Home Remodeling Contractors in Grapeview, WA
Kitchens, bathrooms, additions and ADUs for Grapeview homes along Case Inlet and out on Stretch Island, planned around Mason County permits, septic reviews and saltwater setbacks.
- We draw the plans and put together the Mason County submittal package.
- You receive an itemized price in writing before any work starts.
- A single project manager runs the job from first sketch to final inspection.
By appointment. Limited start dates.
- Over 200 projects
- 4.9 on Google
- 20+ years building
- WA license VOLCABI792C6
What a Grapeview remodel has to work around
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The Grapeview rule
Saltwater setbacks on Case Inlet
Mason County measures the setback from the ordinary high water mark. Where the shoreline designation is Residential or Rural, the saltwater buffer is 100 feet and a new or expanded structure stays 115 feet back; on Conservancy or Natural shoreline those figures are 150 and 165 feet. On a lot created before December 5, 1996, with a house on either side within 150 feet, the setback can instead follow a line joining the neighbours' shore side rooflines, but never closer than 35 feet to the water, and a shorter setback needs a mitigation plan.
What we doBefore any layout is drawn, we find your parcel's shoreline designation and setback line on the Mason County GIS map.
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The Grapeview rule
Marine bluffs and unstable slopes
The county treats slopes of 40 percent or more with ten feet of relief, banks undercut by wave action, and slopes over 15 percent with springs or seepage as geologically hazardous. New construction in or within 300 feet of one needs a special report, and on a marine bluff the undisturbed buffer is the largest of a two to one line drawn up from the high water mark, 50 feet, or the distance a geotechnical professional recommends. A house on a lot that existed by December 6, 1996 can ask for a smaller buffer, with notice going to the neighbours.
What we doWe check your address against the county's slope and landslide hazard layers before design begins.
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The Grapeview rule
Shellfish beds and a clean shore
On residential shoreline, the county requires every project to meet or exceed its stormwater design standards (MCC 14.48 and 17.80) so there is no risk of shellfish beds losing their certification. The builder must control erosion while work is under way, keep vegetation removal to a minimum and restore any disturbed ground, and construction waste may not be left on the shore or next to it.
What we doWe prepare drawings that show the drainage and erosion control measures the county's stormwater code calls for on your lot.
All three are checked for your parcel before your price and start date are set.
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.
Gad an amazing experience with Volcano Builders on my kitchen project. Bar my project manager was friendly. He make sure to keep me updated during the whole project. Also is team is very nice.
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!
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.
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!
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!
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 Grapeview. 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 Grapeview
Bathroom Remodeling
Mason County's plumbing application counts each fixture, so every new shower, tub, toilet and sink in a Grapeview bathroom is listed on it.
Kitchen Remodeling
Grapeview kitchens with new cabinets, counters and lighting; a moved sink or added fixture goes on the county plumbing application we fill out.
Basement Remodeling
Lower levels finished as guest rooms or dens; the county sizes septic systems by bedroom count, so a new bedroom is checked against yours first.
Deck Building
On a saltwater lot, Mason County lets an uncovered deck of up to 200 square feet reach 15 feet waterward of the structure setback.
ADU and DADU
One ADU per property, plus a parking space: up to 80 percent of the house or 1,000 square feet inside shoreline jurisdiction, and 80 percent or 1,200 square feet elsewhere.
Home Additions
Expanding a shoreline house in Grapeview calls for strict compliance with current septic setback and design standards, so the drainfield shapes the plan.
Whole Home Renovation
Whole house remodels for Grapeview homes, where the median house dates from 1981 and the 1970s were the busiest building decade.
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 Grapeview 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 Mason County building permit.
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Build and hand over
One project manager runs the build through the final walkthrough.
Remodeling in unincorporated Grapeview: permits, shoreline, slopes and ADUs
Who handles permits in Grapeview
Mason County does. Grapeview has no city government; the county's 2025 comprehensive plan lists it as one of nine hamlets, a designated rural community of 45 acres, and building and land use permits come from the county's Community Development department in Shelton.
Many permit types can be filed on the county's SmartGov online portal, but the portal guide says a full building permit cannot; it needs a submittal appointment. Inspections are requested through the portal, and the county inspects addresses with an E or NE prefix, which includes the Grapeview addresses in its own plans, on Mondays, Wednesdays and Fridays.
The county's permit packet suggests a Planning Site Pre-Inspection when a parcel may hold steep slopes, wetlands, streams, shoreline or mapped floodplain, and notes that many owners are surprised to learn they are in a floodplain. Where a project touches the septic system, the design has to be approved before the building permit is submitted.
Case Inlet and the shoreline program
Mason County's Shoreline Master Program governs land within 200 feet of its marine shorelines, and the county lists South Puget Sound, including Case Inlet and Pickering Passage, as 132.4 miles of regulated saltwater shore. Its amendments adopted in October 2021 took effect on 20 December 2021, after state Department of Ecology approval.
An ADU inside shoreline jurisdiction needs a Substantial Development Permit, and the owner must live on the lot. There the program (MCC 17.50.255) holds the unit to 80 percent of the house or 1,000 square feet, whichever is smaller; beyond the 200 foot band the general code (MCC 17.03.029) allows 80 percent or 1,200 square feet. The county's own ADU forms quote only the larger figure, so we confirm which applies to your lot before filing.
Slopes and geotechnical reports
Mason County reviews every development application to see whether it is in or near a geologically hazardous area, using its own maps, what inspectors see on the site and any report the owner supplies. When a hazard is present, a geotechnical report or geological assessment prepared by a professional sets the conditions under which the work may go ahead.
Away from the marine bluffs, the undisturbed buffer runs at least 50 feet from both the crest and the toe of the hazard, or farther if the report says so. The hazard area and its buffer still count when the county works out how many homes a site may hold.
Accessory dwelling units in Grapeview
Outside shoreline jurisdiction, a Mason County ADU on rural land goes through a special use permit. It must sit on the same lot as the main house or be a conversion of an existing detached building such as a garage, and a new unit may not exceed 80 percent of the house or 1,200 square feet, whichever is smaller; inside shoreline jurisdiction the shoreline program lowers that cap to 80 percent or 1,000 square feet. When an older house becomes the ADU and a new main house is built, the old one may be as large as 1,500 square feet. Only one ADU is allowed per property, a recreational vehicle never counts as one, and the unit needs its own off-street parking space.
Environmental health signs off before the ADU permit is approved. The county's checklist keeps a new foundation ten feet from the drainfield and reserve area and five feet from the septic tank, keeps foundation drains 30 feet from a drainfield when they sit downhill of it, and asks whether the total bedroom count still matches the septic system on record.
Grapeview homes by the numbers
By Census Bureau measure, the Grapeview census area covers more water than land: about 4.2 square miles of water against 3.7 of land. Its 2020 to 2024 American Community Survey estimates count roughly 680 homes, about nine in ten of them detached houses and the rest mobile homes. The median home was built in 1981, and the 1970s were the busiest decade.
Around three in ten homes are held for seasonal or recreational use, though the survey's margin on that figure is wide, and nearly every year round home is lived in by its owner. Some homes with a Grapeview address are on county utilities: the Rustlewood water system serves 152 connections, and the Rustlewood wastewater plant was rebuilt in 2008. We confirm which systems serve your house before we draw anything that adds fixtures or bedrooms.
Permits: Mason County Community Development building web page, SmartGov portal guide and residential permit packet. Shoreline, slopes, setbacks and stormwater: Mason County Shoreline Master Program (MCC 17.50) and Resource Ordinance (MCC 8.52), as amended effective December 2021. ADUs: MCC 17.03.029 via the county ADU permit packets, and MCC 17.50.255 for shoreline units. Hamlet status and county utilities: Mason County 2025 Comprehensive Plan. Housing and area: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates and 2023 TIGER boundaries, Grapeview CDP.
Grapeview remodeling questions
Who issues building permits in Grapeview?
Mason County. Grapeview is unincorporated, so remodel, addition, deck and ADU permits come from the county's Community Development office in Shelton, and county environmental health staff review the septic side of the same project.
Can a Grapeview building permit be filed online?
Partly. Many permit types go through the county's SmartGov portal, but a full building permit needs a submittal appointment. Inspections for either kind are booked through the portal, and on our projects we handle the filing and the inspection requests.
How close to Case Inlet can I build or add on?
It depends on the shoreline designation. On Residential or Rural shoreline a new or expanded structure stays 115 feet from the high water mark, and 165 feet on Conservancy or Natural shoreline. Older lots between two houses may qualify for a common line setback, never under 35 feet. We look up your lot before design.
Can I build an ADU on my Grapeview property?
Usually one, yes, with an extra parking space and environmental health approval. Within 200 feet of the shoreline it needs a Substantial Development Permit and can reach 80 percent of the house or 1,000 square feet; elsewhere a special use permit applies and the cap is 80 percent or 1,200 square feet.
What does a remodel in Grapeview cost?
The scope sets the price, and a septic review, a shoreline permit or a geotechnical report adds design steps. You get a written, itemized price before work starts, and typical ranges by project type are in our Remodeling Pricing Guide.
Serving Grapeview
Volcano Builders 1750 112th Ave NE #B217 Bellevue, WA 98004 (206) 666-0412 Get directionsNearby cities














