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Retaining Wall Construction Cost in Foster, RI
Detailed pricing guide with local market adjustments and material comparisons
Foster Average
$2,250–$7,500
Market Tier
Town
Cost Breakdown
Retaining Wall Construction Cost in Foster
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 Foster
Bourne Green Horticulture
Newport, RI
(401) 662-2499
KB LANDSCAPING LLC
Newport, RI
(774) 264-1673Founding Member
Premium spot in Foster
Ambassador
Lead the Foster community
Founding Member
Premium spot in Foster
Foster Housing Market
Track Your Costs
Landscaping
Retaining Wall Construction
Date
April 2026
Cost
$4,875
Vendor
Your local pro
Warranty
10-year material warranty
Foster 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
Fair
79
exterior category +8 pts(71 → 79)
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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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:2026-04-04
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Cost FAQ
What is the average cost of retaining wall construction in Foster?
The average cost of retaining wall construction in Foster, RI 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 Foster, 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 Foster?
Get at least 3 quotes from licensed professionals in Foster. Use Fizbo SmartSearch to find and compare local landscapers, read reviews, and request estimates — all in one place.