Slow drains, recurring clogs, and sewer backups all have root causes that chemical drain cleaners cannot fix. Our licensed plumbers diagnose the actual problem and clear it properly the first time.
From slow-running kitchen sinks to completely blocked main lines, we bring the tools to handle it in one visit.
Same-Day Service AvailableOur Standards
Drain cleaning done right goes well beyond plunging or snaking. It means understanding why the clog formed and preventing it from returning.
Our technicians carry active state licensure and undergo continuous training on modern drain clearing techniques and equipment.
Most drain cleaning appointments are fulfilled same day. We work around your schedule and show up in the confirmed window.
We quote the job before we start. Whether it is a simple snake or a full hydro-jetting session, the price is fixed from the first minute.
Our trucks carry professional hydro-jetting units capable of clearing grease buildup, tree root intrusions, and compacted blockages that snaking alone cannot resolve.
Most clogged drains are not random events. They develop over time through the gradual accumulation of specific materials that depend on where the drain is located and how it is used. Kitchen sink drains clog primarily from grease, cooking oils, and soap residue that solidify inside pipe walls as they cool. Bathroom drains clog from soap scum combined with hair, which creates a dense mat that narrows and eventually seals the pipe. Main sewer lines clog from a combination of paper products, accumulated grease, and in older properties, tree root intrusion through deteriorated joints.
Understanding the root cause determines the right clearing method. When a drain is simply slow but not completely blocked, snaking with a drum auger is often sufficient and represents the least invasive option. The cable breaks apart the clog and restores adequate flow without introducing high-pressure water into older pipes. However, snaking has real limitations: it punches a hole through a clog rather than fully removing the accumulated material from pipe walls. In many cases, the clog reforms within weeks because the underlying buildup was not addressed.
Hydro-jetting changes that outcome. A hydro-jetting unit generates water pressure ranging from 1,500 to over 4,000 PSI, delivered through a specialized nozzle that scours pipe walls as it advances through the line. The result is a pipe that is close to clean-wall condition, not merely cleared. For grease-heavy kitchen lines, commercial drains, or any situation where clogging is recurring, hydro-jetting is the appropriate and more permanent solution. Our plumbers assess pipe age and material before recommending jetting on older cast-iron lines, since the decision involves balancing clearing effectiveness against pipe integrity.
Preventative maintenance is equally important. Professionally cleaned drains on a recurring schedule -- typically once every one to two years for residential properties with moderate use -- significantly reduce the likelihood of blockages reaching emergency levels. We offer scheduled maintenance programs for homeowners who want to stay ahead of drain issues rather than react to them.
When you call Process Plumbing Services for drain cleaning in San Francisco, CA, we bring the full range of clearing options -- cable snaking, hydro-jetting, and sewer camera inspection -- allowing us to choose the method that solves your specific problem rather than applying a one-size approach to every call.
Drain Services
We handle residential and light commercial drain issues throughout San Francisco, CA with fully equipped service vehicles.
Grease, food particles, and soap accumulate aggressively in kitchen lines. We snake or jet the line based on severity, and advise on maintenance habits that reduce recurrence.
Learn MoreHair and soap scum combine to form dense clogs in tub, shower, and sink drains. We remove the blockage completely rather than pushing it further into the line.
Learn MoreWhen multiple fixtures back up simultaneously, the clog is in your main sewer line. We use a power auger or hydro-jet to clear the obstruction and restore full flow to the house.
Learn MoreHigh-pressure water scours pipe walls of grease, mineral scale, and embedded debris. Ideal for recurring clogs, commercial kitchens, and any line that cable snaking has not permanently resolved.
Learn MoreBasement, garage, and utility room floor drains collect heavy sediment and debris over time. We clear the drain and inspect the trap to ensure it is functioning correctly.
Learn MoreCommercial kitchens require regular grease trap servicing to stay compliant and prevent backup into the drainage system. We provide scheduled and on-call grease trap cleaning.
Learn MoreOur Process
Four clear steps from your initial call to a fully flowing drain.
Describe the drain situation and we schedule the appointment -- often for the same day.
A licensed plumber arrives with snake, hydro-jet, and camera equipment ready for the full range of scenarios.
The tech identifies the clog type and location, recommends the best clearing method, and provides a flat-rate quote before touching anything.
We clear the line, verify full flow, and walk you through what caused the blockage and how to prevent recurrence.
Customer Stories
"My kitchen drain had been slow for months. I tried every product at the hardware store and nothing worked. Process Plumbing Services came out, hydro-jetted the line, and it has been completely clear ever since. Wish I had called sooner."
"Three drains backing up at once was alarming. The tech ran a camera down the main line, found tree roots, and cleared them in about two hours. Professional, explained everything clearly, and the price was exactly what was quoted."
"Same-day appointment, showed up on time, completed the work quickly. The plumber was knowledgeable and gave me good advice on a maintenance schedule going forward. Excellent experience from start to finish."
Common Questions
Coverage Area
We provide professional drain cleaning services throughout San Francisco, CA, including same-day response in most service areas.
