Plumbing Cost in St Louis 2026
Plumbing costs in St Louis vary based on the scope of work, pipe material, and whether the job is a repair or new installation. Licensed plumbers must follow the International Plumbing Code (IPC) or Uniform Plumbing Code (UPC).
Plumbing Cost Breakdown in St Louis 2026
Indicative rates based on recent quotes from contractors in St Louis, Missouri. Actual costs may vary based on site conditions and scope of work.
| Work Type | Min Rate | Max Rate | Unit |
|---|---|---|---|
| Faucet Repair / Replacement | $120 | $350 | per job |
| Toilet Installation | $200 | $500 | per unit |
| Water Heater Replacement | $800 | $3,000 | per unit |
| Drain Cleaning | $100 | $400 | per job |
| Whole-House Repiping (Copper) | $4,000 | $15,000 | per house |
| Whole-House Repiping (PEX) | $2,500 | $8,000 | per house |
| Sewer Line Repair | $1,500 | $6,000 | per job |
| Bathroom Rough-In | $1,500 | $4,000 | per bathroom |
Factors Affecting Plumbing Cost in St Louis
How to Save Money on Plumbing in St Louis
Bundle multiple plumbing jobs together for a volume discount.
Choose PEX over copper for repiping — 30–50% cheaper with comparable lifespan.
Schedule non-emergency work during weekdays to avoid weekend/overtime rates.
Always verify the plumber is licensed and insured in St Louis before work begins.
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Plumbing Cost FAQs – St Louis, Missouri
How much does a plumber cost per hour in St Louis?
Plumbers in St Louis charge $45–200/hr depending on the job type, time of day, and urgency. Emergency calls and after-hours service cost 1.5–2x the standard rate.
Do I need a permit for plumbing work in St Louis?
Yes. In St Louis, permits are required for new installations, repiping, water heater replacements, and sewer line work. Minor repairs like faucet replacement typically do not require permits.
How long does a whole-house repiping take?
A whole-house repiping in St Louis takes 2–5 days depending on home size, pipe material, and accessibility. PEX repiping is faster than copper.
How do I find a licensed plumber in St Louis?
Use Biddaro to compare verified, licensed plumbers in St Louis. Read reviews, compare quotes, and check credentials in one place.
Plumbing Cost in Other Cities in Missouri
Compare rates across major cities in Missouri.
Other Construction Costs in St Louis
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