Basement remodeling in Des Moines, WA

Masis Contractor LLC transforms unfinished Bonney Lake basements into livable, functional spaces for local homeowners.

Call (206) 510-8575
Finished basement interior in a Bonney Lake, Washington home, showing framed walls, recessed lighting, and a clean open layout ready for use as a family room. General contractor remodel completed by Masis Contractor LLC serving Pierce County homeowners.

Expert Basement remodeling in Des Moines, WA

Basement remodeling in Bonney Lake gives you usable square footage without adding to your home's footprint. Many homes in this part of Pierce County sit on lots where the soil expands and contracts with seasonal rainfall, making moisture management a key part of any basement project. At Masis Contractor LLC, we address that reality before we touch a single wall. We assess the space, handle framing, insulation, lighting, and ventilation, and build out the layout that fits your household — whether that is a family room, a home office, a guest suite, or a multi-use space. As an owner-operated family business, the person you speak with is the person overseeing your project. We serve Bonney Lake homeowners directly, with no layers between you and the work. If your basement is sitting unfinished or feels damp and dark, we can turn it into a room your family actually uses. Call us to get started.

What's included

  • 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
  • Finished basement square footage can increase your home's appraised value in the Pierce County market
  • Direct owner oversight on every project — no subcontracted project managers or communication gaps
  • Flexible layout options let you build the room your household actually needs, from a guest suite to a home gym
Owner Operator
Family Business
Started As A One Man Show
Local Bonney Lake Team

Need this service?

Get a clear assessment before you commit.

Call Now

Basement remodeling FAQ

Common questions about basement remodeling in Des Moines, WA.

Yes, moisture issues are addressed before any finishing work begins. Bonney Lake's clay-heavy soil and high seasonal rainfall make moisture assessment a standard part of our basement remodeling process.

Your basement can become a family room, home office, guest bedroom, gym, or multi-use space. We design the layout around how your household in Bonney Lake actually lives.

A finished basement adds livable square footage, which is a recognized value factor for homes in Pierce County. Properly finished and ventilated basement space is treated differently by appraisers than raw unfinished space.

As an owner-operated business, the owner is directly involved in your project from start to finish. Bonney Lake homeowners work with the same person throughout, not a rotating crew of subcontractors.

Many Bonney Lake homes have unfinished basements with ceiling heights that work well for finishing into livable space. We measure and confirm clearances during our initial walkthrough before any work is planned.

Yes, we also serve homeowners in Seattle, Federal Way, Shoreline, Sammamish, Issaquah, Redmond, Des Moines, Normandy Park, and Magnolia. Contact us to confirm service availability for your address.

Still have questions?

Call us directly. Real answers, no scripts.

Call (206) 510-8575

What Pierce County customers say.

Worked with us?

Leave a Review

Proudly Based in Bonney Lake, WA

Stop by, call, or book online — we're always nearby when you need us.

Hours

  • 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
Get directions

Get a Free Estimate