4.9/5 — 2,000+ Five-Star Reviews

Kitchen Sink Installation
Bay Area's #1 Choice

Kitchen sink installation from United HVAC, Plumbing & Electrical covers everything from a straightforward drop-in swap to a full undermount sink. Homeowners in San Jose, Cupertino, and Sunnyvale call us for new kitchen sink installation whether they’re remodeling, upgrading their fixtures, or replacing a cracked, leaking, or outdated sink. We have some specialists who are great in kitchen sink installations and do 1-2 projects a week.

⚡ Average response: under 60 min

Need Kitchen Sink Installation?

  • No hidden costs
  • Same-day service
  • Fully licensed and insured
  • 6000+ completed jobs
Google Rating
5 .9★
Five-Star Reviews
1900 +

4.9/5 Rating

2,000+ Reviews

Licensed & Insured

CA Licensed

Same-Day Service

24/7 Emergency

25+ Years

Bay Area Experts

6,000+

Jobs Completed

Simple Process

How It Works

1

Call Us 24/7

Reach us anytime at
(408)539-6936.

2

Same-Day Dispatch

A licensed technician arrives at your home, often same day.

3

Diagnose & Fix

Upfront pricing before work begins. No hidden fees, ever.

4

100% Satisfaction

We stand behind every job with our satisfaction guarantee.

What Is Professional Kitchen Sink Installation and When Do You Need It?

Professional kitchen sink installation means removing your existing sink, adjusting or extending plumbing connections as needed, and setting a new sink so it seals correctly against your countertop and drains without leaks. It’s warranted when a sink cracks, rusts, drains slowly despite clearing the trap, or when a remodel or countertop replacement calls for a different sink style or mounting type.

Kitchen Sink Installation

Types of Kitchen Sinks We Install

Our plumbers install drop-in (top-mount), undermount sinks in single, double, and workstation configurations. Drop-in kitchen sink installation is the most common replacement job because it works with existing countertop cutouts in most cases. Undermount and farmhouse sinks usually involve more countertop and cabinet work, which we’ll walk through during the assessment.

Signs It’s Time to Replace Your Kitchen Sink

Honestly, each client decides by himself when to install a new sink. Chips, hairline cracks, chronic staining, or a basin that no longer sits flush against the counter are the clearest signs a sink needs replacing rather than repairing. Persistent leaks under the cabinet, corroded strainer baskets, or a sink that predates a countertop upgrade also point to replacement. Many older Bay Area homes still have sinks original to the house, and the mounting hardware alone is often past its service life.

Kitchen Sink Installation: How the Process Works

Kitchen sink installation starts with an on-site assessment of your cabinet, countertop, and existing plumbing, followed by removal of the old sink and installation of the new one with fresh supply lines, drain connections, and a tested seal. Most standard drop-in replacements are completed in a single visit.

Pre-Installation Assessment

Before removing anything, we check the drain rough-in depth, supply line condition, and countertop cutout dimensions against the new sink’s specs. This step matters most in older homes throughout Palo Alto and Belmont, where drain heights and pipe materials often don’t match current standards. Catching a mismatch here avoids delays once the old sink is already out.

What Happens on Installation Day

We disconnect and remove the existing sink, prep the cutout or cabinet as required, and set the new sink with the appropriate clips, adhesive, or mounting brackets for its style. Supply lines, the P-trap, and the garbage disposal connection get reinstalled or replaced, and we run water through every line to check for leaks before calling the job finished.

Kitchen Sink Installation

Kitchen Sink Installation Cost in the Bay Area

Kitchen sink installation cost in the Bay Area typically depends on the sink style, the condition of existing plumbing, and whether the countertop needs modification. A straightforward drop-in kitchen sink installation costs less than an undermount or farmhouse conversion, since the latter often require countertop cutting or cabinet reinforcement.

Factors That Affect the Final Price

Sink material and weight, the number of basins, faucet hole configuration, and whether the garbage disposal needs replacing all factor into the quote. Undermount sinks on granite or quartz counters — common in Saratoga kitchens we’ve worked on — require precise cutout tolerances, which adds labor time compared to a same-style drop-in swap. We price every job with a flat rate before work begins, not an hourly estimate that can shift once the cabinet is open.

What’s Included — and What Costs Extra

Standard installation includes removal and disposal of the old sink, new supply lines, drain assembly, and a full leak test. Countertop modification, cabinet reinforcement for a farmhouse sink, new faucet installation, or garbage disposal replacement are quoted separately since they depend on what we find during the assessment. We walk through every line item before starting so there’s no surprise on the invoice.

Why Bay Area Homeowners Choose United HVAC, Plumbing & Electrical for Kitchen Sink Installation

Bay Area homeowners choose United HVAC, Plumbing & Electrical for kitchen sink installation because of licensed, insured local plumbers, over 25 years of regional experience, and same-day scheduling with flat-rate pricing set before any work begins.

Licensed, Insured, and Local

Every plumber on our team holds a California plumbing license, which means the sink installation, drain work, and any disposal reconnection meet code requirements a homeowner’s insurance will recognize. Being insured also means that if a countertop or cabinet is damaged during the job, the cost of repair is covered rather than passed on to you.

Kitchen Sink Installation

25+ Years Installing Kitchen Sinks Across the Bay Area

We’ve installed sinks in homes ranging from mid-century houses in Campbell and Los Gatos to new builds throughout Milpitas and Menlo Park, which means we’ve worked around most drain rough-in quirks, cabinet configurations, and countertop materials the region has to offer. Our supervisors and best installers have 25+ years of hands-on experience. That history shows up in how quickly we can diagnose a mismatch between an old drain line and a new sink before it becomes a bigger job.

Same-Day Service With Upfront Flat-Rate Pricing

Not that many kitchen sink installation service calls are scheduled and completed the same day. Normally you would need an estimate first.

 

Replacing a kitchen sink in the Bay Area? Call United HVAC, Plumbing & Electrical at (408)539-6936 — we bring the tools, handle the hookup, and leave no mess behind.

100% Satisfaction Guarantee

If you're not completely satisfied with our work, we'll come back and make it right — free of charge. That's our promise to every customer.

Signs You Need Kitchen Sink Installation

  • Water seeping through the seal between sink and counter
  • Rusty or chipped basins that are hard to keep clean
  • Incompatible sink depth for new disposal units
  • Persistent odors coming from under-mount seams
  • Cracked porcelain or scratched stainless steel surfaces

Call Us Today

Available 24/7 • No trip charge • Free estimates

Why Choose United HVAC

  • 25 years of experience
  • Same-day service
  • 1+ year warranty
  • 6000+ completed jobs
  • 0% interest financing and discounts
  • Fully licensed and insured
  • Well reviewed and highly trusted
  • No hidden costs
  • We work 365 days a year

Got Questions?

Frequently Asked Questions

What is the difference between a drop-in and an undermount sink?

A drop-in sink rests on top of the countertop with its rim visible, while an undermount sink attaches beneath the counter for a flush, seamless look. Drop-in installation is generally faster and less expensive since it doesn't require precise countertop cutout work. Undermount sinks need a countertop rated for the mounting method, which usually means stone or solid-surface material.

Do I need to replace my garbage disposal when I get a new sink?

Not always — if your current disposal is in good condition and the new sink's drain opening matches, we can often reconnect it. Older disposal units or a mismatch in basin depth sometimes require a new unit or an extended drain assembly. We'll tell you which applies once the old sink is off.

Why is there a gap between my undermount sink and the countertop?

This usually points to a failed adhesive bond or clips that have loosened over time, letting the sink shift slightly from the countertop. It's a common issue in older undermount installations and one we see often on service calls. Left alone, it can lead to water intrusion under the counter, so it's worth addressing before it worsens.

Can you replace a sink without damaging my granite or quartz counters?

Yes, it is possible if the new sink matches the existing cutout size.  We can typically complete the swap without cutting the stone. But if you're switching from drop-in to undermount, or changing basin dimensions, some cutout modification is unavoidable, and we'll explain exactly what that involves before starting.

Related Services

Other Plumbing Services

Leak Detection

Advanced leak detection technology to locate hidden leaks and prevent water damage.

Water Pipe Repair

Expert water pipe repair and replacement to restore your plumbing system.

Faucet Installation

Professional faucet installation and replacement for kitchens and bathrooms.

Kitchen Sink Installation

Complete kitchen sink installation including plumbing connections and fixtures.

Garbage Disposal

Garbage disposal installation, repair, and replacement services.

Shower Repair & Replacement

Shower repair and replacement services including valves, heads, and enclosures.

Toilet Installation & Repair

Toilet installation, repair, and replacement for all makes and models.

Gas Line Repair & Installation

Licensed gas line repair, installation, and leak detection for safety and compliance.

Reverse Osmosis System Installation

Under-sink and whole-home reverse osmosis system installation for clean drinking water.

Explore Our Other Services

Heating & Air Conditioning

10 services available

Plumbing Services

9 services available

Drain & Sewer

4 services available

Water Line / Repiping

4 services available

Water Heating & Filtration

4 services available

Electrical Services

6 services available

Serving the Bay Area

Kitchen Sink Installation Available In

We proudly serve homeowners across the entire Bay Area

Don’t see your city? Call (408)539-6936 to check availability.

Our Service Area

Santa Clara County
San Mateo County

Ready to Get Started?

Average response time: under 60 minutes