• Located in Flagstaff, Tempe, Tucson, Cochise and Las Vegas

Survey | Engineering | GeotechAlta Southwest

Alta Southwest is a client-valued provider of construction support services on a wide variety of residential, commercial, industrial and governmental projects. These projects have primarily been in the Phoenix and Tucson metropolitan areas, but have included other locations in the state of Arizona and Nevada as well.

Services have included: foundation design recommendations for varied subsurface conditions including both swelling and collapsible soils, field/laboratory materials testing for project specification, confirmation/documentation, and to satisfy regulatory requirements and extensive trouble shooting/problem mitigation with the unexpected issues that often arise during construction.

The Alta Southwest engineering staff has over 100 years of project experience involving residential, commercial, government, institutional and industrial projects.

Residential Projects

Recommendations for subdivision home foundations (individual custom lots up to 10,000+ lots), apartments and condominiums from 1 to 25 stories with and without basements (slabs-on-grade); local, collector and arterial pavement sections, percolation testing and evaluation for waste and storm water collection systems.

Commercial Projects

Foundation/pavement/utility recommendations for single and clustered (shopping centers) retail, restaurants, office buildings, banks, lodging, telecommunications (monopole and guyed cell towers), multi-level parking garages, solar fields, office/warehouses and multi-use projects.

Government Projects

Foundation/pavement/utility recommendations for office buildings; courthouses; libraries; roads; bridges; multi-building clusters; wastewater treatment facilities; pump stations; conveyance lines; potable water treatment facilities; service, storage and maintenance buildings and parks/recreational facilities.

Institutional Projects

Foundation/pavement/utility recommendations for schools (elementary, middle, junior high, high school, community college and university), hospitals/clinics, airports, churches, bus garages and gaming facilities.

Industrial Projects

Foundation/pavement/utility recommendations for mining operations, paper mills, power generation and transmission facilities, dams, docks and harbors, quarries, forest products, waste disposal sites and manufacturing facilities.

Full Service EngineersFlexible Services

Alta Southwest Survey is a land surveying company with offices in Tucson, Phoenix and Benson, AZ. We are a full service company offering all types of land surveying services, including boundary, lot splits, A.L.T.A., FEMA Elevation Certificates, topographic, design, construction staking, easement research and aerial photo control. Our staff includes three licensed surveyors and one licensed architect in the State of Arizona.

Our range of expertise has been used by clients in Cochise, Pima, Pinal and Santa Cruz Counties in such cities as Tucson, Oro Valley, Marana, Casa Grande, Coolidge, Gila Bend, Vail, Sahuarita, Green Valley, Tubac, Arivaca, Nogales, Patagonia, Sonoita, Elgin, Benson, Pomerene, St. David, Willcox, Bowie, Pearce, Sunsites, Cochise, San Simon, Bisbee, Douglas, Sierra Vista, Tombstone, Portal and Rodeo.

Engineering ExpertsExperienced Team

Dan Speck

Partner & Shareholder

Dan Speck has spent over 40 years in the mining, materials, and testing industries ranging from mine site engineering to executive management

Dan Vermeer

Partner & Shareholder

Currently, Dan is a Principal in Alta Arizona, which he co-founded with Dan Speck, Dan serves as Managing Partner and Serves on the Board.

Scott Joiner

Principal / Geotechnical Manager

Scott Joiner has over 15 years in the engineering and materials testing industries with varied experience and background.

Sean Fabor, PE

Geotechnical Principal and Director

Sean has over 15 years of experience in the geotechnical, construction material testing and special inspection industry.

Patricia Gajda, RLS


Patricia has over twenty-two years of professional experience related to land surveying and right-of-way.