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McDonald's

3.7
(1,072 reviews)

Business Details

27 Union Square, Union City, CA
94587, United States
(510) 489-6080
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
27 Union Square, Union City, CA
94587, United States

Hours

Monday5:00 AM - 9:45 PM
Tuesday5:00 AM - 9:45 PM
Wednesday5:00 AM - 9:45 PM
Thursday5:00 AM - 9:45 PM
Friday5:00 AM - 9:45 PM
SaturdayOpen 24 Hours
Sunday5:00 AM - 9:45 PM

Menu

1 menu · 83 items

Explore offerings from McDonald's on 27 Union Square in Union City, with popular burgers, chicken & sandwiches, breakfast, and snacks & sides available at this location.

McDonald's

83 items

Reviews

3.7
1,072 reviews
5 stars
420
4 stars
258
3 stars
177
2 stars
68
1 star
149
  • RW
    Robin Wang
    Jun 28, 2026
    1.0
    There was a problem with my drive thru order and the cashier wouldn't elaborate. They closed the window on me and would only communicate in hand gestures. It ended with hands on hips silent staring. Gave up after a bit and left. Requested refund.
  • JJ
    Jewel
    Jun 26, 2026
    3.0
    I typically go to this location on Fridays before the library opens. The service is decent. The employees are kind, and very helpful. For some reason the screen for when your order is done is currently broken, and it has been for 2-3 weeks. In the morning it's not as busy, but there's a good amount of folks that dine in. It's near a park, and a high school, so during school year, it'll be packed with high schoolers in the afternoons. I normally get the Bacon, egg and cheese mcgriddle for breakfast. I also had the chicken mcgriddle today. The mcgriddles tasted a bit more sweeter, and the chicken was too spicy for my liking. The steak mcgriddle is better than the chicken, imo. I also normally get a caramel machiato. This time I had the iced instead of the hot. It was also too sweet even though I asked for extra ice and no extra sweeteners. What's a breakfast without hashbrowns? Idk cause I also had hashbrowns, and today something must've been wrong with the cook cause both of mine were burnt to a crisp. It was so crunchy. I didn't need the two hashbrowns cause the two mcgriddles made me full (but I am just off of work too, so a lot hungry). I would recommend this location, but be aware that this location is near the bart, so occasionally you'll get a mentally ill person in this location. There hasn't been any in a while, but don't be surprised if you do encounter them. The restroom is always clean just like the restaurant. I can not stand the paper straws, but there's ways around not using a straw. 😁
  • AS
    Ameya Shahane
    Jun 22, 2026
    1.0
    The ice cream tasted very stale and had a hair in it disgusting
  • D9
    DabKing 94.
    Jun 21, 2026
    4.0
    Ordered a medium quarter pounder meal recently at this location. The overall meal was pretty good. The burger tasted great, salt on the patty was nice, fries were hot and fresh. Despite having to wait (due to quarter pounder being cooked-to-order) it was an overall enjoyable experience.
  • JO
    Jireth Ortez
    Jun 16, 2026
    1.0
    I recently visited this McDonald’s in Union City and had a very disappointing experience. The service was extremely slow, and it took about 30 minutes to prepare a single hamburger. I only ordered one hamburger, so the wait time was unreasonable. The staff was not friendly and treated customers poorly. I understand that restaurants can get busy, but the lack of professionalism and excessive wait times made the experience frustrating. I hope management works on improving customer service and efficiency.

Frequently Asked Questions About McDonald's

What are the regular opening hours for McDonald's at 27 Union Square, Union City, CA?

McDonald's is open from 5:00 AM to 9:45 PM Monday through Friday and Sunday, and 24 hours on Saturday.

Does McDonald's at this location offer delivery services, and what are the delivery hours?

Yes, McDonald's offers delivery service from 5:15 AM to 1:45 AM Monday through Thursday and Sunday, and extended hours until 3:50 AM on Friday and Saturday.

Brand Certified Facts from McDonald's

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Certified July 05, 2026Yext Knowledge Graph
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