Plumbing in Seattle, Washington
Best Plumbing Companies in Seattle
With a population of about 760,000, Seattle keeps plumbing professionals busy year-round. The right Plumbing company means a job done once and done right, so it pays to review ratings, read real customer feedback, and gather written quotes before you commit.
Seattle at a glance
- Population
- 755,078
- County
- King County
- Size in Washington
- #1 largest city
Source: U.S. Census Bureau, Vintage 2023 Population Estimates (POPESTIMATE2023)
What plumbing labor costs near Seattle
That's the Seattle-Tacoma-Bellevue, WA metro-area median for Plumbers, Pipefitters, and Steamfitters, 49% above the national median. Because labor is the biggest line item in most plumbingjobs, it's a strong signal of what you'll pay to hire in Seattle.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), 2025 · metro-area estimate · Plumbers, Pipefitters, and Steamfitters (SOC 47-2152)
Permits & licensing in Seattle
Building permits in Seattle are issued locally — confirm what your project needs with the King County or Seattle building department before work starts. Contractor licensing is handled at the state level by the Washington State Dept. of Labor & Industries — Contractor Registration, where you can verify a company's license.
Verify a license — Washington State Dept. of Labor & Industries — Contractor Registration
Top-Rated Plumbing Companies in Seattle
Below are highly rated plumbing companies serving Seattle and the surrounding area. Compare providers, request quotes, and find the right professional for your project.