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Your Trusted Plumbing Experts in Larkspur, CA
Hardiman Construction has been serving Marin County for over 30 years as the San Francisco Bay Area's leading expert in trenchless pipe and sewer repair. Our team combines state-of-the-art technology with traditional methods to deliver efficient solutions for residential, commercial, and municipal clients. We specialize in video camera inspections, pipe bursting, cleanout installations, and sewer line repairs with minimal property disruption.

Our licensed, insured, and bonded professionals prioritize customer satisfaction through transparent communication, competitive pricing, and guaranteed first-time inspection approvals. With decades of experience handling complex projects, we provide emergency services and free consultations to ensure reliable, long-term infrastructure solutions.
Services
Video Camera Inspections Sewer Line Locating Trenchless Pipe Repair Cleanouts Installation Backflow Prevention Emergency Sewer Services Traditional Open Cut Methods
Highlights and features
  • 30+ years of specialized experience in Marin County sewer systems
  • Emergency repair services available for urgent plumbing issues
  • Trenchless technology minimizing landscaping and property damage
  • Customer testimonials praising transparent pricing and professionalism
  • Free consultations for sewer line assessments and project planning
Associations and certifications
  • Licensed, Insured & Bonded
What people say
Fantastic job Super clear and detailed Fixed before response Knowledgeable and polite crew Cost-effective solutions
Services
Video Camera Inspections
Our advanced CCTV technology identifies sewer pipe defects like cracks, root intrusion, and blockages. This non-invasive method allows precise diagnosis of issues in residential and commercial properties. The inspection data guides our repair recommendations while minimizing unnecessary excavation.
Trenchless Pipe Repair
Using pipe bursting techniques, we replace damaged sewer lines through two small access points. This method preserves landscaping while installing durable HDPE piping. The process takes hours instead of days, with immediate system functionality post-repair.
Cleanouts Installation
We install strategic cleanout points for easy sewer line maintenance. This service includes locating existing pipes and creating new access points per local code requirements. Proper cleanouts prevent future blockages and simplify inspections.
Backflow Prevention
Our backflow prevention installations protect properties from sewage backups. These devices stop contaminated water from re-entering buildings during main line clogs. We use code-compliant materials for long-term reliability and safety.
Emergency Sewer Repair
Available for urgent sewer line failures, our emergency team responds promptly to critical issues. We handle pipe bursts, severe backups, and system failures with rapid assessment and repair solutions to minimize property damage.
Questions
What areas do you service?
We primarily serve Marin County, including Larkspur, San Rafael, Mill Valley, and Novato.
Do you offer emergency services?
Yes, we provide emergency sewer repair services for urgent plumbing issues.
What trenchless technology do you use?
We use pipe bursting methods with HDPE replacement piping for minimal disruption repairs.
Are you licensed and insured?
Yes, we're fully licensed (Contractor #1065111), insured, and bonded for all projects.
How long does sewer replacement take?
Most trenchless repairs complete in 1-2 days with immediate system functionality.
Do you handle permit requirements?
Yes, we manage all necessary permits and inspections for sewer projects.