October 8, 2026
Diamond Bar Restaurant Week does not have a menu, a participant list or a coupon. The City's own page says no specials or coupons are needed, and every Diamond Bar eatery is automatically included. That makes the Oct. 12-18, 2026 week a rewards promotion, and it depends on a free account that a diner has to set up before the first meal.
The same is true of the fall events that remain on the City's calendar. The Halloween Party at Pantera Park caps its free goodie bags at 800 and closes registration on Oct. 23. October in Diamond Bar rewards the people who signed up early.
Most restaurant weeks build the event around a fixed-price menu. Diamond Bar's version has no fixed menu at all. A lunch at Pho Super Bowl, a dinner at Curry India Bistro and a Saturday order from Yupdduk all sit inside the promotion because they are Diamond Bar eateries. A Diamond Bar Blvd sandwich stop and a Golden Springs Drive dinner earn the same treatment.
The format has also been compressed. In 2023 the City ran Restaurant Week from Oct. 1 to Oct. 15, a two-week window. The 2024 edition ran Oct. 14-20, and the 2025 edition ran Oct. 13-19. The 2026 dates, Oct. 12-18, keep that Monday-to-Sunday single week. A diner now has seven days, one weekend and no second round.
The City's page describes the mechanics. You download the Open Rewards: Shop Local app from Bludot Technologies, create a free account and select Diamond Bar as your community. Then you either link a debit or credit card, which earns rewards automatically, or photograph your receipts and upload them later. Redemption is flexible. Rewards can go toward a future purchase at a participating Diamond Bar business, or you can request a payout through Venmo, PayPal, Zelle or check. So a dinner at one table can fund a purchase at a different business across town.
Open Rewards runs at a baseline of 5% on qualifying purchases. The program launched in 2024 under the City's Keep It Local: Shop Diamond Bar First campaign, and it costs nothing for shoppers or businesses. The City's Holiday Rewards Calendar adds 10% weeks tied to national food days, including tea, donuts, sushi, chocolate, ice cream, sandwiches, pizza and pho.
Restaurant Week sits above both. In 2024 the City advertised 20% back on dining purchases, plus a prize drawing for a gift card. The 2025 edition also offered 20%. As of Sept. 29, the City's Restaurant Week page still shows the 2025 details, so the 2026 rate is not yet posted there. Treat 20% as the rate from the last two years and confirm the current number on the City page or in the app before you plan a big dinner around it.
Set against the baseline, the difference looks like this:
| Dinner total | Everyday rate (5%) | Food-day week (10%) | Restaurant Week rate in 2024 and 2025 (20%) |
|---|---|---|---|
| $100 | $5 | $10 | $20 |
| $300 | $15 | $30 | $60 |
The table is simple multiplication. It shows that a birthday table of eight or a family gathering falls in a different category from a solo lunch once the rate quadruples. If the 2026 rate matches the last two years, a large group dinner moved into Oct. 12-18 earns four times the everyday return. Nothing about the restaurant changes. The week itself is what earns more.
The City's Special Events page shows a fall with fewer moving parts than earlier years. Concerts and Movies in the Park, held July 1-22, 2026, lists four concerts canceled and all eight movies eliminated. We covered how that shortened season worked in Diamond Bar's 2026 Concerts in the Park. The Winter Snow Fest and Craft Fair, set for Dec. 5, is marked canceled.
What remains for the fall is short. Restaurant Week is Oct. 12-18. The Halloween Party is Oct. 31. A Veterans Recognition Ceremony is Nov. 10, America Recycles Day is Nov. 14 and Senior Health Day is Nov. 18. State of the City is listed for October, with a date still to be determined. With few large gatherings on the list, the two that involve a sign-up carry more of the season.
The Halloween Party is the clearest example. It runs Saturday, Oct. 31 at 9 a.m. at Pantera Park, 738 Pantera Drive, near the dog park and basketball courts. It is a scare-free morning built for young children and dogs, with games, photo stations and costume contests for both people and pets. A vendor area of pet-related local businesses doubles as the trick-or-treating route.
The free goodie bags are for children ages 2 to 8, and only 800 are available. Getting one requires advance registration, which runs from Monday, Sept. 21 through Friday, Oct. 23 online at www.diamondbarca.gov/recregister using Activity Code 2878. The City ties the bags to advance registration, so the Oct. 23 deadline is the date that matters for families with young children.
The pumpkin contest has its own routine. It is open to all ages, with categories for Best Decorated and Best Carved, and designs must be family-friendly. The City's page says the entry form will be posted in early October, and pumpkins are turned in to event staff between 8:30 and 9 a.m. on the day of the party. That gives entrants a 30-minute drop-off window before the party starts.
Put together, the fall reads as a short list of dates:
The City says every dollar spent through the program stays in the community, and the rewards are designed to steer spending toward local businesses. For a diner, that mostly reduces the choice to a few steps. The account gets created once. After that, any Diamond Bar restaurant on any night that week counts, from a pho lunch to a coffee-and-pastry run to Paris Baguette on Golden Springs Drive.
Some pieces are still unpublished. The City has not released a list of participating restaurants, and no such list is needed because participation is automatic. The 2026 rewards rate is not on the page yet. The State of the City date is still to be set. Check diamondbarca.gov and the app for those updates as October approaches.
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