How Much Does Sump Pump Installation Cost in Washington?
Washington pricing is above the national average. Updated for 2026.
Sump Pump Installation Pricing in Washington
In Washington, the average cost for sump pump installation is $1,725 installed, which is 15% higher than the national average of $1,500. Most Washington residents pay between $690 and $3,450.
Washington has a higher cost of living than most states, which translates to higher labor rates and material costs. Urban areas within Washington may be even higher.
A sump pump sits in a pit in your basement or crawl space and pumps out water that collects from rain, groundwater, or drainage systems. It's the primary defense against basement flooding and water damage.
Washington vs National Average
What Affects Sump Pump Installation Cost in Washington?
Installation Type
Replace existing: $400-$1,000. New installation (dig pit, plumbing, electrical): $1,500-$3,500
Battery Backup
Battery backup system adds $300-$800 installed. Water-powered backup: $200-$600
Discharge Line
Standard: included. Extended or buried discharge: add $500-$1,500
📐 Sump Pump Installation in Washington Cost Calculator
Get a personalized estimate based on your project details
Get Free Quotes from Local Pros
Compare prices from top-rated contractors in your area.
Top-Rated Sump Pump Installation Pros in Washington
5 providersReliable Plumbing
🏆 SPONSOREDProudly serving WA since 2009. Licensed, insured, and committed to excellence.
All-Pro Property Services
⭐ PREMIUMProudly serving WA since 2007. Licensed, insured, and committed to excellence.
Elite Restoration
✅ VERIFIEDAre You a Sump Pump Installation Professional?
Get listed on CostWhale and reach thousands of customers searching for sump pump installation in Washington.
💡 Tips to Save on Sump Pump Installation in Washington
- 1.A pedestal pump ($60-$150) costs less than submersible ($100-$400) but is louder and less powerful
- 2.Always add a battery backup ($200-$500) — your pump is most needed during storms when power goes out
- 3.Install a water alarm ($15-$30) as cheap insurance against pump failure
- 4.Replace your pump proactively every 7-10 years rather than waiting for failure during a storm
📈 Sump Pump Installation in Washington Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $1,465 | — |
| 2021 | $1,527 | +4.2% |
| 2022 | $1,626 | +6.5% |
| 2023 | $1,672 | +2.8% |
| 2024 | $1,725 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Sump Pump Installation in Washington
Recent Reports
Frequently Asked Questions
How long do sump pumps last?
Submersible pumps last 7-10 years. Pedestal pumps can last 15-25 years. Battery backups need battery replacement every 3-5 years. Test your pump quarterly by pouring water into the pit.
Do I need a sump pump?
If your basement has ever had water intrusion, you have a high water table, or your home is in a flood-prone area, yes. Even homes without past flooding benefit from a sump pump as insurance against unexpected water events.
Sump Pump Installation Cost in Other States
Related Cost Guides for Washington
🔍 Get Free Quotes from Local Pros
Compare prices from pre-screened contractors in your area. Free, no-obligation estimates.
* CostWhale may earn a commission. This doesn't affect our pricing data or recommendations.
💰 Get Weekly Cost-Saving Tips
Join 10,000+ smart homeowners. Unsubscribe anytime.