CORNERSTONE
Redefining Spaces with DADU Homes in Ferndale & Bellingham
Your property holds untapped potential. With our expertly designed DADU Homes (Detached Accessory Dwelling Units), you can create a functional, stylish, and valuable addition to your home in Ferndale or Bellingham. Whether it’s for guests, family, or rental income, our DADUs are built to enhance your lifestyle and maximize space.
Why Choose DADU Homes by Cornerstone?
A DADU Home isn’t just a building it’s a solution. It’s flexibility, comfort, and opportunity wrapped in one beautiful design. With Cornerstone, you can expect:
• Smart space utilization to fit seamlessly into your property.
• Custom designs tailored to your vision and lifestyle.
• Quality craftsmanship ensuring durability and long-term value.
• Energy-efficient builds for sustainable living.
Our DADU Homes are more than structures they’re extensions of your life, designed with care.
DADU Construction - Built with Precision and Passion
From the foundation to the final touches, we ensure every element is crafted with precision, durability, and modern design in mind.
Our DADU Construction process includes:
• Consultation and planning to align with your needs.
• Design and permitting support for smooth approvals.
• High-quality materials for lasting results.
• Timely, reliable execution to bring your vision to life.
With Cornerstone, you get a team that values transparency, craftsmanship, and your peace of mind.
Preferred Builder in the Northwest
- Need help getting started with your new home plan?
Talk to one of our experts today!
Frequently Asked Questions
Yes. We design and construct DADU Homes throughout Ferndale, Bellingham, and the surrounding Whatcom County area.
A DADU is a Detached Accessory Dwelling Unit essentially a backyard cottage separate from the main house providing privacy and flexible use.
Absolutely, provided it meets local zoning requirements. We’ll help guide you through the permitting process.
Timelines vary, but most DADU projects take 4–8 months from design to completion depending on size and permitting.
Yes. We handle the design, permitting, and zoning approvals to ensure your DADU meets all city regulations.
Yes. We recommend sustainable materials, energy-efficient appliances, and eco-friendly construction methods to lower long-term costs.
