A broken garbage disposal can be a big problem in your kitchen. It can cause bad smells, clogs, and make it hard to clean up after meals.
If your disposal isn’t working right, you might be wondering if you should fix it or get a new one.
In this guide, we’ll explain how much a garbage disposal replacement costs. We’ll also show you how to do it yourself and when it’s better to call a professional.
Whether you’re handy or just looking for answers, this article will help you understand your options and what to do next.
Signs You Need to Replace Your Garbage Disposal
It’s not always easy to tell when your garbage disposal needs to be replaced. Sometimes, it just needs a quick fix. But other times, getting a new one is the better choice. Here are some common signs to watch for:
It Keeps Getting Clogged
If your disposal keeps getting jammed or clogged, even when you’re careful, it might be too worn out. Old blades don’t grind food well, which can lead to blockages.
It Makes Loud or Strange Noises
Some noise is normal, but if your disposal sounds like metal scraping or makes a grinding noise, something’s wrong. Loose parts or worn-out blades could be the cause.
There’s a Bad Smell That Won’t Go Away
Food waste can sometimes get stuck and cause smells. But if you’ve cleaned your disposal and the odor is still there, it might be time for a replacement.
It Leaks Under the Sink
A leak from the bottom of your disposal usually means there’s a crack inside. These kinds of leaks are hard to fix and often mean you need a new unit.
It Won’t Turn On or Keeps Resetting
If the disposal won’t start or needs to be reset often, the motor may be failing. Replacing it can be more cost-effective than fixing it.
It’s Over 10 Years Old
Most garbage disposals last between 8 to 15 years. If yours is getting old and showing problems, it’s a good idea to plan for a replacement soon.
Garbage Disposal Replacement Cost Breakdown
Before replacing your garbage disposal, it helps to know how much it will cost. Prices can vary, depending on the type of unit and who installs it. Here’s what to expect.
Average Cost
Most people spend between $150 and $400 to replace a garbage disposal. This includes the cost of the new unit and the labor if you hire a professional.
Cost of the Disposal Unit
The garbage disposal itself usually costs $70 to $250, depending on the brand and power. Basic models are cheaper, while quiet or high-powered ones cost more.
Installation Costs
If you hire a plumber or handyman, labor usually costs $100 to $200. The price may go up if extra work is needed, like fixing plumbing or wiring.
DIY vs Professional Cost
If you’re handy and do it yourself, you’ll save on labor. You might spend only $70 to $150 total. But make sure you feel safe working with tools, plumbing, and electricity.
Extra Costs to Watch For
Sometimes you’ll need new parts like a drain flange, power cord, or plumber’s putty. These are small costs (usually under $20) but good to include in your budget.
Summary
- DIY: Around $70–$150
- Professional: Around $150–$400
Knowing what to expect can help you choose the best option for your home and your wallet.
Final Tip
“Based on national averages from sources like HomeAdvisor and Fixr, most homeowners spend between $150 and $400 for garbage disposal replacement.”
DIY vs Hiring a Professional
When your garbage disposal stops working, you have two main options: fix it yourself or call a pro. Both choices have their pros and cons. Let’s break them down.
Doing It Yourself (DIY)
Replacing a garbage disposal is possible for some homeowners. If you’re good with tools and comfortable working under the sink, you might be able to do it yourself.
Pros:
- Saves money on labor
- You can do it on your schedule
- Feels satisfying if you enjoy home projects
Cons:
- You need the right tools
- Risk of leaks or wiring mistakes
- Can take longer if you’ve never done it before
Tip: Always turn off the power at the breaker box before starting. Safety first!
Hiring a Professional
If you’re not comfortable doing the job, calling a plumber or handyman is a smart move. It costs more, but it can save time and stress.
Pros:
- Quick and safe installation
- Professionals know what to do if something goes wrong
- May include a warranty or service guarantee
Cons:
- Higher cost (usually $100–$200 for labor)
- You’ll need to schedule a time
According to Angi.com, most plumbers can replace a garbage disposal in under an hour.
Which One Should You Choose?
- Choose DIY if: you’ve done small plumbing jobs before, you have the tools, and you want to save money.
- Choose a pro if: you’re unsure, short on time, or want peace of mind.
There’s no wrong answer—just pick what works best for your skills, budget, and comfort level.
Have Experience or Need Help?
Are you comfortable doing your own home repairs, or do you need help finding a trusted professional?
At Home Revista, we’re here to help you either way. With over 150,000 pages of expert-backed content and partnerships that connect 47 million+ homeowners to local services, we make sure you get the right solution for your home—whether you’re a DIY pro or prefer to hire one.
Let us guide you with expert advice or connect you with a trusted local service provider today.
Contact UsHow to Replace a Garbage Disposal (Step-by-Step)
If you’ve chosen to replace your garbage disposal yourself, the process is very doable with some basic tools and safety steps. Follow this simple guide to get it done right.
What You’ll Need
- New garbage disposal unit
- Plumber’s putty
- Screwdriver
- Adjustable wrench
- Bucket or bowl
- Towels
- Safety gloves
- Power cord (if not included with your unit)
Step 1: Turn Off the Power
Go to your home’s breaker box and shut off power to the kitchen. This is important for your safety. Never work on an electrical appliance while it’s connected to power.
Step 2: Disconnect the Old Disposal
- Put a bucket or towel under the sink to catch any water.
- Unplug the disposal or disconnect the wiring.
- Unscrew the drain pipe and the dishwasher connection if there is one.
- Use a wrench to twist the disposal off the mounting bracket.
Step 3: Remove the Mounting Assembly
- Unscrew the old mounting ring from the sink.
- Clean around the drain hole and remove old plumber’s putty or debris.
Step 4: Install the New Mounting Assembly
- Apply a small amount of plumber’s putty around the sink drain.
- Press the new flange into place and attach the mounting ring underneath.
- Tighten the screws evenly until the assembly is secure.
Step 5: Connect the New Disposal
- If you’re using a plug-in model, attach the power cord.
- For hardwired units, match the wires correctly (black to black, white to white, and green to ground).
- Lift and twist the new disposal onto the mounting bracket until it locks in place.
- Reattach the drainpipe and the dishwasher hose.
Step 6: Turn Power On and Test It
- Switch the power back on at the breaker box.
- Run cold water and turn on the disposal to test.
- Check for leaks and make sure everything works smoothly.
Helpful Tips
- Double-check all connections before turning the power back on.
- Each brand or model may have small differences — always follow the instructions that come with your unit.
- If anything feels too difficult or unsafe, don’t hesitate to call a licensed plumber.
Click to View: Garbage Disposal Replacement Checklist
- Before You Begin:
- ☐ Turn off power at the breaker
- ☐ Gather tools and materials
- Remove Old Disposal:
- ☐ Unplug or disconnect wires
- ☐ Disconnect drainpipe and dishwasher hose
- ☐ Twist disposal off mounting bracket
- ☐ Remove old mounting assembly and clean sink area
- Install New Unit:
- ☐ Apply plumber’s putty and install new flange
- ☐ Attach and tighten new mounting ring
- ☐ Connect power or wiring
- ☐ Lock disposal into place and reattach pipes
- Final Steps:
- ☐ Restore power
- ☐ Run water and test for leaks
- ☐ Check disposal function
Want a printable version?
Download the Garbage Disposal Replacement Checklist (PDF)
Use it to follow each step of your DIY project with confidence.
Tips to Extend the Life of Your Garbage Disposal
A new garbage disposal can last for many years—if you take care of it. Here are some simple habits that will help you keep your disposal running smoothly and avoid costly repairs.
Run Cold Water While Using It
Always run cold water before, during, and after using your disposal. Cold water helps move food waste through the pipes and prevents grease from building up.
Avoid Grease and Fat
Never pour grease, fat, or oil down your disposal. These can harden and clog your pipes. Let grease cool and throw it in the trash instead.
Cut Large Items into Smaller Pieces
If you’re grinding things like fruit peels or vegetables, cut them into smaller chunks first. This makes it easier for the blades to break them down without getting stuck.
Don’t Use It for Everything
Not all food scraps belong in your garbage disposal. Avoid putting in:
- Bones
- Coffee grounds
- Eggshells
- Pasta or rice
- Fibrous vegetables like celery or corn husks
These can damage the blades or cause clogs.
Clean It Regularly
To keep your disposal fresh:
- Drop in a few ice cubes and run the unit to clean the blades.
- Use baking soda and vinegar to clear out buildup and odors.
- Avoid harsh chemicals that could damage the unit.
Run It Often
Even if you don’t use it every day, turn it on once in a while with water running. This helps prevent rust, buildup, or parts from freezing up.
Listen for Strange Sounds
If your disposal starts making strange noises or smells bad even after cleaning, it might be time for maintenance or replacement. Catching issues early can save you time and money.
Frequently Asked Questions (FAQs)
How long does a garbage disposal usually last?
Most garbage disposals last between 8 to 15 years, depending on how well you take care of them. If yours is over 10 years old and causing problems, it might be time to replace it.
Can I replace a garbage disposal myself?
Yes, if you’re comfortable using tools and working under the sink, you can do it yourself. Just follow safety steps, turn off the power, and make sure the wiring and plumbing are connected correctly. If you’re unsure, hiring a pro is a safe option.
How much does it cost to replace a garbage disposal?
The total cost is usually between $150 and $400. This includes the price of a new unit and installation. If you do it yourself, it may cost less—around $70 to $150, depending on the model and tools you already have.
What can I put in my garbage disposal?
Soft food scraps like fruit peels, small veggie pieces, and liquids are usually fine. Avoid bones, grease, fibrous foods (like celery), coffee grounds, and pasta—they can clog or damage your disposal.
Is it bad to use hot water in the disposal?
Use cold water, not hot. Cold water keeps grease solid, so it can be chopped up and flushed away. Hot water melts grease, which can stick to the pipes and cause clogs.
Why does my disposal smell bad?
Bad smells usually come from food stuck inside. Try cleaning it with ice cubes, lemon slices, or baking soda and vinegar. If the smell doesn’t go away, it might need a deeper cleaning—or a replacement.
Conclusion
Replacing a garbage disposal might sound like a big task, but with the right steps, tools, and guidance, it’s something many homeowners can do themselves. Whether you’re tackling it as a DIY project or deciding to hire a professional, knowing the costs, safety tips, and long-term care practices helps you make smart, informed decisions.
Taking care of your garbage disposal doesn’t just save you time and money—it also keeps your kitchen running smoothly for years to come.
If you’re ready to get started but still have questions—or you’d rather let a trusted expert handle the work—Home Revista is here to help.
We connect over 47 million homeowners with the right home service professionals every year. Whether you want to do it yourself or find someone local to do it for you, we’ve got the tools and the team to support you.
