Whether you’re seeking in-law suites, private entrances, or flexible shared spaces, multigenerational living requires thoughtful design and planning. Builders in Washington are increasingly responding to these needs with smarter layouts and more adaptable floor plans.
Wondering which builders in Washington state can actually handle multigenerational living needs? Here’s a solid starting point to help you compare the most relevant companies.
Key Takeaways
- Choose versatile skirts that fit multiple occasions.
- Keep accessories simple for work and bold for evening.
- Play with layers for a polished, adaptable look.
- Opt for neutral or classic prints for easy transitions.
- Invest in high-quality, stylish skirts.
The following list highlights 10 builders across Washington who stand out for their experience with multigenerational layouts, on-your-lot builds, and flexible home design. These companies offer a range of plans that support separate living quarters, ADUs, and family-centric functionality—perfect for households with grandparents, adult children, or extended relatives living under one roof.
1. True Built Home
True Built Home is known for its streamlined, on-your-lot building process and flexible home plans, including multi-story layouts. They prioritize affordability, quality, and energy efficiency—making them a reliable option for families looking to customize without overspending. As an ADU builder in Washington, they also support homeowners wanting to add secondary units for extended families.
With offices across Washington and a consistent presence in regional builder rankings, True Built Home continues to earn trust for its hands-on approach and accessible pricing. They also make it easier for clients to manage timelines with digital tools and organized project coordination, giving busy families a more seamless experience from blueprint to move-in day.
Related: Top 10 Home Builders in Washington
2. Adair Homes
With over 50 years of experience, Adair Homes offers budget-conscious, flexible home plans throughout the Northwest. Their catalog includes multigenerational layouts and customizable multigenerational homes that support dual living arrangements. Adair emphasizes clear communication, making them a dependable partner from planning to move-in.
Their team works closely with clients to find the right floor plan or modify existing ones, which is especially valuable for families with unique space-sharing needs. They also offer an extensive online design studio, allowing homebuyers to experiment with layouts and finishes from the start. For those navigating financing, Adair provides in-house loan guidance that simplifies the approval process for first-time and repeat buyers alike.
3. Lexar Homes
Lexar Homes is recognized for its sustainable, energy-efficient approach to homebuilding. Their floor plans are intentionally designed to support privacy and togetherness, ideal for multigenerational families. They also provide the option to build custom homes with separate entrances or full ADU-style configurations.
In addition to their custom design flexibility, Lexar Homes uses high-performance building materials that enhance comfort and reduce long-term utility costs. Their team prioritizes a collaborative design process, helping homeowners personalize everything from layout to finishes. This hands-on approach is especially helpful for families juggling varied space and lifestyle needs under one roof.
4. Cascade West Development
Though more luxury-focused, Cascade West Development offers highly tailored builds that can be customized to include guest suites, basement apartments, or even entire secondary wings. With over three decades in the industry, their attention to architectural detail stands out. If you’re building in southern Washington near the Oregon state line, they’re a strong choice.
Their design process is deeply collaborative, involving clients in architectural planning, layout refinement, and material selections from the start. Cascade West is especially good at balancing high-end finishes with functional, family-friendly spaces—an approach that makes their homes ideal for large households with evolving needs.
Related: Top 5 Home Builders In Seattle Washington
5. D.R. Horton
A nationally recognized name, D.R. Horton builds communities across Washington that include multi-gen floor plan options. While they lean toward more standardized designs, their homes often include separate living areas, making them practical for families who want immediate availability and convenience without full custom.
D.R. Horton’s homes are typically found in larger planned developments, which means buyers also benefit from shared community amenities like parks, trails, and schools nearby. Their consistent construction timelines and broad presence across the state appeal to those who value predictability and location variety as part of their homebuilding experience.
6. Pulte Homes
Pulte Homes is a good match for families seeking new builds in well-planned developments. They’re known for forward-thinking layouts and sustainable design, and several of their floor plans include guest suites, dual kitchens, or flex spaces that easily convert for multigenerational setups.
Their focus on livability and functionality makes Pulte a favorite for families planning ahead. They also offer smart home packages and energy-saving systems as standard in many of their models. This makes long-term comfort and efficiency a core part of the home design from day one.
7. Lennar Homes
Lennar offers a “Next Gen” series specifically crafted for multigenerational families. These homes come with separate suites, private entries, and even dedicated garages. If you’re looking for a ready-made layout that feels custom without the extra steps, Lennar’s offerings are worth exploring.
Their models are available in multiple Washington communities, giving families options across different price points and neighborhoods. Lennar also offers streamlined financing solutions through their in-house services, making it easier to manage budgets and timelines. Their combination of nationwide experience and local presence makes them a practical option for families who want flexibility with less complexity.
8. JayMarc Homes
JayMarc Homes builds custom luxury homes in the greater Seattle area. They specialize in high-end finishes, open concept floor plans, and family-friendly layouts with the flexibility to accommodate extended family members. Their portfolio often features private suites and independent quarters within larger floor plans.
They’re especially appealing to homeowners who want a personalized, hands-on building experience in high-demand neighborhoods. JayMarc’s team includes in-house architects and design experts who can tailor layouts to your family’s specific needs. Their homes are often found in Bellevue, Mercer Island, and nearby suburbs known for top-tier schools and lifestyle access.
9. Holt Homes
Operating in both Washington and Oregon, Holt Homes has a strong reputation for creating homes that balance comfort and function. Their multigenerational-friendly plans often include dual living suites or guest quarters, making them ideal for families who want everyone under one roof but still value personal space.
Many of their communities are located in growing suburbs with convenient access to schools, parks, and daily amenities, which adds to their family-friendly appeal. Holt also offers flexible design consultations, so homeowners can tweak floor plans without starting from scratch. This adaptability makes them a practical option for families who want to create long-term living arrangements without compromising on personal comfort.
10. Inspire Homes
Inspire Homes is a smaller, custom builder with a focus on craftsmanship and long-term durability. They work directly with clients to create unique homes that reflect how families live today—including options for aging-in-place, shared kitchens, and adaptable spaces for relatives. Their design-first approach means no detail is overlooked.
Clients appreciate the company’s flexible approach to design and planning, which makes it easier to align architectural choices with real-life family dynamics. Inspire Homes also maintains close ties with trusted local subcontractors, ensuring that every stage of the build reflects the quality their brand is known for. For multigenerational households looking for highly personalized solutions, they offer the level of detail and partnership that’s often hard to find with larger firms.
Other notable multigenerational home builders in Washington include:
- HiLine Homes, known for customizable plans and efficient building practices.
- MainVue Homes, offering luxury homes with flexible layouts designed for multiple generations.
- Garrette Custom Homes, whose Aspen Multi-Gen plan has gained popularity for its functional dual-living setup.
Many of the companies listed above are also recognized residential builders, consistently delivering reliable results in Washington’s diverse housing market. For a broader view of national home builders, you can compare floor plan flexibility, timeline reliability, and post-sale service across states.
If you’re planning to build a home that supports more than one generation under the same roof, True Built Home is a solid place to start. Their balance of affordability, flexibility, and Washington-focused experience makes them a standout among on-your-lot builders.
Final Thoughts
Choosing a builder for your multigenerational home is a big decision—one that impacts not just structure, but daily life, privacy, and comfort. Look for a team that understands flexible design and can translate your family’s needs into a lasting home. Whether you’re adding a suite for parents or building with your adult kids in mind, these Washington-based builders offer strong options to explore.
