Your sewer line may be out of sight, but it should never be out of mind—especially when plumbing problems start affecting your home. Common signs of a blocked sewer line include:
- Bubbling water in your toilet.
- Wastewater backing up into your shower or bathtub when you flush.
- Slow-draining sinks, tubs, or showers.
- Persistent sewer odors or gurgling sounds from your drains.
If you’re experiencing any of these issues, our team at Ongaro & Sons can help. We’ll determine whether the problem is isolated to a single drain or if it involves a deeper blockage in your main sewer line. When a sewer line is clogged, immediate action is essential to prevent messy and costly wastewater backups. In many cases, we recommend hydro jetting—a powerful, non-invasive method that clears debris and buildup to restore full flow.
Hydro Jetting Services in Northern California
Ongaro & Sons proudly serves homeowners throughout Northern California, including Marin, Sonoma, and Napa counties. Whether you’re dealing with a clogged drain, sewer line blockage, or another plumbing concern, our expert team is ready to help. Call us today for a free consultation and experience the trusted service that local families have counted on since 1932.

What Is Hydro Jetting?
Hydro jetting is similar to power washing, but in your drain and sewer pipes. The process uses 2,000 to 4,000 psi of water pressure to flush out grease, tree roots, sludge, and other matter accumulated in your sewer pipe. Our experienced Ongaro & Sons plumbers inspect your sewer line before initiating hydro jetting to determine if it is structurally sound.
If your sewer pipe is unlikely to withstand hydro jetting because of its age and structure, we are happy to discuss other sewer cleaning options, such as snaking. This alternative breaks up clogs but does not scour the pipe walls. It is safer for a weakened sewer line because it does not use high pressure. If this is the case, we are also happy to provide you with a quote for sewer line replacement.
We begin with a video pipe inspection to locate the blockage and assess the condition of your sewer line. This step helps us determine the severity of the clog and how much water pressure is appropriate for the job.
Your Comfort, Our Priority
Ongaro & Sons is your trusted heating, cooling, plumbing, electrical, and solar expert—specializing in reliable maintenance and repair services that keep your home running efficiently year-round.
Our certified technicians deliver unmatched expertise with fast, friendly service across Northern California. From HVAC tune-ups to plumbing repairs and electrical upgrades or solar solutions, we focus on energy-efficient performance and long-term comfort. Count on us to maintain the systems that power your home and keep your environment just the way you like it.
PHCC- and NATE-Certified Experts
Our technicians are licensed, experienced, and trained to service all makes and models.
Locally Owned and Operated
Serving the Napa, Marin, and Sonoma communities with personalized, hometown service.
Reliable Repairs
We respond quickly and get the job done right the first time—no surprises.
Hydro Jetting as a Maintenance Tool
Your sewer line is just one of many plumbing system components that benefit from preventative maintenance. We recommend hydro jetting every two to three years in homes. This periodic hydro jetting can help keep your sewer line in top condition by removing grease, organic material, silt, tree roots, and other debris. Maintaining this essential drainage pipe with hydro jetting will help avoid future plumbing emergencies.
Join an Ongaro Maintenance Plan to keep your plumbing system running strong throughout the year. Enjoy priority service, friendly reminders, discounts, and other perks. Sign up today and leave the maintenance to Ongaro & Sons.
Schedule Drain and Sewer Line Maintenance Today
Ask our experts at Ongaro & Sons about hydro jetting the sewer line throughout Napa, Marin, and Sonoma counties, including Cotati, Santa Rosa, and Napa, CA.
Call us today at 415-741-2820 or request services online to schedule a sewer cleaning and annual maintenance on your plumbing system.
5%
Member Discount

Ongaro Maintenance Plans
Annual maintenance on your home systems provides safeguards and comfort to you and your family. Neglecting your routine checkups can potentially put everyone at risk.
With these annual visits, our experienced technicians use the latest technology to help find unsafe problems before they can become bigger problems.
Maintenance Plan Benefits
Member benefit of 5% discount on repairs and replacements.
Proactive maintenance identifies and addresses issues before they become big problems.
Courtesy reminder calls for scheduled services and appointments.
Special Offers
Enjoy our seasonal promotions and save on your next service.
Limited-time offers—don’t miss out!
Free MacBook Air
With HVAC Upgrade*
$700 Off
Hydro Jet Sewer Cleaning*
FREE
Camera Inspection*
$69
HVAC System Diagnostic*
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Frequently Asked Questions
It depends—video inspection is done first to ensure the pipes can withstand the pressure.



