Always Expect TIMELESS TRADITION

Since 1961, Jim’s Burger Haven has been home to Colorado’s original six-inch smash burger—a juicy, flavorful classic that’s stood the test of time. Founded by Jim and Arlene Moser in the heart of Thornton, Colorado, our family-owned burger joint quickly became a neighborhood staple, serving up old-school American diner favorites in a warm, welcoming setting. For over six decades, generations of locals and visitors alike have gathered at Jim’s for fresh, made-to-order burgers, hand-cut fries, creamy milkshakes, and nostalgic comfort food that never goes out of style. Whether you're stopping by for a quick bite or bringing the whole crew, Jim’s Burger Haven is where timeless tradition and unbeatable taste come together.

Experience a true piece of Colorado burger history—
Jim’s Burger Haven: Where Smash Burgers Are Born.