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    Average homeowner rating
  • Verified reviews icon187
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Top-Rated Toilet pros in Columbia - Updated Nov 2026

Avatar for At Your Service Plumbing
At Your Service Plumbing
5.0(
18
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearFaucets, Fixtures and Pipes - Repair or Replace - For Business

Serving Columbia, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"I highly recommend Frank Cervantes, from "At Your Service Plumbing." He is more reasonably priced than other plumbers, I have used in the past. Frank performs his work to satisfaction of everything functioning properly. 2/27/26, Frank lowered and secured a pipe from my black water tank, as water and waste were not flowing properly. He unclogged my toilet, that had been backing up. 3/04/26, Frank returned, as Toilet was backed up with water again. Frank checked the pipe with his computer camera, in which there ended up being (3) major blockages, from the pipe up into the black water tank. Frank, used every piece of his equipment to completely clean out the tank and pipe. I was able to view the completion of process on his computer. Frank, is very professional, and personable. I give him an A+ rating."
Water heater replacement
Water heater replacement
Shower valve replacement
Shower valve replacement
Toilet replacement

+2

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Toilets FAQs, answered by experts

Yes, you should screw your flange to the subfloor, including cement. The best way to get this done is to predrill holes into the concrete using a hammer drill and a ¼-inch concrete bit. Be careful when you’re ready to bolt your flange down, as you can accidentally crack it. You can avoid this issue by not installing the screws too deep. Or, you can opt for a flange with a stainless steel ring so you don’t have to worry about cracking the plastic.

The most common toilet repair is dealing with clogs, followed closely by replacing a worn-out flapper. While clogs can happen anytime in any toilet, they most commonly occur with older toilets that have smaller diameter clearances and often empty into smaller diameter sewer connections. Because toilet flappers only last a few years, they are next in line for the most common toilet failures.

If your toilet won’t stop running, you might have a bad fill valve. This may be the case if the valve has calcium or debris buildup, is cracked, or shows visible signs of wear and tear. A bad fill valve may also be the culprit if you’ve already checked the flapper and chain and adjusted the fill height to no avail.

Toilets typically connect to your main vent stack, a vertical pipe that runs through all finished levels of your home and exits through the roof. It’s located behind the walls, but if you have an unfinished basement or a utility closet, you may find a portion of it running the vertical length of the space. Some basement toilets use an air admittance valve instead, which is a small vent located in the wall directly behind the toilet that extends upward a few feet from the drain.

The Thanksgiving holiday period is one of the busiest times of the year for plumbers. Both Thanksgiving Day and the day after, often called Black Friday or "Brown Friday" by plumbing professionals, see a significant increase in service requests. This is because a house full of guests, large holiday meals, and unfamiliarity with the home's plumbing can lead to clogged drains, garbage disposal issues, and sewer line backups. Outside of the holidays, the busiest weekdays for plumbers are typically Monday and Tuesday, as many people discover plumbing problems over the weekend but wait to call for service. Despite the holiday, you can rest assured that many plumbers work on Thanksgiving and Black Friday to handle the surge in emergency calls.

The Columbia, CA homeowners’ guide to toilet services

From average costs to expert advice, get all the answers you need to get your job done.