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.
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.
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.
What types of payment does McDonald's in Diamond Bar accept?
They accept American Express, Android Pay, Apple Pay, Cash, Discover, Mastercard, and Visa.
What services are available at this McDonald's?
Services include drive-thru, gift cards, McDelivery, mobile offers, mobile ordering, and WiFi.
Where is this McDonald's located?
It is located at 205 South Diamond Bar Blvd, Diamond Bar, CA 91765, USA.
Can I order McDonald's delivery through a mobile app?
Yes, you can order delivery through the McDonald's App available on iOS and Android, or use the online ordering link.
What nearby food options can I find close to McDonald's at 205 South Diamond Bar Blvd?
Nearby food options include Carl's Jr., The Coffee Bean & Tea Leaf, Diamond Palace Chinese Seafood Restaurant, Sizzler Restaurants, Chipotle Mexican Grill, and Brown Rice Thai Restaurant.
Are there any beauty or wellness services near this McDonald's?
Yes, nearby options include Modified Beauty, Illumination Teeth Whitening, Phenix Salon Suites, Chantik Skin and Permanent Makeup, Lashes and brows beauty, Rachel's Hair Affair, Safe Haven Skin Care, and Browfessional Beauty.
What convenience stores and gas stations are near this McDonald's for quick stops?
Nearby places include Shell, 7-Eleven, Chevron, ExtraMile, and H&S Energy - Extra Mile gas stations and convenience stores.
Is there WiFi available at this McDonald's?
Yes, WiFi service is available at this McDonald's location.