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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon34
    Verified retaining wall installation services reviews

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

Sonart Construction Corp.
2.3(
7
)
Retaining Wall - Install

Serving Fitzwilliam, NH and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

Avatar for Four Seasons Masonry And ChimneyConstruction
Four Seasons Masonry And ChimneyConstruction
New to Angi
Retaining Wall - Install

Serving Fitzwilliam, 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 KFG Concrete Construction
KFG Concrete Construction
4.8(
64
)
Retaining Wall - Install

Serving Fitzwilliam, NH and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"I recommend Kevin from KFG concrete he was on time call you back requested a quote came out on a Sunday took measurements of the steps came out Monday demolished them and next day the new steps were installed. I would hire him for any work that has to be done. He was very good and dependable."
Traditional / decorative
Stamp
Exposed
Additional Photos
Additional Photos

+74

Recommended by98%of homeowners
Avatar for JC Property Innovations LLC
JC Property Innovations LLC
5.0(
4
)
Retaining Wall - Install

Serving Fitzwilliam, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"We needed an outside wall replaced due to rot. JC responded to our inquiry quickly and was able to put us in the schedule quickly. They did a fantastic job replacing the wall, installing a sliding glass door and new windows. In addition, the living room was painted an a gutter was installed surrounding our deck. Communication was great. I would highly recommend them."
Removal of Deck
Footings Installed
Slider Wall Framed
Plywood on walls
Ridge Pole set

+40

Response time5 hrs
Recommended by100%of homeowners
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Retaining Wall Installers FAQs, answered by experts

Most railroad tie retaining walls have a life span of 20 to 30 years, though you may need to replace your wall sooner if it’s repeatedly exposed to heavy rain, runoff, and excess moisture. Railroad ties are typically treated with creosote, which makes them much more durable than untreated wood. Though they last longer, they don’t last forever. For the most longevity, make sure your retaining wall has a sturdy base and steel reinforcements. You should also install drainage to direct water away from the wall.

DIY is possible for small projects. Professional installation ensures structural integrity and durability for larger walls.

Depending on who you hire to build a retaining wall, the average cost, including demolition and reconstruction, for a 50-foot wall that's 4 feet in height is between $7,000 and $24,000.

Generally, a railroad tie retaining wall consisting of a single line of ties should be between 3 and 4 feet tall—and the height often tops out at around 6 feet. You can go taller, but you may need additional footings and reinforcements, including a second layer of railroad ties to support the added weight of the soil it’s holding back.

Generally speaking, a retaining wall should be between 3 and 4 feet high, depending on variables such as the wall-building material, the purpose of the retaining wall, and more. If you want your retaining wall to be taller than 4 feet, check with your local building ordinance office for the maximum allotment. You may also need a special permit for retaining walls over 4 feet tall.

The Fitzwilliam, 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.