Washington state's #1 plumbing resource

Fix it yourself — or know exactly when to call.

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

  • Written & reviewed by licensed WA plumbers
  • Every guide includes difficulty + time estimate
  • Washington plumbing codes included

Latest guides

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Washington seasonal plumbing calendar

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 your water heater pressure relief valve
  • Flush sediment from water heater tank
  • Check outdoor irrigation lines

Summer

  • Inspect sprinkler system for leaks
  • Check water pressure (should be 40–80 psi)
  • Look for slow drains — pre-treat before fall
  • Inspect washing machine hoses

Fall

  • Disconnect and drain garden hoses
  • Shut off exterior hose bibs
  • Clear leaves from area drains
  • Schedule annual plumber inspection

DIY or Call a Pro?

Answer a few quick questions — we'll tell you if this is a DIY job or needs a licensed plumber.

Repair Cost Estimator

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

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