Not every great restaurant is born in a commercial kitchen — sometimes it starts with two old friends, an old building, and one phone call that changes everything.
Billy Roy’s Burger Co. in Fremont, California, is exactly that story: a locally owned burger restaurant in Fremont, CA, that transformed a former car dealership on Thornton Avenue into one of the Bay Area’s most talked-about burger destinations — and it’s been packing tables ever since. 🤝🍔
How Billy Roy’s Won Fremont’s Hearts
The name says it all — Billy Roy’s is literally named after two friends. William “Bill” Sinodinos and Roy Lagorio have known each other for over 30 years, with Bill first working alongside Roy back in 1989 at Dino’s Family Restaurant — starting as a dishwasher and eventually taking over the kitchen.
Decades later, the friendship was still going strong — and so was the ambition. When Roy’s property on Thornton Avenue became available after a car dealership vacated, it was Roy who had the vision.
“Let’s open a restaurant,” he told Bill. The idea took root, and Billy Roy’s Burger Co. was born — a community-driven burger joint in the Bay Area built on decades of trust, loyalty, and a deep love for feeding people well. 🏡
The family element runs just as deep as the friendship. Bill’s own daughter and son — who had already launched a restaurant of their own — jumped in immediately, with his daughter spending six months on-site every single day, showing the team the ins and outs of the business from the ground up.
That kind of community investment doesn’t stop at the family table, either. Billy Roy’s regularly cooks food for local schools, hosts events for American High School and Newark High School athletic teams, and opens their spacious outdoor patio to city events, softball leagues, and soccer clubs — all free of charge.
From the outside patio buzzing with Little League fundraisers to the dining room packed with regulars on a Tuesday afternoon, Billy Roy’s is a best burger spot Fremont locals point to with genuine pride — the kind of place you feel good about spending your money in.
Food Highlights
- The Haystack: Haystack onion, peppered bacon, Pepper Jack cheese, and sweet BBQ sauce — crunchy, smoky, and stacked high.
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The Billy Roy: Thousand Island and American cheese on a classic beef patty — the signature burger that bears the restaurant’s name. 🍔
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El Diablo: Pepper Jack cheese, guacamole, peppered bacon, pickled jalapeño, and tomatillo salsa. 🌶️
- The Butcher’s Cut: A 6 oz. Ribeye patty with haystack onion, A-1 aioli, and Pepper Jack cheese — the crown jewel of the menu. 🥩
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Cattle Smash: A smash-style beef patty with crispy, caramelized edges — for purists who believe the smash burger is king. 🔥
- The Gourmet Garden: A Beyond plant-based patty with guacamole. 🌱
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1948 Farmers Burger: A beef and bacon-pork chop grind patty, smoked Cheddar, bacon smoked ranch, and haystack onions. 🌾
- The Sweet and Swine: Angus beef, Swiss cheese, grilled pineapple, pulled pork, and teriyaki glaze — a tropical-meets-smokehouse mashup. 🍍🐷
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Sliders: Three pretzel bun sliders with American cheese, mayo, and pickle, served with a side of jalapeño beer cheese. 🍺
Atmosphere
Billy Roy’s is warm, lively, and unmistakably community-owned — a spacious, well-laid-out dining room with comfortable booths, a friendly counter service flow, and the kind of staff that actually checks in on you mid-meal. ☀️
The outdoor patio is a true extension of the restaurant’s spirit — regularly host to local school fundraisers, city events, and neighborhood gatherings that make it feel less like a restaurant and more like a community living room.
Inside, the energy is casual and welcoming — families, couples, solo diners, and local sports teams all coexist naturally in a space that was clearly designed with the whole neighborhood in mind.
Bottom Line
Billy Roy’s is a 30-year friendship turned into Fremont’s finest burger institution — community-rooted, family-supported, and loaded with creative, craveable burgers from a kitchen that clearly loves what it does. This is the Bay Area burger gem you didn’t know you needed. 🍔❤️
Address:
3909 Thornton Ave, Fremont, CA 94536
📞 (510) 468-1600
🕔 Mon–Thu & Sun: 11:00 AM–8:00 PM | Fri–Sat: 11:00 AM–9:00 PM