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Top-Rated Foundation drainage installers and replacers in Portsmouth - Updated Nov 2026

Avatar for JW's Landscape Construction, LLC
JW's Landscape Construction, LLC
4.3(
48
)
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"John Welch did a great job installing pervious pavers in driveway as required by local planning board. John took care of all aspects of driveway improvement including obtaining proper permits along with accompanying me at the planning board meeting for approval of the driveway project. John also has a very friendly and hard working crew. Highly recommend JW Landscape"
 Paver driveway drainage failing
 Old fronty entry
 New Home with no walkway
 Building a stone wall on the water in Dover
 Landscape timbers falling down

+221

5 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for East Coast Landcare, LLC
East Coast Landcare, LLC
5.0(
1
)
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

Approved

Free estimates

Offers commercial services

"We had an area in our yard where we had removed a tree and grass would not grow. We tried reseeding for several years, and they result was always the same... a big bare patch. Dustin came up a great plan...stones, pavers and some plants, but plenty of room for us to personalize it. BTW...far right of the photo is a drainage ditch that he had to work around....integrated it nicely into his work."
Project Photos
Project Photos
Project Photos
Project Photos
Project Photos

+4

3 neighbors recently requested a quote
Avatar for Four Seasons Masonry And ChimneyConstruction
Four Seasons Masonry And ChimneyConstruction
New to Angi
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Excellent Work on My Fieldstone Foundation! I couldn't be happier with the work Four Seasons Foundation Repair did on my fieldstone foundation. They did a great job, and I'm extremely pleased with the results. Their workmanship and attention to detail really showed. It's not easy working with older fieldstone foundations, but they handled the job beautifully. I highly recommend Four Seasons Foundation Repair to anyone looking for quality foundation work. Thank you for a job well done!"
Chimney repairs
Chimney repairs
Chimney repairs
Chimney repairs
Chimney repairs

+3

Alliance company
New to Angi
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

Approved

Owned and operated by Jide Williams, Alliance is a full-service site preparation and excavation company. We specialize in transforming raw land into build-ready sites through expert grading, land clearing, and demolition. Whether you need materials delivered, debris hauled out, or complex tank and stump removal, we provide the heavy equipment and the "lead contractor" expertise to keep your project on schedule and on budget.

Retaining wall
Retaining wall
Process
Retaining wall
Retaining wall

+33

3 neighbors recently requested a quote
Avatar for Jackson and Company Foundation Repair
Jackson and Company Foundation Repair
4.5(
20
)
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"I contacted Jackson and Company to obtain
a quote; Mr. Jackson contacted me within a few hours! Rick was polite and very
professional during our conversations. He came out to see the cracks to ensure
that my quote was accurate, especially since I had explained that someone had
attempted to "repair" the cracks previously. Rick arrived promptly at
my home and reviewed my situation. He answered all of my questions and
addressed all of my concerns. He also explained that his work would be covered
under a transferrable warrantee! I had several other quotes however no other company
offered any type of warrantee.
Rob arrived on time to do the job. Rob
was so nice and professional; I was greeted with a smile and a handshake. I
really wanted to see the process and he took the time to explain each step to
me. He worked tirelessly to clean up the mess of the failed ?repair? I could
not believe how much better it looked! He then proceeded to perform the repair allowing
me to watch and take pictures, it?s quite the process. He left both areas that he
worked on immaculate!
I have such peace of mind now knowing
that I will no longer have to worry about there being a huge puddle in my
garage or basement or water spouting out of the cracks! I am so glad that I
chose Jackson and Company to perform this work for me and I would recommend them
to anyone!


"
Additional Photos
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Additional Photos

+4

Recommended by82%of homeowners
Avatar for Pridham Roseberry Properties, LLC
Pridham Roseberry Properties, LLC
4.8(
22
)
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

In business since 2019

Free estimates

Small jobs welcome

"David and his crew were professional, prompt and thorough. He really listened to what the problem was and worked wonders improving the drainage on a very difficult site. I highly recommend this company."
Finished lot
Work in progress
Lot clearing
Area
All done

+24

Response time4 hrs
Response rate87%
Recommended by95%of homeowners
Avatar for Rain and Shine Masonry and Construction
Rain and Shine Masonry and Construction
4.6(
17
)
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"The roofing job was completed in very timely manner. They worked with me on getting the correct color of the shingles and fixed the old gutters. I requested the standing water against the side of the house be fixed. They install a drainage pipe. It has rained hard several times now and the front yards drains without a problem. Everything was done a in a timely manner. I also request a walkway be install. All my neighbors have commented on how well the house looks. They did an excellent job and the clean up was great. I would hire them again for any future projects."
Additional Photos
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Additional Photos

+29

Recommended by87%of homeowners
Avatar for New England Foundation Crack Repair
New England Foundation Crack Repair
5.0(
4
)
Foundation Drainage - Install or Replace

Serving Portsmouth, NH and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

New England Foundation Crack Repair was founded with the sole purpose of providing economically sound solutions for you and your home while adhering to high safety standards and operating with honesty and integrity. We strive to ensure all of our clients needs are not only met, but exceeded, ensuring all our customers are left with a satisfying experience as well with a solid investment in their home's future.

Additional Photos
Recommended by100%of homeowners
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