Landscape Photo
Protected Lands Map


New Acquisitions: In June, a purchase of 228 acres adjacent to the southern boundary of Rancho Cañada del Oro Open Space Preservefor $572,450. Two earlier purchases in March and April of 2010 totaled 380 acres and cost $3,656,000. One property is located on the southern edge of Rancho CaƱada del Oro; the other is on the western edge of Coyote Valley. View these 3 purchases on the Western Watershed study area map.


Current Acquisition Totals
Acres protected
xxxTitle ownership
xxxEasement purchase
xxxEasement contribution
xxxPurchase & transfer sale
xxxMitigation management
Dollars spent


Buying undeveloped land offers the most permanent form of open space preservation and is the major means OSA uses to protect environmental resources. Occasionally circumstances prevent a fee purchase of land with significant agricultural or scenic value. In that instance OSA may obtain an easement that limits land uses that might injure or destroy the protected open space assets.

To determine the types and relative importance of resources to be preserved, the Authority divided the area of the county within OSA boundaries into 10 areas for study. This process enabled the Authority to identify general preservation priorities and goals. Properties being considered for acquisition are evaluated on the basis of these conservation criteria.

Besides protecting land by title purchase the Open Space Authority also contributes funding to the preservation efforts of other organizations. In addition, OSA manages conservation lands purchased by companies or public agencies to offset, or mitigate, the impacts of their building projects.