The rancho's natural boundaries -- Adobe Creek and Stevens Creek -- remain significant features in the modern landscape. Both creeks flow from the Santa Cruz Mountains through the valley to San Francisco Bay, and their courses still define neighborhood boundaries and park borders. The land between them, gently rising from the Bay plain toward the mountains, supported Mesa's cattle operation and later became some of the most desirable residential property in the South Bay.

Rancho San Antonio County Park and Open Space Preserve, one of the most visited parks in the Midpeninsula Regional Open Space District, takes its name directly from Mesa's land grant. The park preserves a portion of the rancho's foothill terrain as public open space, offering trails that climb from the suburban edge into the mountains. The connection between the historical rancho and the modern park is not merely nominal -- the park occupies the same landscape that Mesa's cattle grazed, though oak woodland has reclaimed much of the former pasture.

The transformation of Rancho San Antonio de Padua from working ranch to suburban community to Silicon Valley neighborhood follows the standard trajectory of Santa Clara Valley land grants. Mesa's heirs subdivided the property after American acquisition. Orchards replaced cattle. Suburbs replaced orchards. Tech campuses replaced some suburbs. Through these changes, the land's fundamental character -- its gentle slope from valley to mountain, its creek-cut terrain, its Mediterranean climate -- has remained constant. It is the same land, used differently by each generation.