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Commercial Construction

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Commercial Construction in Flagstaff, AZ

At B3 Construction, we help businesses across Flagstaff bring their spaces to life with expert commercial construction services. Whether you’re expanding your current location, building from the ground up, or renovating a tenant space, we deliver the craftsmanship, professionalism, and reliability you need to stay on time and on budget. Our local experience and hands-on approach make us a trusted partner for commercial projects throughout Northern Arizona.

Built for Flagstaff Businesses

Flagstaff businesses need commercial spaces that work as hard as they do. That’s why we tailor every project to meet the specific demands of local industries, property conditions, and building codes. We collaborate closely with business owners, property managers, and developers to create spaces that are functional, durable, and aligned with long-term goals. From retail storefronts to multi-unit properties, B3 Construction builds with Flagstaff in mind—every step of the way.

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Commercial Construction Services

The work showcased in our portfolio represents the variety and quality of commercial services we offer. Our team specializes in tenant improvements, custom build-outs, finish carpentry, siding & trim, and commercial remodeling. We bring the same high standards to every job—whether it's a small interior upgrade or a full-scale commercial renovation. Our flexible approach and skilled crews allow us to adapt to a wide range of commercial environments and project scopes.

Trusted by Northern Arizona Clients

Our team has earned outstanding reviews from clients who appreciate our professionalism, efficiency, and attention to detail. We understand that commercial projects often mean strict timelines and specific regulations, and we’re committed to delivering results that reflect your brand and business goals. Whether you're launching a retail space, updating offices, or modifying a multi-unit property, B3 Construction is ready to help you move forward with confidence.

Contact us to request a consultation or speak directly with our team. We look forward to helping you create a space where your business can thrive.

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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.