The Ranch Mine
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We are a national award-winning architecture firm based in Arizona, creating distinctive homes, event venues and boutique resorts around the world. With over 250 projects completed across 4 continents and features in Architectural Digest, Dwell, and The Wall Street Journal, we specialize in designs that connect you with nature and each other. Only architecture firm to be a 3-time HGTV Designer of the Year winner.
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Business details
- Category:
- Architects
- Business focus:
- Residential & Commercial
- Verified ArchiPro member since:
- 2026
- Award winning professional:
- 25 awards
Seven Canyons
The Ranch Mine
Who we are

Cavin Costello
Founder | Principal Architect

Claire Costello
Founder | CEO

Geoff Sosebee
Director of Design Operations

Rachel Connor Karle
Project Architect

Nicole Mehaffey
Project Architect

Benjamin Johnson
Visualization Specialist

Jacob Gulinson
Project Architect
About The Ranch Mine
The Ranch Mine is listed under architects in USA, focused on residential, hospitality architecture: new builds, renovations. It has been verified on ArchiPro since 2026.
What does The Ranch Mine do?
The Ranch Mine offers residential projects, new builds, home renovation/Additions, event & hospitality venues, boutique resorts, additions, alterations and renovations. Its work is residential & commercial, and it was founded in 2010 and has 25 awards. Read more
Where is The Ranch Mine based?
The Ranch Mine is based in USA. Addresses, phone numbers and enquiries are on its contact page.
What projects has The Ranch Mine completed?
The Ranch Mine has 12 projects on ArchiPro, including Seven Canyons, Waterview and Island Retreat. View all its projects



















