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TRUSTED BY KNIGHTSEN, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.1k+
    Verified plumbing services reviews

Top-Rated Plumbers in Knightsen - Updated Nov 2026

Avatar for Oak Plumbing Inc
Oak Plumbing Inc
4.6(
104
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+20 more

Serving Knightsen, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Our sewer main busted and Oak Plumbing’s master plumbers Matt & Mike did a great job at digging down over 7ft to replace the broken section and also upgraded my single sewer main clean out which was nearly rusted through to a dual solid ABS clean out. And also I would like to add that Nate also did a great job at identifying our problem! Thanks guys! You’re AWESOME!"
Response time2 days
4 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Premier Plumbing Solutions 925
Premier Plumbing Solutions 925
5.0(
51
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+1 more

Serving Knightsen, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"The proprieter, Mr. Hernandez, helped me select a new tankless water heater to replace my old one. He was generally easy to communicate with and did what he said he was going to do. Although this was a replacement water heater, the plumbing had to be replaced to fit the new unit. A few hours after he installed the new water heater, I noticed a minor problem, texted Mr. Hrnandez, and he was at my house an hour later, at 9:00 pm, to fix it. I have had many craftsmen work on my house over the years. It's usually pretty frustrating and aggravating. When there was a problem after other jobs, most of them told me my house was defective, admitted that the problem was their fault but refused to fix it, claimed that I did not understand the situation, or just stopped responding to my communications. Mr., Hernandez responded instantly to my text message and was at my house an hour later (at 9:00 pm) to fix the problem. He is a skilled professional plumber and an honorable person. I hope to do some significant remodeling that will require rebuilding some of my house's plumbing, and I'll try to get Mr. Hernandez to come back for the work."
Response time5 hrs
1 neighbors recently requested a quote
Recommended by47%of homeowners
Avatar for BCMN
BCMN
4.6(
111
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+5 more

Serving Knightsen, CA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

B C M N DBA F and F Plumbing and Drain Cleaning, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Response time4 hrs
2 neighbors recently requested a quote
Recommended by75%of homeowners
BCMN
4.6(
111
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Knightsen, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Friends and family Plumbing and Drain Cleaning, (DBA BCMN) is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Recommended by75%of homeowners
Avatar for Drain Raider Plumbing
Drain Raider Plumbing
5.0(
21
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessSewer Main - Clear+2 more

Serving Knightsen, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Adam was very professional he was very helpful I would use this company again he deserves a million stars he gets the job done right I hope everyone uses this company I want this company for all my Plumming issues hands down I trust this company and Adam’s expertise"
2 neighbors recently requested a quote
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
722
)
Faucets, Fixtures and Pipes - Repair or ReplaceGas PipingDrain Clog or Blockage - Clear+22 more

Serving Knightsen, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"The Albert Nahman Plumbing team was great! From customer service during scheduling to the knowledgeable and skilled plumber they sent out to us. They got our rush job done for us right away with a high level of quality. Highly recommended!"
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate100%
44 neighbors recently requested a quote
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Showing 1-10 of 423
Plumbing FAQs, answered by experts

Toilet handles can get stuck for a couple of reasons, but it’s commonly an issue with the chain. Remove the lid and check the chain’s connection, running from the flapper to the handle arm. Sometimes the chain gets snagged on or against another part of the tank. 

The chain might not have the right tension. For example, a chain that’s too short can make the handle feel stuck. Check that there’s some slack in the chain. Old, worn-out flappers can get stuck, too. In this case, you’ll need to see which size toilet flapper you need.

Shut-off valves, like any other piece of metal hardware, can corrode, age, get worn down, and eventually break or rust into place. Occasionally spray your shut-off valve with WD-40 to stall it from rusting. If it really gets stuck, a wrench and WD-40 will usually do the trick, but you will need to call a plumber if it’s completely unmovable.

A faulty fill valve is the likely source of noise in your pipes after flushing a toilet. The valve is what’s responsible for bringing in the additional water needed when you flush a toilet. If this valve malfunctions, then it causes a sudden change in water pressure, which results in noises in the pipes.

You might think it’s OK to ignore a faucet that drips if it’s not too bad, but doing so can cause more damage. A leaky faucet can also increase water bills and potentially attract bugs and other pests to your home. When you find a water leak, it can result in water damage to your home, which can cause structural issues and mold growth.

If your shower is leaking when it’s off, it may not be an immediate cause for concern. After a shower, some water is left in the showerhead and will drip out after you turn the shower off. Other reasons include potential pressure or condensation in the pipes or thermal contraction when the pipes cool down after a hot shower. However, if the showerhead leaks continuously, call a pro to take a look.

The Knightsen, CA homeowners’ guide to plumbing services

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