Mountain Shadows Support Group

Mountain Shadows Support Group We operate 30 sites throughout San Diego & Riverside counties providing services for 260 persons with intellectual disabilities. Go to: www.MtnShadows.org

11/17/2025
A heartfelt thank you to the dedicated volunteers of Mountain Shadows. Your generosity and selflessness empower us to co...
11/14/2025

A heartfelt thank you to the dedicated volunteers of Mountain Shadows. Your generosity and selflessness empower us to continue our mission with passion and purpose. We couldn't do it without your invaluable contributions!

Let's give a special shoutout to our Ancillary Programs—Outreach Services, New Beginnings, and the Transportation Depart...
11/12/2025

Let's give a special shoutout to our Ancillary Programs—Outreach Services, New Beginnings, and the Transportation Department! Your tireless efforts help us connect with and support our community every single day. Thank you for making a profound difference in so many lives!

Throughout the month of November, we are thrilled to recognize the amazing departments, teams and groups that make Mount...
11/01/2025

Throughout the month of November, we are thrilled to recognize the amazing departments, teams and groups that make Mountain Shadows a beacon of exceptional service and care. From our dedicated staff to the families, friends, donors, and volunteers, it truly takes a village to create one of the best service providers in the state.
Join us as we express our heartfelt gratitude to everyone who contributes to the vibrant Mountain Shadows community.

11/01/2025

Welcome to the Carn-evil! Come in if you dare! Our participants at Mountain Shadows Outreach Services (MSOS) had a mighty gourd time at the haunted house today! 👻🎃

What a spooktacular evening at our Trunk or Treat event! A massive thank you to all our incredible volunteers who hosted...
10/24/2025

What a spooktacular evening at our Trunk or Treat event! A massive thank you to all our incredible volunteers who hosted trunks and to our dedicated staff for supporting our residents. Your enthusiasm and creativity truly made the event unforgettable! Special thanks to our employees who joined us with family and friends, adding even more joy to the festivities. And a special shoutout to our residents for showcasing some amazing costumes. You all brought the spirit of Halloween to life! Happy Halloween, everyone!

Address

970 Los Vallecitos Boulevard
San Marcos, CA
92069

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(760) 743-3714

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Our Story

AT MOUNTAIN SHADOWS SUPPORT GROUP OUR MISSION IS DEDICATED TO PROVIDING A SECURE, FAMILY ENVIRONMENT THAT FOSTERS ENRICHING RELATIONSHIPS, INDEPENDENCE AND GROWTH TO INDIVIDUALS WITHIN THE COMMUNITY.