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PropDoctor

Retaining Wall Construction Cost in Olney, MD

Detailed pricing guide with local market adjustments and material comparisons

Olney Average

$2,550–$8,500

Market Tier

Small City

Cost Breakdown

Retaining Wall Construction Cost in Olney

Small City
LowAverageHigh
$2,550$5,525$8,500

Market Tier

Small City (0.85x)

Small city with below-average costs

Material Cost Comparison

Retaining wall blocks or stone(Budget)
$1,913–$6,375
Gravel for base and backfill(Mid-Range)
$2,550–$8,500
Landscape fabric(Premium)
$3,570–$11,900
Factors that affect your cost
  • Wall length and height
  • Material type
  • Drainage system behind wall
  • Excavation requirements
  • Geogrid reinforcement needed
  • Soil conditions
  • Permit requirements (walls over 4 feet)
  • Accessibility for equipment

Save Money with DIY?

Retaining walls under 3 feet tall are manageable DIY projects using interlocking landscape blocks. Excavate a level trench, add compacted gravel base, stack blocks with construction adhesive, and backfill with drainage gravel behind the wall.

Call a pro when: Hire a professional for walls over 3-4 feet tall (may require engineering and permits), walls supporting structures, walls on steep slopes, or natural stone walls requiring skilled masonry.

Get Quotes in Olney

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View all 178 landscapers in Olney

Olney Housing Market

Median Home Price

$725,000

Homes for Sale

12

Price per Sq Ft

$302

Local Pros

600

Home Service Professionals Near Olney

lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57

Median Household Income

$171,766

Median Home Value

$632,400

Median Rent

$2,409/mo

Homeownership Rate

88.6%

Population

36,000

Median Year Built

1986

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

PropDoctor
Landscaping
PropDoctor

Retaining Wall Construction

Date

April 2026

Cost

$5,525

Vendor

Your local pro

Warranty

10-year material warranty

Olney average: $2,550$8,500

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Retaining wall blocks or stoneGravel for base and backfillLandscape fabricDrainage pipe

Warranty Details

10-year material warranty

Auto-Checkup Created

"Retaining Wall Inspection" — every 24 months

Added by youApril 2026

Property Health Score

Fair

77

exterior category +8 pts(6977)

Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

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Get a Personalized Estimate

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Find a landscaper near me

Find a landscaper near me

I found 178 landscapers in your area. Here are the top results:

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Professionals Found
178 results
SM

Smith & Sons

Connected

landscaper

4.9(47)
BookQuote
JR

J&R Home Services

landscaper

4.7(23)
From $95/hr
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Title:landscaper
Category:landscaper
Date:2026-04-04
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Cost FAQ

What is the average cost of retaining wall construction in Olney?
The average cost of retaining wall construction in Olney, MD ranges from $2,550 to $8,500. The final price depends on Wall length and height, Material type, Drainage system behind wall.
What factors affect retaining wall construction cost?
Key factors include: Wall length and height, Material type, Drainage system behind wall, Excavation requirements, Geogrid reinforcement needed, Soil conditions, Permit requirements (walls over 4 feet), Accessibility for equipment. In Olney, local labor rates and material availability also influence pricing.
Can I save money by doing retaining wall construction myself?
Retaining walls under 3 feet tall are manageable DIY projects using interlocking landscape blocks. Excavate a level trench, add compacted gravel base, stack blocks with construction adhesive, and backfill with drainage gravel behind the wall. Hire a professional for walls over 3-4 feet tall (may require engineering and permits), walls supporting structures, walls on steep slopes, or natural stone walls requiring skilled masonry.
How do I get accurate quotes for retaining wall construction in Olney?
Get at least 3 quotes from licensed professionals in Olney. Use Fizbo SmartSearch to find and compare local landscapers, read reviews, and request estimates — all in one place.

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