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TRUSTED BY SAN LEANDRO, CA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon1k+
    Verified plumbing services reviews

Top-Rated Plumbers in San Leandro - Updated Nov 2026

Avatar for Facilities Plumbing & Drain
Facilities Plumbing & Drain
4.8(
52
)
Drain Clog or Blockage - ClearTankless Water Heater - InstallDrain Line Breakage - Camera Locate+17 more

Serving San Leandro, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"I had a leaky gas shut- off valve on the gas line to my fireplace . After getting a few estimates, where people were asking $90 for coming over and giving an estimate, I was fortunate to find Facilities Plumbing and talked to Robert, who agreed to come over and provide a free estimate. He arrived at the appointed time and put on shoe covers before entering the house. Since the valve is located behind the drywall, he explained that he would have to cut the drywall in order to access and look at the valve. He gave an estimate for this part. After cutting open the drywall, he tested the valve for the leak and showed me the leak. This valve is situated such that it would have taken a whole day to replace it and would have involved cutting more drywall and 4x2s. Robert suggested that he can try to fix the valve to which I gladly agreed. He did, and fixed the valve and made sure there was no more leak. The whole job took a little over an hour and I ended up saving lot of money and headache. In addition, the job is guaranteed for 4 years which is way more than industry average. I am so glad I found Facilities Plumbing. I would hire them for all my future plumbing work. Robert is very friendly, pleasant and competent plumber. I wholeheartedly recommend him."
Starbucks 100-Gal Waterheater
Sediments inside supply line
3M 100,000-Gal
dual 3m filter install
3M 100,000-Gal

+44

Response time6 hrs
Response rate100%
74 neighbors recently requested a quote
Precise Plumbing
4.8(
448
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+2 more

Serving San Leandro, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Customers say: Quality work

"These guys are cool. They are the best. Got here fast and took care of business like pros. Honestly the company has good people who care about their work and giving the customer their moneys worth. Other plumbers wanted more $ highly recommended for any household plumbing issue large or small Thx guys"
Vessel sink
Floor drain and floor sink
Commercial floor drain
Laundry room
Pressure assist commercial toilet

+3

Response time6 hrs
Recommended by95%of homeowners
Avatar for Costello's Plumbing
Costello's Plumbing
4.9(
18
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+8 more

Serving San Leandro, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Very fast response to request. Victor showed up in record time after receiving call . Job entailed a little more than I expected, but Victor got the work done in record time. I would hire this company again and definitely will recommend to anyone needing plumbing services."
Response time3 hrs
Recommended by100%of homeowners
Avatar for Plumbing 1 Builder's Inc
Plumbing 1 Builder's Inc
5.0(
17
)
Faucets, Fixtures and Pipes - Repair or ReplaceGas PipingSewer Main - Install, Replace or Repair+22 more

Serving San Leandro, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"Mr. Leo & Javier did a " Wonderful" Job on the Repair. Without them, I wouldn't know where to Began. I just Love the Thought and the Feeling of " Warm Water Again." I'm Very Appreciative to Leo & Javier. I will Allways Call Recommend them to my Friends& Neighbors."
Response time3 hrs
Response rate85%
60 neighbors recently requested a quote
Cost U Less Plumbing and Drain
4.8(
58
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Repair or Service

Serving San Leandro, CA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"Excellent service! Pablo called immediately after I had submitted my HA inquiry, to see how he could assist with my project. He was able to come to my house same day; and even showed up to the appointment earlier than expected. He did the work efficiently and well, and was very courteous. Great service and for a reasonable price. Will definitely call Cost U Less Plumbing & Drain in the future when I need a professional plumber. Thanks Pablo!"
Recommended by96%of homeowners
Local Plumbing & Remodeling
4.8(
13
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+3 more

Serving San Leandro, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Leo was prompt to respond, flexible with timing and personable. I had intermittent noisy pipes and he tracked down the location quickly and fixed it. He insisted on cleaning up despite me telling him I would take care of cleanup. I highly recommend Leo. Nice job"
1 neighbors recently requested a quote
Recommended by46%of homeowners
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Showing 1-10 of 638
Plumbing FAQs, answered by experts

Watch for rust-colored water or widespread low water pressure, which point to severe galvanized pipe corrosion. Multiple slow drains and yard sewage odors indicate a failing sewer lateral. Unexplained summer water bill spikes or unusually green yard patches signal underground leaks. Address any new drips or pressure changes immediately after seismic activity, as earthquakes easily damage older plumbing in San Leandro.

Helpful?

After completing plumbing projects, always schedule a final inspection to close out your city permit. Confirm compliance with the local utility district for any water meter or backflow device changes. Request as-built diagrams from your licensed contractor to document new pipe layouts. Finally, inspect outdoor and crawl space areas for moisture intrusion after the first seasonal rains in San Leandro.

Helpful?

Your foundation type directly impacts plumbing accessibility. Low-clearance crawl spaces and slab-on-grade foundations make pipe repairs highly invasive. Expansive clay soils and liquefaction zones shift underground lines over time, complicating excavation. Homes built before 1978 require strict lead-based paint safety measures when opening walls. Hillside properties and unpermitted prior renovations also add significant complexity to any plumbing project in San Leandro.

Helpful?

Updating your plumbing significantly boosts resale appeal by addressing deferred maintenance. California law requires sellers to disclose known material defects, making documented, permitted upgrades highly valuable. Replacing aging sewer laterals or galvanized pipes removes major red flags for buyers. A passed sewer lateral inspection serves as a strong selling point and a standard expectation for real estate transactions in CA.

Helpful?

Before scheduling plumbing services, document your home’s construction year to help local professionals identify likely pipe materials. Pull your property’s permit history from city records to check for unpermitted prior work. Note your water meter location, sewer connection status, and any known soil or foundation issues. Gather previous inspection reports and check for a seismic gas shutoff valve in CA.

Helpful?

The San Leandro, CA homeowners’ guide to plumbing services

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