Plumbing FAQ

Licensed plumbers typically charge $75–$150 per hour in 2026. Master plumbers in major metro areas (NYC, San Francisco, Seattle) can charge $150–$200/hr. Most companies also charge a service/callout fee of $50–$150 just for showing up — this is usually credited toward the job.

Emergency after-hours rates are typically 1.5–2x regular rates, with a higher callout fee on top. For a 1-hour job at midnight, expect $300–$500 total.

Professional drain cleaning costs break down as follows:

• Single clogged drain (snake): $150–$300
• Hydro-jetting (high-pressure): $350–$600
• Main sewer line clearing: $300–$600
• Video camera inspection: $200–$400 additional

Many plumbers offer discounts for multiple drains in a single visit. Ask about bundling.

Repair: $150–$500 depending on the failed component (element, thermocouple, pressure relief valve, anode rod). Parts are $20–$100; labor is 1–2 hours.

Replacement (tank water heater): $800–$1,500 total for a standard 40–50 gallon unit, including installation and permit where required.

Tankless installation: $1,500–$3,500, depending on type (gas vs electric) and whether gas line upgrades are needed.

Whole-home repiping with copper or PEX tubing typically costs:

• 1,200 sq ft home: $4,000–$8,000
• 2,000 sq ft home: $6,000–$12,000
• 3,000+ sq ft home: $10,000–$18,000

PEX piping is less expensive than copper and is the current standard for new construction. Labor is the biggest variable; get at least 3 quotes for repiping work.

Most homeowner's insurance covers sudden, accidental water damage from plumbing failures — a burst pipe, for example. It does NOT cover:

• Gradual leaks (slow drips over months)
• Normal wear and tear
• Maintenance neglect
• Work done without required permits

Using licensed plumbers who pull required permits protects your insurance coverage. Take photos immediately when damage occurs and call your insurer to start a claim.

A licensed plumber has completed 2–5 years of apprenticeship, passed state licensing exams, and must carry liability insurance. An unlicensed worker has none of these requirements.

Risks of hiring unlicensed workers:

• No liability insurance to cover damage they cause
• Cannot legally pull permits (required for many jobs)
• No licensing board to file complaints with
• May void your homeowner's insurance coverage
• Unpermitted work can prevent or complicate home sales

Always verify a plumber's license on your state licensing board website before booking.

A journeyman plumber has completed their apprenticeship and passed a journeyman exam. They can work independently on most residential plumbing jobs.

A master plumber has additional training, experience, and has passed a more advanced exam. Master plumbers can: pull permits, own and operate their own plumbing company, and supervise apprentices and journeymen. Some jurisdictions require a master plumber's license to pull permits for water heater replacements, sewer work, and new installations.

Ask the plumber for their license number, then:

1. Search "[your state] plumber license lookup" — every state has an online tool
2. Enter the license number or company name
3. Verify: license is current, not expired, no disciplinary actions, correct license type

This takes about 60 seconds and is the single most important step in hiring a plumber. All plumbers listed on National Plumber Connect have been pre-verified.

Yes — for any job over $300, getting 3 quotes is strongly recommended. In a typical city, quotes for identical work can vary by $300–$800 between licensed companies. For major work (water heater replacement, sewer repair, repiping), the spread can be $1,000–$3,000.

When comparing quotes, look beyond the price: scope of work, materials specified, warranty offered, and whether permits are included all matter.

Call an emergency plumber immediately for:

• Burst pipe or major active leak causing water damage
• Sewage backing up into your home through drains or toilets
• Complete sudden loss of water, especially in freezing weather
• Frozen pipes beginning to thaw (burst risk)
• Water heater flooding or spraying from the tank
• Water near electrical panels or outlets

Usually not an emergency (can wait until morning): dripping faucet, running toilet (use shutoff valve behind toilet), single slow drain, minor low water pressure.

Fixture shutoffs: Small valves under sinks and behind toilets shut off water to that fixture only. Turn clockwise (righty-tighty) to close.

Main shutoff: Shuts off all water to the home. Typically located where the main line enters your house — often in the basement, utility closet, crawlspace, or near the water meter outside. Ball valves (lever handle) turn 90° to close; gate valves (round handle) turn multiple times clockwise.

Action item: Locate your main shutoff today and make sure it works. An emergency is the wrong time to discover it's seized shut.

Emergency plumbers typically charge 1.5–2x standard rates, plus a higher callout fee:

• Evening (5pm–10pm): $100–$150 callout + premium hourly = $300–$500 for 1-hr job
• Night (10pm–6am): $150–$250 callout + premium hourly = $400–$600 for 1-hr job
• Major holidays: $200–$400 callout + double-time hourly

The premium is real, but compare it to the cost of water damage. A burst pipe running for 8 hours causes $2,000–$10,000 in damage — far more than the emergency surcharge.

Repair time depends entirely on location:

• Accessible pipe (under sink, in basement): 30–60 minutes
• Basement or crawlspace access: 1–2 hours
• Pipe inside wall (requires opening drywall): 2–4 hours plumbing + separate drywall repair
• Slab leak (under concrete floor): 4–8+ hours for full assessment and repair

Always ask the plumber for a time estimate before they start — this helps you plan and establishes a cost baseline.

Repair if: The unit is under 8 years old, this is the first major repair, and the problem is isolated to a single component (thermocouple, heating element, pressure valve).

Replace if: The unit is 10+ years old, the tank itself is rusty or corroded, it has needed multiple repairs, energy efficiency has dropped significantly, or repair cost exceeds 50% of a new unit's cost.

The average water heater lasts 10–15 years. If you're already past 10 years, replacing during the first major failure is often smarter financially.

Usually requires a permit: Water heater replacement, sewer line repair or replacement, adding new plumbing lines or fixtures, moving existing plumbing, gas line connections, main water service work.

Usually doesn't require a permit: Replacing a faucet or fixture, fixing a leak in existing pipes, drain cleaning, toilet repair, replacing supply lines.

When in doubt, ask your plumber. A licensed plumber who says "no permit needed" for water heater replacement in a permit-required jurisdiction is a red flag — they may not want the inspection scrutiny.

Common causes, from least to most serious:

• Dry P-trap: Unused drains dry out; fix by pouring water down the drain monthly
• Failed toilet wax ring: The seal under your toilet breaks down; requires $150–$250 to replace
• Blocked sewer vent: Birds, leaves, or debris in roof vents; requires cleaning
• Cracked sewer line: More serious; requires inspection and repair

Sewer gas contains hydrogen sulfide (toxic at high concentrations) and methane (flammable). Persistent sewage smell should be investigated by a plumber promptly — ventilate the area and don't ignore it.