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MR.SUB

4.3
(425 reviews)
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Business Details

102 King St N, Waterloo, ON
N2J 2X6, Canada
(519) 884-7313
https://locations.mrsub.ca/on/waterloo/102-king-st-n

About

Sandwich RestaurantTake Out Restaurant
MR.SUB is a Canadian-owned and operated fast food restaurant, serving freshly made subs, wraps, salads, and other comfort foods for over 50 years. Best known for our iconic Assorted Sub and signature ’68 Sauce, we’re committed to crafting your favourite sandwiches using quality, fresh ingredients you can feel good about. Choose from a wide variety of flavourful sub sandwiches, including vegetarian and keto-friendly options – all fully customizable with bread baked in-house daily, premium proteins, crisp vegetables, and a range of tasty toppings. Whether you’re after a classic cold cut or a hot grilled sub, MR.SUB offers something for every craving. Visit your local MR.SUB today - available for dine-in, take out, or delivery.

Location

MR.SUB
102 King St N, Waterloo, ON
N2J 2X6, Canada

Hours

Reviews

4.3
425 reviews
5 stars
296
4 stars
62
3 stars
15
2 stars
11
1 star
41

What are people saying?

AI-generated from recent customer reviews

Food Quality

Mixed reviews on food quality; some customers praised the freshness and taste, while others reported issues with portion sizes and undercooked items.

Customer Service

Generally positive feedback on customer service, with many praising the friendliness and attentiveness of staff, though some reported rude behavior from employees.

Order Accuracy

Significant concerns about order accuracy and portion sizes, with multiple customers noting missing items and skimpy toppings.

Cleanliness and Facilities

The location is often described as clean, but there are complaints about the restroom being closed to customers.
  • PP
    Penelope Parker
    Feb 17, 2026
    1.0
    First-time customer ordering through delivery. One item was completely missing. Cookies were undercooked (photographed). A heated sandwich was delivered unheated and soggy. Loaded tots were overwhelmingly onions with minimal balance and not as described. The food was largely inedible and documentation was provided immediately. Based on this experience, quality control and order accuracy require significant improvement.
  • RP
    Riddhi Patel
    Jan 3, 2026
    1.0
    Does not fill sub properly like other locations. I got 4 olives in my sub and only on like of sauce.
  • AC
    Aidan Chartrand
    Dec 15, 2025
    4.0
    Honestly Ive ordered here a few times now and its VERY skimpy when it comes to sauce and toppings and I do mean VERY ive asked for many types of sauce after the first time as holy they literally don't add much at all its very dry and olives? You get like 5 on the entire sub same with all the other toppings that being said it tastes good and its a great deal when it comes to ubereats buy one get one so I just hope if you buy it full price they actually put some effort into the toppings and sauce anyways 3/5 for me.
  • LR
    Lucas Rodriguez
    Dec 9, 2025
    5.0
    Very nice lady and great customer service.
  • CH
    Clinton Heffernan
    Dec 4, 2025
    5.0
    Love the food and service but the parking lot and building could use a refresh, both in and out
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Brand Certified Facts from MR.SUB

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Certified March 01, 2026Yext Knowledge Graph
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