Washington State · #1 Plumbing Resource

Fix it yourself or know exactly when to call.

Step-by-step guides, WA codes, and honest cost estimates for Puget Sound homeowners.

  • Written by WA plumbers
  • Difficulty + time estimates
  • WA codes included
Guides

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Puget Sound Climate

Your plumbing year, by season.

Four checklists tuned to Washington weather — from Seattle freezes to Spokane dry spells.

Winter
  • Insulate pipes in unheated spaces
  • Know where your main shutoff is
  • Set thermostat ≥ 55°F when away
  • Check sump pump battery backup
Spring
  • Inspect hose bibs after freeze season
  • Test water heater pressure relief valve
  • Flush sediment from water heater
  • Check outdoor irrigation lines
Summer
  • Inspect sprinkler system for leaks
  • Check water pressure (40–80 psi)
  • Pre-treat slow drains before fall
  • Inspect washing machine hoses
Fall
  • Disconnect and drain garden hoses
  • Shut off exterior hose bibs
  • Clear leaves from area drains
  • Schedule annual inspection

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Repair Cost Estimator

Get a 2026 Washington state cost range for common plumbing repairs.

Fixed my running toilet in 20 minutes following the step-by-step guide. Saved $200 in plumber fees.
Sarah M. Seattle, WA
The cost estimator helped me know I was being quoted fairly before calling anyone. Really useful.
David K. Bellevue, WA
The WA permit guide was exactly what I needed. Saved me from doing unpermitted work on my water heater.
Maria T. Tacoma, WA