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Community Partner Pioneer Market

Pioneer Market

Pioneer Market, Mariposa’s only grocery store, is a full-service, fully stocked supermarket with small-town charm and friendly service.

Whether you are a tourist stocking up for a visit to Yosemite National Park or a local picking up a roast chicken after work, Pioneer Market has you covered.

When you shop at Pioneer Market, you are supporting a local family-owned business that has a long history of giving back to the community.

It all started in 1980 when Dieter and Diane Dubberke formed the Triple D Corporation and constructed Mariposa’s Pioneer Shopping Center, the first location of Pioneer Market.

The market later moved to 5034 Coakley Cir., its present location, where a new 28,000-square-foot store was built. Pioneer Market has grown and expanded since the move, adding a deli, fresh bakery, florist with delivery service and a pharmacy.

Dieter Dubberke, a German immigrant, firmly believed in giving back to the community that supported the family business, and the family has assisted with or sponsored almost all Mariposa events and fundraisers. For example, he created the Pioneer Market Sports Challenge program, benefiting Mariposa County High School’s athletic program by donating a percentage of sales receipts.

To honor Mariposa veterans and express his appreciation for the United States, Dieter had a flagpole installed at the top of the Pioneer Shopping Center, flying the American flag daily over Mariposa.

The Dubberkes have four sons; Jason, the youngest, stayed in Mariposa to work at the market, becoming a partner in 2003. Lance, a physician, lives in Baltimore. Loren, a pastor, lives in Fresno. Brian lives in Merced and assists Jason with the market.

After his father’s death in 2014, Jason took over operations for Pioneer Market in Mariposa, the second market in Waterford, Yosemite Liquors, Grizzly Gas and other enterprises. Jason has continued the family tradition of supporting the community.

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