The Midpen administrative office is open 8:30 a.m. to 5 p.m. Monday through Friday. You are always welcome to stop by to pick up trail brochures, volunteer information, agendas, and other information.
Administrative Office
5050 El Camino Real
Los Altos, CA 94022-1530
You can also reach us by phone: 650-691-1200; fax: 650-691-0485 or e-mail: info@openspace.org
Emergency Contact Information
To report an emergency on a Midpen preserve, call 911 to report:
- A medical, police, fire or other emergencies
- In-progress suspicious activity or crime
- A missing person
- Any urgent situation for which you need immediate assistance
Please have the name of the preserve and your location (ex. the trail you are on, or if you’re in a parking area) available to assist the dispatcher in sending you the appropriate resources.
To report maintenance needs, or for routine questions or information, call our Administrative Office at 650-691-1200. This number is answered during regular business hours, and voice mail is available outside of regular hours. E-mail can also be sent to info@openspace.org.
Holiday Closures
The office will be closed on the following federal holidays in 2023:
Monday, January 2 (New Year's Day), Monday, January 16 (Martin Luther King, Jr. Day); Monday, February 20 (Presidents' Day); Monday, May 29 (Memorial Day); Monday, June 19 (Juneteenth); Tuesday, July 4 (Independence Day); Monday, September 4 (Labor Day); Friday, November 10 (Veteran's Day); November 23-24 (Thanksgiving); Monday, December 25 - Monday, January 1, 2023 (Holiday closure).
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