Costellos plumbing

★★★★★ 4.8 / 5 (52)
: 3826 Anza Way, San Leandro, CA 94578
: (510) 415-0725
: http://costellosplumbing.com

Company Overview

In San Leandro, CA, and its vicinity, Costello's Plumbing provides superior plumbing services for both home and business owners. We bring more than 18 years of plumbing experience to the table, ensuring quality service. We prioritize delivering exceptional plumbing services above all else. We achieve this consistently by utilizing the finest tools, materials, and methods for plumbing installations and repairs. Our services are unmatched in the industry. Our approach is to deliver fast and effective service without compromising on quality. Rest assured, we are licensed and insured for your protection.

At Costello's Plumbing, we pride ourselves on delivering the best customer service possible. We deliver quality workmanship at a fair price. We will assess and address your plumbing issues effectively.

We aspire to be your lifelong plumbing partner if you allow us the opportunity. We prioritize customer satisfaction and solving your plumbing problems while ensuring your comfort. Putting our customers first is our mission, and we aim to provide the best solutions possible.

Business Services

  • Drain installation
  • Drain repair
  • Faucet installation
  • Faucet repair
  • Garbage disposal installation
  • Garbage disposal repair
  • Gas line installation
  • Gas line repair
  • Hot water recirculation pump installation
  • Plumbing inspection
  • Plumbing installation or replacement
  • Plumbing repair
  • Sewer installation
  • Sewer repair
  • Sink installation
  • Sink repair
  • Sump pump installation
  • Sump pump repair
  • Toilet installation
  • Toilet repair
  • Water heater installation
  • Water heater repair
  • Water pipe installation
  • Water pipe repair

Business Location & Hours



Mon:7:00 AM - 9:00 PM
Tue:7:00 AM - 9:00 PM
Wed:7:00 AM - 9:00 PM
Thu:7:00 AM - 9:00 PM
Fri:7:00 AM - 9:00 PM
Sat:7:00 AM - 4:00 PM
Sun:Closed

Recommended Customer Reviews

Cathy D.
★★★★★

I called Gary yesterday and he arrived today exactly on schedule. I had a problem with both my upstairs toilets - one leaked and the other was wobbling. Gary removed both and found that they had not been sealed, they were basically just sitting on the floor with a bit of caulk around the edge. Gary thoroughly cleaned the floors and the under side of the toilets and put in proper seals and replaced the toilets. He did the work very efficiently and left his work area spotless. I would definitely use him again for any plumbing emergency. Forgot to mention he is also a very nice guy.

Tuan D.
★☆☆☆☆

Lousy job, all they look for money not to do the job, better consider carefully before calling this guys

Amos C.
★★★★★

We had a garbage disposal that was leaking, contacted Costello's, and were able to get an appointment the next day.

Miguel was our service technician, and he was great. Quickly diagnosed that a replacement was needed and explained why, left to pick up the parts, then returned to complete the installation -- all in the same appointment.
Miguel will also talk you through pro's and con's about different choices (what to fix now, what to wait on, etc.) and explain each step of what he's doing.

This is our third repair with Costello's (all for different causes). Highly recommended when you have an emergency leak of any kind!

Carole K.
★★★★☆

Very quick response, and the job didn't take overly long. We had them completely repipe our 98-year-old house with copper. Never wanted to have to deal with floods again!

They did a few squirrelly things, which we had to pay to have redone, and they left somewhat of a mess for me to clean up, but basically the job is done and hallelujah for that!

If you are repiping, btw, my General Contractor told me, you are supposed to insulate the hot water lines. They didn't.

Victor S.
★★★★★

It looks like we found our local plumbing superheroes! Quick response, repairs, and future project advice - they're like the Avengers of home maintenance. Exciting to have reliable folks nearby!

Tao Z.
★★★★★

Got the handle of my (very old) water main valve broken that was on the off position, so no water going in the house. I used Yelp project and a few plumbers contacted me. Most seem pretty qualified. I ended up using Costellos as they were able to do the fix the same day with reasonable price. The team is very professional and efficient with their work. Word was done very well. Will use them again for my future plumbing needs.

Joseph C.
★★★★★

Just had our water heater done by Costello's Plumbing. I was a pleasure dealing with these guys. Miguel came in and scanned the work that needs to done throughly. Explained why it needs to done. At the end of the job, he explained how to work the heater(igniting pilot, flushing etc.). Ask for Miguel. He will not disappoint. So friendly and accommodating too. Good job!

Ashley C.
★★★★★

Toilet needed to be replaced - Alex and his manager came in and quickly and seamlessly completed the service. Would highly recommend!

Anna L.
★★★★★

Our 18 year old hot water heater stopped working last weekend. Costello's was the first plumber we called and Gary the owner answered and started working with us immediately. He had to do some leg work (calling, driving) to get us the new hot water heater so he could replace ours the same day. He kept us informed on what was happening. He was responsive, polite, and did great work. I highly recommend.

Angela H.
★★★★★

Great service, punctuality, and affordable!Alex was friendly and efficient when fixing our disposable.

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