Logo - Sierra Social Services Inc. - Developmental Disabilities 


Compassionate Nonprofit Organization

For more than ten years, the caring team at our nonprofit organization has provided the utmost dedication to the developmentally disabled of the Alameda and Contra Costa County, San Francisco County and Santa Clara. We're in the process to extend services to Valley Mountain Regional Center and other California regional centers.

Sierra Social Services Inc. possesses an unmatchable speed in completing an initial assessment for a new consumer. Each person has a complete support system that focuses on improving their quality of life through consistency and advocacy efforts. We serve you as a person, not only based on your service plan. Sierra Services Inc. does everything possible to enhance your quality of life. 

Helping the Community!

Contact us to help those less fortunate by supporting our nonprofit organization.