Permits & Codes
Plumbing Category · 17 entries
Choosing a plumber
Verify any WA plumber on the L&I Verify portal before signing. Here's the 5-minute homeowner-protection checklist that catches the most common scams.
Contractor License Requirements Washington: Plumbing Guide
What Washington contractor license requirements mean for homeowners hiring a plumber and how to verify. WA plumber reviewed with 14 years experience.
Do I Need a Plumbing Permit? Seattle Guide
When WA plumbing work needs a permit versus when it doesn't — repairs, replacements, and new installs explained. Reviewed by a WA plumber.
Hiring a Plumber in Bellevue: What Homeowners Need to Know
How to find and hire a qualified plumber in Bellevue, what to expect from costs, and red flags to avoid. WA plumber reviewed with 32 years experience.
Hiring a Plumbing Contractor in Spokane: Homeowner Guide
How to hire a qualified plumbing contractor in Spokane, what to expect, and what to watch out for. WA plumber reviewed with 17 years experience.
How to Choose a Plumber in Washington State: What to Look For
How to vet and hire a licensed Washington plumber — L&I checks, quotes, and red flags to avoid. Reviewed by a WA plumber.
How to Earthquake-Proof Your Plumbing in Washington: Straps, Flex Gas Lines, and Shutoff Valves
Water heater straps, flexible gas connectors, and seismic shutoff valves for WA homes — what code requires, what it costs, and what to do first. Reviewed by a WA plumber.
L&I Plumber Licensing in Washington: What Homeowners Need to Know
How Washington plumber licensing through L&I works and how to verify a plumber's license. WA plumber reviewed with 21 years experience.
Plumbing Code Seattle SDCI: What Homeowners Need to Know
How Seattle plumbing code works, what SDCI enforces, and what violations mean for homeowners. WA plumber reviewed with 32 years experience.
SDCI Permit Requirements Seattle: Plumbing Guide
What SDCI requires for plumbing permits in Seattle and how the process works. WA plumber reviewed with 13 years experience.
Seal old gas line after appliance removal
Capping a disconnected gas line is a permitted, pressure-tested job in WA. Here's why a closed shutoff valve isn't enough, and what the right fix looks like.
Seattle Plumbing Permit Cost: What to Expect
What plumbing permits cost in Seattle and what work requires them. WA plumber reviewed with 24 years experience.
Sewer Lateral Permits: What’s Required and How the Process Works
What permits are required for sewer lateral repair or replacement in Seattle, who pulls them, and what inspections are required. WA plumber reviewed with 15 years experience.
Shut off main gas valve
Every Washington homeowner should know how to find the gas meter, identify the manual shutoff, and close it with a wrench. Here's the rule and the routine.
Water Heater Permit Requirements in Seattle and Washington State
Whether you need a permit to replace a water heater in Seattle, what the inspection covers, and what happens if you skip it. WA plumber reviewed with 25 years experience.
Water Heater Permit Seattle: What Homeowners Need to Know
Why every Seattle water heater replacement requires a permit and what the inspection checks. WA plumber reviewed with 17 years experience.
When to Hire a Plumber in Washington State: DIY vs. Pro Decision Guide
How to decide when a plumbing job is a safe DIY and when to hire a licensed WA pro. Reviewed by a WA plumber.