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Local Landscaping

Retaining Walls in Wilmington, DE

Quick answer

Local Landscaping lists 2 businesses offering retaining walls in Wilmington, DE, including Above Grade Inc., Pro Image Landscaping, Inc.. Each one lists Wilmington, DE as a service area.

Based on published listings as of .

Engineered walls that hold back soil on slopes and grade changes. Built with block, stone, or timber systems, including drainage behind the wall face.

Businesses offering retaining walls in Wilmington, DE

  • Above Grade Inc.

    Wilmington, DE

    HardscapingPatios & WalkwaysRetaining Walls

    Hardscaping contractor in Wilmington DE installing concrete pavers, brick pavers, natural stone patios, retaining walls and fire pits with drainage-focused base construction.

    Request quote
  • Verified
    Pro Image Landscaping, Inc.

    Wilmington, DE

    Landscape DesignHardscapingPatios & Walkways+1 more

    Wilmington landscape firm designing and installing pavers, retaining walls, water features, outdoor kitchens, fireplaces and landscape lighting.

    CallRequest quote

Retaining wall cost in Wilmington, DE

Delaware state-level estimates. Landscaping labor in Delaware pays $19.08/hour on average, 6% below the national average ($20.33), so prices below are national ranges adjusted for that difference. Use them to sanity-check quotes, not as a quote.

JobEstimate in DelawareUnitUS rangeSource
Retaining wall$34 - $63per sq ft of wall face$35 - $65HomeGuide2026

Cost calculator

Estimated cost in Delaware: $10,200 - $19,000 (300 square feet at per sq ft of wall face)

Planning estimate only. Confirm with written quotes.

How these estimates are made
  1. National price ranges come from the published cost guides linked in each row.
  2. The Delaware wage index (0.94) is the state's mean hourly wage for landscaping and groundskeeping workers divided by the national mean, from the U.S. Bureau of Labor Statistics OEWS May 2025 release (source).
  3. Only the labor part of each job is adjusted: estimate = US price × (1 + labor share × (wage index − 1)). Labor shares are our assumptions, for example 45% for retaining wall.
  4. Real prices also depend on lot size, access, materials and season. Get two or three written quotes.

Estimates compiled . Businesses listed on this site have not set or confirmed these prices.

Frequently asked questions

What is retaining walls?

Engineered walls that hold back soil on slopes and grade changes. Built with block, stone, or timber systems, including drainage behind the wall face.

How much does retaining walls cost in Wilmington, DE?

Estimated $34 - $63 per sq ft of wall face in Delaware, based on HomeGuide national pricing adjusted for Delaware landscaping wages (6% below the national average). Get written quotes for an exact price.

How many retaining walls providers are listed in Wilmington, DE?

Local Landscaping lists 2 businesses offering retaining walls in Wilmington, DE.

How do I hire for retaining walls in Wilmington, DE?

Compare at least two or three written quotes for the same scope. Check that each business lists your area as a service area, ask about licensing and insurance where your state requires it, and confirm what is included (materials, cleanup, warranty) before you sign. Use the free quote request on Local Landscaping: describe the project once and it is matched only to businesses that list your area as a service area. You can also contact any listed business directly using the phone number or website on its profile.