Retaining wall cost in Maryland ranges from $4,000 for a short decorative wall to $30,000+ for tall engineered walls. A.R. Curb Appeal LLC builds segmental block, natural stone, and engineered walls — and coordinates permits for walls over 4 feet in Baltimore and Harford counties.
Average Price
$30–$70 per square face foot installed
retaining wall cost Maryland — Pricing by Project Size
| Project Tier | Typical Price | What's Included |
|---|---|---|
| Short walls (under 3 ft) | $4,000 – $8,000 | Decorative or short garden walls, no permit |
| Mid-height (3–6 ft) | $8,000 – $15,000 | Functional grade-change walls, may need permit |
| Tall / engineered (6+ ft) | $15,000 – $30,000+ | Engineer-stamped drawings, full permit, geogrid |
What Affects retaining wall cost Maryland Most
- Wall height and total length
- Material — Allan Block, Versa-Lok, natural stone, or brick
- Soil conditions and required geogrid reinforcement
- Drainage system behind the wall (always required)
- Site access for excavator and material delivery
- Permits and engineered drawings for walls over 4 ft
Get a Real, Itemized Estimate
Every project is different. The numbers above are real Maryland ranges, but the only way to know your exact price is a free on-site visit. We provide written, itemized estimates within 24–48 hours.
FAQ
Is A.R. Curb Appeal LLC licensed and insured in Maryland?
Yes. A.R. Curb Appeal LLC holds active Maryland Home Improvement Commission (MHIC) license #150581 and carries full liability insurance plus workers' compensation coverage on every project. You can verify the license directly with the MHIC.
What areas does A.R. Curb Appeal LLC serve?
We serve Baltimore County and Harford County, Maryland — including Towson, Cockeysville, Timonium, Hunt Valley, Bel Air, Havre de Grace, Lutherville, Parkville, Owings Mills, and White Marsh.
How much does patio installation cost in Baltimore County?
Paver patio installation in Baltimore County typically ranges from $3,500 to $15,000 for residential projects. Concrete slabs start around $2,000. Natural stone patios typically run $8,000–$25,000+. A.R. Curb Appeal provides free itemized written estimates.
How much does a retaining wall cost in Maryland?
Retaining walls in Maryland range from $4,000 to $20,000+ depending on height, length, and material. A.R. Curb Appeal provides free on-site consultations and written estimates.
Do I need a permit for a patio or retaining wall in Baltimore County?
Retaining walls over 4 feet in Baltimore County often require a permit. A.R. Curb Appeal handles all permit coordination on applicable projects.
How long does a typical hardscaping project take?
Most residential patio or retaining wall projects take 3–7 business days once work begins. Larger outdoor living spaces may take 2–4 weeks. We give you a timeline upfront and stick to it.