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Your Trusted Modesto Plumbing Experts
Mainline Plumbing has served the Central Valley for over 28 years as a trusted, family-owned plumbing company. Our team of certified technicians delivers comprehensive residential and commercial plumbing solutions, combining advanced technology with time-tested expertise to resolve issues efficiently. With a focus on transparency, reliability, and customer satisfaction, we prioritize clear communication and upfront pricing for every project.

Our commitment to quality is reflected in our 24/7 emergency services, adherence to California Plumbing Code standards, and ongoing training to maintain industry compliance. Serving Modesto, San Joaquin County, and Stanislaus County, we pride ourselves on building long-term relationships through honest service and exceptional craftsmanship.
Services
Drain Cleaning Emergency Plumbing Water Heater Installation Leak Detection Sewer Line Repair Fixture Repair Gas Line Services Hydrojetting Plumbing Maintenance Toilet Installation
Highlights and features
  • We offer 24/7 emergency plumbing services for urgent repairs.
  • Our team has over 28 years of combined plumbing experience.
  • Transparent pricing with no hidden fees or surprise charges.
  • Certified technicians trained in California Plumbing Code compliance.
  • Family-owned business prioritizing personalized service and community trust.
What people say
Prompt emergency response Professional, courteous technicians Transparent pricing Knowledgeable staff Excellent workmanship
Services
Emergency Plumbing
Our emergency plumbing service addresses urgent issues like burst pipes, severe leaks, and water heater failures at any hour. Technicians respond promptly to minimize property damage and restore functionality. Backed by 28 years of experience, we ensure safe, code-compliant solutions for residential and commercial properties in Modesto and surrounding areas.
Water Heater Installation
We specialize in installing traditional tank and tankless water heaters tailored to your household or business needs. Our certified technicians ensure proper sizing, efficient operation, and compliance with local plumbing codes. With same-day service options, we minimize downtime while maximizing energy efficiency and long-term reliability for Central Valley clients.
Drain Cleaning
Using advanced hydrojetting and camera inspection tools, we clear stubborn drain blockages in residential and commercial plumbing systems. Our non-invasive methods identify root causes like tree root intrusion or pipe buildup. Regular maintenance services prevent future clogs, ensuring smooth drainage for Modesto properties in compliance with California safety standards.
Sewer Line Repair
We repair damaged sewer lines using trenchless technology to reduce property disruption. Camera inspections pinpoint cracks, leaks, or obstructions in underground pipes. Our solutions include pipe lining and replacement services that meet California Plumbing Code requirements, providing durable fixes for homes and businesses in Stanislaus and San Joaquin Counties.
Leak Detection
Our leak detection service uses thermal imaging and acoustic tools to locate hidden water leaks in walls, floors, or underground pipes. Early identification prevents structural damage and mold growth. Technicians provide precise repairs for residential and commercial clients, ensuring water conservation and compliance with local regulations in the Central Valley region.
Questions
What should I do during a plumbing emergency?
Shut off the main water valve, contain leaks with towels, and call Mainline Plumbing immediately. Avoid electrical appliances near water and wait for professional assistance.
Do you offer 24/7 emergency services?
Yes, our team provides 24/7 emergency plumbing repairs for urgent issues like burst pipes, severe leaks, and water heater failures in Modesto and surrounding areas.
How often should I schedule plumbing maintenance?
We recommend annual inspections to identify potential issues early. Regular maintenance extends system lifespan and prevents costly repairs for Modesto homeowners and businesses.
What areas do you serve?
We serve Modesto, San Joaquin County, Stanislaus County, and the Central Valley region for residential and commercial plumbing needs.
Are your technicians certified?
Yes, all our plumbers are licensed, background-checked, and trained in California Plumbing Code compliance for safe, reliable service.
Can I install my own water heater?
We recommend professional installation for safety and code compliance. However, we can install customer-supplied units with proper specifications and requirements.