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Q: When does a slope need a retaining wall?

• <div><p>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.</p></div>

Q: Can I build a retaining wall myself?

• <div><p>Even if you think you know <a href="https://www.angi.com/articles/how-to-build-a-retaining-wall.htm">how to build a retaining wall</a> theoretically, doing the actual work is a completely different story. There are lots of nuances in building retaining walls, and the slightest oversight can compromise their integrity. Therefore, we recommend you hire a pro to build, repair, or replace retaining walls.</p></div>

Q: What does rebar do?

• <div><p>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.</p></div>

Q: Can you use cinder blocks for a retaining wall?

• <div><p>Yes, you can use cinder blocks for many purposes, including retaining walls, foundations, garage walls, and fences. Building a <a href="https://www.angi.com/articles/how-much-does-it-cost-build-cinder-block-wall.htm">cinder block retaining wall costs</a> between $60 and $200 per linear foot, including materials and professional labor. For a 30-foot-long retaining wall, the cost ranges from $1,800 to $6,000.</p></div>

Q: How long does a retaining wall last?

• <div><p>The lifespan of a retaining wall varies based on its material, installation quality, maintenance, and local climate, with an average range of 20 to 100 years. Retaining walls made from durable materials like concrete, stone, and brick generally last a minimum of 50 years. Concrete walls typically last between 50 and 100 years, while brick can last for over a century in ideal conditions. Timber retaining walls can last from 20 to 40 years, depending on the wood quality, and pressure-treated wood walls average around 30 years. It is important to note that a retaining wall can fail prematurely if it was poorly constructed, for example, with inefficient footings or without necessary rebar reinforcements.</p></div>

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Verified Reviews for Retaining Wall Installation pros in Harrison, ID

*The Angi rating for Retaining Wall Installation companies in Harrison, ID is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Retaining Wall Installation needs.

*The HomeAdvisor rating for Retaining Wall Installation companies in Harrison, ID is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Retaining Wall Installation needs.

Last update on June 22, 2026

Reviewed in June 2026
In early May, I contacted Straight Shooter Plumbing because a toilet and bathtub on my property were backing up with sewage. The technician recommended removing the toilet and using an auger to clear the line, which I approved. Shortly afterward, I discovered the technician had broken my shop...
Straight Shooter Plumbing and Rooter LLC
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Reviewed in December 2025
Cole did an awesome job installing a tankless water heater in a home where it was difficult to find a suitable installation location. His pricing was fair & he is a pleasant person to work with. 5-Stars.
Buckaroo Plumbing
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Reviewed in September 2024
Eduard, the owner of E&E Electric transformed my spec home into one that people think was custom built home upon entry. I had him either change existing fixtures or install new circuits, chandeliers and switches literally in every room. The best thing about the entire two week job was that...
E & E Electric LLC
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Reviewed in January 2024
Service requested: Installation of new windows and sliding glass door. Quality: Anderson Windows are of the the highest quality; the glass is so clear it's as there is no glass and the frames/seals are first rated. Value: In maintaining a property especially one in a remote location it...
Renewal by Andersen of Washington
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Reviewed in July 2022
We are very satisfied with the new composite deck and cable railing installed by Bugle Construction. The finished product has exceeded our expectations! Mike was easy to work with from doing site survey and understanding what we wanted to have done, to providing an estimate and providing status...
Bugle Construction JMJ, LLC
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Reviewed in February 2022
I spent 12 years on the real state field and I flipped the remodel of 17 high end homes and I would put James on the top of my list for cabinets installation, I have work with many providers but James is a really good professional
James Willard Finley
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Reviewed in September 2021
We were somewhat skeptical that these windows could justify the cost and meet the workmanship and efficacy our salesman claimed, but our expectations were exceeded with the way our job turned out. We had a large job (33 windows) our installers (Jared Boesl, Kyle Boesl, AJ Sebek and Dustin...
Renewal by Andersen of Washington
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Reviewed in May 2021
Due to covid etc there was delay in getting materials but it was ok since weather was better later. All through this I was kept informed of progress. Installation was just completed and it is beautiful.
Fireside Windows, LLC
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Reviewed in April 2021
Timely response to initial inquiry and then stayed in contact. Stayed on schedule. The quality of work was more than we could expect. Matt listened to what we wanted, gave us options, and made it happen. Installed new hardwood floors to match existing hardwood and then refinished old floors...
Character Hardwood Floors
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Reviewed in August 2018
The technician was polite and cleaned up the area after the mitigation fan installation. He was proactive and pointed out plumbing deficiencies he observed while working. I was very grateful as it eliminated a potential crisis situation.
Aqua-Max of Maine
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Find Retaining wall installation pros in Harrison

JW Masonry LLC

5.0(

)

Serving Harrison, ID and surrounding areas

Approved

In business since 2001

Free estimates

Offers commercial services

"I could not be happier with the work that Jeff and his team at J. W. Masonry did on my pavers. They were professional, friendly, and kind. The work was done in a timely manner, and my patio looks great."

+21

17 neighbors recently requested a quote

Recommended by60%of homeowners

Serving Harrison, ID and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

"Performed the job of rebuilding our river retaining wall. The job was properly bid, completed on time and performed to satisfaction.I would recommend them to anyone."

Response time4 hrs

Response rate94%

7 neighbors recently requested a quote

Serving Harrison, ID and surrounding areas

Approved

In business since 2020

Free estimates

Offers commercial services

"This was the best experience with a contractor I have ever had. Andrew made the process run very smoothly and stress free."

Response time1 day

20 neighbors recently requested a quote

Recommended by88%of homeowners

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Capital Concrete and Asphalt, LLC

4.1(

227

)

Serving Harrison, ID and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"THE ROCKHARD TEAM, ARE AWESOME TM!! DANIEL’s Company did a SUPER JOB, WILL REALLY RECOMMEND THEM if anyone needs some CONCRETE WORK DONE ! A-OK,,MANY THANK YOUs ,2 everyone @ROCK HARD CONCRETE!!Keep up the good work Men!! EVERYONE SAFETY 1st !! GREAT WORK!!!"

+87

Response time1 day

Response rate88%

185 neighbors recently requested a quote

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Inland Northwest Contracting, LLC

5.0(

)

Serving Harrison, ID and surrounding areas

Approved

In business since 2021

Free estimates

Small jobs welcome

"They did a excellent job"

Response time10 hrs

19 neighbors recently requested a quote

Recommended by100%of homeowners

Serving Harrison, ID and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: Quick response

"I can't say enough about the guy!! He is a man of his word and has great pricing. He is very punctual and I don't know why anyone would go anywhere else!"

14 neighbors recently requested a quote

Recommended by100%of homeowners

Serving Harrison, ID and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Shea did a great job. He was knowledgeable and listened to my concerns. The job was done promptly. I will use him again and recommend him as well."

+18

Response time7 hrs

Response rate100%

Recommended by100%of homeowners

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Matterhorn Landscaping

5.0(

)

Serving Harrison, ID and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"Patrick did a very good job responded promptly showed up and got my irrigational lines repaired on multiple occasions. I am a electrical contractor and we damage a couple in some of our projects and he was able to get there and get them fixed in a very timely fashion."

Response time2 days

Response rate100%

Recommended by45%of homeowners

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Welling Excavation & Landscaping, LLC

4.6(

)

Serving Harrison, ID and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Fast friendly and reasonable. Quality work I will be using them through the season"

Response time2 days

Recommended by90%of homeowners

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Big Red’s Landscaping/Yard Care

4.6(

)

Serving Harrison, ID and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"The 2 of them busted their a?? to get job done in 2 days, great attitudes"

+11

Response time11 hrs

Response rate100%

Recommended by93%of homeowners

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Showing 1-10 of 31

Retaining Wall Installers questions, answered by experts

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.

Even if you think you know how to build a retaining wall theoretically, doing the actual work is a completely different story. There are lots of nuances in building retaining walls, and the slightest oversight can compromise their integrity. Therefore, we recommend you hire a pro to build, repair, or replace retaining walls.

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.

Yes, you can use cinder blocks for many purposes, including retaining walls, foundations, garage walls, and fences. Building a cinder block retaining wall costs between $60 and $200 per linear foot, including materials and professional labor. For a 30-foot-long retaining wall, the cost ranges from $1,800 to $6,000.

The lifespan of a retaining wall varies based on its material, installation quality, maintenance, and local climate, with an average range of 20 to 100 years. Retaining walls made from durable materials like concrete, stone, and brick generally last a minimum of 50 years. Concrete walls typically last between 50 and 100 years, while brick can last for over a century in ideal conditions. Timber retaining walls can last from 20 to 40 years, depending on the wood quality, and pressure-treated wood walls average around 30 years. It is important to note that a retaining wall can fail prematurely if it was poorly constructed, for example, with inefficient footings or without necessary rebar reinforcements.

The Harrison, ID homeowners’ guide to retaining wall installation services

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

See all articles

Haley Nothstein
•
Aug 3, 2026Aug 3, 2026
How Much Does a Retaining Wall Cost to Build? [2026 Data]
Kick erosion to the curb with an eye-catching retaining wall. Retaining wall costs vary based on the material, but this guide will help you budget.
Kyle Schurman
•
Jul 9, 2026Jul 9, 2026
How Much Do Retaining Wall Repairs Cost? [2026 Data]
Retaining wall repair cost can vary widely based on the age and condition of the wall being restored. Learn why finding the right pro is important for getting the job done.
Angi
•
May 30, 2026May 30, 2026
How Much Does a Concrete Retaining Wall Cost? [2026 Data]
Find out how much a concrete retaining wall costs. Get average prices, cost factors, and expert tips to budget and save on your installation.
Christopher Murray
•
Jul 9, 2026Jul 9, 2026
Who to Hire to Build a Retaining Wall: A Complete Guide
While it’s possible to DIY build a retaining wall, several pros have advanced knowledge of hardscaping and building. Learn who to hire to build a retaining wall.
Ginny Bartolone
•
Jul 9, 2026Jul 9, 2026
20 Retaining Wall Ideas for Your Yard
There is no one-size-fits-all retaining wall for your yard. In fact, the options are endless. Check out 20 retaining wall ideas to upgrade your hardscape.
Dan Simms
•
May 3, 2026May 3, 2026
6 Retaining Wall Questions to Ask Before Hiring a Professional
Replacing a retaining wall or installing a new one after grading? Here are some retaining wall questions you should be prepared to answer when hiring a pro.