TL;DR
- Short walls (under 3 ft): $4,000–$8,000
- Mid-height (3–6 ft): $8,000–$15,000
- Tall / engineered walls (6+ ft): $15,000–$30,000+
- Walls over 4 ft typically require a permit from the applicable local jurisdiction
- Concrete block is the most popular MD material; lasts 40+ years
Retaining walls in Maryland cost $4,000–$30,000+ depending on height, length, and material. A.R. Curb Appeal LLC in Maryland builds engineer-grade retaining walls and handles all permit coordination for walls over 4 feet.
Average Retaining Wall Cost in Maryland
- Short walls (under 3 ft): $4,000–$8,000
- Mid-height (3–6 ft): $8,000–$15,000
- Tall / engineered walls (6+ ft): $15,000–$30,000+
Retaining Wall Materials & What They Cost in Maryland
- Concrete block / Allan Block — durable, mid-priced, most popular
- Natural stone — premium look, highest cost
- Brick — classic Baltimore look, mid-to-high cost
- Timber — not recommended for permanent installs in Maryland's wet climate
Do You Need a Permit for a Retaining Wall?
Retaining walls may require permits, engineered drawings, inspections, or drainage documentation depending on wall height, load conditions, location, and local jurisdiction. A.R. Curb Appeal handles permit coordination so you don't have to navigate permitting on your own.
How Long Do Retaining Walls Last in Maryland?
A properly built segmental concrete-block retaining wall in Maryland lasts 40+ years with minimal maintenance. Natural stone walls can last a century. Timber walls rarely make it past 15 years in our climate.
Signs Your Yard Needs a Retaining Wall
- Visible soil erosion or washout after heavy rain
- Sloped yard you can't safely use
- Existing wall is leaning, cracking, or bulging
- Foundation grading concerns near the home
Ready for a Free Retaining Wall Estimate?
Get a free on-site retaining wall consultation throughout our Maryland service area.
Call (410) 982-2201 or request a free written estimate online.