Popular Cities
We have 3 contractors in Union City on file; 2 of them are on this list, along with 22 from towns including Redwood City (11, 13 mi), Daly City (8, 25 mi) and Foster City (2, 14 mi).
9 open 24/7 · 19 open weekends · all 24 rated 4.5+ · 13 show a license
Data verified October 18, 2026
Listed for homeowners in and around Union City, CA, these 24 companies cover plumbing work. Hours, license claims and free estimate offers come from each company's own website, so confirm them on the phone before you agree to a visit for something already running.
The 24 contractors on this page are rated from 4.5 to 5.0 across 3,412 reviews; 10 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (94%), responsiveness (90%) and quality (85%). The topics that come up most in reviews of the contractors on this page are "price", "efficient" and "estimates". 9 are open around the clock; 19 are open on Saturdays and 17 on Sundays. The services the contractors on this page list most often on their websites are drain cleaning (2), drain installation (2), garbage disposal (2), gas lines (2) and hydrojetting (2). 13 show a license on their websites and 4 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 57 years. 13 offer emergency call-outs; 3 offer financing or payment plans; 10 give free estimates; 8 are family- or locally-owned and 7 list coupons or special offers. 2 have Spanish-speaking staff. We have a website on file for 23 of the contractors on this page; 20 publish a contact page and 7 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Union City is the base for 2 of the 24 listings here; the rest come from other towns within 30 mi. Plumbers work across a service area, so a neighboring base is normal. Ask how far the call-out area reaches and whether travel time is billed.
