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Basement Waterproofing Cost in Spokane, WA
Detailed pricing guide with local market adjustments and material comparisons
Spokane Average
$2,300–$11,500
Market Tier
Large City
Cost Breakdown
Basement Waterproofing Cost in Spokane
Large CityLowAverageHigh
$2,300$6,900$11,500
Market Tier
Large City (1.15x)
Large city with competitive market and moderate-high costs
Material Cost Comparison
Interior drainage channel(Budget)
$1,725–$8,625Waterproofing membrane(Mid-Range)
$2,300–$11,500Sump pump and basin(Premium)
$3,220–$16,100Factors that affect your cost
- Interior vs exterior waterproofing
- Linear footage of affected walls
- Sump pump installation included
- French drain installation
- Foundation crack repair needed
- Exterior excavation required
- Dehumidifier addition
Get Quotes in Spokane
Spokane Housing Market
Median Home Price
$400,000
Homes for Sale
3
Price per Sq Ft
$219
Local Pros
370
Home Service Professionals Near Spokane
lender 54multimedia_specialist 52Cleaners 46Electricians 46Flooring 46Painters 43Roofers 43Landscapers 40
Median Household Income
$65,745
Median Home Value
$326,200
Median Rent
$1,141/mo
Homeownership Rate
58.3%
Population
229,228
Median Year Built
1961
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Renovation
Basement Waterproofing
Date
April 2026
Cost
$6,900
Vendor
Your local pro
Warranty
25-year material warranty
Spokane average: $2,300–$11,500
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Interior drainage channelWaterproofing membraneSump pump and basinHydraulic cement
Warranty Details
25-year material warranty
Auto-Checkup Created
"Basement Moisture Check" — every 12 months
Added by youApril 2026
Property Health Score
Good
83
foundation category +15 pts(68 → 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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I found several contractors in your area. Here are the top results:
SM
Smith & Sons
Connectedcontractor
4.9(47)
BookQuote
JR
J&R Home Services
contractor
4.7(23)
From $95/hr
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Title:contractor
Category:contractor
Date:2026-04-03
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Cost FAQ
What is the average cost of basement waterproofing in Spokane?
The average cost of basement waterproofing in Spokane, WA ranges from $2,300 to $11,500. The final price depends on Interior vs exterior waterproofing, Linear footage of affected walls, Sump pump installation included.
What factors affect basement waterproofing cost?
Key factors include: Interior vs exterior waterproofing, Linear footage of affected walls, Sump pump installation included, French drain installation, Foundation crack repair needed, Exterior excavation required, Dehumidifier addition. In Spokane, local labor rates and material availability also influence pricing.
How do I get accurate quotes for basement waterproofing in Spokane?
Get at least 3 quotes from licensed professionals in Spokane. Use Fizbo SmartSearch to find and compare local contractors, read reviews, and request estimates — all in one place.