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Restaurant

1/3 HAMBURGER FACTORY: Gourmet Smash Burgers

1/3 HAMBURGER FACTORY

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Photos: Tabelog

Updated October 7, 2026

A suburban-style burger joint in Kanazawa serving thick, coarse-grind smash burgers. It's known for its juicy patties, creative cheese combinations, and a relaxed, dog-friendly terrace with its own lawn.

Price range$$$$$
Tabelog rating3.73 / 5223 ratingsExcellent — roughly the top few percent nationwideJapanese diners rate strictly — 3.5 is excellent, 4.0 exceptional.View on Tabelog
Book via Tabelog

Next table: tomorrow at 17:00 for 2 people

  • 17:00
  • 17:15
  • 17:30
  • 17:45
  • 18:00
  • 18:15
  • 18:30
  • 18:45
  • 19:00
Opening hoursMon–Fri 11:00–16:00 (last order 15:00) & 17:00–20:00 (last order 19:30), Sat–Sun & public holidays 11:00–20:00. Closing days are not fixed.
Phone076-208-3393
Address4-1125 Unedahigashi, Kanazawa-shi, Ishikawa
MapOpen on map →
Websitehttp://3bun-1.com/ →

1/3 HAMBURGER FACTORY (ワンサードハンバーガーファクトリー) brings an American suburban vibe to Kanazawa, serving up substantial gourmet burgers from a standalone shop complete with a lawn, a dog-friendly terrace, and its own parking lot. The main event is the thick, coarse-grind beef patty, smashed on the grill for a satisfying crust, served on a custom-made bready bun that holds up to the generous fillings.

Guests consistently praise the juicy, meat-forward patties and the well-balanced sauces. Standout dishes frequently mentioned in reviews include the hefty Avocado Cheese Burger, the New York-inspired Cheese Popai (with spinach), and the classic Bacon-Egg-Cheese. Portions are large, and extras like good milkshakes and free soft drink refills with sets add to the appeal. Staff are noted as being friendly and helpful, often explaining to first-timers the best way to tackle the tall burgers.

The main caveats are practical ones. Several reviewers find it slightly expensive for a burger, and the large size makes them messy to eat—using the provided paper wrappers is recommended. A few guests also found the fries underwhelming. Expect a short wait for a table during peak lunch and dinner hours.

A typical meal for lunch or dinner costs between ¥2,000 and ¥2,999. Reviewers recently paid around ¥1,800 for an Avocado Cheese Burger and ¥1,900 for a Bacon-Egg-Cheese burger. Adding a set with potatoes and a refillable soft drink costs about ¥500. Most agree that the quality and size of the burgers offer good value for the price, though it's not a budget meal.

  • Getting There: The restaurant is located about a 15-minute drive from Kanazawa Station.
  • Booking: Walk-ins are welcome, but short waits are common at peak times. Table reservations are accepted for dinner between 17:00 and 19:00.
  • Payment: Credit cards (VISA, Master, JCB, AMEX) and PayPay are accepted. Electronic money is not.
  • Seating: There are 17 seats, including a five-seat counter and several tables.
  • Families: Children are welcome, and a kids' set is available for younger diners.
  • Parking: Free parking is available for 10 cars.
  • Smoking: The entire restaurant is non-smoking.
  • Pets: The outdoor lawn and terrace area are dog-friendly.
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