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Retaining Wall Construction Cost in Kent, WA
Detailed pricing guide with local market adjustments and material comparisons
Kent Average
$3,450–$11,500
Market Tier
Large City
Cost Breakdown
Retaining Wall Construction Cost in Kent
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 Kent
Alvin's Landscaping
Tacoma, WA
(253) 677-9064
Lake Tapps Landscaping
Tacoma, WA
(206) 488-3720
Founding Member
Premium spot in Kent
Ambassador
Lead the Kent community
Founding Member
Premium spot in Kent
Kent Housing Market
Median Home Price
$660,000
Homes for Sale
134
Price per Sq Ft
$364
Local Pros
560
Home Service Professionals Near Kent
multimedia_specialist 90lender 79Flooring 75Inspectors 69Cleaners 65Painters 63Landscapers 60Roofers 59
Median Household Income
$90,416
Median Home Value
$537,500
Median Rent
$1,833/mo
Homeownership Rate
56.9%
Population
135,015
Median Year Built
1985
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
Kent 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
74
exterior category +8 pts(66 → 74)
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
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4.7(23)
From $95/hr
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Date:2026-04-05
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Cost FAQ
What is the average cost of retaining wall construction in Kent?
The average cost of retaining wall construction in Kent, WA 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 Kent, 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 Kent?
Get at least 3 quotes from licensed professionals in Kent. Use Fizbo SmartSearch to find and compare local landscapers, read reviews, and request estimates — all in one place.