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How Much Does a Plumber Cost? (Real Ranges)
The math
Plumbing prices cluster by job type, not hours: faucet/leak fixes $150–$400, drains and water heaters $300–$900, whole-house repiping $2,000–$6,000. Check your range in the Plumbing Cost Estimator.
Worked example: water heater replacement
40-gallon gas tank: $400–$600 unit + $300–$500 install = $700–$1,100 total. Tankless swap runs $2,000–$3,500 with venting upgrades. Same-day emergency service adds 25–50% — a $10 shutoff valve you install today prevents the midnight call.
What you can DIY
- Faucet cartridges, flappers, supply lines: yes with shutoff confirmed
- P-trap cleaning and showerhead swaps: yes
- Anything inside walls, gas lines, sewer mains: licensed pro only
- Know your main shutoff location before touching anything
Avoiding rip-offs
Flat-rate upfront pricing beats open-ended hourly for standard jobs. Ask for the failed part back, photograph everything, and never authorize work by phone without a written range. Second opinions are free for quotes over $500.
Cost reality
Service-call fees ($75–$150) usually credit toward the job if you hire them. Annual water-heater flush extends life 3–5 years and costs nothing DIY. Whole-house repipe pays back in insurance discounts and sleep.
Limits
Estimates assume accessible plumbing — slab leaks and finished-wall chases cost far more. Get 3 quotes for anything over $500. More in plumbing guides.
Emergency playbook
Burst pipe: main shutoff first, then breaker if water nears electrics, then plumber. Sewage backup: stop all water use, call pro, document for insurance — sewer riders are cheap and most policies exclude backups by default. Gas smell: leave the house, call the gas company from outside, no switches touched.
Maintenance that prevents bills
Flush water heaters yearly, replace supply hoses every 5 years (braided steel only), know every fixture shutoff, and winterize exterior spigots before first freeze. A $200 automatic shutoff valve beats a $20,000 flood — the cheapest insurance in the house.
FAQ
- Tank or tankless? Tank is cheaper upfront; tankless saves space and standby loss but needs venting upgrades.
- Gurgling drains? Vent blockage or developing clog — try a drain snake before chemicals, never mix chemicals.
- Low pressure everywhere? Main valve, regulator, or municipal issue — check neighbors before calling.
One last rule: tag every shutoff valve with a luggage label noting what it controls and the date last exercised. In a real emergency nobody reads minds — labels turn panic into a two-minute fix instead of a flooded hour.
Budget buffer tip: approve a not-to-exceed ceiling in writing before work starts, with a call-before-proceed rule for anything beyond it. The two most expensive plumbing words are “while we are here” without a signed price attached to them.