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*The Angi rating for Retaining Wall Installation companies in Washington, IL 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 Washington, IL 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 August 01, 2026

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Avatar for L & Q LANDSCAPING-CONSTRUCTION, LLC
L & Q LANDSCAPING-CONSTRUCTION, LLC
3.4(
8
)
Retaining Wall - Install

Serving Washington, IL and surrounding areas

In business since 2021

Free estimates

Small jobs welcome

"Excellent results, speedy completion in one day for a living room and stairwell. We highly recommend them for painting your home. Thanks L Q for your excellent work."
Brick Patio
Concrete
Rock and Stone
Rubber Mulch
Brick and Stone

+2

Response time10 mins
Response rate100%
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Retaining Wall Installers questions, answered by experts

Failure to compact the soil during construction is the most common cause of leaning retaining walls. In addition, poor drainage can lead to excessive water pressure behind a retaining wall, pushing against it until it begins to move forward away from the soil it is holding back.

There are contractors specifically trained in the design and construction of retaining walls. Retaining wall contractors are skilled at dealing with the soil on your property and assessing what kind of drainage should be installed. They will recommend the best materials to use for the project and can handle the processing of permits by local authorities.

A retaining wall can only function as a fence if it’s high enough on all sides to prevent someone from accidentally falling into the pool. However, most retaining walls retain dirt, which means their purpose is not related to safety. There would need to be nothing on the other side of the wall for it to be considered a fence, but in that case, it wouldn’t retain anything and would cease to be a retaining wall.  

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.

Each design is different, so we can’t say definitively if you’ll need a dedicated drainage system in place for a two-foot retaining wall. However, you can likely skip the drainage, as this project is typically served for walls that are 4 feet tall or more. Even with a relatively low wall, consider drainage if you are building on top of clay or poor-draining soil types or if there are buried water sources nearby, like a well used for other outdoor garden projects.

The Washington, IL homeowners’ guide to retaining wall installation services

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