
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.

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Our Care is beyond compare
See What Our Customers Have to Say about Tricounty Services!
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“I am delighted to thank you for the amazing work your team does.”- Anonymous
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“Angel did an excellent job.”- Nancy F.
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“Completed the job in a timely manner.”- Bradley H.
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“On time and very professional.”- Ed L.
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“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”
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“Couldn't be more pleased with your crew. They all put up with many questions while they worked.”- Carolyn K. - Newbury Park
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“When you replaced/repaired the boiler last year, it was a good job and has worked well.”- Deborah B.
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“The most competent techs I have had here in 30+ years.”- Bruce B.