Icon-facebook Instagram X-twitter Houzz
A bold, stylized letter "B" in black and white on a yellow square background with rounded corners and a black and white border.
B3 Construction logo with 'B3' in bold black letters, a thin vertical yellow line, and the word 'CONSTRUCTION' in bold black capital letters on a light gray background.
Your Experience, Elevated
Start Your Project

Tenant Improvements

Modern commercial building with large glass windows and gray brick exterior, surrounded by neatly trimmed bushes, along an empty asphalt parking lot under a partly cloudy sky at sunset.

Tenant Improvements in Flagstaff, AZ

Upgrading or customizing a commercial space for a new tenant is about more than appearance—it’s about making the space work for a specific business’s needs. At B3 Construction, we specialize in tenant improvements that enhance functionality, meet regulatory requirements, and help property owners and tenants get the most from their investment. Whether it’s a small refresh or a full build-out, we bring the experience and precision needed to get the job done right.

Tailored Spaces for Flagstaff Businesses

Every business has unique needs, and no two tenant improvement projects are the same. That’s why we take a customized approach to every build. From medical offices and retail shops to restaurants and multi-unit properties, we work directly with landlords, tenants, and property managers to deliver spaces that are ready for business. Our knowledge of Flagstaff’s local codes, permitting, and commercial requirements helps ensure smooth execution from start to finish.

Start Your Project

Built to Code, On Time, and On Budget

Tenant improvements often come with tight schedules and specific compliance demands. B3 Construction is known for meeting deadlines without cutting corners. We manage all phases of the project—from demolition and layout changes to electrical, plumbing, and finishing—so your tenant can move in on time and with confidence. Our skilled team focuses on communication and efficiency, ensuring the final result meets expectations and holds up to daily business use.

Trusted by Property Owners and Tenants

Our work speaks for itself, but our reviews speak even louder. Clients throughout Flagstaff and Northern Arizona trust B3 Construction for tenant improvement projects because we combine high-quality craftsmanship with a straightforward, professional process. We understand what’s at stake for both landlords and business owners, and we’re proud to be a construction partner they can rely on time and time again.

Contact us to request a consultation or speak directly with our team. We look forward to helping you transform your commercial space into something that works.
A family of six poses outdoors, smiling. There are two adults in the center and four children—two boys and two girls—standing around them. They are dressed in casual clothes with a rocky, natural background.

Meet the Owner: Bob Harris III

Bob Harris III founded B3 Construction in 2009 after graduating from Northern Arizona University’s Construction Management program. A fifth-generation carpenter, Bob combined his education with his lifelong skills and passion for building to create a company rooted in quality, trust, and community. Today, he leads B3 Construction with the same dedication and family values that started it all.