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Retaining Wall Construction Cost in Keaau, HI
Detailed pricing guide with local market adjustments and material comparisons
Keaau Average
$2,250–$7,500
Market Tier
Town
Cost Breakdown
Retaining Wall Construction Cost in Keaau
TownLowAverageHigh
$2,250$4,875$7,500
Market Tier
Town (0.75x)
Small town with lower labor and material costs
Material Cost Comparison
Retaining wall blocks or stone(Budget)
$1,688–$5,625Gravel for base and backfill(Mid-Range)
$2,250–$7,500Landscape fabric(Premium)
$3,150–$10,500Factors 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 Keaau
0
Founding Member
Premium spot in Keaau
Ambassador
Lead the Keaau community
Founding Member
Premium spot in Keaau
Keaau Housing Market
Median Household Income
$64,688
Median Home Value
$320,000
Median Rent
$763/mo
Homeownership Rate
62.1%
Population
1,210
Median Year Built
1976
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Landscaping
Retaining Wall Construction
Date
April 2026
Cost
$4,875
Vendor
Your local pro
Warranty
10-year material warranty
Keaau average: $2,250–$7,500
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
Good
80
exterior category +8 pts(72 → 80)
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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I found 17 landscapers in your area. Here are the top results:
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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Category:landscaper
Date:2026-04-13
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Cost FAQ
What is the average cost of retaining wall construction in Keaau?
The average cost of retaining wall construction in Keaau, HI ranges from $2,250 to $7,500. 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 Keaau, 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 Keaau?
Get at least 3 quotes from licensed professionals in Keaau. Use Fizbo SmartSearch to find and compare local landscapers, read reviews, and request estimates — all in one place.