Sullivan Septic & Excavating Offers Septic System Inspections, Installations and Maintenance in Boulder & Longmont

Serving Boulder and Weld County, CO

Sullivan Septic & Excavating has offered residential and commercial septic installations, maintenance, and repairs to Boulder, Berthoud, Erie, Firestone, Longmont, Lyons, Mead,  Niwot, and the surrounding areas for over 30 years. We take pride in our work and vow to offer spectacular affordable service, years of knowledge and experience. We are fully licensed and insured.

Get fast, competitively-priced septic installations and repairs.

Sullivan Septic & Excavating was established in 1994 by Cindy and Kevin Sullivan. We are dedicated to helping you with all of your septic needs. We are a reliable company you can count on.

Services offered by Sullivan Septic & Excavating include: real estate septic inspections, pumping of the septic tanks, locating of septic tank lids, snaking/drain cleaning and hydro-jetting sewer lines, sewer camera scope, sewer lining, pipe bursting, septic system installation and repairs. We guarantee you will get fast service and competitive prices on all installations, repairs, and maintenance.  Our team will go the extra mile to diagnose your septic issue and take the best course of action to resolve the septic problem. Let our family become your family septic provider for life. 

Family owned and operated for over 30 years!

  • Competitive prices
  • Quick turnaround
  • Emergency services
  • Knowledgeable and experienced 
  • Fully licensed and insured
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Septic System Service FAQ

  • Q. How Do I Know if My Septic Tank Needs Pumping?

    A. You should schedule a pump out if you notice slow drains, gurgling sounds in your plumbing, or unpleasant odors around your yard. We recommend having your tank inspected every three years to measure sludge levels accurately before problems arise. Regular maintenance prevents costly backups and keeps your system running smoothly for decades. Our team provides thorough inspections to determine the exact needs of your specific system.

  • Q. What Is Included in a Professional Septic Inspection?

    A. Our comprehensive inspection covers locating your tank lids, pumping out solids, checking baffles, and examining the drain field for signs of failure. We also perform a detailed assessment of the effluent filter and look for any structural cracks or leaks. This proactive approach helps identify minor issues before they become major repairs that disrupt your home. Learn more about our services here 

  • Q. How Often Should I Have My Septic System Serviced?

    A. Most households in our area require service every three to five years depending on tank size and family usage. Factors like garbage disposal use and water consumption habits can shorten this interval significantly. We help you create a customized maintenance schedule that fits your lifestyle and prevents unexpected emergencies. Trust our local experts for reliable septic system service that residents depend on for peace of mind.

  • Q. Can You Help With Septic Issues Before Selling My Home?

    A. Yes, we specialize in real estate septic inspections that satisfy lender and buyer requirements for property transfers. Our certified team provides detailed reports on system functionality and compliance with local Boulder County regulations. Addressing potential issues early ensures a smoother transaction and avoids last-minute delays during closing. Contact us today to schedule your pre-sale inspection and keep your home sale on track.

  • Q. What Should I Do if I Suspect a Septic Emergency?

    A. Call us immediately at 303-772-4019 if you experience sewage backups or standing water in your yard. Our emergency response team arrives quickly to diagnose the problem and restore proper function to your system. Delaying action can lead to extensive property damage and higher repair costs down the road. For fast and professional septic system services in Boulder, CO, trust Sullivan Septic & Excavating to handle your urgent needs with care and expertise.