Skip to Content
Your Heating, Cooling & Fireplace Specialists
Top
October is Breast Cancer Awareness Month Honest, Trustworthy & Experienced

Areas We Serve – Los Angeles County

Trusted Plumbing & HVAC Services from TriCounty Services

At TriCounty Services, we proudly bring our expert plumbing and HVAC solutions to homes and businesses across Los Angeles County. With our headquarters in Ventura, CA, we are strategically located to provide fast, reliable service throughout the region. Whether you need emergency plumbing, AC repair, furnace installation, or routine maintenance, our licensed technicians are here to help — with top-tier customer care and transparent pricing.

Los Angeles County Cities We Serve

We cover a wide range of cities and neighborhoods across Los Angeles County, including but not limited to:

  • Thousand Oaks
  • Westlake Village (both LA & Ventura County sides)
  • Agoura Hills
  • Calabasas
  • Oak Park
  • Lake Sherwood
  • Hidden Hills
  • Bell Canyon
  • Topanga

Don’t see your city listed? Give us a call — we may still be able to help!

💧 Plumbing Services in Los Angeles County

From leaky faucets to full repipes, our plumbing team is trained and equipped to handle any issue:

  • Drain Cleaning & Hydro Jetting
  • Water Heater Repair & Replacement
  • Leak Detection & Repair
  • Sewer Line Inspections & Repairs
  • Fixture Installation
  • Gas Line Services

❄️ Heating & Cooling Services in Los Angeles County

Keep your home comfortable year-round with our full HVAC service offerings:

  • Air Conditioning Repair & Installation
  • Furnace Repair & Installation
  • Ductwork & Ventilation
  • Indoor Air Quality Solutions
  • Thermostat Upgrades
  • Seasonal Maintenance

Why Choose TriCounty Services?

✅ Locally Owned & Operated – Based in Ventura, we understand the unique needs of Southern California homes.   
✅ Licensed & Insured – All technicians are trained, certified, and background-checked.   
✅ Fast Response Times – Same-day service available in many parts of Los Angeles County.   
Customer Satisfaction Guaranteed – Our 5-star service speaks for itself.

Online Coupons

Take Advantage of our Online Specials
Up to $1,500 OFF End-of-Year Insulation Special

Limited dates and availability.

Valid Oct 1, 2025 - Dec 31, 2025

Our Care is beyond compare

See What Our Customers Have to Say about Tricounty Services!
    “Excellent Communication Skills”
    Dakota is one of the best technicians I have met, and hope he'll be working for you for a long time. He is knowledgeable, professional, and has excellent communication skills. He even got us signed up for your club! Thanks also to Ellie for scheduling us at the last minute.
    - Frank & Tracey
    “Great Job”
    Angel was awesome, fair, informative, and did a great job overall!
    - William & Heather
    “Very professional.”
    Angel was great. Very professional and friendly.
    - Richard V.
    “His work is excellent!”
    “I am delighted to thank you for the amazing work your team does.”
    - Anonymous
    “Very helpful.”
    “Angel did an excellent job.”
    - Nancy F.
    “The workmanship was fantastic.”
    “Completed the job in a timely manner.”
    - Bradley H.
    “I will use this service again for certain.”
    “On time and very professional.”
    - Ed L.
    “Definitely rates among the highest.”
    “We were very pleased with the work done by everyone who was at our home from TriCounty Services. The crew was very professional. They took care not to dirty any areas inside the house by wearing shoe covers and laying down a protective cover on our entranc”

Schedule Your Service

Fill out the form below to immediately connect with a qualified technician, or call us at (805) 500-2944.
  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please lookup your address.
  • Please make a selection.
  • Please enter a message.
  • By submitting, you agree to receive text messages from TriCounty Services at the number provided, including those related to your inquiry, follow-ups, and review requests, via automated technology. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency may vary. Reply STOP to cancel or HELP for assistance. Acceptable Use Policy