Bay Area/ San Jose

Peninsula Open Space Trust Secures $23 Million Purchase of Sargent Ranch, Thwarting Quarry Plans and Preserving California Biodiversity and Cultural Heritage

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Published on January 29, 2026
Peninsula Open Space Trust Secures $23 Million Purchase of Sargent Ranch, Thwarting Quarry Plans and Preserving California Biodiversity and Cultural HeritageSource: Google Street View

In a move that slams the door on further development prospects, the Peninsula Open Space Trust (POST) has chalked up another win for conservation by purchasing a substantial 2,284-acre chunk of the Sargent Ranch for $23 million, a move that sets aside the plot previously earmarked for a contentious quarry operation, according to the POST's announcement and reporting by the San Francisco Chronicle.

This latest acquisition is part of a broader initiative that has seen the trust accumulate 6,114 acres of the 6,500-acre ranch, which is nestled in the southern reaches of Santa Clara County and not only epitomizes California's scenic beauty, with its oak-studded hills and serpentine grasslands, but is also a biodiversity hotspot teeming with species such as mountain lions and golden eagles, and the trust is already in contract to secure the remaining 386 acres by late 2026, according to POST President Gordon Clark, the scale and financial commitment of these combined purchases is historic, marking the most significant conservation purchase in POST's nearly 50-year history as detailed in statements obtained by the POST's press release.

Not only does the Sargent Ranch, which originally bears the name Rancho Juristac, hold ecological significance as an essential wildlife corridor connecting multiple mountain ranges, but it’s also a place with profound cultural and historical importance for the local Indigenous community—the Amah Mutsun Tribal Band—which recognizes the area as the sacred Juristac Tribal Cultural Landscape, a site of ancient ceremonies and spiritual significance, a fact echoed by the Amah Mutsun chairman Ed Ketchum, who imparted its history and the reverent connection the tribe maintains with the land.

While POST has currently halted any commercial development plans for Sargent Ranch, they are committed to the long-term goal of protecting the ecologically and culturally vital swath of land, with efforts to study and plan for its stewardship in collaboration with various partners including the Amah Mutsun Tribal Band, Santa Clara Valley Habitat Agency and others, pointing towards a future where conservation and the honor of native heritage may potentially converge, as indicated in comments by Marian Vernon, POST's wildlife linkages program manager affirming the acquisition's alignment with climate mitigation efforts and the enhancement of wildlife habitats, an effort that doesn't just serve the animals but resonates deeply with the cultural traditions of the Amah Mutsun people.

Funding for this conservation stride was made possible through a blend of sources including a $3.95 million injection from the Valley Water’s voter-approved Safe, Clean Water and Natural Flood Protection Program, a $1 million contribution from the Land Trust of Santa Cruz County, and the generosity of donors rallying behind POST's vision for the land, previously caught in the sights of developers for varied commercial uses ranging from golf courses to casinos; however, the area will now be preserved to foster native wildlife, maintain its biodiversity and protect its sacred cultural sites.