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TRUSTED BY JOHNSTON, RI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.2k+
    Verified plumbing services reviews

Top-Rated Plumbers in Johnston - Updated Nov 2026

Avatar for J & O Plumbing, LLC
J & O Plumbing, LLC
4.6(
107
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceWater Heater - Repair or Service+17 more

Serving Johnston, RI and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"I had a really positive experience with J & O Plumbing, LLC in Warwick, RI. They were professional, reliable, and courteous from beginning to end. The team was knowledgeable, arrived when they said they would, and took the time to explain the work clearly. I appreciated their attention to detail and the fact that they treated my needs with care. The work was completed efficiently and professionally, and the pricing was fair and reasonable. It?s great to find a local plumbing company that takes pride in doing quality work and keeping customers satisfied. I would definitely recommend J & O Plumbing to anyone in the Warwick area who needs dependable plumbing service."
Response time6 hrs
11 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Morel Plumbing & Heating LLC
Morel Plumbing & Heating LLC
5.0(
45
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For Business+10 more

Serving Johnston, RI and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"I had a plumbing need in my basement. It was a leaky sewer drain stack. I contacted two different companies thru Angi's list. Both came to look at the job and quote it. John Morel came in almost one half the cost. The other company wanted to do extra things do do the job, seems that was to make it easier on him. John proved that it was not necessary. He was very professional, quick and did it right. Thank you Angi's list. I called them to verify his reviews. He is a 5 star plumber. I would definitely recommend him. John N"
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Steve Dupre Plumbing
Steve Dupre Plumbing
5.0(
58
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearFaucets, Fixtures and Pipes - Repair or Replace - For Business+4 more

Serving Johnston, RI and surrounding areas

Approved

In business since 2000

Free estimates

Small jobs welcome

"It was a pleasure working with Steve. I live in a 115 year old house, which had some significant, complex plumbing issues. Steve arrived on time with a smile. He stayed all day until the situation was completely corrected. Then he cleaned up nicely. His fee was very reasonable, and I am happy to recommend him to anyone looking for a knowledgeable, professional plumber."
Two kitchen faucet install.
Under kitchen sink filter
Custom shower door.
Old shower door
New custom made shower door

+9

Response time8 hrs
Response rate93%
4 neighbors recently requested a quote
Avatar for Catanzaro Superior Drain Cleaning
Catanzaro Superior Drain Cleaning
5.0(
108
)
Drain Clog or Blockage - Clear

Serving Johnston, RI and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"My sister-in-law told me about Justin when I needed to replace a toilet. I called him yesterday, 2/18, and told him what I needed done. He picked up the new toilet, installed it perfectly and took the old one with him. I have never experienced a plumber like him: willing to help ASAP, professional, honest, personable and so kind! Finally…I have a great plumber!"
Response time2 hrs
Response rate94%
Recommended by96%of homeowners
J&K Supplemental Plumbing, Inc.
4.8(
78
)
Water Heater - Install or Replace

Serving Johnston, RI and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"I would give him ten stars. He did a fabulous job. He gave me a fair price. He filled me in every step of the way. I would highly recommend him to everyone.He cleaned up every day. I think he loved my vacuum. I trusted him with my home. I would hire him again in a heartbeat. He replaced my pump up system in my downstairs bathroom. He had to dig two feet below my foundation. He took out the old shower and installed a new one. He replaced my sink. I told everyone in my family if they need plumbing work to use him."
Repair Pvc broken toilet flange.
Recommended by89%of homeowners
Avatar for Holy Plumber
Holy Plumber
5.0(
16
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Johnston, RI and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Holy Plumber Services was the first to reach out and accept the job. Pedro was at our home within 40 minutes. He fixed our blocked drain and suggested other repairs that were needed to be done also. Pricing was fair and competitive done in a professional manner. I would highly recommend this company to work in your home."
Unclogging Drains
Unclogging Drains
Response time9 hrs
Response rate89%
4 neighbors recently requested a quote
Avatar for Beacon Drain Service, LLC
Beacon Drain Service, LLC
5.0(
17
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessSewer Main - Clear+3 more

Serving Johnston, RI and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Your company is outstanding and we are extremely happy. Our technician Garett was prompt and polite. He was very knowledgeable and explained things about our situation that we were totally unaware of. Potentially saving us time and money down the road. Garrett was attentive to our to our needs and was very careful of our pets as he was working. We would definitely use Beacon Drain Service again."
Additional Photos
Additional Photos
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Additional Photos
Response time1 day
Recommended by93%of homeowners
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Plumbing FAQs, answered by experts

When tackling plumbing in Johnston, choose materials suited for the soft, slightly acidic water from the local reservoir. This water accelerates corrosion in older copper or galvanized steel pipes. You should upgrade any outdated galvanized pipes or lead solder joints to modern, code-compliant materials for safety. Additionally, always use cold-rated materials for exterior pipes to withstand the freezing RI winters.

Helpful?

Cosmetic plumbing updates, like replacing a faucet, do not require permits and are safe for homeowners to tackle. Functional projects, such as moving drain lines or replacing water heaters, require permits and a licensed professional. Opening walls in older Johnston homes for cosmetic updates exposes hidden pipe damage and triggers strict lead paint regulations under Rhode Island safety standards.

Helpful?

Start by requesting a lead service line inspection, since older Johnston properties feature lead pipes. Next, assess your water heater, because the local acidic water accelerates tank corrosion. You should also verify your sump pump operates correctly to prevent basement flooding. Finally, insulate pipes in unheated areas before winter arrives to ensure your plumbing survives the freezing Rhode Island temperatures.

Helpful?

The cold RI winters create a high risk for frozen pipes in unheated spaces like garages and crawl spaces. You must install all underground plumbing below the 48-inch frost line to prevent freeze damage. Repeated freeze-thaw cycles stress pipe joints over time. During spring thaws and heavy storms, basement flooding is common, making a reliable sump pump essential for protecting your Johnston home.

Helpful?

Always hire a licensed professional for functional plumbing work, as Rhode Island law requires proper permits and inspections. You must also identify whether your home connects to the municipal sewer system or relies on a private septic tank. Renovating older Johnston homes reveals outdated cast iron or galvanized pipes, requiring mandatory upgrades to meet current safety and building code standards.

Helpful?

The Johnston, RI homeowners’ guide to plumbing services

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