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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 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

"We had been dealing with our shower slowly draining for about a week. After reading their reviews, we called California Plumbing. They used a hydro jetting machine to clear out years of buildup and our shower is draining much quicker. So satisfying!"
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%
10 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, 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

You can unclog an AC drain line for free if you already have these household ingredients: water, vinegar, and rags. Alternatively, if you’d rather not deal with the mess, you can hire a pro to clear your drain line. If you go that route, an HVAC service call costs between $100 and $250.

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.

Most blockages can be cleared in 1-3 hours, but severe issues may take longer.

You can pour hot water down your gutter drain to melt ice and keep ice dams from forming. If the problems persist, consider investing in heat cables to run in your gutters. Heat cables can adjust based on the surrounding temperature to keep ice thawed.

Water leaking through your basement floor is a good sign of a clogged drain, but another sign of a clogged basement floor drain can include unpleasant odors coming from the drain. Also, hearing gurgling noises when water drains from the basement or having other plumbing fixtures (like toilets or other drains) backing up is a good indicator.

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.