Plumbing — Repair, Replacement & Water System Costs
Plumbing problems escalate on their own schedule: a slow drain becomes a backup, a weeping tank becomes a flooded floor. These guides put numbers and decision frameworks on the common calls — before the emergency premium applies.
The recurring theme across every plumbing decision: diagnosis before money. A $200 camera inspection routinely saves thousands in misdirected repairs, and the guides below flag exactly where that applies.
Cost guides
| Guide | Typical | Range |
|---|---|---|
| How Much Does Sewer Line Replacement Cost? | $8,500 | $3,500 – $20,000 |
| How Much Does Drain Cleaning Cost? | $300 | $125 – $800 |
| How Much Does Sump Pump Installation Cost? | $1,200 | $400 – $3,500 |
| How Much Does Water Heater Replacement Cost? | $1,700 | $1,000 – $3,300 |
| How Much Does Water Heater Repair Cost? | $400 | $150 – $950 |
| How Much Does Water Softener Installation Cost? | $2,000 | $1,000 – $3,800 |
Calculators
Key decisions
Emergency or schedulable?
Active leaks you can't stop at a shutoff, sewage backups, and no-water situations are emergencies — expect 1.5–2× rates. Almost everything else costs meaningfully less scheduled: slow drains, weeping valves, aging-but-working heaters. Knowing where your main shutoff is converts many emergencies into appointments.
Why do plumbers push camera inspections?
Because on recurring drain and sewer problems they end the guessing: roots vs grease vs collapse are three different bills ($400 vs $900 vs $8,500). On any repeat main-line clog, the $150–$500 camera is the highest-value line item on the invoice.
What protects a house best per dollar?
Knowing the main shutoff, braided supply lines on appliances, a sump backup if you have a pit, water-alarm pucks under the heater and washer, and softening genuinely hard water. Cheap, boring, and collectively worth more than any single repair.
Every figure above is an editorial estimate with published assumptions — see how we estimate costs.