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TRUSTED BY JOHNSTON, IA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon280
    Verified retaining wall installation services reviews

Verified Reviews for Retaining Wall Installation pros in Johnston, IA

*The Angi rating for Retaining Wall Installation companies in Johnston, IA 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 Johnston, IA 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 April 21, 2026

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

Avatar for CENTRAL IOWA EXTERIOR SERVICES
CENTRAL IOWA EXTERIOR SERVICES
5.0(
9
)
Retaining Wall - Install

Serving Johnston, IA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Tanner and his crew did an incredible job on our new gutters! My wife and I couldn’t be happier. Their price was extremely competitive, great workmanship done quickly. I highly recommend Central Iowa Exterior Services!!"
Replace Siding
Replace Siding
Replace Siding
Replace Siding
9 neighbors recently requested a quote
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Avatar for Sunshine Lawn Care
Sunshine Lawn Care
5.0(
6
)
Retaining Wall - Install

Serving Johnston, IA and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"This guy was reliable, timely, and very personable. He installed a concrete ramp for my driveway to my house. I am in a wheelchair, so this changed my life. At first I was concerned. The quote was very reasonable. But my walk was done in three days and it is beautiful."
Work
Work
Work
Work
Retaining wall

+6

Response time6 hrs
Response rate91%
11 neighbors recently requested a quote
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Avatar for AMP Construction & Landscaping LLC
AMP Construction & Landscaping LLC
4.1(
18
)
Retaining Wall - Install

Serving Johnston, IA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"AMP replaced my old deck and added a pergola. Because I decided to keep the existing under carriage they leveled and added more support for the new decking which went both horizontal and lateral. All waste material was cleaned daily and the work was completed in a timely fashion at a reasonable rate. They did an outstanding job and I highly recommend AMP Construction for any building project."
Project Photos
Project Photos
Project Photos
Project Photos
Project Photos

+52

Response time2 days
Recommended by81%of homeowners
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Avatar for Gonzalez Contractors LLC
Gonzalez Contractors LLC
4.7(
89
)
Retaining Wall - Install

Serving Johnston, IA and surrounding areas

In business since 2020

Free estimates

Offers commercial services

"Gonzalez Contractors was a great company to work with. They were very communicative from start to finish. They were flexible in meeting my concrete needs and met the agreed time frame for completion. Would highly recommend."
Recommended by93%of homeowners
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Avatar for Portland Construction Company, LLC
Portland Construction Company, LLC
5.0(
4
)
Retaining Wall - Install

Serving Johnston, IA and surrounding areas

In business since 2018

Free estimates

Offers commercial services

"Portland construction did a great job for me. I highly recommend them they are really professionals. There is schedule a really flexible. They are a really great people that work with."
Response time2 hrs
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Retaining Wall Installers FAQs, 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.

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.

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.

If you don’t backfill a retaining wall—either at all or adequately enough—the wall won’t drain well, and water will be able to pass through it. Poor drainage will lead to a warped wall or a buildup of hydrostatic pressure, which can eventually collapse your retaining wall. If you have particularly sloped land, consult a structural engineer to ensure your hardscaping is adding value to your home.

Options include concrete, stone, brick, and wood, tailored for specific design needs.

The Johnston, IA homeowners’ guide to retaining wall installation services

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

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