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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
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Since 2009, B3 Construction has provided reliable commercial and residential construction services throughout Flagstaff and Northern Arizona. From new builds to detailed finish work, we bring craftsmanship, professionalism, and clear communication to every project. Whether you’re planning a new home, a business space, or improving your current property, our team is here to help.

Our Construction Services
B3 Construction specializes in a wide range of residential and commercial projects, including:

  • New home construction
  • New business construction
  • Remodeling and renovations
  • Home and business additions
  • Accessory dwelling units (ADUs)
  • Tenant improvements
  • Window replacement
  • Door replacement
  • Rough carpentry
  • Finish carpentry

Get in Touch Today
Fill out the contact form on this page to request your free estimate. You can also call or email us directly during business hours.

We look forward to building something great together.

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Doing our best
to serve you

Areas We Serve

We are proud to be Flagstaff's leading providers for new home construction, renovation, and light commercial projects, but we also serve these areas:

• Flagstaff Ranch
• Forest Highlands
• Pine Canyon
• Bellemont
• Parks
• Doney Park
• Kachina Village
• Mountainaire
• Munds Park
• Mormon Lake

Affiliations
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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.