ADU Builders in Idaho
Independent Living on One Lot
Building an ADU in Idaho with Trusted Contractors
An Accessory Dwelling Unit (ADU) is a custom-built living space designed to complement your existing property. Through this home build, homeowners receive flexibility, value, and comfort by having an additional but separate living space. As experienced ADU builders in Idaho, we specialize in custom home and ADU construction that fits your property, lifestyle, and vision.
ADU Advantages for Homeowners
- Potential Rental Income
As a small single unit, your ADU can help you generate monthly income through rent.
- Versatile Housing Solution
Whether you have adult children, aging parents, or guests, an ADU provides a close but independent living space.
- Remote Work
Your ADU can become a home office or studio for your career or hobbies.
- Increased Property Value
ADUs contribute to long-term equity and increased resale potential.
On Your Lot, On Time, Built Right!
Need an ADU plan to fit into your local zoning and site conditions? Let’s customize your desired ADU plan to make it possible.
Download Our Accessory Dwelling Unit Guide!
HiLine Homes’ Custom ADU Building Services
For nearly 30 years, HiLine Homes has brought expertise and efficiency in custom home and ADU construction across Idaho. Not only do we handle the heavy work of construction, but we also help you navigate other phases of your home-building journey.
Whichever ADU plan you choose, our team ensures it’s thoughtfully crafted for comfort and quality, balancing beauty and function.
Attached vs. Detached ADUs
HiLine Homes offers both attached and detached ADU designs to suit different property types, lifestyles, and family needs.
Attached ADUs are ideal for homeowners who want convenient access to shared spaces while maintaining privacy and independence. Meanwhile, detached ADUs provide complete separation for rental income opportunities, guest homes, or multigenerational living.
Permitting Guidance from Our Professional Team
Navigating Idaho building codes for your home and your ADU can feel overwhelming. Through our resources, we help you know where to go and who to contact to complete your permitting requirements.
With years of experience across Oregon, Washington, Northern California, and Idaho, our professional contractors understand the specific construction standards for every area.
The Best Areas in Idaho to Build an ADU
As your Idaho ADU contractors, we understand regional construction requirements. From vibrant urban neighborhoods to peaceful rural communities, we help homeowners create custom living spaces that fit every lifestyle.
Urban Areas — Boise, Pocatello, and Twin Falls
In bustling urban areas like Boise, Pocatello, and Twin Falls, ADUs offer an excellent way to make the most of limited property space. They make versatile solutions for home offices, guest suites, or independent rentals. Through a thoughtfully designed ADU construction, we expand custom living spaces and build long-term equity.
University Towns — Lewiston and Moscow
In college towns like Lewiston and Moscow, ADUs provide ideal rental income potential through long- or short-term leasing. They attract tenants, such as students or faculty, who are looking for a living space that balances comfort, privacy, and proximity to campus.
Rural Areas — Stanley, Blackfoot, and Magic Valley
In scenic rural areas like Stanley, Blackfoot, and Magic Valley, detached ADUs provide independent living spaces for guests, caregivers, or family members. HiLine Homes designs custom ADU construction that complements your primary home and fits naturally into the landscape.
HiLine Homes ADU Floor Plans and Design Options
HiLine Homes offers a range of custom ADU floor plans tailored to meet your living space, design, and property needs. Every plan can be customized to align with your property layout, budget, and lifestyle goals, ensuring a truly personalized building experience.
Home Plan 800
This 800-square-foot ADU floor plan includes a large living room, dining area, and laundry room. Home Plan 800 creates an efficient home that’s both functional and comfortable, with a primary bedroom that has a walk-in closet.
Home Plan 500A
The Home Plan 500A features a spacious Great Room and kitchen with a vaulted ceiling, creating a bright and airy atmosphere. It even has a covered front porch that extends your living space outdoors, offering the perfect spot for relaxing or greeting visitors.
Home Plan 500B
For homeowners who want an attached ADU, this plan blends seamlessly with your main HiLine custom home. The Home Plan 500B includes a private bedroom and open Great Room with vaulted ceilings, maximizing natural light and living space.
ADU Financing Assistance in Idaho
Investing in an ADU in Idaho expands your living space and helps you build equity. It also creates rental income opportunities through long-term custom home ownership. We partner with a trusted network of Approved Lenders to provide construction loans of up to 100% financing designed for custom homes and ADUs. Use our Prequalification Form to find out which financing options you are eligible for.
Contact Us for a Home Consultation
At HiLine Homes, we help you maximize the potential of your lot with a detached or attached ADU to go with your HiLine Home construction.
Schedule a consultation today for shared but independent living on one lot.