Kit Homes in Washington - Builders That Sell Kit Houses in Washington including Cost, Photos & FAQ

Kit homes in Washington State offer a practical solution for those seeking customizable and efficient homes in a state known for its varying climate and geography. While home kits are a wise choice for eco-conscious Washington buyers, they are also a practical solution for projects in hard to access locations. This is especially true for projects on one of Washington State’s islands, where shipping other prefab construction types, particularly modular homes, can be cost prohibitive. This guide provides answers to key questions about building kit homes in Washington, including costs and which builders serve the state.

Overview of Kit Homes in Washington

What are kit homes?

Kit homes in Washington are prefabricated houses assembled from pre-selected materials shipped to the build site. These Washington home kits range from basic structural shells to more comprehensive packages that include insulation, windows, and interior finishes. Buyers should verify what’s included in their home kit, as this will impact the project’s cost and build time.

What types of kit homes exist in Tennessee?

In Washington, common types of kit homes include timber-frame kits and panelized SIP homes. SIP homes are particularly popular in the state for their energy efficiency and insulation, helping homeowners keep their homes comfortable during both cold winters and warm summers. On the other hand, timber frame kits have an appeal to buyers looking for a rustic home.

How much does it cost to build a kit home in Tennessee?

The cost to build a kit home in Washington generally ranges from $380 to $650 per square foot, depending on the location and type of kit. In high-demand areas like Seattle or Bellevue, higher assembly costs and stricter building regulations can drive up project costs. However, in more rural areas, such as Eastern Washington or the Olympic Peninsula, transportation costs may add to the overall expense. More inclusive Washington home kits can bring total project costs to around 3x the kit price, while simpler kits may result in final costs closer to 5x the price of the kit.

Kit Homes For Sale in Washington

Structural Shell Kits and Timber Frame Home Kits

Barn Pros - (Monroe, WA)
Barn Pros specializes in customizable barn-style kit homes that combine rustic charm with functionality. Their kits come with all necessary timber framing, roof panels, and siding, making them ideal for quick assembly. These homes are perfect for Washington’s rural areas and can be adapted for use as barns or residential homes.
We estimate projects for an a frame cabin kit home from Barn Pros to cost between $380 - $740+. While this is a turn-key estimate (not including land), site conditions, project location, and desired finishes will affect this range. For example, we estimate their 768 square foot Caretaker to cost around $500,985. For more information, see our list of homes from Barn Pros with cost estimates.

DC Structures - (Damascus, OR)
DC Structures offers Washington residents high-quality barn-style and timber-frame kit homes. Their kits include pre-engineered framing, roofing, and siding, making them easy to assemble. These homes are perfect for Washington’s varied climate and can be customized to meet the needs of homeowners looking for both style and durability.
We estimate projects for a timber frame kit house from DC Structures to cost between 3 to 5 times the base kit cost. This accounts for line items such as the kit cost, site preparations, shipping, and local assembly and finishing costs. For example, we estimate their 3,545 square foot Jefferson to cost around $1,241,000. For more information, see our list of homes from DC Structures with cost estimates.

Lindal Cedar Homes - (Seattle, WA)
Lindal Cedar Homes and their network of 6 local distributors provide Washington residents with elegant post-and-beam kit homes. Lindal's kit houses are designed to highlight natural beauty while ensuring durability in the Pacific Northwest’s wet climate. With more than 70 models, Lindal offers an extensive range of designs—from contemporary to classic—that can be customized with local dealer support. Their kits include cedar timber framing, roof systems, and high-performance glass, making them well-suited to Washington’s scenic, often rainy environment.
We estimate projects for a modern kit home from Lindal Cedar Homes to cost between $450 - $600+. While this is a turn-key estimate (not including land), site conditions, project location, and desired finishes will affect this range. For example, we estimate their 1,377 square foot Mirabel to cost around $688,500.

Purcell Timber Frame Homes - (Nelson, British Columbia)
Purcell Timber Frame Homes designs and delivers energy-efficient and customizable timber frame home kits to buyers throughout Washington. With over 25 models available, their homes are well-suited to fit the natural beauty of the Pacific Northwest. Each kit includes timber frames, roof trusses, and high-quality windows, offering durability against Washington’s wet climate while incorporating large, open spaces to highlight the scenic surroundings. All of their homes are flat packed and then shipped which makes them well suited for projects in remote locations.
We estimate projects for a modern kit home from Purcell Timber Frame Homes to cost between $400 - $500+. While this is a turn-key estimate (not including land), site conditions, project location, and desired finishes will affect this range. For example, we estimate their 3,600 square foot Alpine Contemporary to cost around $1,440,000.

Stillwater Dwellings - (Seattle, WA)
Stillwater Dwellings builds and sells customizable, modern kit homes out of their Seattle office. Their homes feature expansive glass panels and open-concept designs. Their kits come with all necessary structural elements, including high-performance walls and roofing systems, in addition to a range of finish packages and options. With options for over 25 different floor plans, Stillwater Dwellings offers flexible, energy-efficient prefab home solutions.
We estimate projects for a custom prefab home from Stillwater Dwellings to cost between $500 - $900+. While this is a turn-key estimate (not including land), site conditions, project location, and desired finishes will affect this range. For example, we estimate their 2,000 square foot Connection Series to cost around $1,550,000. For more information, see our list of homes from Stillwater Dwellings with cost estimates.

Panelized Home Kits

FabCab - (Seattle, WA)
FabCab provides Washington buyers with customizable kit homes that combine panelized construction with timber framing. Their kits are designed for energy efficiency and quick assembly and come with pre-engineered wall panels, roof systems, and windows. These homes are perfect for Washington’s varied climates, offering both modern and cabin-inspired designs that can be tailored to individual needs. And because they can be flat-packed and shipped they are well suited for buyers in remote locations, including for projects on an island.
We estimate projects for a panelized timber cabin from FabCab to cost between $450 - $600+. While this is a turn-key estimate (not including land), site conditions, project location, and desired finishes will affect this range. For example, we estimate their 1,483 square foot TimberCab to cost around $767,000. For more information, see our list of homes from FabCab with cost estimates.

Studio Shed - (Louisville, CO)
Studio Shed builds, sells, and delivers modern panelized kit homes to projects throughout Washington. Buyers seeking flexible backyard solutions such as ADUs, studios, or guest houses might be interested in Studio Shed's modern designs. Their kits include prefabricated wall systems, roof panels, and personalizable interior finishes, which allow for a quick assembly process.
We estimate projects for a panelized home from Studio Shed to cost between $400 - $650+. While this is a turn-key estimate (not including land), site conditions, project location, and desired finishes will affect this range. For example, we estimate their 864 square foot Aspect L to cost around $425,000. For more information, see our list of homes from Studio Shed with cost estimates.

For project-specific help with your kit home in Washington, consider our Prefab Coaching program. Or, continue researching your project with our resources for Prefab and Modular Homes in Washington, Container Homes for Sale in Washington, and Tiny Homes for Sale in Washington.