Doug Sims comes from a family of builders. His grandfather was a carpenter, his father was a General Contractor, and other parts of his family have building roots that extend four generations.
After beginning work in construction as a teenager, Doug has served Arizona as a General Contractor since 1994. Mission Design/Build was created to carry that tradition forward with a renewed focus on quality, communication, and customer experience.
Arizona General Contractor experience since 1994.
Deep family roots in carpentry, construction, and building.
Residential construction services from custom homes to outdoor living.
A detail-focused approach built around client satisfaction.
Founder Story
Construction is not just our industry. It is our heritage.
Our Story
Built to be the single trusted source for residential construction.
Mission Design/Build was founded to simplify the building experience by bringing quality materials, trusted subcontractors, detailed communication, and project accountability together under one team.
01 / Heritage
Building Roots
Four generations of construction knowledge influence the way Mission approaches craftsmanship, details, and accountability.
02 / Experience
Arizona Since 1994
Doug Sims has served Arizona clients for decades, bringing local construction knowledge to every project.
03 / Quality
Plan With Precision
Trades, materials, design intent, and construction sequence are organized so the build has a clear path and fewer costly surprises.
04 / Experience
Client-First Build
The goal is to deliver excellent work while making the process organized, enjoyable, and transparent.
Our Team
Built on generations of craftsmanship and a commitment to client experience.
A luxury project requires more than strong construction. It requires leadership, organization, communication, and a team that respects the details that matter most to each client.
Founder / General Contractor
Doug Sims
Doug leads Mission Design/Build with decades of Arizona construction experience and a family tradition of building that extends four generations.
His focus is simple: deliver high-quality work, communicate clearly, and help every client enjoy the process of bringing their vision to life.
Operations / Client Experience
Jamie Hanna
Jamie Hanna is the backbone of Mission Design/Build, supporting showroom appointments, subcontractor scheduling, client communication, and daily organization.
Her communication and organizational skills help create the attentive experience clients expect from a trusted design-build team.
Trusted Brands
Start Your Mission
Ready to work with a builder who values both the result and the experience?
Schedule a consultation with Mission Design/Build to discuss your custom home, remodel, residential or commercial pool, landscape, wine cellar, or outdoor living project.
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