeping me informed every step of the way. The quality of their workmanship exceeded my expectations, turning my old bathroom into what I wanted. I highly recommend Bar and his team for any remodeling project; they're professional, efficient, and produce outstanding results.
Volcano Builders did a great job on our master bathroom. The tile work and finishing touches were great. Even though they weren't the cheapest quote we got, you can tell they care about quality.
Homeowners on camera
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Mark
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Yoshio Inoue
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Stephanie
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Linda, Part 1
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Clinton & Joan
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Mr. Will
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Teresa
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Linda, Part 2
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Michelle
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Sarah & Robert
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Clifford Harris
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Rebecca
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Mrs. Sergeant
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Paul & Burley
I'm Bar, founder of Volcano Builders. I have been building for 20+ years, and our main office is in Bellevue, a short drive from Sammamish. Most remodeling problems start before any work does: a vague price, a missed permit step, nobody answering the phone. So every project we take on gets a written, itemized price before work starts, a design and permit plan built around your city's rules, and one project manager you can actually reach.
Bar UngerFounder, Volcano Builders
Licensed, bonded and insured · CC VOLCABI792C6 · UBI 604-700-955
Remodeling services in Sammamish
Bathroom Remodeling
Bathroom remodels in Sammamish, WA: primary suites, hall baths and powder rooms, from new plumbing to tile and vanities.
Kitchen Remodeling
Kitchen remodels for Sammamish houses: new layouts, cabinets, counters and lighting built to one plan.
Basement Remodeling
Basements and lower floors turned into guest suites, media rooms or a place to work.
Deck Building
New decks and repairs; Sammamish lists both as permit work, and lakefront lots add shoreline setbacks.
ADU and DADU
Sammamish allows two ADUs with a detached house; a detached unit may reach 1,000 square feet.
Home Additions
Extra bedrooms and suites; adding fixtures can mean new water and sewer certificates from the local district.
Whole Home Renovation
A home renovation in Sammamish, WA, run as a single project from permit drawings to final inspection.
Siding
Siding repair, replacement and installation, with the barrier and flashing behind it done first.
Window Replacement
Replacement windows measured, ordered and installed, sized for egress, safety glass and energy rules.
Foundation Repair
Crack repair, drainage, basement waterproofing and seismic retrofits, engineered where the city requires it.
How your Sammamish remodel works
Three steps, one team, and a written price before anyone picks up a tool.
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Consultation
We visit your home, walk the space and talk through your goals and budget.
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Design and permits
We design the project, price it in writing and handle the City of Sammamish building permit.
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Build and hand over
One project manager runs the build through the final walkthrough.
Remodeling in Sammamish, WA: permits, lakes, slopes and ADUs
How a Sammamish permit moves
The City of Sammamish Community Development Department takes every permit application online through MyBuildingPermit, a regional portal used to apply, upload plans, pay fees, check status and book inspections. For property questions before an application, the city offers a Project Guidance request with parcel-specific code information.
A remodel submittal includes the as-is and proposed plans, a project narrative, a fixture count form and a Historic Resources Affidavit; historic properties are mapped in the HistoricResources2020 layer of the Sammamish Property Tool. When the work adds plumbing fixtures or exceeds half the assessed value of the property, the city also asks for water and sewer availability certificates from Sammamish Plateau Water or the Northeast Sammamish Water and Sewer District.
On site, SMC 16.05.030 allows construction from 7 a.m. to 8 p.m. Monday to Friday and 9 a.m. to 6 p.m. on Saturday, with no work on Sundays or six named holidays. Our crews keep noisy work inside those hours.
Lakes, slopes and critical areas
Critical areas in Sammamish are governed by SMC chapter 21.03, which the city updated on 4 November 2024. The geologic hazards it names are erosion, landslide and seismic, and erosion hazard soils are regulated on slopes of 15 percent or steeper.
Lake Sammamish, Beaver Lake and Pine Lake fall under the Shoreline Master Program, whose 2026 amendment took effect on 21 May 2026 and folds the updated critical areas rules into shoreline review. Frequently flooded areas lie along the eastern shore of Lake Sammamish, and smaller ponds under 20 acres are treated as wetlands instead.
Two ADUs on one Sammamish lot
A lot with a detached single-family house in Sammamish may hold up to two accessory dwelling units: two attached, two detached, or one of each, including a converted existing structure. This follows Washington's 2023 ADU law, HB 1337.
A detached ADU may be up to 1,000 square feet, and an attached one up to half the size of the house or 1,000 square feet, whichever is larger. ADUs are left out of the house's floor area ratio, and no extra parking is needed when the property already has four or more spaces. A freestanding ADU is capped at 24 feet with 5 foot side and rear setbacks, while one joined to a garage follows the stricter standards for other structures.
What Sammamish houses are made of
Most Sammamish homes are less than forty years old. The Census Bureau's 2024 American Community Survey puts the median year built at 1994, with a little over half of all homes built between 1980 and 1999 and only about one in eight older than 1980. Roughly four in five are detached single-family houses.
The city's own subdivision map shows the pattern: Sahalee Estates was platted from 1970 to 1980, while Trossachs plats were recorded from 1995 to 2016. For a house from those decades, a whole home remodel tends to center on the layout, finishes, windows and original baths, and we price each part of that in writing.
Permits: City of Sammamish Permit Center, Getting Started and FAQs, Permitting Process map and Residential Remodel Submittal Checklist, checked September 2026. Lakes and critical areas: City of Sammamish shoreline regulations page, SMC 21.03, the city's 2023 critical areas report and the Washington Department of Ecology SMP approval notice. ADUs: City of Sammamish ADU page and HB 1337. Housing: US Census Bureau, American Community Survey 2024 1-year estimates; City of Sammamish subdivision map.
Sammamish remodeling questions
Does a bathroom remodel in Sammamish, WA need a permit?
Often it does. The city lists changing the layout of a home and replacing a water heater or furnace among the jobs that may need one, and plumbing or electrical changes usually count. Applications go through MyBuildingPermit, and the city's Project Guidance request can confirm the answer for a specific parcel.
How long does the City of Sammamish take to review a remodel?
The city does not publish a fixed review time. It screens each application for completeness within four working days, reviews accepted plans in the order they arrive, and says timing depends on scope and permit volume. Correction requests have to be answered within 90 days.
What changes if my house is on Lake Sammamish, Pine Lake or Beaver Lake?
A shoreline setback applies: 50 feet from the ordinary high water mark on Lake Sammamish and 45 feet on Pine Lake and Beaver Lake, where very limited development may be allowed. Parts of the eastern shore of Lake Sammamish are also mapped as frequently flooded, so a lakeside addition or deck is checked against both before design.
How big can an ADU be in Sammamish?
A detached ADU can be up to 1,000 square feet and 24 feet tall. An attached ADU may be half the size of the house or 1,000 square feet, whichever is larger, and a lot with a detached house may have two ADUs in total.
What hours can a remodeling crew work in Sammamish?
From 7 a.m. to 8 p.m. on weekdays and 9 a.m. to 6 p.m. on Saturdays, under SMC 16.05.030. Construction is not allowed on Sundays or on New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day or Christmas Day.
What does a home renovation in Sammamish, WA cost?
It comes down to scope: moving walls, plumbing or gas costs more than updating a room in its current layout, and adding fixtures can bring water and sewer certificate requirements. You receive an itemized, written price before work starts, and typical ranges by project type are in our Remodeling Pricing Guide.
Sammamish neighborhoods we serve
- Klahanie
- Trossachs
- Sahalee Estates
- Beaver Lake
- Timberline
- Summer Ridge
- Inglewood Glen
- Sammamish Woods
- Highland Park
Nearby cities
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