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TRUSTED BY SAN MARCOS, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.5k+
    Verified drain cleaning services reviews

Top-Rated Drain cleaners in San Marcos - Updated Nov 2026

Avatar for ABC Plumbing
ABC Plumbing
4.6(
110
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving San Marcos, CA and surrounding areas

Approved

In business since 1975

Emergency services offered

Warranties offered

"Al is such a very amicable, knowledgeable, and professional person who really cares about my affordability and providing the highest quality of work. I definitely,without reservation, will hire him again to do all my plumbing needs and will surely recommend him to all my friends and acquaintances. Randy Salés"
Response time20 mins
Recommended by93%of homeowners
Avatar for Plumbing Plus
Plumbing Plus
4.5(
530
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving San Marcos, CA and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Excellent service! We scheduled Plumbing Plus to replace the hot and cold cartridge's in a sink faucet and a tub pop-up drain and overflow gasket. Jared N. quickly assessed the problems. The faucet was so corroded with water deposits that it could not be dismantled to simply replace the hot and cold cartridge's. So Jared replaced the entire faucet with a high quality replacement. After the tub pop-up drain was replaced, Jared checked for leaks by looking in a 'trap door' in the ceiling below the tub that was left after the tub was replaced in an earlier remodel. Jared discovered that the entire tub drain was leaking and need to be replaced, which he did. He also corrected a problem with the drain pipe left from the previous remodel. Although the job was much more complex than expected, Jared was professional, efficient, and extremely cheerful throughout . We highly recommend Jared and Plumbing Plus"
New Sewer Pipe Installation
Always important to clean up after ourselves
Tricky Sewer Pipe Installation
New Sewer Pipe Installation
Ladders and lifts to access the pipe overhead

+37

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for California Plumbing SD Inc
California Plumbing SD Inc
4.9(
238
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateDrain Clog or Blockage - Clear - For Business+1 more

Serving San Marcos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"I’ve had issues with my outdoor drain clogging. Alex helped me schedule an appointment and ensured me they would have the equipment to high power clean my drain. Sure enough the technicians showed up and were able to clear my drains same day. I’m very pleased with their great service!"
California Plumbing
Our Team!
We are happy to help!
We are the experts!
5 star service!

+3

Response time4 hrs
Response rate100%
348 neighbors recently requested a quote
Avatar for Flowtech Drains LLC
Flowtech Drains LLC
5.0(
11
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving San Marcos, CA and surrounding areas

Approved

In business since 2012

Free estimates

Small jobs welcome

"2 months ago We needed to replace the pipes in our house after having serveral leaks. Pablo Solis and his team were friendly, prompt & did a great job! They kept me updated as they completed the project and made recommendations when needed. They were kind enough to fix a small toilet issue we were having even though it was not part of the project we hired them for. I recommend them 100% ð ð ¼ The pricing was very competitive. We would definitely use them again."
Water pressure regulator replacement
Water, pressure, regulator, manifold, upgrade
Waterheater
Waterheater
Water filtration

+12

Response time5 hrs
Response rate88%
11 neighbors recently requested a quote
Avatar for Vista Plumbing
Vista Plumbing
4.8(
32
)
Drain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For Business

Serving San Marcos, CA and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"The plumber showed up on time and was very pleasant and professional. He completed the job in approximately 1/2 hour which I thought was amazing. He took all packing materials with him and left the counter spotless. He did not try to oversell me any additional items over and above the work I asked to be performed. I would definately use Vista Plumbing in the future."
Response time6 hrs
Response rate100%
Recommended by96%of homeowners
Avatar for Personal Plumbing, Heating & Cooling
Personal Plumbing, Heating & Cooling
4.5(
361
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving San Marcos, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"It went very well. My husband and I made the mistake of providing the wrong faucets to him for the wrong bathroom. However, he took it with a grain of salt and willingly said that it was no problem and he would install the right faucets which he did. It did cost us more money but it was worth it. He did an excellent job of installing the faucets and left the bathrooms in a clean and orderly condition. He was very pleasant and cordial during his time here. I would highly recommend him to anyone and we would definitely call him for future plumbing issues.
"
Mini Split System Install Oceanside
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+12

Response time1 day
Response rate100%
18 neighbors recently requested a quote
Avatar for Personal Plumbing, Inc.
Personal Plumbing, Inc.
4.6(
71
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving San Marcos, CA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Both technicians were friendly and knowledgeable. They identified my leaky drain issue and resolved the problem quickly and completed a plumbing inspection of my home. I was able to schedule an appointment within three hours of my call. Lifesavers!!"
Bathroom remodel
Response time5 hrs
6 neighbors recently requested a quote
Recommended by88%of homeowners
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Drain Cleaning FAQs, answered by experts

Yes, you can use hydrogen peroxide to unclog a drain. Instead of using a baking soda and vinegar solution, you can use baking soda with hydrogen peroxide. The process to unclog a drain is the same as with vinegar, but use 1 cup of hydrogen peroxide instead.

Yes, sewage smells can originate from a floor drain. If the P-Trap in the floor drain dries out or if there's a clog or other issue in the plumbing system, sewer gasses can escape through the drain, causing nasty odors. Regularly pouring water into the drain helps maintain the water seal and prevent those smells, but if the smell persists, you should have a plumbing professional inspect the drain for potential problems.

While some chemical drain cleaners with hydrochloric acid can dissolve hair, this method is not recommended as it can also destroy your plumbing pipes. A common DIY alternative is using baking soda and vinegar, which can help break down the clog but will not actually dissolve the hair. The best and safest method for clearing a hair clog is to remove it manually. You can use a drain snake, a straightened wire hanger with pliers to fish out the clog, or have a plumber use a professional auger for more severe blockages.

Professional plumbers use many high-grade chemicals to unclog drains. Many use hydrochloric acid, known as muriatic acid, when it comes to extreme blockages. 

Your dishwasher drain hose may have a clog if your dishwasher is full of water, your dishes aren’t getting cleaned, or water takes a long time to discharge into the garbage disposal.

The San Marcos, CA homeowners’ guide to drain cleaning services

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