
- Carlsbad
- Del Mar
- Encinitas
- Escondido
- Mira Mesa
- Oceanside
- Poway
- Rancho Bernardo
- San Marcos
- Scripps Ranch
- Vista
Trusted HVAC and Plumbing Services in San Marcos, CA
Homeowners in San Marcos know that comfort depends on reliable heating, cooling, and plumbing. But with inland heat, coastal moisture, and older infrastructure in some areas, North County homes face unique challenges. At Anderson Plumbing, Heating & Air, our team brings decades of experience serving homes across San Marcos and the surrounding region. Whether you live near CSUSM, Twin Oaks Valley Road, or Lake San Marcos, our technicians are ready to help with fast, dependable service.
We understand the specific conditions that affect plumbing and HVAC performance in North County. From salt air corrosion in coastal areas to furnace wear in Ramona’s higher elevations, we tailor every solution to the home, neighborhood, and climate.
Address: 2930 Norman Strasse Rd, Suite 112, San Marcos, CA 92069
Phone: (760) 762-4388
Schedule OnlineFull-Service San Marcos Plumbing and HVAC Company
We offer comprehensive, code-compliant plumbing and HVAC solutions throughout San Marcos. Our work is Title 24 Compliant, SDG&E rebate eligible, and performed by trained, licensed professionals who know the area. No guesswork, no shortcuts, just reliable service from a team that lives and works locally.
Plumbing Services in San Marcos
- Water heater repair and replacement
- Leak detection and repair
- Fixture installation and service
- Backflow prevention
- Piping and repiping
- Hard water scale treatment
- Low-NOx water heater upgrades
- Plumbing for septic systems and wells
- Code-compliant installations and retrofits
Sewer & Drain Services in San Marcos
- Drain cleaning and clog removal
- Sewer camera inspections
- Trenchless sewer repair and replacement
- Septic system maintenance and referrals
- Root intrusion treatment
- Aging infrastructure repair solutions
HVAC Services in San Marcos
- AC repair and seasonal tune-ups
- AC installation and system upgrades
- HVAC repair and diagnostics
- Heat pump and furnace installation
- Air conditioning service and performance testing
- HVAC zoning systems for multi-level homes
- Salt-air protection for coastal AC systems
Indoor Air Quality Services in San Marcos
- Whole-home air filtration
- Humidity control and dehumidifiers
- Duct cleaning, sealing, and inspections
- UV air purification
Emergency Plumbing and HVAC in San Marcos
Breakdowns rarely wait for business hours. That’s why our team offers emergency plumbing and HVAC services across San Marcos. Whether it’s a failed AC system during a summer heatwave or a burst pipe disrupting your home, we dispatch local techs quickly with the tools and parts to resolve the issue on the spot.
Why Homeowners in San Marcos Choose Anderson Plumbing
- Standard and affordable rates with no additional emergency fees
- Trained, background-checked technicians
- 100% Satisfaction Guarantee
- Transparent pricing with the strongest warranties in the industry
- Fast, reliable service throughout San Diego County
- CSLB #1022608 licensed and insured, EPA Certified and Nexstar Network affiliated
- Financing opportunities
Give us a call today or schedule online.
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Plumbing Challenges Unique to San Marcos Homes
Every region in North County faces different plumbing and HVAC issues. In San Marcos, we commonly see:- Hard water buildup in fixtures and water heaters
- Salt air corrosion near the coast
- Septic-related plumbing issues in rural properties
- Sewer aging in older neighborhoods
- HVAC zoning complications in new construction
- Winter frost affecting inland and hillside homes
Seasonal San Marcos Plumbing Recommendations
The climate in San Marcos changes how your home systems function throughout the year. We recommend:- Spring: Pre-season HVAC checks and duct inspections
- Summer: Salt air AC maintenance and plumbing pressure testing
- Fall: Water heater inspections and sediment flushing
- Winter: Furnace tune-ups and cold-weather system checks in higher elevations
Serving All Neighborhoods in San Marcos
Whether you're near Palomar College, Legoland, or along SR-78, we’re nearby and ready to help. We serve homeowners across North County Inland and Coastal areas, including:- San Marcos
- Vista
- Escondido
- Fallbrook
- Poway
- Rancho Bernardo
- 4S Ranch
- Rancho Peñasquitos
- Mira Mesa
- Del Mar
- Carlsbad
- Encinitas
- Solana Beach
- Oceanside
- Cardiff-by-the-Sea
- Fairbanks Ranch
- Ramona
- Valley Center
- Black Mountain Ranch
- Del Sur
- Scripps Ranch
- San Pasqual
- Santa Luz
- Torrey Pines
- Bressi Ranch
- San Elijo Hills
Schedule Plumbing Service in San Marcos Today
If you're looking for a reliable plumber in San Marcos or need expert HVAC repair, Anderson Plumbing, Heating & Air is your go-to North County team. Our technicians know the terrain, the weather, and the systems inside local homes. Call today or schedule your appointment online to avoid delays during peak season. We’ll take care of the rest.Anderson Maintenance Plan Membership


Frequently Asked Questions
Yes. Some rural or hillside properties still rely on septic systems. We work with permitted septic professionals and ensure your plumbing is compatible and up to code.
Absolutely. Salt air causes corrosion over time. We recommend regular inspections and protective treatments for homes near the ocean.
Yes. Hard water causes scale buildup in water heaters, pipes, and fixtures. We offer treatment systems and preventative maintenance to reduce damage.
Many homes in central San Marcos and Vista have aging sewer lines or root-intruded pipes. We use video inspection and trenchless options to repair them efficiently.
