Fixing a leaking sink typically costs $125-$350, with an average bill near $225 for a plumber to diagnose and repair a common leak. The price depends on whether the source is a faucet, drain, supply line, or damaged sink, plus labor rates, parts, and access.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Typical sink leak repair | $75 | $225 | $650 | Minor part repair through harder-to-reach or multi-part repairs |
| Plumber service call | $50 | $100 | $175 | May be credited toward repair |
| Faucet or drain parts | $5 | $45 | $200 | Part type and quality affect price |
| Labor rate | $75/hr | $110/hr | $175/hr | Often subject to a one-hour minimum |
Typical repair prices for a kitchen or bathroom sink
A straightforward repair, such as tightening a connection or replacing a washer, usually totals $75-$200. Replacing a faucet cartridge, pop-up drain seal, or short supply line commonly costs $150-$350, including a service visit. Repairs involving corroded fittings, a difficult-to-reach connection, or several failing parts can reach $350-$650.
Most homeowners pay about $150-$350 when the sink itself is sound and the leak comes from a replaceable part. These estimates assume standard residential plumbing, ordinary access beneath the sink, and no water damage or cabinet reconstruction. In higher-cost metro areas, the same repair may cost 15%-30% more than the national midpoint.
What faucet, drain, and labor charges add to the quote
A written estimate may separate diagnosis, labor, and replacement parts—or combine them into one repair price. Parts are often inexpensive, but a plumber’s minimum charge can make a small repair cost more than the hardware itself.
| Quote item | Typical price | What it covers | Pricing note |
|---|---|---|---|
| Diagnosis or service call | $50-$175 | Leak tracing and initial visit | Sometimes applied to repair |
| Labor | $75-$175 per hour | Removal, fitting, testing | Many jobs have a one-hour minimum |
| Faucet cartridge or seals | $10-$100 | Internal faucet components | Brand-specific parts may cost more |
| Supply line or drain parts | $10-$150 | Hoses, washers, trap, drain assembly | Material and configuration vary |
| Disposal or extra work | $10-$100 | Old-part removal or cleanup | Usually applies to larger replacements |
Labor and the service minimum usually matter more than the price of a basic washer or seal. Ask whether the quoted total includes diagnosis, parts, testing, and tax, and whether a second trip would create another service fee.
Which leak source changes the sink repair price?
A drip from the faucet spout often points to a cartridge, washer, or valve issue; a leak under the basin may come from a supply connection, drain seal, or P-trap. Faucet repairs commonly fall around $100-$300, while a drain or trap repair often runs $125-$350. A cracked sink or damaged countertop connection can require replacement rather than a simple plumbing repair.
Finding the exact leak location helps prevent paying for parts that do not solve the problem. A leak that appears only while water drains suggests a drain-side problem; a leak that continues with the faucet off may point to a pressurized supply line or shutoff valve.
How plumber labor hours affect the final bill
Many common sink repairs take 30-90 minutes once the plumber has access to the faulty part. A basic washer or supply-line fix may fit within a one-hour minimum, while a seized faucet, cramped cabinet, or corroded shutoff can extend work to 2-3 hours. Labor math is commonly estimated as , plus any service-call fee and parts.
Extra labor is most likely when fittings are rusted, access is restricted, or a second component fails during removal. Clearing stored items from under the sink can make inspection and repair easier, but it does not eliminate the plumber’s minimum charge.
Pipe size, corrosion, and access that raise repair costs
Sink plumbing is often connected with 1.25- or 1.5-inch drain pipe, and matching an older or unusual assembly can increase parts and labor. A standard flexible supply line may cost $10-$30, while specialty or longer lines can cost $30-$75. If corrosion prevents a shutoff valve from closing or a fitting from loosening, replacing the valve or adjacent pipe can add $100-$300 or more.
Scope can change quickly when the repair extends beyond the leaking seal to a valve, pipe, or cabinet surface. Water-damaged cabinet bottoms may need separate carpentry work, often $150-$500 depending on the affected area; that expense is not usually part of a plumber’s leak-repair quote.
Regional sink repair rates from rural towns to big cities
Local labor prices can shift the same repair substantially. Rural markets and lower-cost regions may land 10%-20% below typical estimates, while large coastal cities and high-cost metros may run 20%-40% above them. A repair estimated at $200 in a lower-cost market could approach $240-$280 in an expensive city, before after-hours charges or unusual parts.
Compare local quotes for the same scope rather than relying on a national average alone. Check whether the estimate includes the initial visit, parts, and a workmanship warranty; a lower hourly rate may not mean a lower total if the company adds a separate diagnostic fee.
When a faucet replacement costs less than another repair
Repairing a faucet is generally economical when the body is intact and the needed cartridge or seal is available. If the faucet is badly corroded, repeatedly leaking, or uses discontinued parts, replacement may be more practical. A plumber-installed standard faucet replacement commonly costs $250-$600, including a basic faucet and labor; premium fixtures or difficult removal can raise the total to $700-$1,000.
Compare the full replacement quote with the repair estimate, not just the fixture’s retail price. Replacing a drain assembly at the same visit may add roughly $100-$250 in labor and parts, depending on access and whether the old hardware comes apart cleanly.
How to keep a leaking sink repair within budget
Describe when the leak occurs, share photos of the faucet and under-sink plumbing, and ask for a diagnosis before authorizing broad replacement work. Request an itemized quote with separate labor and parts, and compare at least two local estimates when the leak is not urgent. Avoid delaying repairs if water is reaching the cabinet or floor, since continued moisture can lead to more expensive damage.
Target the failed component first and approve added work only when inspection shows it is necessary. If a repair estimate is close to the cost of a new faucet, ask about the fixture’s age, parts availability, warranty, and installed replacement price before choosing.