42 Costco Stores in Ontario

Last updated March 26, 2026

StoreLocators tracks real-time inventory and location data for Costco and 180+ other retailers. If you sell products at Costco or other retail stores, our Shopify app can display in-stock store locations directly on your product pages—no manual uploads required.

Download all 42 Costco store locations in Ontario as a free CSV, including addresses, phone numbers, operating hours, and coordinates. This data is part of the largest free public directory of retail store locations, tracked in real-time by StoreLocators and updated daily.

	Address	City	State	Zip	Country	Phone	Hours
1	150 Kingston Rd E	Ajax	ON	L1Z 1E5	🇨🇦	(905) 619-6677	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
2	100 Legend Crt	Ancaster	ON	L9K 1J3	🇨🇦	(905) 304-0344	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
3	41 Mapleview Dr E	Barrie	ON	L4N 9A9	🇨🇦	(705) 728-2350	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
4	100 Biscayne Cres	Brampton	ON	L6W 4S1	🇨🇦	(905) 450-9300	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
5	175 Roy Boulevard	Brantford	ON	N3R 7K1	🇨🇦	(226) 401-0019	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
6	1225 Brant St	Burlington	ON	L7P 1X7	🇨🇦	(905) 336-6714	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
7	18182 Yonge St	East Gwillimbury	ON	L9N 0J3	🇨🇦	(905) 954-4733	Sun9AM–6PM Mon–Fri9AM–8:30PM Sat9AM–6PM
8	2260 Islington Ave	Etobicoke	ON	M9W 3W6	🇨🇦	(647) 805-8701	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
9	50 Queen Elizabeth Blvd	Etobicoke	ON	M8Z 1M1	🇨🇦	(416) 251-2832	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
10	1405 Blair Towers Place	Gloucester	ON	K1J 1A5	🇨🇦	(613) 691-7607	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
11	1900 Cyrville Rd	Gloucester	ON	K1B 1A5	🇨🇦	(343) 771-2100	Sun9AM–7PM Mon–Sat7AM–7PM
12	19 Elmira Rd S	Guelph	ON	N1K 0B6	🇨🇦	(519) 780-5700	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
13	770 Silver Seven Rd	Kanata	ON	K2V 0A1	🇨🇦	(613) 270-5550	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
14	1015 Centennial Dr	Kingston	ON	K7P 3B7	🇨🇦	(613) 549-2527	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
15	4438 King Ste East	Kitchener	ON	N2P 2G4	🇨🇦	(519) 650-3330	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
16	693 Wonderland Rd N	London	ON	N4H 4L1	🇨🇦	(519) 474-5301	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
17	3140 Dingman Drive	London	ON	N6E 3W8	🇨🇦	(519) 680-1027	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
18	1 Yorktech Dr	Markham	ON	L6G 1A6	🇨🇦	(905) 477-5718	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
19	65 Kirkham Dr	Markham	ON	L3S 0A9	🇨🇦	(905) 201-3502	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
20	5900 Rodeo Dr	Mississauga	ON	L5R 3S9	🇨🇦	(905) 568-4828	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
21	1570 Dundas Ste East	Mississauga	ON	L4X 1L4	🇨🇦	(905) 566-2400	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
22	3180 Laird Rd	Mississauga	ON	L5L 6A5	🇨🇦	(905) 828-3340	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
23	1849 Merivale Rd	Nepean	ON	K2G 1E3	🇨🇦	(613) 727-4786	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
24	4315 Strandherd Dr	Nepean	ON	K2J 6E5	🇨🇦	(613) 714-0913	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
25	107 Harry Walker Parkway S	Newmarket	ON	L3Y 7B3	🇨🇦	(289) 319-4500	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
26	7500 Pin Oak Drive	Niagara Falls	ON	L2H 3S7	🇨🇦	(365) 447-0200	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
27	100 Billy Bishop Way	North York	ON	M3K 2C8	🇨🇦	(416) 635-8175	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
28	625 University Ave	Orillia	ON	L3V 0Y7	🇨🇦	(705) 418-1706	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
29	100 Windfields Farm Dr E	Oshawa	ON	L1L 0R8	🇨🇦	(289) 316-4489	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
30	130 Ritson Rd North	Oshawa	ON	L1G 0A6	🇨🇦	(905) 404-4050	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
31	485 The Parkway	Peterborough	ON	K9J 0B3	🇨🇦	(705) 750-2600	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
32	35 John Birchall Rd	Richmond Hill	ON	L4S 0B2	🇨🇦	(905) 780-2100	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
33	50 Thermos Rd	Scarborough	ON	M1L 0E6	🇨🇦	(647) 484-5840	Sun9AM–7PM Mon–Sat7AM–7PM
34	1411 Warden Ave	Scarborough	ON	M1R 2S3	🇨🇦	(416) 288-0033	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
35	3 North Service Rd	St. Catharines	ON	L2N 7R1	🇨🇦	(289) 434-6011	Sun9AM–7PM Mon–Sat7AM–7PM
36	1330 South Service Rd	Stoney Creek	ON	L8E 5C5	🇨🇦	(289) 335-4820	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
37	1465 Kingsway	Sudbury	ON	P3B 0A5	🇨🇦	(705) 524-8255	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
38	42 Overlea Blvd	Toronto	ON	M4H 1B6	🇨🇦	(647) 265-9377	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
39	930 Erb St W	Waterloo	ON	N2J 3Z4	🇨🇦	(226) 215-1150	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
40	4411 Walker Rd	Windsor	ON	N8W 3T6	🇨🇦	(519) 972-1899	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
41	71 Colossus Dr	Woodbridge	ON	L4L 9J8	🇨🇦	(905) 264-8337	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM
42	55 New Huntington Rd	Woodbridge	ON	L4H 0S8	🇨🇦	(289) 459-0921	Sun9AM–7PM Mon–Fri9AM–8:30PM Sat9AM–7PM

Frequently Asked Questions

How many Costco stores are in Ontario?

There are 42 Costco store locations in Ontario, spread across 32 cities.

What cities in Ontario have a Costco?

Costco has locations in 32 cities in Ontario: Mississauga, Etobicoke, Gloucester, London, Markham, Nepean, Oshawa, Scarborough, Woodbridge, Ajax, and 22 more.

Where is the nearest Costco in Ontario?

The city with the most Costco locations in Ontario is Mississauga with 3 stores. Other popular areas include Etobicoke and Gloucester.

What are Costco store hours in Ontario?

Most Costco stores in Ontario are open 9AM to 8:30PM. However, hours may vary by location, so check individual store details for exact times.

Where else does Costco have stores?

Costco has store locations across 61 regions total. View all Costco locations to find a store near you.

Can I download a list of Costco stores in Ontario?

Yes, you can download Costco store data as a free CSV including addresses, phone numbers, hours, and coordinates for Ontario and all other locations. Data is updated daily. If you sell products at Costco or other retailers and run a Shopify or e-commerce store, StoreLocators can automatically track real-time in-stock inventory across 121,928+ retail locations and display it directly on your product pages—no manual uploads or developer help required.

Estimate your store count by adding retailers from the directory.

42 Costco Stores in Ontario

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