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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.
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Finish / Trim Carpentry

A bright living room with large floor-to-ceiling windows and folding glass doors opens to a patio and a green lawn with trees, letting in abundant sunlight. A sofa and chairs are arranged inside the room.

Finish / Trim Carpentry in Flagstaff, AZ

B3 Construction provides a full scope of finish / trim carpentry services. This work is performed by our in-house professionals who have many years of finish / trim carpentry experience. They possess an expert level skill set that sets them apart from your average carpenter. The attention to detail and craftsmanship is a trademark of our employees.

• Baseboards
• Door & Window Casings
• Crown Moulding
• Cabinetry
• Doors
• Door Hardware
• Windows
• Skylights
• Wainscott
• Closets
• Mantles
• Stair Cases
• Bathroom Accessories
• Wood & Composite Flooring
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.