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TRUSTED BY GRANTHAM, NH HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon27
    Verified retaining wall installation services reviews

Top-Rated Retaining wall installation pros in Grantham - Updated Nov 2026

3 Brothers Masonry
4.7(
76
)
Retaining Wall - Install

Serving Grantham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Credit card accepted

"Ben not only replied immediately to my posting, but gave me a very reasonable quote based on the picture I had sent him of the damaged retaining wall. I suggested he might want to see the actual wall to make sure his price quote would stand, so he came over (on a Sunday!) and immediately said he could repair the wall right then! I am more than thrilled with the beautiful work he did and would hire him again for any type of stone work in the future."
Our work
Our work
Our work
Walkway
Front entry brick rises and granite treads

+2

Response time4 hrs
Response rate93%
3 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Retaining Wall - 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 Four Seasons Masonry And ChimneyConstruction
Four Seasons Masonry And ChimneyConstruction
New to Angi
Retaining Wall - Install

Serving Grantham, NH and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

Four Seasons Masonry & Chimney Construction \n \nBuilt tough. Built right. Built to last. \n \nYour home doesn?t need a quick fix?it needs work that can take a beating. At Four Seasons Masonry & Chimney Construction, we bring serious craftsmanship to the jobs that matter, from crumbling chimneys and cracked foundations to masonry, concrete, waterproofing, roofing, siding, and structural repairs. \n \nWe work with brick, stone, block, and concrete to restore what?s damaged, reinforce what?s failing, and build what?s missing. No cover-ups. No shortcuts. Just solid construction designed to stand up to New England weather and the test of time. \n \nWhether your chimney is showing its age, your foundation needs attention, or your property needs a complete masonry overhaul, our crew comes prepared to diagnose the problem and get the job done right. \n \nOld brick. New construction. Big repairs. Small repairs. We build it. We fix it. We make it last. \n \nFour Seasons Masonry & Chimney Construction ? Tough work. Clean results. Built for every season.

Chimney repairs
Chimney repairs
Chimney repairs
Chimney repairs
Chimney repairs

+3

Avatar for Northern Outdoor Services
Northern Outdoor Services
5.0(
6
)
Retaining Wall - Install

Serving Grantham, NH and surrounding areas

In business since 2009

Free estimates

"We unfortunately got scammed by a previous contractor in 2021 when we purchased our house in Elizabeth City. Our home reno paused for about a year until we met Thaad. He has been working with us through our whole home reno, he has done our living room, our bathroom, and has helped us finish our kitchen. This guy is one of the best, honest, and most hardworking contractor we have ever worked with. If you want reliability, great service, and great communication then he is your guy."
Response time6 hrs
Recommended by100%of homeowners
Avatar for Angel Phoenix Moon Light Concrete
Angel Phoenix Moon Light Concrete
4.0(
1
)
Retaining Wall - Install

Serving Grantham, NH and surrounding areas

In business since 2016

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.

Recommended by100%of homeowners
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Retaining Wall Installers FAQs, answered by experts

Small retaining walls still require a foundation of some kind, typically a concrete footing. This helps to ensure the wall is structurally sound and prevents the ground from shifting over time, especially during those winter freeze/thaw cycles. The footing helps spread the weight of the wall and the load it carries over a larger area of the ground, thus assisting with stability. This is true of small retaining walls, larger rock garden walls, and the like. 

Yes, to build a retaining wall, a permit is required. Similarly, any repairs or modifications to an existing retaining wall require permits. If the planned wall measures higher than 4 feet, most municipalities require designs and permits come through a licensed engineer. In some locations, if the wall is shorter than 4 feet, a permit may not be required. For the requirements in your area, contact your local government.

Through proper drainage solutions and compacting the foundation soil.

Rebar is a steel support that goes inside concrete to prevent structural damage over time. Concrete is susceptible to impact, weight, and tension. By inserting rebar into the concrete during the installation, you can help extend its lifespan and avoid hazardous situations where the foundation of your home gives way to tensile forces.

To maintain the integrity of your landscape, a retaining wall must be installed if the slope of the angle exceeds 35 degrees. The lean of the wall must be 1 inch per 12 inches in height to disperse the weight of the soil uniformly and guarantee the correct drainage of the soil.

The Grantham, NH homeowners’ guide to retaining wall installation services

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