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  • Average homeowner rating star icon4
    Average homeowner rating
  • Verified reviews icon31
    Verified plumbing services reviews

Top-Rated Plumbers in Bethlehem - Updated Nov 2026

Avatar for Jacuzzi® Bath Remodel
Jacuzzi® Bath Remodel
4.6(
131
)
Bathtub Install or ReplaceShower Install or Replace

Serving Bethlehem, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Credit card accepted

"Installers arrived on time and worked very hard and efficiently. Project took two days since in addition to the shower conversion they also installed a new LVP floor and a new toilet. Rafael and his assistant were top notch and left the house and work area clean even at the end of the first day. I highly recommend them if you are considering a project. They made an effort to minimize the time water was shutoff as well."
Bath - Shower Remodel
Bath Makeover
Bath Makeover
Bathroom remodel
Bath Makeover

+10

Response time1 day
Response rate91%
Recommended by72%of homeowners
Avatar for Groundworks
Groundworks
4.6(
26
)
Sump Pump or Interior Foundation Drains - Install

Serving Bethlehem, NH and surrounding areas

Approved (Corporate)

In business since 1996

Free estimates

Warranties offered

"Just finished a visit with Foreman Doug and his crew, Devin, Sean, and Mason. Waterproofing the basement and super sound and solid work! Doug was professional and very good at keeping me in the loop with the project over the 3 day visit, and created a solid system that we are confident will keep water out of the basement forever. Above and beyond as well with problem solving when having to find solutions to fit our basement layout, all with a solid financing option/great price and 5 year warranty/ yearly inspection plan. If you are stuck with water in your basement, get Groundworks working for you ASAP!"
Foundation
Foundation
Foundation
Basement
Basement

+16

Response time12 hrs
182 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for Rider's Home Improvements
Rider's Home Improvements
4.6(
13
)
Walk In Tub - Install or ReplaceBathtub Install or ReplaceBathtub Install or Replace - For Business+2 more

Serving Bethlehem, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"Very well. Craig was very conscientious about my needs and opinion, checkin with me regularly. Working on an old house has a unique challenges, but Craig and David worked together to find solutions. Craig was also a wealth of information for me regarding the finishing touches that I plan to do."
Bathroom Renovation
Siding
Exterior Painting
Framing
Additional Photos

+7

Response time4 days
Response rate100%
3 neighbors recently requested a quote
Avatar for Northern Basement Systems
Northern Basement Systems
4.4(
10
)
Sump Pump or Interior Foundation Drains - Install

Serving Bethlehem, NH and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"They weren't able address part of my project which included fixing a bulkhead wall, and masonry. I wanted to have it all addressed project by project and discovered that there was more damage to one of the walls that needed fixing. As they weren't concrete 'masons', they wouldn't be able to fully address that before installing a drainage system. It was all within my budget. I just didn't want to have the drainage system installed and have it fail because due to the mortar crumbling. The person that went to my house spent a considerable amount of time. He was knowledgeable, courteous, and not pushy. It wasn't until I had another contractor come through that I realized that what I had initially planned on was not going to work. When I went to cancel, the person that handled my estimate was concerned that I was cancelling and that I was being given "bad advice" from another contractor. I thanked him for the time he spent, and the information that he gave me, and sent my cancellation form. I would have hired them had they been able to fully address the entire project(s)."
Gap between chimney and home
Crew at work
The piers
Chimney after piers are installed
Smart Jacks

+9

Response time2 days
4 neighbors recently requested a quote
Recommended by71%of homeowners
BLAKE MOUNTAIN HOME IMPROVEMENT LLC
5.0(
2
)
Shower Install or ReplaceBathtub Install or Replace

Serving Bethlehem, NH and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Bill was great to work with! He did such a great job. He was very honest and had great ideas. He was extremely professional and kept to his word. He showed up on time and completed the project in a timely manner. His prices are reasonable and fair. I have several future projects lined up with Blake Mountain Home Improvement. I can't say enough great things about Blake Mountain. As a matter of fact I still talk to him!!"
2 neighbors recently requested a quote
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Plumbing FAQs, answered by experts

Yes, frozen underground pipes can burst. When water inside the pipe freezes, it expands, increasing pressure on the pipe walls. If the pressure becomes too great, it can cause the pipe to crack or burst, leading to significant water damage when the ice eventually thaws.

Vinegar could damage drain pipes in theory since it’s corrosive in large quantities. However, you would have to pour a whole lot of vinegar down the drain at regular intervals to cause any issues. Adding a bit every now and then to clear out clogs is fine.

While you can put Drano in a sink with standing water, most plumbers don’t recommend doing so. It usually doesn’t help to clear the clog, and you’ll end up with a sink full of standing water plus a toxic chemical—which is very unpleasant to deal with and best handled by a professional.

If you notice water dripping from your bathroom fan, you likely have an accumulation of condensation. The fan pulls warm, wet air from your bathroom and into the attic. However, if the water accumulates as condensation over time, it can begin to drip back out of your bathroom fan. It’s important to take action quickly to prevent mold growth and water damage.

Wall-mounted faucets are installed 6 to 8 inches above the countertop. The height you choose is very significant because the wrong choice will lead to a faucet that splashes water everywhere. Your installer should have a good recommendation based on your sink type, size, and shape. A good installer will ensure the sink is comfortable and splash-free.

The Bethlehem, NH homeowners’ guide to plumbing services

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