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Rancho Mirage - New Address

72140 Magnesia Falls Drive, Suite 1

Rancho Mirage, CA 92270
(760) 346-4750

The Altum Group is proud to be a Coachella Valley-based company, with our headquarters and majority of staff calling the region home. Our knowledge of the local area, through both professional and personal means, allows us to offer our clients key insight into regulations and restrictions that may affect a project. Staff are familiar with working in the desert landscape and preparing mitigation measures and design options to accommodate this unique environment.

San Diego

6265 Greenwich Drive, Suite 215

San Diego, CA 92122
(858) 748-2130

Altum’s San Diego office is home to staff in all divisions as well as the staff from ERB and Associates which merged with Altum in 2017 after 40 years of San Diego-based business. This location is situated in the University City part of San Diego, off the 805 Freeway. Staff service the entire San Diego County and have contracts with local government, high-end residential developers and car dealerships.

Agoura Hills

30141 Agoura Road, Suite 200
Agoura Hills, CA 91301
(760) 346-4750

Situated right off the 101 Freeway, Altum’s Agoura Hills office is strategically placed between Los Angeles and Ventura Counties; providing a local point of contact for clients and projects in those areas. Capitalizing on the growing interest in residential and infrastructure development in the region, Altum is able to offer a fresh mindset to local projects and bring unique ideas to the table.


Round Rock

PO Box 6493
Round Rock, TX 78683
(760) 641-1551

Our Round Rock location is the central point for our regional surveying services department. This location serves as the main headquarters for work in Texas, New Mexico, Oregon, Washington, Arizona, Colorado, Kentucky, Virginia, West Virginia, Tennessee, Maryland, and Georgia.

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