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*The Angi rating for Retaining Wall Installation companies in Warner, OK 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 Warner, OK 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 16, 2025

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Christthorn, Inc.
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Retaining Wall - Install

Serving Warner, OK and surrounding areas

In business since 1989

Christthorn, Inc. is a full-service commercial and residential custom build general contractor, landscape design, build and maintenance contractor and interior architecture design and build firm. Clients include commercial and residential property owners/agents in over 15 countries around the world.\n\nSelect materials and unique design. Our wholistic approach stresses the understanding of both interior and exterior spaces as integral to the whole. Appropriate materials, fixtures, horticulture, and style choices reflecting safety, functionality and aesthetic beauty.\n\nChristthorn, Inc., specializes in comprehensive design and build projects, theme construction, and renovation and restoration architecture, landscape and interior design projects --from equestrian facilities, period homes, botanical and water gardens to high rise living and active commercial spaces.\n\nheadquartered in Tulsa, Oklahoma. National Service. Consultation by Appointment. Tel: 918-712-4558\nwww.christthorn.com

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Retaining Wall Installers questions, answered by experts

Costs range from $5,000 to $15,000, depending on size, material, and design complexity.

While vinyl is the least costly material for building a retaining wall, the most cost-effective method is to use wood or concrete blocks for a DIY retaining wall under 2 feet tall. Wood is inexpensive but lasts 20 years or more with care. Concrete can cost a little more but is stronger and will last longer with less maintenance.

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.

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.

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 Warner, OK 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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