McDonald's

3.7
1469 reviews

About

Fast Food RestaurantRestaurantBreakfast RestaurantCoffee ShopBurger JointSandwich RestaurantMcDonald's
McDonald’s USA, LLC, serves a variety of menu options made with quality ingredients to millions of customers every day. Ninety-five percent of McDonald’s approximately 13,500 U.S. restaurants are owned and operated by independent business owners. For more information, visit www.mcdonalds.com, and follow us on social: X, Instagram, TikTok and Facebook.

Details

  • Drive-throughAvailable

Location

McDonald's
205 South Diamond Bar Blvd, Diamond Bar, CA
91765, United States

Hours

Reviews

3.7
1,469 reviews
5 stars
614
4 stars
322
3 stars
221
2 stars
104
1 star
208

What are people saying?

AI-generated from recent customer reviews

Service Issues

Multiple reviews highlighted rude staff and poor customer service experiences, with specific mentions of employees being indifferent or unhelpful.

Order Accuracy

Customers frequently reported issues with incorrect orders, missing items, and modifications not being followed.

Speed of Service

Many reviews noted long wait times for food, both in the drive-thru and inside the restaurant, with some customers expressing frustration over delays.

Cleanliness

While some customers appreciated the cleanliness of the dining area, others pointed out dirty tables and unsanitary conditions in the bathrooms.

Overall Experience

The overall sentiment was mixed, with some customers enjoying their meals and service, while others expressed dissatisfaction with various aspects of their experience.
  • MR
    Maggie Ryan
    1 day ago
    5.0
    Such a nice set of staff members!!
  • DI
    david ibarra
    Dec 31, 2025
    1.0
    They where closes but in Google maps open
  • CG
    Cesar Garcia
    Dec 22, 2025
    2.0
    Ordered a mac chicken and the bun was cold. The chicken had a bone inside. Asked for no mayo got mayo. gave me a greedy amount of lettuce. asked to remake it and made it the same .
  • JM
    Jennifer Moreno
    Dec 17, 2025
    2.0
    Rating a 2 because Mary is so rude. Don’t work customer service if you hate it. Natalie was super nice after I explained to her how rude Mary was.
  • BL
    BRENDA Lopez
    Dec 3, 2025
    1.0
    Took 41 minutes for our food 😭

Frequently Asked Questions About McDonald's

What are McDonald's delivery hours in Diamond Bar, CA?

Delivery is available from 5:00 AM to 11:50 PM Monday through Thursday and Sunday, from 5:00 AM Friday to 3:59 AM Saturday, and all day Saturday from 4:00 AM to 3:59 AM Sunday.

Does this McDonald's location have a drive-through, and when is it open?

Yes, this McDonald's has a drive-through open 24 hours a day, seven days a week.