General contractor General contractor Services in Des Moines, WA
11 specialized services available
We are a general contractor serving homeowners across Seattle, Bonney Lake, and nearby communities. Our team handles whole-home projects, from planning to final walkthrough. We are an owner-operated family business, and our kids now work alongside us. You talk directly with the people doing the work. We build decks, remodel kitchens and bathrooms, finish basements, and add DADUs. Each project starts with a clear scope so you know what to expect before work begins. Permits and code requirements are part of our process, and we explain each step in plain language.
General contractor
Serving Des Moines, WA and King County, Washington
General contractor Services in Des Moines, WA
Browse the services below to find the project that fits your home. Call us to talk through your ideas and get a clear plan.
Whole-Home Renovation
Masis Contractor LLC handles whole-home renovation projects across Bonney Lake and the greater Seattle area.
- One owner-operator oversees every trade on your renovation, so nothing falls through the cracks between contractors.
- Updating kitchens, bathrooms, flooring, and mechanical systems together avoids the higher cost of reopening finished walls later.
- Structural changes like load-bearing wall removal and subfloor repair are handled as part of the whole-home scope, not added as surprises.
Basement Finishing
Masis Contractor LLC finishes basements in Bonney Lake, turning unused lower levels into livable, dry, functional space.
- Dry, stable subfloor and vapor barrier protection before any finish work begins
- Framed walls and insulation sized for Bonney Lake's below-grade moisture conditions
- Added livable square footage that increases your home's usable and resale value
DADU Construction
Masis Contractor LLC builds detached accessory dwelling units for Bonney Lake homeowners looking to add livable space on their property.
- A DADU adds a fully independent living space without altering your primary home's footprint or layout.
- Bonney Lake's newer utility infrastructure makes water, sewer, and power connections to a detached unit more straightforward than in older neighborhoods.
- Under HB 1337, Bonney Lake allows up to two ADUs per lot with no owner-occupancy requirement, giving you flexibility in how you use the space.
Home Remodeling
Masis Contractor LLC handles home remodeling projects across Bonney Lake and the greater Seattle area.
- Direct access to the owner throughout your project, not a rotating crew of subcontractors
- Scope planning done before work starts, so your budget reflects the actual job
- Pierce County permit coordination handled for you on structural and addition work
Design and Build Services
Masis Contractor LLC offers design and build services for homeowners in Bonney Lake and across the greater Seattle area.
- One team manages both design and construction, reducing miscommunication between separate contractors
- Owner-operated oversight means decisions get made faster and your project does not get passed down to a junior crew
- Design is shaped around Pierce County and Washington State code requirements from day one, not retrofitted later
Bathroom remodeling
Masis Contractor LLC handles full bathroom remodeling for homeowners in Bonney Lake and across the greater Pierce County area.
- Waterproof tile and backer board installation that protects walls and floors from moisture damage behind the surface
- Curbless and walk-in shower options that remove trip hazards and work for all mobility levels
- Custom vanity and storage solutions that fit your actual bathroom layout, not a stock floor plan
Basement remodeling
Masis Contractor LLC transforms unfinished Bonney Lake basements into livable, functional spaces for local homeowners.
- Adds finished living space without expanding your home's footprint or lot coverage
- Moisture and ventilation addressed from the start, reducing risk of mold or odor in Bonney Lake's wet climate
- Improved insulation in the lower level helps regulate temperature throughout the home
Custom home building
Masis Contractor LLC builds fully custom homes in Bonney Lake for families who want a home designed around their land and lifestyle.
- A floor plan built around your lot, not a cookie-cutter layout dropped onto your property
- Direct access to the owner throughout the project, so decisions never stall waiting on a middleman
- Site evaluation that accounts for Bonney Lake's sloping terrain and soil conditions before construction begins
Water Damage Repair
Masis Contractor LLC handles water damage repair for homes across Bonney Lake and the greater Seattle area.
- Damaged drywall, subfloor, and framing are replaced, not just dried, so the repair holds long term
- Hidden moisture behind walls and under flooring is identified and addressed before mold has a foothold
- You work directly with the owner, not a call center, so nothing gets lost between the assessment and the repair
Restoration
Masis Contractor LLC provides restoration services for homes across Bonney Lake and the surrounding Puget Sound region.
- Damaged walls, flooring, and framing are repaired to a sound, stable condition rather than patched over
- Hidden moisture in crawl spaces and wall cavities is identified and addressed before mold can take hold
- A single owner-operated team manages the full scope of work, so nothing falls through the cracks between trades
Fence Installation
Masis Contractor LLC installs fences for homeowners across Bonney Lake and the greater Pierce County area.
- Privacy built for your specific lot grade and street exposure in Bonney Lake
- Posts and hardware selected to resist moisture and freeze-thaw stress common on the Bonney Lake plateau
- Direct owner involvement from site visit to final walkthrough, no handoffs to a crew you have never met
We Serve
- Des Moines, WA
- Shoreline, WA, USA
- Federal Way, WA, USA
- Sammamish, WA
- Issaquah, WA, USA
- Redmond, WA, USA
- Bothell, WA
- Seattle, WA
- Bellevue, WA
- Kirkland, WA
- Newcastle, WA
- Woodinville, WA
- Normandy Park, WA
- Northeast Tacoma
- Mercer Island, WA
- Medina, WA
- Clyde Hill, WA
- Kenmore, WA
- Hunts Point, WA
- Burien, WA
- Renton, WA
- Tukwila, WA
What sets us apart for General contractor
Owner Operator
Family Business
Started As A One Man Show
Local Bonney Lake Team
Recent Projects in Des Moines, WA
A selection of completed work for clients across the area.
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Common Questions About General contractor in Des Moines, WA
Straight answers to the questions customers ask before hiring a local contractor.
Pay based on a written scope and bid for your project. We walk through each line item so you know where the money goes. Call our Seattle team to discuss your project.
Many general contractors bill by the project, but some charge hourly for small repairs. We explain our pricing method before any work begins in Bonney Lake.
A general contractor manages the whole project and coordinates all trades. We handle planning, scheduling, and oversight for remodels in Redmond.
Yes, we finish basements for homeowners in Sammamish. We plan the layout, framing, and finish work around your home's needs.
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Proudly Based in Bonney Lake, WA
Stop by, call, or book online — we're always nearby when you need us.
Phone
(206) 510-8575Hours
- Monday 6:00 AM - 8:00 PM
- Tuesday 6:00 AM - 8:00 PM
- Wednesday 6:00 AM - 8:00 PM
- Thursday 6:00 AM - 8:00 PM
- Friday 6:00 AM - 8:00 PM
- Saturday 6:00 AM - 8:00 PM
- Sunday Closed