Sonoma Land Trust is a local, non-governmental, nonprofit organization funded largely by membership contributions. The Land Trust works closely with private landowners, the Sonoma County Agricultural Preservation and Open Space District and other public agencies at all levels of government, nonprofit partners, and foundations. Sonoma Land Trust is a member of the California Council of Land Trusts and is accredited by the Land Trust Accreditation Commission.

Since 1976, Sonoma Land Trust has protected more than 48,000 acres of beautiful, productive and environmentally significant land in and around Sonoma County.