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Retaining Wall Construction Cost in Simi Valley, CA
Detailed pricing guide with local market adjustments and material comparisons
Simi Valley Average
$3,450–$11,500
Market Tier
Large City
Cost Breakdown
Retaining Wall Construction Cost in Simi Valley
Large CityLowAverageHigh
$3,450$7,475$11,500
Market Tier
Large City (1.15x)
Large city with competitive market and moderate-high costs
Material Cost Comparison
Retaining wall blocks or stone(Budget)
$2,588–$8,625Gravel for base and backfill(Mid-Range)
$3,450–$11,500Landscape fabric(Premium)
$4,830–$16,100Factors 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 Simi Valley
Reliable Landscape Service
Long Beach, CA
(562) 500-0863
De’Guerrero Design & Build
Long Beach, CA
(562) 526-2757
Midwest Landscaping
Long Beach, CA
(562) 755-9914
Frank's Landscaping Services
Long Beach, CA
(562) 857-3194Founding Member
Premium spot in Simi Valley
Ambassador
Lead the Simi Valley community
Founding Member
Premium spot in Simi Valley
Simi Valley Housing Market
Median Home Price
$775,000
Homes for Sale
45
Price per Sq Ft
$490
Local Pros
536
Home Service Professionals Near Simi Valley
Agents 95lender 75multimedia_specialist 71Landscapers 64Appraisers 63Movers 60Inspectors 57Flooring 51
Median Household Income
$117,703
Median Home Value
$753,500
Median Rent
$2,513/mo
Homeownership Rate
72.9%
Population
125,769
Median Year Built
1980
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Landscaping
Retaining Wall Construction
Date
April 2026
Cost
$7,475
Vendor
Your local pro
Warranty
10-year material warranty
Simi Valley average: $3,450–$11,500
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
75
exterior category +8 pts(67 → 75)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Get a Personalized Estimate
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SM
Smith & Sons
Connectedlandscaper
4.9(47)
BookQuote
JR
J&R Home Services
landscaper
4.7(23)
From $95/hr
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Category:landscaper
Date:2026-04-10
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Cost FAQ
What is the average cost of retaining wall construction in Simi Valley?
The average cost of retaining wall construction in Simi Valley, CA ranges from $3,450 to $11,500. 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 Simi Valley, 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 Simi Valley?
Get at least 3 quotes from licensed professionals in Simi Valley. Use Fizbo SmartSearch to find and compare local landscapers, read reviews, and request estimates — all in one place.