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Best Garbage Disposal Service Companies in Missouri Ranked

A functioning garbage disposal is a key component of a modern Missouri kitchen, making cleanup easier and helping to keep drains clear. When your unit jams, leaks, or fails, it disrupts your daily routine. Finding a qualified local professional for garbage disposal service ensures the job is done safely and correctly, adhering to both plumbing and electrical codes. This guide will help you understand your options, what to expect from the process, and how to connect with experienced technicians in your area.

Polar Plumbing, Heating & Air Conditioning

Polar Plumbing, Heating & Air Conditioning

2227 Vandalia St, Collinsville, IL 62234

Polar Plumbing, Heating & Air Conditioning serves the St Louis, MO area with a wide range of plumbing and HVAC services. Their offerings include water heater repair and installation, sump pump and sewer line repair, leak detection, gas line installation, toilet repair, and garbage disposal repair. The company is known for handling urgent issues promptly, including emergency sump pump repairs and same-day water heater services. They also provide 24/7 emergency support for heating and cooling problems. Polar Plumbing has built a reputation for thorough and professional work, backed by a team that communicates clearly and respects customers' homes.

5.0
509 Reviews
A-Team Plumbing, Heating & Cooling

A-Team Plumbing, Heating & Cooling

15832 S Madison Dr, Olathe, KS 66062

A-Team Plumbing, Heating & Cooling is a family-owned and operated company serving Kansas City, MO, and the surrounding Johnson and Miami County areas. They specialize in residential and light commercial plumbing and HVAC services, including water heater repair and installation, sump pump repair, leak detection, and toilet and garbage disposal repairs. The company is a licensed and insured certified Trane dealer, offering reliable heating and cooling system installations and maintenance. With over 32 years of experience, A-Team Plumbing, Heating & Cooling emphasizes fair pricing and customer care. They also provide 24/7 emergency service for urgent plumbing and HVAC needs.

5.0
364 Reviews
Royal Flush Plumbing & Repair

Royal Flush Plumbing & Repair

14370 NW 61st St, Parkville, MO 64152

Royal Flush Plumbing & Repair is a locally owned plumbing company serving Kansas City, MO. They provide a wide range of residential and commercial plumbing services including water heater installation and repair, drain cleaning, leak detection, gas line installation, and sewer camera inspections. The company is licensed and bonded, with over a decade of experience in the plumbing industry. They also offer 24/7 emergency plumbing services for urgent needs. Their expertise includes sewer line camera inspections to accurately diagnose plumbing issues. Royal Flush Plumbing & Repair has built a reputation for reliable service and comprehensive plumbing solutions throughout Kansas City.

5.0
239 Reviews
Polar Plumbing, Heating & Air Conditioning

Polar Plumbing, Heating & Air Conditioning

131 Lincoln Pl Ct # 402, Belleville, IL 62221

Polar Plumbing, Heating & Air Conditioning provides a range of plumbing and HVAC services in St Louis, MO. Their offerings include water heater repair and installation, sump pump and sewer line repair, leak detection, gas line installation, toilet repair, and garbage disposal repair. The company is known for handling emergency situations promptly, such as same-day water heater repairs and 24/7 furnace service during cold snaps. They also perform comprehensive HVAC system installations and maintenance. Polar Plumbing has a reputation for thorough and professional work, with technicians who explain repairs clearly and maintain clean workspaces.

5.0
200 Reviews
Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

455 SW Ward Rd, Lee's Summit, MO 64081

Roto-Rooter Plumbing & Water Cleanup serves Kansas City, MO, offering a wide range of plumbing and water cleanup services. Their team handles water heater installation and repair, sump pump and drain cleaning, sewer line and trenchless sewer repairs, leak detection, repiping, and garbage disposal repairs. They provide 24/7 emergency plumbing services, including water damage restoration, using specialized equipment for sewer cleaning and no-dig pipe restoration. With over 85 years of experience, Roto-Rooter is equipped to respond to plumbing emergencies day or night, including weekends and holidays.

5.0
184 Reviews
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Understanding Your Garbage Disposal Options

Not all garbage disposals are the same, and choosing the right type and power level is the first step in any repair or installation project. The main choice is between two feed types.

  • Continuous Feed Models: These are the most common type found in homes. They are activated by a wall switch and allow you to feed food waste into the drain while the unit is running. They are convenient for clearing a plate directly into the sink 1 2.
  • Batch Feed Models: These units only operate when a special stopper is inserted and turned in the drain opening. This design is often considered safer for households with young children or pets, as the unit cannot be accidentally turned on 1 3.

Equally important is the motor's horsepower (HP), which indicates grinding power and durability:

  • 1/3 HP: Basic models suitable for light, occasional use.
  • 1/2 HP: A good mid-range option for most families, handling typical food scraps.
  • 3/4 HP: Heavy-duty models that can manage tougher items like small bones or fruit pits.
  • 1 HP: Premium, high-performance units designed for frequent use and minimal jamming 1 4 2.

Selecting a unit with insufficient power for your household's needs can lead to frequent jams and a shorter lifespan.

The Plumbing and Electrical Components

A garbage disposal is more than just an appliance; it's an integrated part of your kitchen's plumbing and electrical systems. Proper installation requires attention to both.

Plumbing Connections: The disposal mounts directly to the sink flange, the metal ring under your sink drain. It must be a secure, watertight connection to prevent leaks. From there, the unit's discharge outlet connects to the drainpipe and P-trap, which carries waste to the main drain line 1 5. Many installations also involve a dishwasher connection. New disposals typically have a plugged inlet; a professional will knock this plug out to connect the dishwasher drain hose, which allows food particles from the dishwasher to be ground up and flushed away 1 5.

Electrical Requirements: Most garbage disposals require a dedicated, grounded electrical outlet installed in the cabinet under the sink. If one is not present, an electrician may need to run a new circuit. This is a common requirement for new installations and a critical safety step. The unit is often hardwired or plugged into this outlet, and it must be controlled by an accessible switch, typically on the wall 1 5 6.

The Professional Service Process: What to Expect

A professional service call for a disposal involves clear roles for both the homeowner and the technician. Knowing what to expect can make the process smoother.

Homeowner Preparation: Before the technician arrives, you can help by clearing out the cabinet under the sink to provide easy access. It's also helpful to know the brand and model of your existing unit (if it's being repaired) and to have considered the type of new unit you might want. Check to see if there is an electrical outlet under the sink, as this information is useful for the initial assessment 1 7.

The Professional's Role: A qualified plumber will start by assessing the situation. For a repair, they will diagnose the issue-whether it's a jam, a leak from the sink flange or housing, or a failed motor. For an installation, they will evaluate your existing plumbing and electrical setup. Their service includes:

  • Safely disconnecting power and water.
  • Removing the old unit (if applicable).
  • Preparing the sink flange and mounting assembly.
  • Installing the new or repaired disposal, ensuring all plumbing connections are tight and leak-free.
  • Connecting the dishwasher drain hose if needed.
  • Testing the unit for proper operation and checking for leaks.
  • Ensuring the installation meets local building codes.
  • Providing you with basic care and maintenance tips to extend the life of your unit 1 5 8.

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Repair vs. Replacement: Making the Right Choice

When your disposal stops working, you face a common dilemma: is it more cost-effective to repair or replace it? The answer depends on the problem, the age of the unit, and your long-term needs.

When Repair is the Best Path: Repair is often a sensible choice for simple, mechanical issues. Common repairable problems include:

  • Jams: Caused by foreign objects or fibrous foods. A professional can safely clear the jam and reset the unit.
  • Minor Leaks: Often originating from a worn sink flange gasket or a loose drainpipe connection. These seals can be replaced.

The cost for these types of repairs in Missouri typically ranges from $70 to $250, depending on the parts needed and the labor involved 1 4 9.

When Replacement Makes More Sense: There are several scenarios where investing in a new garbage disposal is the more practical and economical decision:

  • Age: If your unit is between 8 and 15 years old, it's nearing the end of its expected lifespan. Newer models are also more energy-efficient and quieter.
  • Motor Failure: If the motor has burned out, the cost of a new motor and labor often approaches or exceeds the price of a new unit.
  • Frequent Problems: Ongoing jams or leaks indicate a failing unit.
  • Desire to Upgrade: You may want a more powerful motor (e.g., moving from 1/3 HP to 1/2 HP) or a safer batch-feed model 1 3 7 10.

Understanding Service Costs in Missouri

Costs for garbage disposal services in Missouri vary based on the scope of work, the quality of the unit chosen, and local labor rates. Here's a general breakdown:

  • Garbage Disposal Repair: As mentioned, fixing a jam or leak usually costs between $70 and $2501 4.
  • Garbage Disposal Replacement: This involves removing an old unit and installing a new one of similar type. For a mid-range model and standard installation, homeowners can expect to pay between $250 and $600, with an average often falling in the $300 to $450 range 1 3 9.
  • New Garbage Disposal Installation: This is typically the most expensive option, as it may require new plumbing connections and the installation of a dedicated electrical circuit under the sink. For a full new install with necessary electrical and plumbing work, costs can range from $400 to $1,200 or more1 3 11.
  • Unit Cost: The price of the disposal itself is a significant factor. Basic models start around $80, while premium 1 HP units can cost $500 or more1 12.

Always request a detailed, written estimate from your service provider that separates the cost of the appliance from labor and any additional materials or electrical work.

Maintaining Your Garbage Disposal

To avoid premature repairs and extend the life of your unit, follow these simple maintenance tips:

  • Run Cold Water: Always use a strong flow of cold water before, during, and for about 30 seconds after grinding. Cold water solidifies grease, allowing it to be ground up and flushed away.
  • Grind Safe Items: Stick to soft food scraps. Small amounts of citrus rinds can help freshen the unit.
  • Avoid Problem Foods: Never put fibrous materials (celery, corn husks), grease/oils, coffee grounds, eggshells, or starchy foods like pasta and rice down the disposal.
  • Clean Regularly: Periodically grind a few ice cubes to help scour the grinding chamber. You can also use a mild dish soap and cold water solution.

Frequently asked questions

Sources

Footnotes

  1. 2025 Guide To Garbage Disposals | Ladue, MO | Plumbing - https://www.tonylamartinaplumbing.com/2025-guide-to-garbage-disposals/ 2 3 4 5 6 7 8 9 10 11 12 13 14

  2. Garbage Disposal Installation & Repair In Kansas City - https://polestarcomfort.com/plumbing/garbage-disposal/ 2

  3. How Much Does Garbage Disposal Replacement Cost? - Modernize - https://modernize.com/plumbing/garbage-disposal/replacement-cost 2 3 4

  4. Garbage Disposal Repair vs. Replacement: What's Cheaper? - https://qualityplumbing.com/garbage-disposal-repair/ 2 3

  5. St. Louis Garbage Disposal Installation - Kirkwood Plumbing - https://www.kirkwoodplumbing.com/plumbing/garbage-disposal-installation-repair/ 2 3 4

  6. What to Consider Before Installing a New Garbage Disposal - https://www.mnsplumbing.com/plumbing-blog/what-to-consider-before-installing-a-new-garbage-disposal

  7. Kansas City's Garbage Disposal Repairs & Installations - https://anthonyphc.com/plumbing/kitchen-plumbing/garbage-disposals/ 2

  8. Garbage Disposal Repair & Installation in St. Charles & St. Louis | Precision Plumbing Solutions - https://stlplumbing.net/garbage-disposal-repair/

  9. Kitchen Sink Garbage Disposal: Expert Advice, Costs, and ... - https://larrattbros.com/kitchen-sink-garbage-disposal-expert-advice-costs-and-maintenance/ 2

  10. Garbage Disposal Installation Cost Near St. Louis, MO Metro - https://www.antonshvac.com/garbage-disposal-install/

  11. Garbage Disposal Installation | SW MO - https://www.austinspumpingservice.com/garbage-disposal-installation

  12. Cost to Install a Garbage Disposal - The Home Depot - https://www.homedepot.com/services/c/cost-install-garbage-disposal/357654922