Second Harvest traces its origins to the mid-1970s, when a food bank serving Santa Clara County operated with the help of federal subsidies. A smaller counterpart served San Mateo County to the north. When federal funding was cut in 1984, both organizations were forced to rely solely on donations. Catholic Charities of San Mateo County stepped in to administer the smaller operation, but the arrangement was temporary. In October 1988, the two food banks merged to form the Second Harvest Food Bank of Santa Clara and San Mateo Counties - a single organization spanning the Peninsula from the bay to the coast. The merger was pragmatic: two small food banks competing for the same donor base made less sense than one large one with the reach to serve both counties. On July 30, 2019, the organization adopted its current name, Second Harvest of Silicon Valley, acknowledging the geographic reality that its service area had become synonymous with the tech industry surrounding it.

Feeding half a million people a month requires industrial-scale logistics. Second Harvest operates four distribution centers across the region. The 65,000-square-foot Curtner Center opened in San Jose in 1992 and has served as the organization's backbone for decades. In San Carlos, the 22,000-square-foot Peninsula Distribution Center - known as the Bing Center - opened in 1996 to serve communities on the San Mateo County side. The Cypress Center, which opened in 2012 in North San Jose, handles nothing but fresh produce, reflecting a shift toward healthier food distribution that many food banks have embraced. In 2021, Second Harvest announced plans to consolidate its three San Jose facilities into a single 250,000-square-foot complex on a 10.4-acre site in Alviso, the marshy neighborhood at the southern tip of San Francisco Bay. The Bing Center would remain in San Carlos, maintaining the organization's Peninsula reach.

When COVID-19 hit the Bay Area in early 2020, Second Harvest's client rolls surged. The organization was already serving hundreds of thousands; suddenly, people who had never needed food assistance were joining the lines. Restaurant workers, hotel staff, gig economy drivers - the vast service economy that supports Silicon Valley's tech workforce was suddenly without income, and many had no savings to fall back on. Second Harvest scaled to meet demand, distributing food to roughly 500,000 people per month at the pandemic's peak. But the crisis did not create the need; it exposed what was already there. The Bay Area's staggering cost of living - driven above all by the California housing shortage - had been pushing working families toward food insecurity for years. The pandemic simply removed the last margin of safety.

The demographics of Second Harvest's clients defy the stereotype of food bank dependence. Most families have at least one working parent. A quarter hold college degrees. These are not people who failed to plan or lacked ambition; they are people caught in the arithmetic of a region where a modest apartment can cost $3,000 a month and a gallon of milk costs noticeably more than the national average. Affiliated with Feeding America, the national network of food banks, and the California Association of Food Banks, Second Harvest ranks as the twelfth-largest food bank in the United States by revenue. In 1998, it became one of the first food banks to accept online monetary donations and grocery donations through Peapod, the early online grocer - a fitting innovation for an organization embedded in the heart of the tech industry. The technology that makes Silicon Valley rich also, in a small way, helps feed the people it has priced out.