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    Verified garbage disposal installation services reviews

Top-Rated Garbage disposal installation pros in Diamond Bar - Updated Nov 2026

Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)

Serving Diamond Bar, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"We recently had Mega Power Electric Inc install a solar system and panels. The President and provided excellent communication all the way through the process. He even met with us after installation to explain the almost incomprehensible PG&E bill. Although not the least expensive bid, his was competitive and I felt he was as interested in educating me about solar and the various types of panels and inverter systems as he was in selling a system. He demonstrated how the array of panels would meet our energy needs and as opposed to some of the other companies, wasn't selling us more than we needed. We are very satisfied with our solar system and I highly recommended Mega Power Electric Inc."
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+32

Recommended by100%of homeowners
Avatar for Top Contender Drain Specialist, Inc.
Top Contender Drain Specialist, Inc.
4.6(
230
)

Serving Diamond Bar, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"They came out twice, once to remove the bathroom faucet and drain line and again a few days later to reattach after another company installed a new vanity top and sink. Personable and professional guys, cleaned up the area when finished.
"
Camera Inspection
Dirt, Rocks and Debry
Locator the Drain line
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+9

Recommended by91%of homeowners
Avatar for Best Quality Movers
Best Quality Movers
5.0(
299
)

Serving Diamond Bar, CA and surrounding areas

In business since 2009

Credit card accepted

"I bought a Big Deal for 3 men for 2 hours with a moving truck for under $200. I had everything very prepared, furniture was empty & clean, drawers removed, ready to go. They wrapped all furniture with packing blankets & my super large mirror with bubble wrap & packing blankets. Alex & one other man packed, drove, unpacked everything in just over the alotted time, but didn't charge me extra. They were great...punctual, fast, efficient, neat and very personable. I will definitely use them again. Very pleasant experience!
"
Movers getting armour
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Recommended by94%of homeowners
Avatar for AAP Home Services
AAP Home Services
4.8(
16
)

Serving Diamond Bar, CA and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"The plumbers were very knowledgeable and quickly figured out the problem with the faucet installation and how to fix it. They also spotted that the “new” faucet contained parts that had been used before, and we got the store to provide new replacements for them."
Recommended by100%of homeowners
Avatar for Mr. Plumber Man
Mr. Plumber Man
5.0(
18
)

Serving Diamond Bar, CA and surrounding areas

In business since 2004

Emergency services offered

"Tito was referred to us by our contractor and it was a pleasure working with him! We needed an extension for our shower valve. The entire process was smooth and stress-free. The communication was EXCELLENT (I can't emphasize this enough!) and we were kept up to date throughout the entire process--we were able to text which was so convenient. While he was here, he explained everything clearly, showed me the issue, and how he would be able to fix it. I also really appreciated that when he arrived and saw I had a mask on, he immediately offered to put a mask on without me having to ask. For people who live with someone who is immunocompromised or feel more comfortable masking, you can feel safe and comfortable while Tito is working in your home. Tito is professional, friendly, honest, knowledgeable, and detailed. I highly recommend his services and will definitely call him in the future if we need his expertise and help!"
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+31

Recommended by100%of homeowners
Avatar for Repipe Pro
Repipe Pro
5.0(
20
)

Serving Diamond Bar, CA and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"The owner of repipe pro met with us and provided the cost. He was very thorough with all that needed to be done. His staff came the next day and completed the job in about 5 hours. (we have a small house) They were very nice to work with took excellent care doing the job and clean up. We were very happy with repipe pros."
Recommended by100%of homeowners
Logical Rooter & Drain Cleaning Services
5.0(
13
)

Serving Diamond Bar, CA and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"It was a real emergency! I had family visiting from out of town and my tub was completely clogged! Jose came and easily cleared my drain that evening!!! And this was after the plumber sent by my warranty company couldn’t fix it! Jose was extremely professional and personable. I would not hesitate to hire him again."
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Recommended by100%of homeowners
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Install Garbage Disposal FAQs, answered by experts

No, you do not need a garbage disposal to have a dishwasher. A dishwasher will work without one, and while it's rare to see a home with a dishwasher that doesn't have a disposal, it is possible. The two appliances pair well and are often installed together because a disposal simplifies meal cleanup.

However, your dishwasher should not be used as a replacement for a garbage disposal. Subjecting it to continuous food leftovers can lead to major clogs. If you choose not to install a garbage disposal, you should thoroughly rinse your plates or scrape excess food into the trash or a compost pile before loading them into the dishwasher to prevent plumbing issues.

Whether it's worth repairing your garbage disposal depends on its age and the specific problem. Generally, if the unit is eight years old or younger, repair is a good option. For minor issues like a bad seal or a simple jam, a repair can be inexpensive, sometimes under $10. However, if the motor is broken (a repair that can cost $150 or more) or the unit is getting old, it's often more cost-effective to replace the entire disposal.

The most common garbage disposal size in the U.S. is 1/2 horsepower. This size is ideal for households with three or fewer people or those that don't produce much food waste. Although 1/2 horsepower can't handle the typical food waste load for a household of four (which is about 250 pounds of food waste annually) as effectively as 3/4 horsepower, it remains the most common size of garbage disposal on the market.

While the drain connection for a garbage disposal is nearly universal and fits standard sink drain holes of 3 1/2 to 4 inches, the size of the disposal unit itself is not. You must have enough space in the cabinet underneath your sink to accommodate the disposal's housing. A larger model may not fit in a compact cabinet or if the existing plumbing is arranged in an unusual way. Before buying a new garbage disposal, measure the available space under your sink. If you are replacing an old unit, it's often easiest to choose a new model of a similar size.

On average, it takes one to four hours for a professional to install a garbage disposal. This includes removing the old unit, taking necessary measurements for positioning, removing and fitting new pipes, and installing the brand-new disposal system. If there are unforeseen issues, such as accessibility concerns, the process takes longer.

The Diamond Bar, CA homeowners’ guide to garbage disposal installation services

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