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Public toilets and restrooms in Union City, CA
Union City has 16 restrooms on the map: 8 open to the public and 8 in businesses for customers. 2 are confirmed free and 1 is open 24 hours.
Highest-rated first. Updated November 5, 2026.
All of California
Public restrooms
Customers-only restrooms
Stores, cafés, and restaurants that usually let customers use the restroom. Buy something or ask staff first.
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Lowe's
Business (ask staff) · No ratings yet
32040 Union Landing Boulevard, Union City, CA 94587
Customers only
Mo-Sa 06:00-21:00; Su 07:00-20:00
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McDonald's
Business (ask staff) · No ratings yet
27 Union Square, Union City, CA 94587-3557
Customers only
05:00-21:00
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McDonald's
Business (ask staff) · No ratings yet
30600 Union Landing Boulevard, Union City, CA 94587
Customers only
24/7
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Starbucks
Business (ask staff) · No ratings yet
32340 Alvarado Boulevard, Union City, CA 94587
Customers only
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Starbucks
Business (ask staff) · No ratings yet
1790 Decoto Road, Union City, CA 94587
Customers only
Mo-Su 05:00-19:00
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Starbucks
Business (ask staff) · No ratings yet
32240 Dyer Street, Union City, CA 94587
Customers only
Mo-Su 04:30-00:00; Fr-Sa 04:30-01:00
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The Home Depot
Business (ask staff) · No ratings yet
30055 Industrial Parkway Southwest, Union City, CA 94587
Customers only
Mo-Sa 06:00-22:00; Su 07:00-20:00
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Walmart
Business (ask staff) · No ratings yet
30600 Union Landing Boulevard, Union City, CA 94587
Customers only
Mo-Su 06:00-24:00
Nearby cities
Hayward (11)
Fremont (49)
Fairview (8)
El Cerrito (8)
Castro Valley (14)
Sunol (3)
San Leandro (12)
Alameda County (54)