Donate Today

Open Space STL’s conservation efforts are made possible by generous community donors like you. We thank you for your support!

If you would like to donate in memory of a loved one, please do so here. Or learn more about how to become a member below:

When you become a member of Open Space STL, you make a financial contribution to conserve and improve our region’s environment for generations to come. Your annual membership supports on-the-ground programs like Operation Clean Stream and Trash Bash, helps create new public open spaces through our land trust, and connects volunteers throughout the region to hands-on habitat restoration opportunities through Operation Wild Lands and Community Stewardship Alliance.

Annual memberships are available at several different levels, seen below. You can also make your membership monthly sustaining membership gift by selecting the recurring option here.

Annual memberships are a great gift for the conservationist in your life. By gifting a membership to your friends and family you can share your love of conservation in St. Louis directly and help them learn about events that support our local parks and open spaces. Choose from the membership levels below or make it a monthly donation that keeps giving all year long. Gift a membership by selecting the option here

Your membership helps pay for tools, native plants, waste disposal of trash and tires at river cleanups, and volunteer coordination. Your membership also helps fund the purchase and conservation of new public lands and advocacy efforts to protect open spaces in our region. 

$25 – Basic Membership

$50 – Operation Wild Lands Steward
Did you know? $50 plants 75 willow stakes in the Meramec Watershed!

$100 – Operation Clean Stream Steward
Did you know? $100 correctly disposes of 10 large legacy truck tires at Operation Clean Stream!

$250 – Open Space Council Sustainer
Did you know? Your sustaining gift helps cover important expenses related to coordinating 2,000+ volunteers each year, including staffing and event insurance.

$500 – Public Lands Advocate
Did you know? Open Space STL is proud to play a key role in protecting our region’s public lands through advocacy initiatives like the Yes For Our Parks campaign in 2018.

$1,000 – Parks Conservation Supporter
Did you know? With the support of individuals like you, we are able to purchase & conserve valuable parcels.

$1,001 and up – Open Space Council Champion
Your gift directly builds a legacy of quality open spaces in the St. Louis region to be preserved & enjoyed for future generations.

Memberships can be paid online via the Paypal hyperlinks above, by Venmo @OpenSpaceSTL, or by mailing a check to:

The Open Space Council P.O. Box 220011 Saint Louis, MO 63122


Please find our donor privacy policy here.

OSC is a Better Business Bureau accredited charity with an A+ rating. Find out more here.

Find the Open Space Council’s most recent 990 here.
Or access our Full 2021 Financial Report here.

Employer Matching: Many companies have a matching gift program where the company will match an employee or retiree’s membership donation to the Open Space Council. Contact your human resources department to request a matching gift form from your employer. Complete the donor section and then send it to: The Open Space Council P.O. Box 220011 Saint Louis, MO 63122