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Q: Do you need a permit for a retaining wall?

• <div><p>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.</p></div>

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: Are railroad ties good for retaining walls?

• <div><p>Railroad ties can be good for retaining walls, but it depends on the area. They have a desirable rustic look and are durable. The problem is they&rsquo;re treated with creosote, a preservative the EPA says poses a risk to humans and wildlife. Over time, the preservative seeps out of the wood and into the ground. Many areas have banned the use of creosote-treated wood on residential properties. If your area does allow it, never use railroad ties near an edible garden or drinking water source. Instead, use wood that&rsquo;s treated with an EPA-approved preservative or a wood-alternative composite material.</p></div>

Q: How long will a railroad tie wall last?

• <div><p>Most railroad tie retaining walls have a life span of <b>20 to 30 years</b>, though you may need to replace your wall sooner if it&rsquo;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&rsquo;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.</p></div>

Q: What maintenance does a retaining wall require?

• <div><p>Regular inspection for issues like cracks or leaning and ensuring drainage stays clear.</p></div>

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Verified Reviews for Retaining Wall Installation pros in Pablo, MT

*The Angi rating for Retaining Wall Installation companies in Pablo, MT 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 Pablo, MT 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 September 20, 2024

Reviewed in September 2024
Joseph did what he promised, when he promised. From inspection, estimate, and install all were as communicated and exactly as promised. I would recommend him without hesitation.
Synergy Electric
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Reviewed in September 2024
We had an excellent experience with Renewal by Andersen. From the initial design to the final installation, the workers were very professional, communication was excellent, and craftsmanship was superb. They had excellent attention to detail, and the design consultant and installers were...
Renewal by Andersen of Montana
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Reviewed in May 2023
Our garbage disposal died, and Brian worked with us to find the right replacement and got it installed quickly (less than a week, closer to a couple days). When we had some trouble with it later, he responded to texts over the weekend and came back to adjust it within two days at no charge. He...
CC&K, LLC
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Reviewed in July 2022
We are very pleased with the installation of our pellet stove. Mark did a great job, and was very professional as well as friendly.
Orca Fireplace, LLC
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Reviewed in May 2021
I was having trouble finding someone who could fit me into their schedule. Jordan Solar gave me a quick call back and worked me in to add and relocate switches and plugs in some new walls and add a couple of circuits for a renovation. Excellent work, excellent customer service at a great price....
Jordan Solar and Electric
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Reviewed in November 2020
This young man came down to Big Arm in an evening and repaired a gutter and cleaned them out. Then he checked other gutters and pulled out bird nests I didnâ t even know were there. He just returned to install gutter guards to be sure no more birdies make their home in my gutters. A very...
Flathead Valley Gutter Cleaners - Home Facebook
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Reviewed in January 2020
problem was the drum which was off balance due to an imperfection in it. I was quoted a price for a new drum to be installed, but decided due to age of the machine to buy a new one.
Hudson Appliance Repair
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Reviewed in October 2018
Seth built a custom shed at our lake home in the fall of 2017. This was a challenging project since it was an unusual shape that had to be built next to a rock wall. Seth was creative and built a structure that looks like our home and is just what we had hoped for. I would recommend him highly.
Old Country Construction
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Find Retaining wall installation pros in Pablo

Holistic Landscaping Of Montana, LLC

4.6(

)

Serving Pablo, MT and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Ayron helped us find some mature river birch trees that we planted in the fall. He also did a fall prep for our backyard. They did a great job, were quick and affordable."

Response time7 hrs

Response rate98%

9 neighbors recently requested a quote

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Integrity LandscapeLLC

5.0(

)

Serving Pablo, MT and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"Everything went well and smooth. I had no problems with this company."

Recommended by100%of homeowners

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Sacred Space Landscaping

3.0(

)

Serving Pablo, MT and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Kameron is a hard working, creative & very pleasant young man, willing to do what the client wishes."

+12

Recommended by100%of homeowners

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Allen's Siding & Windows, Inc.

New to Angi

Serving Pablo, MT and surrounding areas

In business since 1988

Allen's Siding & Windows, Inc., is a Full Service,Owner Operated Company for over 17 years in complete exterior home improvements from custom design additions, sunrooms, patios, and decks to complete siding and window installations and repairs as well as all exterior window treatments including custom shutters and awnings. We specialize in ALSIDE ULTRAMAX Windows, which have been energy star partner for 3 years running. We work with you from start to finish with complete client focus, and professional personalized service giving superior craftsmanship with attention to each detail to ensure we create the vision you have for your home. Hire The Contractor not a Salesman. Please see our website at www.sydngys.com

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Black Pearl landscaping

New to Angi

Serving Pablo, MT and surrounding areas

In business since 2020

Free estimates

Credit card accepted

Black Pearl Landscaping\n

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Wilmes Masonry, LLC

New to Angi

Serving Pablo, MT and surrounding areas

In business since 1996

Free estimates

Credit card accepted

Your next concrete project doesn't have to be stressful. Wilmes masonary LLC, we believe in providing an outstanding experience for our customers. We are a concrete construction company with 20 years of experience. Wilmes masonary LLC can assist in all phases of concrete and general construction. We value quality, integrity and professionalism. We look forward to your call. We also accept Visa, Mastercard, Discover and American Express

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RV Douglass, Inc.

New to Angi

Serving Pablo, MT and surrounding areas

In business since 2010

Free estimates

Credit card accepted

RV Douglass, Inc., is your go to for all of your concrete needs! Our dedicated crew has a no-nonsense policy when it comes to getting the job done right the first time, and every time! We are committed to your satisfaction, and we love seeing the look on our customers faces when they see the results we provide! Give us a call today!

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Namea Masonry

New to Angi

Serving Pablo, MT and surrounding areas

Hi there! My name is Dillan Guzman and I specialize in all things masonry. Give me a call and let’s get your project started. (406) 471-9611

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RKO Excavation

New to Angi

Serving Pablo, MT and surrounding areas

In business since 2021

Free estimates

Small jobs welcome

We are a locally owned company based out of Kalispell, Montana. We're dedicated to providing our clients with the very best in service, installation, and repairs. With years of industry experience, we take an enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We can do anything that you need us to do, please reach out today for a free estimate.

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Big Buck Concrete, Inc.

New to Angi

Serving Pablo, MT and surrounding areas

In business since 2014

Free estimates

Welcome to Big Buck Concrete, Inc.! We have been proudly serving the local area and we are excited to work with you! Call today to schedule an appointment for fast, quality, reliable service! You will not regret your decision to work with our company!

Response time30 mins

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Retaining Wall Installers questions, answered by experts

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.

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.

Railroad ties can be good for retaining walls, but it depends on the area. They have a desirable rustic look and are durable. The problem is they’re treated with creosote, a preservative the EPA says poses a risk to humans and wildlife. Over time, the preservative seeps out of the wood and into the ground. Many areas have banned the use of creosote-treated wood on residential properties. If your area does allow it, never use railroad ties near an edible garden or drinking water source. Instead, use wood that’s treated with an EPA-approved preservative or a wood-alternative composite material.

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.

Regular inspection for issues like cracks or leaning and ensuring drainage stays clear.

The Pablo, MT 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
•
May 30, 2026May 30, 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.
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•
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.
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•
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.
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•
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.