Serving San Mateo & Surrounding Areas

Plumbing, HVAC & Electrical
in San Mateo

San Mateo residents rely on United HVAC for comprehensive home services throughout the city.

4.9/5 — 2,000+ Reviews from Bay Area homeowners

⚡ Same-Day Service Available

Need Help in San Mateo?

One call does it all — 24/7

  • 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

25+

Years Experience

6K+

Jobs Completed

24/7

Emergency Service

100%

Satisfaction Guaranteed

Complete Home Services

Services We Provide in San Mateo

From HVAC repair to electrical upgrades, our licensed technicians handle it all.

Heating & Air Conditioning

  • Air Conditioner Installation
  • Air Conditioning Repair
  • Air Conditioning Maintenance
  • Heating System Installation

Drain & Sewer

  • Cleanout Installation
  • Sewer Line Repair & Replacement
  • Drain Cleaning & Unclogging
  • Camera Inspection for Sewer Line

Water Heating & Filtration

  • Tankless Water Heater Installation & Repair
  • Hybrid Water Heater Installation
  • Gas Tank Water Heater Installation & Repair
  • Whole House Filtration Installation

Water Line / Repiping

  • Leak Detection & Repair
  • Full House Water Repiping
  • Main Shut Off Valve Installation & Replacement
  • Pressure Regulator Valve Installation & Replacement

Plumbing Services

  • Leak Detection
  • Water Pipe Repair
  • Faucet Installation
  • Kitchen Sink Installation

Electrical Services

  • Electrical Panel Inspection & Replacement
  • Electrical Troubleshooting & Repair
  • General Electrician Services
  • Rewiring

Plumbing, HVAC & Electrical Across San Mateo

San Mateo is a large, varied city — grand older homes in San Mateo Park, Baywood, and Aragon; mid-century neighborhoods like Shoreview and Sunnybrae; and busy corridors around Hillsdale. Older homes frequently need water-line repiping, drain and sewer lateral repair, and electrical panel upgrades for modern loads and EV chargers. Across the city we install and service heating and AC and water heaters with whole-home filtration.

Our licensed team covers heating, cooling, plumbing, drains, and electrical in one call. We work across San Mateo County daily, know the city’s permit process, and help you claim heat-pump and electrification rebates through Peninsula Clean Energy (PCE). From San Mateo Park to Shoreview, you get upfront pricing, licensed technicians (CA License #1061226), and same-day plus 24/7 emergency service.

Frequently Asked Questions in San Mateo

Do you work on older estate homes in San Mateo Park and Baywood?

Yes. We service San Mateo’s historic homes — repiping galvanized lines, repairing sewer laterals, and upgrading original panels while protecting the home’s architecture.

Are there heat-pump rebates in San Mateo?

Yes. San Mateo homeowners can access heat-pump and electrification rebates through Peninsula Clean Energy (PCE). We help you choose a qualifying system and handle the paperwork.

Do you offer same-day and emergency service in San Mateo?

Yes. Same-day appointments and 24/7 emergency plumbing, heating, and cooling across San Mateo — from Hillsdale to Shoreview.

Ready to Get Started?

Call now for same-day service in San Mateo

Why Us

Why San Mateo Homeowners Trust Us

For over 25 years, we've been the Bay Area's most trusted home service company. Our commitment to quality workmanship, honest pricing, and exceptional customer care has made us the go-to choice for San Mateo homeowners.

Licensed & Insured

Fully licensed, bonded, and insured for your protection.

Same-Day Service

We dispatch technicians quickly — often the same day you call.

Satisfaction Guarantee

If you're not happy, we make it right. Period.

Upfront Pricing

No hidden fees or surprise charges. You approve the price first.

Call Us Today

Speak directly with our San Mateo dispatch team. No robots, no hold music — just real people ready to help.

Available 24/7 • No trip charge • Free estimates

Customer Reviews

What San Mateo Residents Say

"United HVAC came out the same day I called. The technician was professional, explained everything clearly, and fixed our AC in under an hour. Highly recommend!"
Sarah M.
San Mateo Resident
"We've used United HVAC for plumbing and electrical work. Always on time, fair pricing, and quality workmanship. They're our go-to for everything."
James T.
San Mateo Resident
"Called at 10pm for an emergency leak and they were here within an hour. Saved us from major damage. Can't thank them enough!"
Linda R.
San Mateo Resident

Emergency Service 24/7 in San Mateo

Plumbing, HVAC, or electrical emergency? Don't wait — our technicians respond fast with same-day service.

Average response time: under 60 minutes

Serving the Bay Area

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