Hazelrigs Architecture provides full-service commercial architectural design for businesses in the Seattle Metropolitan area.

Commercial Architects in the Seattle & Bellevue, WA Area

Hazelrigs Architecture is a trusted, experienced architectural design firm in the Seattle and Bellevue, WA area. We specialize in tenant and landlord commercial interior design, BOMA calcs, Code Research, site design, Landlord space facility design, and permit facilitation. We provide creative solutions to convey the mission and values of your business through aesthetics and functionality.

Since its establishment in 2004, Hazelrigs Architecture has created commercial interior design solutions for small and large business in the Seattle metropolitan area. Colleen Hazelrigs, Principal at Hazelrigs Architecture, fosters a collaborative relationship with all members of the project team; tenant, landlord, brokers, and contractors, for a successful project for all parties.

At Hazelrigs Architecture, we believe in crafting architectural designs that further your business goals through aesthetics and functionality.


We welcome small businesses, large corporate businesses, institutional organizations, and landlords. We have decades of experience in many project types and sizes such as office space tenant improvements, retail, airport site planning, campus master planning, permitting, and vanilla shell design.


  • Commercial Tenant Improvements
  • BOMA calcs
  • Code Research
  • Facility Planning, and Site Design
  • Permit Facilitation
  • Design of Building Common Areas.
  • Art Procurement
  • Furniture Procurement Management

Why Work With Us?

With our decades of experience in a wide range of project types we help businesses in all phases of design, from concept and facility planning, to design, permitting, and construction. We are dedicated to excellence to help businesses achieve their goals.

Our Commitment to You

Hazelrigs Architecture is committed to delivering high-quality design that meets your needs, no matter your business. We will work with you to create the environment you envision for your business that reflects your mission and values.

Bring Your Vision to Life

To bring your vision to life we begin by understanding your business goals for the project. We then apply that to the design process from concept and programming development, design, permit facilitation, bidding, and construction. We coordinate other service providers, such as engineers, contractors, furniture, art vendors, and security specialists.

Professional Guidance

Navigating the planning, design, permitting, and construction process can be daunting, and we can guide you expertly through the process. Our decades of experience will give you the expertise you need.

Why Work With Us?

Contact us to set up a time to discuss your project. We will be glad to assist you with your planning, site and interior design, permitting, and code research needs. Our specialty in providing BOMA calcs for you as a tenant or a landlord can foster confidence in project relationships.

It doesn’t matter if your business is large or small. We are happy to be of service.