How Much Does Sump Pump Installation Cost in Seattle, WA?
Seattle pricing is 30% above the national average. Updated for 2026.
Based on local labor rates, oceanic climate conditions, and Seattle's tech-aerospace-trade economy.See our methodology
Sump Pump Installation Pricing in Seattle, WA
Seattle is a high-cost market where sump pump installation runs about 30% above the national average. The city's tech-aerospace-trade economy supports higher wages, which translates to elevated contractor rates. With a population of 735K, competition among providers exists but demand keeps prices firm.
Local climate plays a direct role in sump pump installation costs here. Persistent rain creates moisture management challenges for roofing, siding, and foundations; mild temperatures reduce HVAC extremes.
Market-specific factors matter in Seattle: tech economy drives premium pricing; green building requirements may add cost; high minimum wage affects labor rates.
Seattle has strict permitting requirements. Budget an additional 5-15% for permits, inspections, and code compliance when planning your sump pump installation project. Licensed contractors familiar with local codes can navigate this process efficiently.
Seattle vs National Average
What Affects Sump Pump Installation Cost in Seattle?
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
Seattle Market Conditions
tech economy drives premium pricing; green building requirements may add cost; high minimum wage affects labor rates
Local Climate Impact
persistent rain creates moisture management challenges for roofing, siding, and foundations; mild temperatures reduce HVAC extremes
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Tips to Save on Sump Pump Installation in Seattle
- 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
- 5.In Seattle, verify your contractor handles local permits — the permitting process here is more involved than average and DIY permit applications can cause delays.
📈 Sump Pump Installation in Seattle Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $1,657 | — |
| 2021 | $1,727 | +4.2% |
| 2022 | $1,839 | +6.5% |
| 2023 | $1,890 | +2.8% |
| 2024 | $1,950 | +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 Seattle
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.
Why does sump pump installation cost different in Seattle than other cities?
Seattle's costs reflect local labor rates driven by the tech-aerospace-trade economy, oceanic climate conditions that affect materials and scheduling, and strict permitting requirements. The expensive labor market also influences competitive pricing.
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