Plumbing in St. Louis, Missouri
Best Plumbing Companies in St. Louis
St. Louis is one of Missouri's larger cities, home to about 280,000 residents — and with that many households comes steady demand for reliable plumbing work. Because quality and pricing vary from one company to the next, comparing several St. Louis providers side by side is the smartest way to hire with confidence.
St. Louis at a glance
- Population
- 281,754
- Size in Missouri
- #2 largest city
Source: U.S. Census Bureau, Vintage 2023 Population Estimates (POPESTIMATE2023)
What plumbing labor costs near St. Louis
That's the St. Louis, MO-IL metro-area median for Plumbers, Pipefitters, and Steamfitters, 21% 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 St. Louis.
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 St. Louis
Building permits in St. Louis are issued locally — confirm what your project needs with the St. Louis building department before work starts. Contractor licensing is handled at the state level; Missouri has no statewide general-contractor license, so check the Missouri (contractor licensing is handled by local jurisdictions) and local rules.
Licensing info — Missouri (contractor licensing is handled by local jurisdictions)
Top-Rated Plumbing Companies in St. Louis
Below are highly rated plumbing companies serving St. Louis and the surrounding area. Compare providers, request quotes, and find the right professional for your project.