Anza-Borrego Foundation is a 501(c)(3) nonprofit education organization (EIN #33-0334338). We use donations effectively to conserve land, educate the public, and provide direct support to Anza-Borrego Desert State Park. We want our donors and members to be confident in their decision to give to ABF and so our latest tax returns are available for you to download here. Previous years’ returns are available to view on Guidestar.org.


Membership starts at $35/year – an affordable way to give to the Park you love. With membership you will receive insider knowledge of ABF, discounts on events, access to members-only hikes and discounts on Visitor Center and State Park Store merchandise. All membership levels include the entire household.

Join our Century Circle   

Century Circle members are among the most committed supporters of Anza-Borrego Desert State Park. They appreciate all the desert has to offer and invest in the long-term preservation and growth of California’s largest state park. Our Century Circle members live near and far, visit often or even once a year. What brings us together is our strong affection for this special place and a desire to share it with others. Learn more about Century Circle. 


Anza-Borrego Desert State Park is in need of your help to stay open, protected, and accessible to all. Your donation to Anza-Borrego Foundation will provide much-needed funding to conserve land in the park, fund education programs, and keep services running. Use your credit or debit card online or send by mail to Anza-Borrego Foundation PO Box 2001, Borrego Springs, CA 92004

Leave a Legacy

Leave a “forever gift” by designating Anza-Borrego Foundation as the beneficiary of your asset by will, trust or other instruments. Your legacy gift ensures that the wonders of the Park are here to contemplate and cherish for generations to come! Learn more about joining our Legacy Society.

Donate Your Unwanted Vehicle

A hassle free, feel good way to get rid of that old car. Donate it to ABF! It is tax deductible and the vehicle will be picked up for you. Learn more about donating your car.


Our committed volunteers can be credited with much of what is achieved at ABF and in the Park. Let us know if you have other talents you’d like to share and we’ll place you in the right spot! There is no minimum time commitment, and you can tailor participation to your areas of interest. Check out our volunteer opportunities for more details or contact Jaime Purinton (link sends e-mail) to learn how you can get involved.

Make a Gift of Stock or Property

Decrease your tax liability without impacting your cash flow. Contact Bri Fordem(link sends e-mail), Donor Relations Manager, to make a gift that is easy on you and meets your philanthropic goals.

Make a gift in Honor or Memoria

Recognize family and friends with a special gift. Contact Bri Fordem(link sends e-mail) or you can simply click on the donate now button.

Make a Gift at your Workplace

Give to ABF through EarthShare of California, United Way or the Combined Federal Campaign. Don’t see us on your pledge form? Enter our EIN# 33-0334338 and Address: PO Box 2001, Borrego Springs, CA 92004

Employer Matching

Does your employer have a matching gifts program? Contact your Human Resources department to learn how to double your gift to ABF.

Support ABF Through Things You Already Do:

Want to get rid of your junk mail?

Go to 41Pounds.org – Reduce your junk and support Anza-Borrego Desert State Park.

Shop Amazon?

Smile bigger while shopping at Amazon, knowing that .5% of your purchases go directly to Anza-Borrego Foundation to support Anza-Borrego Desert State Park.

ABF is a reviewed by guidestar.org through Better Giving and you can view our financial information here. You may also view our 2014 IRS 990 tax return here.