Multigenerational Homes in Washington
Stronger Together: Thoughtful Spaces for Every Generation
The Rise of Multigenerational Living in Washington State
Multigenerational homeownership is at a record high nationwide, with households nearly quadrupling over the last decade. The rising interest in multigenerational lifestyles among Americans is driven by practical needs, economic realities, and changing family dynamics.
In Washington, more families are living in multigenerational homes due to the following advantages that they offer:
- Multigenerational living allows families to pool finances for affordable multi-family homes in high-demand areas.
- Allows adult children to care for aging parents while receiving childcare help from grandparents, creating a two-way support system.
- Many communities value multigenerational living as it creates stronger emotional bonds and reduces elder isolation.
Designing for Privacy and Togetherness:
Our Multigen Home Plans
At HiLine Homes, we believe multigenerational homes should help families “live together and apart,” in which a home supports the unity of a family and the independence of each member at the same time.
Below are examples of our multigenerational home plans collection, all of which can have ADA-friendly design considerations to help support aging family members and long-term living.
Plan 3464
- Home Plan 3464 is a purpose-built multi-generational home with two private primary suites, separated living zones, and a spacious media room for shared family time.
- Enjoy summers with your large outdoor living area, which enhances togetherness while respecting personal space.
- Excellent for home buyers with adult children or aging parents.
Plan 2494A
- Home plan 2494A is designed with accessibility and comfort in mind—two primary suites on a single level, separate entrances and smooth traffic flow from the kitchen, butler’s pantry, laundry room, and garage.
- An open great room blends functionality with flow, without compromising privacy.
- A home office can be accessed near the front door to professionally welcome clients when needed.
Additional Dwelling Unit Plan 500B
- All of our multigenerational home plans can be attached with an Additional Dwelling Unit (ADU) to create a distinct in-law suite or rental-ready unit.
- This ADU plan contains a primary suite, a great room, and a covered porch to support a comfortable lifestyle.
- Having a total size of 500 square feet, the 500B home plan has vaulted ceilings for an airy and spacious feel.
On Your Lot, On Time, Built Right!
At HiLine Homes, your vision matters—and we’re here to make sure it’s realized with confidence, clarity, and care.
Download Our Multigenerational Living Guide!
Is a Multigenerational Home or an ADU Right for You?
When choosing whether to build a multigenerational home or a standard build with an Additional Dwelling Unit (ADU), the homeowner should consider the following questions:
- How much daily interaction is desired?
- Is full independence or shared living more important?
- What future use cases (renting, caregiving, downsizing) are anticipated?
A multigenerational home and an ADU both offer different benefits for homeowners. Once you have answered the questions above, here is what the two types of housing offer:
Choosing a Multigenerational Home
Multigenerational homes are ideal for families who value closeness and caregiving under one roof. With its shared kitchen, great room, and utility systems, a multigenerational home offers cost savings and facilitates daily interaction.
This type of home is best suited for:
- Multigenerational living allows families to pool finances for affordable multi-family homes in high-demand areas.
- Allows adult children to care for aging parents while receiving childcare help from grandparents, creating a two-way support system.
- Many communities value multigenerational living as it creates stronger emotional bonds and reduces elder isolation.
Choosing a Home with a Detached ADU
An Additional Dwelling Unit is a great option for families who want independence while still being close to others. Because it provides a separate entrance and utilities, it encourages lifestyle independence while maintaining family closeness.
ADUs are best suited for families who prefer the following:
- Multigenerational living allows families to pool finances for affordable multi-family homes in high-demand areas.
- Allows adult children to care for aging parents while receiving childcare help from grandparents, creating a two-way support system.
- Many communities value multigenerational living as it creates stronger emotional bonds and reduces elder isolation.
Building for Families Across Washington
From the Puget Sound to the Walla Walla Valley
At HiLine Homes, we adapt our multigenerational home plans to fit your evolving family needs. Whether your site is in an urban or rural area, multigenerational families benefit from having a home built for their environment, land, and preferences.
Whether you’re in the forested edges of the Olympic Peninsula, the high desert around Yakima, or the rolling farmland of the Palouse, HiLine Homes adapts to fit your lot, land, and family needs. Our local building expertise ensures each multigenerational home complies with county zoning and maximizes property value.
Urban & Suburban Solutions:
King County, Pierce County, Snohomish County
In dense suburban areas like Renton, Kent, Bellevue, and Everett, land can be scarce if not expensive. A single multigenerational home with shared infrastructure is a cost-effective and space-conscious solution for families looking to build equity while staying close to urban job centers and households adapting to high real estate costs in Washington.
Rural & Semi-Rural Opportunities:
Central Washington, Grays Harbor, Southeast Washington
In areas with more land at a lower cost, families have the freedom to build family compounds. A primary residence with a detached ADU setup allows for multigenerational living with greater privacy and long-term flexibility for guests, rentals, or aging in place.
Navigating "Aging-in-Place" and Accessibility in Washington
Multigenerational families often care for their older loved ones, with many residents in Washington wishing to age at home amid rising senior care costs. At HiLine Homes, we can accommodate their needs through accessible home plans that add long-term value to their homes and reduce the need for future remodeling. We are open to requests for adaptations to support multi-generational setups, where older adults can live independently while remaining fully integrated into family life.
Why Aging-in-Place Matters
“Aging-in-place” or “living-in-place” is a form of care and accessibility for aging parents or homeowners who want to prepare for their own long-term needs. The goal of “aging-in-place” is to design and build the home to maintain independence, safety, and comfort without leaving home.
Homeowners can bring their vision to life by collaborating with us. When you work with a HiLine Home Consultant, we’ll explore custom design features that truly fit your lifestyle.
Predictable Timelines with Price Lock Guarantee
We also incorporate or adapt plans with key universal design elements upon request:
- Ground-floor primary suites for easy stair-free accessibility.
- Open floor plans that ease movement and visibility
- Well-lit spaces to enhance comfort and usability for all ages
Start Designing a Home for Your Whole Family
Amidst a tough housing market, HiLine Homes is a smart, equity-building choice for homeowners choosing to live with multiple generations of their family. With a one-time construction designed for the future needs of multiple generations, you can preserve family closeness while maintaining individual comfort and privacy. That said, no two families are the same, as needs vary by culture, caregiving roles, and living preferences.
At HiLine Homes, we build for real life and to honor every generation under one roof (or two, if they wish to have an ADU). Let’s build you a multigenerational home that’s comfortable, affordable, and flexible.
Talk to a HiLine Home Consultant today about your family’s specific needs and discover a multigenerational floor plan that brings everyone together.
Consult with the Builder of Multi-Family Homes in Washington
Ready to build a home that accommodates you and your family? Consult with us today and let us build your vision with you.