Block retaining wall with concrete slab built on a sloped NWA backyard
Retaining Walls/Bentonville, AR

Retaining Walls Built for Bentonville Properties

Bentonville sits in the heart of the Ozark foothills, and its mix of established neighborhoods and rapid residential growth has produced thousands of properties with hillside challenges that weren't fully addressed at build time. Cut banks along driveways, steep backyard drops, and aging walls that were never properly drained are among the most common problems we address here.

GNG Underground builds retaining walls for Bentonville residential properties — block walls and natural stone walls designed for NWA's rocky, freeze-thaw terrain. Whether you're dealing with an eroding hillside, a slope that's taken over your usable yard, or a wall that's starting to lean, we assess the situation honestly and build a solution designed to last.

Every wall we build includes drainage behind it. In Bentonville's clay-influenced soils — particularly common in the eastern and lower-elevation portions of the city — water pressure against an undrained wall is the primary reason walls fail. We design the drainage into the project from the start, not after a problem appears.

Free Estimate in Bentonville

We come to the site, walk the slope, and give you a straight quote — no cost, no obligation.

Request an Estimate(479) 305-3908
Financing available up to $65,000

Retaining Wall Services in Bentonville

  • Block retaining walls
  • Natural stone retaining walls
  • Terraced and tiered wall systems
  • Landscape retaining walls
  • Drainage systems integrated behind every wall
  • Failing and failed wall replacement
  • Hillside and slope stabilization
  • Creating level usable space from steep slopes
  • Erosion-control wall applications

Problems Retaining Walls Solve

Bentonville's hillside residential lots frequently have grade changes that concentrate runoff toward foundations and driveways. Older neighborhoods may have walls built without adequate drainage that are now showing signs of stress. Newer construction often leaves graded slopes that will erode without proper stabilization. Retaining walls are among the most effective and lasting solutions.

  • Sloped or unusable yard areas
  • Active hillside erosion
  • Soil movement after rain
  • Cut banks along driveways
  • Failing or aging retaining walls
  • Foundation-threatening slope instability
  • Elevation changes limiting outdoor use
  • Runoff concentrating near structures

Retaining walls solve structural and erosion problems, but water management often needs to be addressed alongside structural work. If your property has drainage issues above or behind the wall location, we address those as part of the project. Learn about our drainage solutions →

GNG Underground Project Photos

Block retaining wall installed on a hillside in Northwest Arkansas
Natural boulder retaining wall on a sloped NWA residential property
New block retaining wall built around a shed replacing a failed wall in NWA
View full project gallery

Our Retaining Wall Process

From first call to final walkthrough — what to expect when you hire GNG Underground for a retaining wall project in Bentonville.

01

Free On-Site Estimate

We come to your property, walk the slope, and give you a straight quote — no cost, no obligation.

02

Property and Slope Evaluation

We assess soil conditions, drainage patterns, wall height requirements, and the overall site before any work is planned.

03

Wall and Drainage Planning

We design the wall and the drainage system behind it together. Every wall we build includes drainage — it's not an optional add-on.

04

Excavation and Base Preparation

A level, compacted footing is the foundation of a wall that holds. We excavate to proper depth and prepare the base before the first block or stone goes down.

05

Wall Construction

Block or stone, course by course, properly battered for stability and built to handle NWA's freeze-thaw cycles.

06

Drainage System Installation

Drainage stone, perforated pipe, and filter fabric go in behind the wall before backfill. This is the step that determines whether the wall lasts decades or fails in a few years.

07

Backfill, Grading, and Cleanup

The slope is backfilled, graded, and cleaned up. Property is left ready for the next phase — whether that's sod, hardscape, or simply a finished yard.

08

Final Walkthrough

We walk the completed project with you before we leave. If something isn't right, we address it before we're done.

Ready to get started in Bentonville?
Free on-site estimates — we come to you.

Why Bentonville Homeowners Choose GNG Underground

Veteran-Owned and Family-Operated

GNG Underground is owned and operated by Clint and his son Gage — a family business with real accountability on every job.

Based in Bella Vista, AR

We're local to NWA. We live in and work across this region daily and understand the specific terrain and soil conditions here.

4.9-Star Google Rating

Our track record with NWA homeowners speaks for itself. We earn reviews by doing the work right the first time.

Drainage Built Into Every Wall

We don't build retaining walls without drainage behind them. Water pressure is the leading cause of wall failure, and we eliminate it from the start.

Experienced Crews and Professional Equipment

Our crews have worked NWA terrain for years. Our Kubota equipment handles steep, rocky, and tight-access residential sites.

Free On-Site Estimates

We come to the property, walk the slope with you, and provide an honest quote. No pressure — just a straight conversation about what your property needs.

Retaining Wall FAQs — Bentonville, AR

My Bentonville retaining wall is leaning — should I repair it or replace it?

A leaning or bulging wall almost always indicates a drainage failure — water pressure built up behind the wall and pushed it out of position. In most cases, patching the face isn't a long-term solution because the root cause (water) is still there. We assess failed walls on-site and give you an honest recommendation on whether repair is viable or whether a full replacement with proper drainage is the right call.

What can GNG do about erosion on my Bentonville property?

Erosion on a slope is usually a combination of exposed soil and concentrated water flow. A retaining wall stops the soil movement and creates a stable edge. Depending on the slope and water volume, we may also recommend a drainage system above or alongside the wall to intercept water before it reaches the slope.

My Bentonville backyard has a steep cut — what options do I have?

A cut bank can be stabilized with a block retaining wall, a natural stone wall, or a tiered wall system depending on the height and available space. We can also incorporate drainage systems, hardscape features, and sod or rock coverage to complete the project. We walk through all the options during the free estimate.

Do retaining walls in Bentonville need drainage behind them?

Yes, without exception. Bentonville's soils vary across the city — from rockier substrate in higher elevations to clay-influenced soil in lower areas. Clay retains water and creates significant pressure against any wall that doesn't have a drainage system. We build drainage into every wall: drainage stone backfill, perforated pipe, and a proper outlet.

How do you handle retaining wall projects on properties with tight access?

Our Kubota equipment is sized for residential sites, including properties with narrow gates, sloped driveways, or limited access to the backyard. We assess access during the estimate and factor it into the project plan — we don't discover access problems after we arrive to start work.

Do you offer free retaining wall estimates in Bentonville?

Yes. All estimates are free. We come to the site, walk the property, and give you a straight quote with no pressure.

Ready for a free estimate in Bentonville?

We come to the site, walk the slope with you, and give you a straight answer on what your retaining wall project will take. No cost, no obligation.

Veteran-owned · Based in Bella Vista, AR · Serving Bentonville and all of Northwest Arkansas

Free Estimates

Tell Us About Your Project

Fill out the form and we'll be in touch to schedule a site visit. No pressure — just straight answers about what your project will take.

Service Area
Bella Vista, Rogers, Bentonville, Fayetteville, Siloam Springs & SW MO
Financing Available
Ask us about financing options for your project