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TRUSTED BY GRANTHAM, NH HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon134
    Verified foundation drain installation services reviews

Top-Rated Foundation drain installation pros in Grantham - Updated Nov 2026

Avatar for Northern Basement Systems
Northern Basement Systems
4.6(
21
)
Foundation Drainage - Install or Replace

Serving Grantham, NH and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Paul Swann evaluated our foundation problem and referred us to an engineer who provided a detailed repair plan. Unfortunately, the nature and scope of the proposed repair plan was outside the parameters of what Northern Basement System's themselves could provide. We appreciated their honesty and have been looking for a contractor to take on the project."
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+25

Response time1 day
3 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Action Plumbing Heating And Air
Action Plumbing Heating And Air
4.9(
92
)
Sump Pump or Interior Foundation Drains - Install

Serving Grantham, NH and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Mike was great. He took his time to explain what he was doing. I had a sediment filter installed and he replaced the pressure tank. He showed me how to check/replace filter as needed. He came by and diagnosed my problem without charging a service fee. He was very thorough and was not in a rush. His price was fair. He gave his professional opinion and did not try to "sell" me products that were not needed when I inquired about a water softener for my house. Great guys both him and his partner. I highly recommend giving them a call for your next plumbing job!"
Response time1 day
Response rate89%
19 neighbors recently requested a quote
Avatar for GM Mechanical LLC
GM Mechanical LLC
5.0(
9
)
Sump Pump or Interior Foundation Drains - Install

Serving Grantham, NH and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Gage is as professional as they come! He works efficiently, his rates are great and he left the site clean, clearing out any debris lying around. I am actually having him back today to do some other plumbing for me. When you find a professional that works above and beyond you keep them knowing that all your future jobs will be handled thoroughly and correctly. In my opinion Gage is 2nd to none. He is a keeper!"
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+11

Response time1 day
Response rate100%
Recommended by88%of homeowners
Avatar for Egagnon Construction and Excavation
Egagnon Construction and Excavation
5.0(
3
)
Concrete Foundation - Install

Serving Grantham, NH and surrounding areas

Approved

In business since 1987

Free estimates

Small jobs welcome

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today! \n

Response time1 day
Recommended by100%of homeowners
Avatar for Basement Solutions LLC
Basement Solutions LLC
New to Angi
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Grantham, NH and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

We pride our company on reliability, integrity and quality work. We are experts in our trade. We look forward to earning your business! We specialize in concrete crack repair and injections, basement waterproofing, sump pump installations, basement and egress window installations, crawlspace repair, moisture control, foundation repair and so much more.\nCall us today for a free estimate.

Egress
Egress
Egress
Sump Pump
Perimeter System

+4

11 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Concrete Foundation - Install

Serving Grantham, NH and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"I recently had my shingle roof replaced and I?m very happy with the results. The team was professional, punctual, and completed the job efficiently. The quality of the work is excellent, and the new roof looks great. They kept the work area clean and communicated well throughout the process. I would definitely recommend them to anyone needing a roof replacement."
Avatar for Green Mountain Basement Solutions LLC
Green Mountain Basement Solutions LLC
4.0(
30
)
Concrete Foundation - InstallFoundation Drainage - Install or Replace

Serving Grantham, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Mike was able to fit me in the same day for an estimate which surprised me because I'm sure a lot of people are needing his services with all the rain lately but he was in the area that day and came by. Although the company is a nation wide chain, its a franchise and a small business. He is an honest Vermonter with Vermont values which I appreciate. He gave me options but didn't try to talk me into something I couldn't afford and is doing the work within two weeks which I was also happy about being a very busy time for this type of thing."
Recommended by75%of homeowners
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Foundation Drain Installation FAQs, answered by experts

Most sump pumps come with power cords that can be plugged into an outlet, but there are options that can be hardwired into a home’s electrical system. Either way, it’s smart to have a backup power supply in case the electricity goes out during a storm. That way, the sump pump can keep running and removing water from the sump pit.

No, homeowners insurance policies do not typically cover sump pump installation. However, some companies may offer incentives in the form of discounts or reduced premiums if homeowners install sump pumps. Insurance companies do this because sump pumps can reduce water damage claims. You may also be able to obtain enhanced water-backup coverage after installing a sump pump.

No, you can’t drain your sump pump into your home’s sewer system. In fact, it’s against the law in many places because dumping extra water into a municipal water system can disrupt or overwhelm the treatment process. And for similar reasons, you shouldn’t discharge a sump pump into your septic system, either.

Yes, you can install a sump pump yourself. By following the steps above, you can have a sump pump installed in 24 hours. You will have to use some advanced tools and techniques, so if you feel uneasy about taking it on yourself, it’s best to hire a professional.

Signs include persistent dampness, mold or mildew presence, musty odors, and visible water stains. If any of these occur, it is advisable to contact a professional for an inspection.

The Grantham, NH homeowners’ guide to foundation drain installation services

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