Ynitia's grant made him unique on the entire northern frontier of Alta California. He was the only Native American to secure a large Mexican land grant and hold it. The name Olompali itself comes from the Coast Miwok language, meaning southern village or southern people -- a reminder that this was indigenous geography long before it was Mexican real estate. The adobe house Ynitia built around 1837, possibly from bricks salvaged from his father's earlier adobe, became the only adobe home in Marin County. It also became a site of war. In June 1846, during the Bear Flag Revolt, American settlers and Mexican soldiers clashed at Ynitia's rancho in what would prove the revolt's only real battle. Ynitia himself navigated this upheaval with the same pragmatism that had won him the land grant in the first place.

When California passed to the United States after the Mexican-American War, the 1848 Treaty of Guadalupe Hidalgo promised that existing land grants would be honored. The reality was slower and more bureaucratic than the treaty implied. The Land Act of 1851 required every grant holder to file a claim with the Public Land Commission and prove legitimacy -- a process that assumed guilt until innocence was demonstrated, and that ruined many Californio and Native landowners who could not afford years of legal fees. Ynitia filed his claim in 1852. A decade later, in 1862, the grant was finally patented in his name. But by then, the economics of holding nearly nine thousand acres had already overtaken him.

In 1852, the same year he filed his land claim, Ynitia sold most of Rancho Olompali to James Black, who already held the neighboring Rancho Canada de Jonive and was assembling one of the largest landholdings in Marin County. Black's family wove itself deeply into the property's next chapter. His daughter Mary married Dr. Galen Burdell, whose name would attach to the land for generations. The family's story had its own dark turns: Black's wife, Maria Agustina Sais, died in Dr. Burdell's dental chair in 1864 -- a detail that survives in the historical record without further explanation. Two years later Black married Maria Loreto Duarte, the widow of Ygnacio Pacheco. He died in 1870, and the Burdell family continued to shape the ranch.

Today, Olompali State Historic Park preserves a compressed archaeological record that few California sites can match. The Coast Miwok presence reaches back millennia. Ynitia's adobe walls, reinforced and partially rebuilt over the decades, remain the oldest surviving residential structure in the county. The Burdell era left a Victorian ranch complex. In the 1960s, the Grateful Dead played at a commune that briefly occupied the property -- a counterculture chapter as improbable as any that came before. Walking the park's trails, visitors pass from reconstructed Miwok village structures to the adobe ruins to ornamental gardens planted by the Burdells, all within a few hundred yards. Each layer tells a different story about who had the power to call this land theirs, and what that claim cost.