Custom Home Builders in Grant County, OR

Build Your Dream Home On Your Land with Adair Homes of Grant!

Build your custom dream home in Grant County, OR, with Adair Homes.

We offer flexible home plans, full-service construction, and site development solutions. Whether you own land or need help preparing your property, our expert team will manage everything from design to move-in—ensuring quality, value, and peace of mind.

Build on your lot in

  • Seneca
  • Moses Lake
  • Canyon City
  • Soap Lake
  • Royal City
  • Kimberly
  • John Day
  • Ephrata
  • Coulee City
  • Quincy

and surrounding areas throughout the county!

Design Center Near Grant County

We invite you to visit and tour our local design centers. Our team of knowledgeable Home Ownership Counselors are there to answer your questions and look forward to helping you through the process of building the home of your dreams.

Adair Home Exterior

Discover the Adair Difference in Grant County, OR

Adair Homes has more than 55 years of experience building quality custom homes across the Pacific Northwest. In Grant County, our team brings that legacy of craftsmanship, integrity, and proven processes to every project—delivering exceptional results, transparent pricing, and fully managed construction for homeowners who want a better way to build.

When you choose Adair Homes, you're choosing a team that manages every step of your build—from site prep and permitting to home construction. Our in-house designers, dedicated trade partners, and proven process ensure your project stays on time and within budget while never compromising on quality or customization.

Adair living room has large windows with a view

Custom Home Building in Grant County, OR

Grant County's scenic landscapes are the perfect backdrop for a home tailored to your vision. Adair Homes offers fully customizable plans that reflect your style, needs, and budget. From in-house drafting to hands-on design choices, we help bring your dream home to life—wherever your property is located.

If you already own land in Grant County, Adair Homes will manage the process from site evaluation to final inspection. We oversee all development, coordinate local trade partners, and ensure your home fits your lot perfectly. You'll get a build-ready site and a home tailored to your land's unique features.

Our Process

Choose from dozens of floor plans or work with our in-house drafting team to create something entirely new. Want to expand a kitchen, add a covered patio, or open up your living space? Our design flexibility means your home will match your lifestyle and long-term goals—down to the last detail.

Browse Plans

Adair Homes offers smart solutions for investors looking to build rental or resale properties in Grant County. From ADUs to duplexes and custom multi-unit designs, we help you develop high-return real estate with efficient construction timelines and tailored financing options through Basis Home Loans.

Investor Resources

Adair customers picking home finishes

Our Grant County, OR Services

Adair Homes provides a comprehensive set of services for your custom build in Grant County. From architectural design to construction management and financing, we handle every step—so you don't have to. Our full-service approach ensures your project stays on budget, on schedule, and aligned with your vision from start to finish.

Browse our large selection of customizable floor plans, thoughtfully designed for modern living in Grant County's diverse landscapes and tailored to your lifestyle. .

Browse Plans

Basis Home Loans offers streamlined construction loans and land-home packages, simplifying the process by combining costs into one custom loan solution.

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We manage site prep, permits, and utilities through our Site Services program—handling everything with no markup and complete transparency.

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Our team builds your home with trusted trade partners and expert oversight. We manage every detail—delivering lasting quality and total customization.

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Your Path to Home Ownership in Grant County

Building a home with Adair is simple. From selecting a plan to finalizing construction, our six-step process ensures a seamless journey to homeownership in Grant County.

Step 1

Visit Our Design Center

Start your journey by visiting our local Design Center. Explore floor plans, finishes, and customization options with our expert Home Ownership Counselors.

Step 2

Determine Your Budget

Our financing specialists help you understand your budget and explore loan options tailored to your needs, ensuring your custom home is both beautiful and affordable.

Step 3

Find and Secure Land

If you find land, make an offer quickly! We'll have time to review and verify that it will fit your needs before purchasing. Own land? You're ready for Step 4!

Step 4

Schedule a Free Site Evaluation

We'll meet with you on your property to verify that your land is perfect for your new Adair home and your comfortable budget. Your Adair team works with our trade partners to pull together the estimated site development costs and jurisdictional requirements specific to your project.

Step 5

Personalize Your Home

Now that we understand your land and site development costs, it's time to personalize your Adair floor plan and choose the interior materials for your new home in our design center, aligning with your comfortable budget.

Step 6

Order Your New Home

After reviewing your total project cost and your home concept, we will finalize your contract documents and move your project into the drafting phase to get your building permit package started.

53 Plans Available in Grant County

Frequently Asked Questions

In Grant County, most custom home projects take between 6 to 8 months after the foundation is poured. Our team manages every stage of the build, working closely with trade partners to maintain quality and efficiency. Local permitting, site conditions, and design complexity may impact your final timeline.

Adair Homes offers end-to-end custom home services, including architectural design, Basis Home Loans financing, site development coordination, and construction. Our team fully manages the process, ensuring your new home is built to high standards while staying aligned with your budget and timeline.

Yes. Our Pro Team works with local real estate professionals to help you find buildable land in Grant County. Once you’ve identified a lot, we offer a complimentary site evaluation to review feasibility, utilities, access, and zoning—ensuring the land is right for your home design.

Through our lending partner, Basis Home Loans, you can access low or no down payment construction loans. These packages cover land, site prep, and home construction in a single, streamlined loan—making financing simple and accessible to first-time homebuyers and investors alike.

Our Site Services Program includes lot evaluation, permitting, excavation, utility connections, and foundation prep—all managed by Adair’s dedicated team. With no markup on trade services, you’ll receive full transparency and expert management throughout site development to ensure your land is construction-ready.

Absolutely. Adair Homes offers in-house drafting and thousands of options for customization. You can modify layouts, add or remove features, or even design a floor plan from scratch. Our team ensures your home reflects your personal style and fits your lot, lifestyle, and budget.