Faucet Installation

Installs a new faucet and connects the water supply and drain components, matched to licensed local plumbers who get the fit right.

What's Involved in a Proper Faucet Installation

Installing a new faucet means more than connecting two supply lines, it often involves matching the faucet’s mounting configuration to your existing sink holes, sealing it properly to prevent under-sink leaks, and making sure old shutoff valves aren’t seized or corroded. A mismatch in mounting holes or an overlooked bad valve is why a seemingly simple faucet swap sometimes turns into a bigger job.

The faucet is the easy part, it’s the valves and connections underneath that decide how smooth the install goes.

When You Need Faucet Installation

A few common situations call for a new faucet install.

  • You’re upgrading your kitchen or bathroom faucet’s style or function
  • Your current faucet is beyond repair or discontinued
  • You’re renovating and replacing the sink along with the faucet
  • You want a touchless or pull-down faucet that requires different connections
  • Old shutoff valves under the sink need replacing along with the faucet

Faucet Installation Is Often DIY-Friendly

This is one of the more approachable plumbing swaps for homeowners.

  • Turn off the shutoff valves under the sink before disconnecting anything
  • Check that your new faucet’s mounting holes match your sink’s existing configuration
  • Use plumber’s tape on threaded connections to help prevent leaks
  • If shutoff valves are corroded or won’t turn, that’s a sign to call a plumber before proceeding
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Why Compare Quotes Instead of Calling Just One Plumber

Here’s what matters when comparing faucet installation quotes:

A faucet install is usually quick, but a rushed one is exactly how under-sink leaks start. Comparing quotes takes a few minutes and gets you a clean, leak-free connection.

Tell Us What You Need

Answer a few quick questions about your plumbing job — the problem, your timeline, and your property.

Get 3 Competing Quotes

We match you with up to 3 licensed, insured plumbers in your area who compete for your business.

Pick the Best Deal

Compare quotes side-by-side. Check pricing, warranties, and reviews, then choose the pro that fits your needs and budget.

Everything You Need to Know About Faucet Installation.

How much does it cost to have a new faucet installed?

Installation cost depends on the faucet type, whether it’s a direct swap or requires new holes, connectors, or supply lines, and local labor rates. A basic single-hole kitchen or bathroom faucet swap on existing plumbing sits on the lower end, while a pot-filler, commercial-style, or touchless faucet with extra wiring or plumbing changes costs more. Getting a couple of quotes is the simplest way to see what’s typical in your area before booking. You can compare quotes from licensed plumbers, including providers serving San Diego County and Los Angeles County.

A like-for-like faucet swap with the same number of holes and standard supply line connections is a realistic DIY project for someone comfortable working in a tight cabinet space with a basin wrench. It gets more complicated if the new faucet needs a different hole configuration, the old shutoff valves are corroded and won’t close fully, or the sink deck needs sealing to prevent leaks underneath. A poor seal at the base is the most common DIY mistake and often isn’t noticed until water damage shows up in the cabinet. For anything beyond a straightforward swap, compare quotes from licensed plumbers to avoid a costly redo. A related sink installation or swap is a natural project to combine with a faucet upgrade.

A standard kitchen or bathroom faucet installation on existing, functioning supply lines typically takes a plumber about 30 to 60 minutes. If the shutoff valves are old and need replacing, the sink holes don’t match the new faucet’s configuration, or it’s a pot-filler or touchless model requiring extra wiring, expect closer to 90 minutes to two hours. Ask for a time estimate when booking, since it can vary based on your sink and cabinet setup. You can get a sense of timing when you compare quotes from licensed plumbers. If you are also updating the sink at the same time, mention that when booking so the plumber can plan for both jobs together.

A complete installation typically covers removing the old faucet, cleaning the sink deck, setting and sealing the new faucet base, connecting supply lines, testing the water flow and temperature mix, and checking for leaks under the sink. Many plumbers will also inspect the shutoff valves and recommend replacing them if they’re corroded or slow to operate, since a new faucet on a failing valve just delays a future problem. Confirm what’s included before the visit, especially disposal of the old fixture. You can compare quotes from licensed plumbers and ask about a bundled sink installation if you’re replacing both at once.

The number of holes already drilled in your sink or countertop is the biggest constraint, since a single-hole faucet won’t cover a three-hole layout without a deck plate, and a widespread faucet needs holes spaced correctly apart. Beyond fit, consider finish durability (brushed nickel and stainless resist fingerprints better than polished chrome), spout height and reach relative to your basin, and whether you want a pull-down sprayer for a kitchen. If you’re not sure what will fit, a plumber can measure and recommend options during a quote visit booked through 3PlumbingQuotes. If you are unsure whether your current sink setup will accommodate a new style, a plumber can confirm fit before you buy.

Not always, but it’s common, since shutoff valves that are more than 10 to 15 years old often corrode internally and can seize or leak once they’re turned for the first time in years during a faucet swap. Plumbers frequently recommend replacing them proactively during installation rather than risking a mid-job valve failure that turns a simple swap into an emergency shutoff situation. It’s a relatively small added cost compared to the hassle of a failed valve later. Ask about this when you compare quotes from licensed plumbers, or look into a standalone shutoff valve replacement if yours is already showing wear.

Touchless and smart faucets install similarly to standard ones in terms of the water connections, but they add a battery pack or power adapter, a sensor module, and sometimes app-based setup that a standard installation doesn’t require. Placement of the battery box under the sink and access to a nearby outlet (for plug-in models) are details worth planning ahead. These faucets can also be pickier about water pressure and may need a filter to prevent sensor issues from mineral buildup. A licensed plumber familiar with these systems can install and calibrate one correctly through 3PlumbingQuotes. It is also worth checking your home’s water pressure beforehand, since sensor-based faucets can be sensitive to inconsistent flow.

Kitchen faucets tend to be taller with a higher arc and often include a side sprayer or pull-down head, which means an extra hose to route and sometimes an additional deck hole, while bathroom faucets are typically shorter, lower-flow, and simpler to swap. Kitchen installations more often involve a garbage disposal or dishwasher connection nearby that can complicate access under the sink. Bathroom faucet jobs are usually quicker but still require a careful seal to avoid water getting under the vanity. Either way, you can compare quotes from licensed plumbers, and check the garbage disposal page if that’s part of the same kitchen project.

Make sure the base is properly sealed with plumber’s putty or the manufacturer’s gasket, that supply line connections are snug but not overtightened, and that the shutoff valves fully close and open without resistance. After installation, run the faucet through hot and cold cycles and check under the sink for drips at every connection point, not just right after the job but again a day or two later once the fittings have settled. If any dampness shows up under the cabinet, address it immediately rather than waiting, since cabinet wood absorbs moisture quickly. A follow-up visit through 3PlumbingQuotes or a water leak repair quote can resolve any lingering issue fast.

Ceramic-disc valves, solid brass construction, and finishes like PVD-coated stainless tend to outlast cheaper faucets by years and resist the drips and pitting that come with lower-quality internals. Since labor cost is often similar whether you install a budget or premium faucet, many homeowners find the incremental material cost worthwhile to avoid a repeat installation in five years. That said, a mid-range faucet from a reputable brand is often plenty durable for typical household use. A plumber can walk through the tradeoffs for your specific fixture when you compare quotes from licensed plumbers. The same logic applies if you are weighing a similar upgrade during a sink installation or replacement.