DeTilla & Associates
Arroyo Grande, CA 93420
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Our Story
Olson & DeTilla Associates is a land surveying, engineering, and land planning firm engaging in a fairly wide variety of projects primarily related to commercial, industrial and residential land development. As such, we are able to meet a wide range of your project needs.
Olson & DeTilla Associates and its predecessor Olson Surveying Service, have been meeting the needs of many clients in Southern California for over 50 years. While our territory includes Santa Barbara, Ventura, San Bernardino, Riverside, Orange and San Diego Counties, as well as a new office coming to San Luis Obispo County, we find ourselves most active in the southeast portion of Los Angeles County.
Olson & DeTilla Associates and its predecessor Olson Surveying Service, have been meeting the needs of many clients in Southern California for over 50 years. While our territory includes Santa Barbara, Ventura, San Bernardino, Riverside, Orange and San Diego Counties, as well as a new office coming to San Luis Obispo County, we find ourselves most active in the southeast portion of Los Angeles County.
We look forward to working with you.
What We Do
Commercial Experience
Regions & Counties Serviced
- California-Los Angeles and Vicinity
California 30
- Amador
- Butte
- Calaveras
- El Dorado
- Fresno
- Imperial
- Kern
- Kings
- Los Angeles
- Madera
- Mariposa
- Merced
- Orange
- Plumas
- Riverside
- Sacramento
- San Bernardino
- San Diego
- San Joaquin
- San Luis Obispo
- Santa Barbara
- Shasta
- Stanislaus
- Sutter
- Tehama
- Tulare
- Tuolumne
- Ventura
- Yolo
- Yuba
