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McDonald's

3.9
(1112 reviews)

Business Details

(909) 598-4150
http://www.mcdonalds.com/

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
21095 Golden Springs Rd, Diamond Bar, CA
91789, United States

Hours

Reviews

3.9
1,112 reviews
5 stars
504
4 stars
251
3 stars
174
2 stars
67
1 star
116

What are people saying?

AI-generated from recent customer reviews

Service Issues

Many customers reported slow service, long wait times, and incorrect orders, particularly in the drive-thru.

Cleanliness

Several reviews mentioned dirty restrooms and unsanitary conditions, with some customers expressing dissatisfaction with the lack of cleaning.

Food Quality

While some customers enjoyed the food, there were complaints about cold fries, incorrect orders, and food not being fresh.

Customer Service

Mixed feedback on customer service, with some praising friendly staff while others reported rude interactions and poor communication.
  • RR
    Rexx
    4 days ago
    1.0
    Food was good however, cashier was annoyed with slow English customers.Got to be fair and talk to everyone the same.
  • MD
    Mark DUDLEY
    Feb 15, 2026
    1.0
    Nope I'm going to be silent
  • DW
    Dave White
    Jan 30, 2026
    2.0
    bad
  • HH
    Huang睿鈺(Ray)
    Jan 5, 2026
    5.0
    飲料裡面有蚊子🦟
  • AV
    Adrian V.
    Dec 18, 2025
    1.0
    Odd way to communicate with a customer, nowadays they take awhile to even look at the person counter side; the main issue was the fountain machine customers can get has no ice so I had to ask the people at the front for a drink, young guy came and got it as I was standing waiting this rude lady with a dark magenta/red shirt asked what I was waiting for, told her the guy was getting it, she said “he’s working drive through and is very busy are you sure”? Odd response talked in a very condescending tone she shouldn’t be even communicating with people talking like that

Frequently Asked Questions About McDonald's

What are McDonald's regular dining hours at 21095 Golden Springs Rd, Diamond Bar?

McDonald's at 21095 Golden Springs Rd is open from 5:00 AM to 11:00 PM Monday through Thursday, and 24 hours on Friday through Sunday.

When is the drive-thru available at this McDonald's location?

The drive-thru is open from 5:00 AM to midnight Monday through Thursday, and open 24 hours Friday through Sunday at this location.

Brand Certified Facts from McDonald's

This information is certified by McDonald's and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified March 01, 2026Yext Knowledge Graph
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