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French Drain & Drainage Solutions Cost in Cosmopolis, WA
Detailed pricing guide with local market adjustments and material comparisons
Cosmopolis Average
$1,500–$4,500
Market Tier
Town
Cost Breakdown
French Drain & Drainage Solutions Cost in Cosmopolis
TownLowAverageHigh
$1,500$3,000$4,500
Market Tier
Town (0.75x)
Small town with lower labor and material costs
Material Cost Comparison
Perforated drain pipe(Budget)
$1,125–$3,375Gravel(Mid-Range)
$1,500–$4,500Landscape fabric(Premium)
$2,100–$6,300Factors that affect your cost
- Drain type (French drain, channel drain, dry well)
- Linear feet of drainage
- Excavation depth
- Discharge location
- Grading corrections included
- Sump pump addition
- Number of collection points
- Landscaping restoration
Save Money with DIY?
A basic French drain involves digging a sloped trench (1% grade minimum), lining with landscape fabric, laying perforated pipe on gravel bed, covering with more gravel, and wrapping the fabric. Route to daylight or a dry well.
Call a pro when: Hire a professional for complex drainage problems, if the solution requires connecting to municipal storm drains, for significant regrading, or when waterproofing is needed in conjunction with drainage.
Get Quotes in Cosmopolis
Cosmopolis Housing Market
Median Home Price
$325,000
Homes for Sale
6
Price per Sq Ft
$209
Median Household Income
$80,132
Median Home Value
$280,700
Median Rent
$913/mo
Homeownership Rate
80.6%
Population
2,301
Median Year Built
1968
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Landscaping
French Drain & Drainage Solutions
Date
April 2026
Cost
$3,000
Vendor
Your local pro
Warranty
10-year material warranty
Cosmopolis average: $1,500–$4,500
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Perforated drain pipeGravelLandscape fabricSolid discharge pipe
Warranty Details
10-year material warranty
Auto-Checkup Created
"Drainage System Check" — every 12 months
Added by youApril 2026
Property Health Score
Good
83
foundation category +12 pts(71 → 83)
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)
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JR
J&R Home Services
landscaper
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 french drain & drainage solutions in Cosmopolis?
The average cost of french drain & drainage solutions in Cosmopolis, WA ranges from $1,500 to $4,500. The final price depends on Drain type (French drain, channel drain, dry well), Linear feet of drainage, Excavation depth.
What factors affect french drain & drainage solutions cost?
Key factors include: Drain type (French drain, channel drain, dry well), Linear feet of drainage, Excavation depth, Discharge location, Grading corrections included, Sump pump addition, Number of collection points, Landscaping restoration. In Cosmopolis, local labor rates and material availability also influence pricing.
Can I save money by doing french drain & drainage solutions myself?
A basic French drain involves digging a sloped trench (1% grade minimum), lining with landscape fabric, laying perforated pipe on gravel bed, covering with more gravel, and wrapping the fabric. Route to daylight or a dry well. Hire a professional for complex drainage problems, if the solution requires connecting to municipal storm drains, for significant regrading, or when waterproofing is needed in conjunction with drainage.
How do I get accurate quotes for french drain & drainage solutions in Cosmopolis?
Get at least 3 quotes from licensed professionals in Cosmopolis. Use Fizbo SmartSearch to find and compare local landscapers, read reviews, and request estimates — all in one place.