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TRUSTED BY OCONOMOWOC, WI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon244
    Verified drain cleaning services reviews

Top-Rated Drain cleaners in Oconomowoc - Updated Nov 2026

Cardinal Heating & Air Conditioning
4.8(
164
)
Drain Clog or Blockage - Clear

Serving Oconomowoc, WI and surrounding areas

Approved

In business since 1984

Free estimates

Credit card accepted

Cardinal Heating, Cooling, Plumbing & Electric has provided full-service HVAC, plumbing, and electrical work to homes and businesses throughout the Madison area since 1984. Homeowners call us for furnace and air conditioner repair, water heater replacement, drain cleaning, and electrical panel upgrades, along with the everyday plumbing and electrical work every home needs. We take the time to listen to every customer and explain the options clearly, and our licensed technicians bring years of hands-on experience to routine maintenance, unexpected repairs, and full system installations alike. Call Cardinal today to schedule your free estimate.

Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air

+15

Recommended by90%of homeowners
R S Plumbing Co
4.7(
45
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Oconomowoc, WI and surrounding areas

"I overfilled my garbage disposer!! My sink had 2 inches of water as a result of my trying a plunger to clear it. I called RS Plumbing at 4:45 in the afternoon and Steve came the next morning at 8:00.

He had me clear the area around the basement pipes in case the clog was more major than I hoped. He was able to clear the drain only in the kitchen area. He worked efficiently and had the drain running freely. I asked him to check the dishwasher hosing in case that was part of the blockage. I have had problems with that before.

RS Plumbing was prompt, competent, and overall good to work with."
Recommended by95%of homeowners
ALL APPLIANCE SERVICE
4.6(
621
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Oconomowoc, WI and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"Serviceman said noise was from drain motor. Price of new motor and the service call would be $200+. We said thanks, declined service on this 6 year old Bosch and went out and ordered a new one. Cost - $1100.00 to be delivered in 2 months. We are grateful that the old Bosch is still running. We have had other issues with this particular dishwasher. So much so that the Lowe's maintenance contract was cancelled by their warranty provider with a full refund of the warranty cost. The warranty company said it would be too expensive for them to continue servicing our Bosch!"
Recommended by94%of homeowners
Avatar for Mattox Plumbing LLC
Mattox Plumbing LLC
4.8(
25
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Oconomowoc, WI and surrounding areas

In business since 2020

Credit card accepted

Plumbing and drain problems never happen at a good time. In fact, it can often seem like they only happen at the worst times! That is when it is time to call in Mattox Plumbing, your 7-days-a-week emergency plumbing contractor to take care of all your plumbing needs. Our expert technicians are always available to tackle your plumbing emergency. \n \nWhether your emergency happens first thing in the morning, on the weekend, or even on a holiday, you can count on Mattox Plumbing to work with your schedule. No matter when disaster strikes, call our knowledgeable customer service representatives who can get you the plumbing help you need. As an emergency plumbing service provider, we can schedule a same-day plumber appointment that works for you or dispatch a technician to your home right away if you are dealing with an emergency.

New Faucet
Bathroom Faucet
Bathroom Updates
Outdoor Horse Water
Response time1 day
Recommended by95%of homeowners
Avatar for Capital Heating & Cooling
Capital Heating & Cooling
4.2(
204
)
Drain Clog or Blockage - Clear

Serving Oconomowoc, WI and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"I was very pleased with the two men that cleaned out my dryer vent from the back of the dryer all the way through the outside. They even cleaned out the dryer itself and all the lint that was around the outside of the dryer."
Dirty furnace fliter
AC Repair in Brookfield
AC Replacement
Geothermal Heating System Installed
Capital HVAC Geothermal installer

+34

Response time10 mins
105 neighbors recently requested a quote
Recommended by83%of homeowners
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Drain Cleaning FAQs, answered by experts

A clogged air gap can cause a dishwasher not to drain. There are, however, other potential issues that can lead to improper drainage. For example, if you have attached the air gap to a garbage disposal and forgotten to remove the knockout plug, wastewater may backflow into the dishwasher. Check that the air gap is installed properly, and then look for clogs in the air gap and dishwasher filters. 

When you put baking soda and vinegar down the drain, they chemically react and help break down clogs. It’s not going to work for every type of clog, however. For example, it’s not the best way to get rid of grease buildup. For grease, you should try boiling water and white vinegar instead.

Snaking a drain can take as little as a few minutes for small, simple clogs, up to two hours or more for tough clogs located further down the drain line. For tougher clogs, a professional drain cleaner can likely get the job done much more quickly because they have the necessary tools and expertise. However, your drain cleaning pro might not be able to give you a firm time estimate until inspecting the clog and its surrounding plumbing.

The cost to unclog a drain varies based on the location and severity of the clog. For simple clogs within your home, such as in a sink, toilet, or shower, hiring a plumber typically costs between $110 and $350, with an average of around $200. Snaking a toilet or sink usually costs between $110 and $275, while a bathtub or shower clog costs about $225.

For a more serious clog in the main sewer line, the cost is higher. Clearing a main line clog generally costs between $200 and $600, with an average of about $380. However, prices can range from as low as $100 for snaking a minor clog to over $1,600, particularly if advanced methods like video inspection and hydrojetting are needed for a large or hard-to-reach blockage. Some severe main line clogs can cost upwards of $1,000 to clear depending on factors like the cause of the clog, its distance from an accessible cleanout, and whether the pipe is located beneath an occupied space (e.g., in an apartment building). You may be able to save money on minor clogs by using a drain snake or bladder yourself.

There are many things that could cause your basement floor drain to back up. One significant cause of a drainage backup is flushing non-flushable items, such as wipes, paper towels, and facial tissue. Other causes of a backed-up basement floor drain include tree roots impeding the drain pipe or an accumulation of hair, oil, and grease. 

The Oconomowoc, WI homeowners’ guide to drain cleaning services

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