Accessory Dwelling Unit (ADU) is a secondary housing unit on the same property. They can be detached, attached, garage conversion, and basement apartment.

What are the benefits of ADU?

They are used as rental income, housing for family (in-laws, adult children), guest accommodations, and increased property value.

What are the ADU services of Chapman Construction?

Chapman offers accessory Dwelling Unit Builders, premium compact homes, sustainable home solutions, and King County Custom Builds.

What local areas does Chapman Construction offer ADU?

Chapman services the Greater Seattle Area and King County.

Expert ADU Design and Construction

In Seattle, Redmond, Woodinville and Sammamish

Unlock the potential of your property with expertly crafted accessory dwelling units (ADUs) by Chapman Construction. Serving Seattle, Bellevue, and King County, we specialize in ADU design and construction that combines functionality and sustainability with quality.

Comprehensive ADU Design and Construction

Chapman Construction offers comprehensive services to bring your ADU vision to life.

Accessory Dwelling Unit Builders

Trusted experts creating unique, functional ADUs for any purpose.

Premium Compact Homes

Efficient designs ideal for small spaces or secondary residences.

Sustainable Home Solutions

Incorporate eco-friendly materials & energy-efficient features for long-term benefits.

King County Custom Builds

From detached units to garage conversions, we handle projects of all sizes with precision & care.

Why Chapman Construction?

Chapman Construction has been the trusted name in expert home construction across King County for over 20 years. Our sustainability and craftsmanship meet top-tier custom satisfaction to create the Chapman promise!

Expert Craftsmanship

Our team delivers top-quality workmanship on every project.

Sustainable Practices

We prioritize environmentally friendly materials & designs.

Award-Winning Excellence

Recognized with multiple "Best of Houzz" awards for our commitment to quality & innovation.

Client-Centered Process

We work with you to ensure your ADU meets your specific needs & expectations.

Serving Greater Seattle With a Passion

For over 20 years we’ve had the honor of remodeling great King County houses into dream homes. Our passion for perfection is captured in our motto – Love Your Home. Our ultimate goal is to hear you say those three magic words – “I love it!”

Contact Us Today!

Ready to add a custom ADU to your property? Contact Chapman Construction to schedule a consultation, and start your journey to a beautifully designed accessory dwelling unit. Serving Seattle, Bellevue, and King County, we deliver sustainable, custom ADU solutions. Call today!