Drain Cleaning Services in San Jose, CA
CPI Service offers licensed drain cleaning in San Jose,CA connecting you with a certified plumber trained to deliver fast, accurate, and dependable solutions. Whether you are dealing with a clogged kitchen sink, standing water in the tub, or a main line backup, our team arrives prepared with advanced tools and over 35 years of experience resolving both routine and urgent plumbing issues.
Every CPI plumber is fully equipped with high-powered drain snakes, hydro jetting systems, and inspection cameras to handle tough blockages efficiently and safely. We service all drain types, residential or commercial, and tailor each job to your system’s layout, pipe condition, and urgency. Our methods follow California plumbing codes, and every service is backed by clear pricing and a satisfaction guarantee.
Get Free Estimate
We will text you a few questions for your estimate. Enter your phone number below.
By clicking the “Get Free Estimate” button above, I agree to receive automated transactional and marketing messages. Reply STOP to opt out an any time. Our privacy policy can be found at cpiservice.com/privacy-policy
Coupon Deal
$120
Complete form to receive a $120 Coupon and other Discounts
By clicking the “Get Offer” button above, I agree to receive automated transactional and marketing messages. Reply STOP to opt out an any time. Our privacy policy can be found at cpiservice.com/privacy-policy. Some restructions apply. View coupon for details
Our Certifications & Professional Standards




Drain Cleaning San Jose Services We Offer
Bathroom Drain Cleaning
Sewer Line Cleaning
Emergency Drain Services
Storm Drain Cleaning
Floor Drain Cleaning
Tools We Use in Drain Cleaning

Drain Snakes and Augers
Our team frequently relies on drain snakes and augers to remove soft blockages caused by food particles, hair,

Hydro Jetting Machines
When heavy buildup or tree root invasion compromises pipe function, we use hydro jetting machines that release

Video Camera Inspection Tools
To identify hidden issues before recommending a cleaning method, our technicians use video camera inspection

Pipe Locators and Sonar Devices
When drains are buried under driveways, patios, or dense landscaping, we rely on pipe locators and sonar devices to

Plumbing Rooters
For sewer lines obstructed by thick tree roots, we use plumbing rooters equipped with rotating cutter heads to shred and

Enzymatic and Chemical Cleaners
When drain blockages are organic and mechanical tools are not the best fit for residential and commercial areas across

Protective Gear and Safety Equipment
Every technician at CPI Service uses protective gear and safety equipment during drain cleaning services, including

Shop Vacs and Wet/Dry Vacuums
For areas affected by water pooling, overflow, or drain failure, we deploy shop vacs and wet/dry vacuums that rapidly
Signs You Need Drain Cleaning
Water Drains Slowly in Sinks/Tubs
Slow-draining sinks or tubs in San Jose homes often indicate the formation of partial clogs inside horizontal branch lines or fixture traps. These clogs are typically caused by grease, hair, soap residue, or food solids, reducing pipe flow by up to 70%. In many cases, older copper or ABS pipes experience internal narrowing that accelerates buildup. At CPI Service, technicians use sectional augers and jet-assisted flushes to remove blockage materials and restore proper water velocity through the line.
Unpleasant Odors from Drains
Foul smells from a drain in San Jose properties are caused by decaying organic material and bacterial biofilm trapped in P-traps, vent lines, or branch connections. If unused for extended periods, dry traps also allow sewer gases to escape into the room. CPI Service plumbers inspect vent stacks, reseal trap sections, and treat pipe interiors using enzyme-based cleaners or high-pressure water to eliminate buildup, sanitize the line, and restore a neutral air barrier.
Frequent Clogging in the Same Line
If the same drain clogs repeatedly in a San Jose property despite temporary fixes, there may be an internal pipe deformity, a misaligned joint, or residual debris collecting at a structural bend. Cast iron and compressed plastic lines often develop interior scale or mechanical faults that catch debris on reentry. CPI Service performs video scope inspections to locate blockage points and uses cutting blades or pressurized cleaning to permanently clear the obstruction.
Gurgling Sounds from Pipes/Toilets
Drain gurgling inside a San Jose home is a result of disrupted airflow within the plumbing system, often caused by a partially blocked vent stack or a failing branch pipe that traps air. This condition can produce negative pressure behind draining water, leading to vacuum lock and fixture slowdowns. Our plumbers at CPI Service identify these acoustic symptoms using airflow tests and visual scope tools, then clear the obstruction to reestablish proper venting and pressure equalization.
Why is CPI Service San Jose’s Trusted Name in Drain Cleaning Solutions?

Licensed and Insured Drain Cleaning Contractors
CPI Service operates with full compliance under the California State License Board (CSLB License #1101278), ensuring that all

Upfront Transparent Pricing
Our team provides detailed, written quotes before beginning any work, outlining line-by-line costs and service

Fast, Same Day Services
When San Jose residents need urgent drain help, CPI Service dispatches plumbers for same-day service using

Fully Equipped Drain Cleaning Technicians
Each CPI Service technician arrives at San Jose job sites with hydro jetters, video inspection cameras, drain snakes,

Customer Satisfaction Guarantee
CPI Service stands behind every drain cleaning job in San Jose with a customer satisfaction guarantee. If a customer

Family-Owned and Operated Local Business
As a family-owned business rooted in San Jose, CPI Service combines technical excellence with personalized service. Our
What San Jose Clients Say About Our Drain Cleaning Services

Had the plumber Daniel come to my condo today for a clogged toilet. He spent almost two hours snaking with a camera my drain and pulled out a huge clog of tree roots. He knew exactly what he was doing and did a wonderful job. I would recommend this company very much.
Ron K.

Great, reliable, and timely service at a reasonable price. I shopped around quite a bit before landing on CPI. Their rates were competitive, they responded promptly, and their plumber fixed a few issues quickly and without much fuss. I’ll definitely be calling them again the next time we have issues!
Allan Huynh

CPI Service was sent to my home by my condominium association. They agreed to a very early morning appointment and the gentleman arrived exactly on time. He went through the problem very methodically to see where the problem was. Something that no one else could figure out was taken care of in half an hour. I would very definitely recommend them.
Fern F.
Our Recent Project Gallery




Affordable Drain Cleaning Options
Coupon Deals and Other Discounts
CPI Service provides a range of cost-saving options for San Jose homeowners and businesses, including $75 flat-rate drain cleaning for standard clogs, ideal for kitchen sinks, bathtubs, or shower lines. We also offer a free service call when a repair is completed during the same visit, eliminating upfront diagnostic fees. In addition, qualifying jobs receive a free video camera inspection, allowing us to accurately assess deep clogs or pipe conditions without added cost. These discounts are updated regularly and automatically applied at the time of estimate, helping customers receive full value without extra paperwork.
Financing Options for Larger Projects
For more complex drain issues requiring hydro jetting, trenchless sewer work, or multi-line diagnostics, CPI Service provides financing plans that support both residential and commercial clients in San Jose. Our options include same-as-cash 6-month plans, low monthly installment programs, and extended financing for qualified credit profiles. Every plan is explained in clear terms, with no hidden interest spikes or misleading contract language. We help customers choose the plan that best fits their project scope and cash flow preferences.
First-Time Customer Discounts
To welcome new clients, CPI Service offers 5% off any qualifying service for first-time customers booking drain cleaning or related repairs in San Jose. This discount is applied to everything from single-drain clogs and floor drain cleaning to more involved sewer scope and line restoration work. Our goal is to make professional plumbing accessible to those seeking a new, reliable provider and encourage long-term service relationships based on value and transparency.
Meet Our Certified Technicians
CPI Service’s drain cleaning team in San Jose is made up of fully licensed, background-checked, and California code-compliant technicians trained in hydro jetting, sewer line diagnostics, and emergency response. Each plumber receives ongoing instruction on advanced tools and safety practices, ensuring every job is completed accurately and respectfully. We provide technician profiles that highlight certifications and specialties, giving San Jose customers peace of mind about who is working on their property.










Preventative Drain Maintenance for San Jose Homes

Monthly Enzyme Treatments
Monthly use of enzyme treatments in drains helps prevent organic buildup from turning into full clogs. CPI Service

Use Sink Drain Strainers
Installing sink drain strainers is a low-cost step that can prevent 80 to 90% of common clogs. CPI Service advises San

Avoid Grease Disposal in Sinks
CPI Service sees grease-related drain blockages daily in San Jose households where cooking oil and meat fats are

Flush Only Safe Items
Flushing anything beyond human waste and septic-safe toilet paper can trigger clogs deep in residential sewer laterals.

Annual Drain Camera Inspections
A yearly drain camera inspection can reveal hidden issues long before they cause symptoms like backups or slow

Your Go-To San Jose Drain Cleaning Experts
About CPI Service – San Jose’s Drain Cleaning Specialists
CPI Service is a family-owned plumbing company specializing in licensed drain cleaning for San Jose homes and businesses. Since opening our doors in 1986, we have built a strong reputation for delivering fast, transparent, and code-compliant solutions tailored to local infrastructure and drainage needs.
Our certified technicians are trained in hydro jetting, video inspections, and full-system diagnostics. Every service call is handled using fully equipped mobile units for efficient, on-site resolution. San Jose customers count on CPI Service for long-term expertise, responsive support, and proven results across all drain types.
How Our Drain Cleaning Process Works in San Jose?
Initial Call & Appointment Scheduling
San Jose residents can easily schedule licensed drain cleaning services with CPI Service by phone or through our online request form. We offer convenient same-day or next-day appointments, with confirmation provided via phone, text message, or email.
On-Site Inspection and Diagnosis
We identify the exact cause of the drain issue, such as grease buildup, root intrusion, or pipe misalignment, based on what we find during the San Jose inspection. This ensures a targeted cleaning method.
Transparent Estimate and Service Approval
We provide a detailed written estimate before any work begins. The quote outlines the full cost and scope of your San Jose drain cleaning. Work starts only after you review and approve everything. No hidden fees or unexpected charges.
Drain Clearing or Hydro Jetting
We choose the best method based on your plumbing and the severity of the blockage. Mechanical snaking is used for routine clogs, while hydro jetting is applied for tougher build-up. Older or fragile pipes are handled with extra care.
Testing and Cleanup
After the drain is cleared, we clean the work area thoroughly and run a flow test to confirm full functionality. Your San Jose home is left clean, with no mess, debris, or residue.
Follow-Up and Support
At CPI Services, our commitment doesn’t end after the repair is completed. We conduct a follow-up to ensure you’re satisfied with the work and that the issue is fully resolved. If you have any questions or need additional support, we’re always just a phone call away to assist with any future needs or concerns in Santa Clara.
Same Day Service
1-Hour Response Available
We Guarantee Our Work
Free Plumbing Safety Check
I agree to received text messages. Reply STOP to opt our anytime. Our privacy policy and be found at cpiservice.com/privacy-policy
Book Your Drain Cleaning San Jose Now
If your drains are slow, backing up, or producing unpleasant odors, it’s time to take action. CPI Service offers licensed, fast-response drain cleaning throughout San Jose, with experienced technicians, fully equipped service vehicles, and flexible scheduling options including same-day availability. Whether it is a kitchen clog, floor drain backup, or a blocked sewer line, we resolve issues quickly and correctly using professional-grade tools and safe, code-compliant methods.
Call CPI Service at (408) 549-8181 or schedule online today to book your San Jose drain cleaning service. Every appointment includes clear pricing, fast turnaround, and a satisfaction guarantee from a local team you can trust.
Frequently Asked Questions

How much does professional drain cleaning cost in San Jose?
Professional drain cleaning in San Jose typically ranges from $100 to $500, depending on factors such as clog severity, drain location, and whether advanced tools like hydro jetting or video inspection are required. CPI Service provides transparent, upfront pricing for every job, with no hidden fees, and written estimates are provided before work begins.
What is the fastest way to unclog a drain without damage?
The safest and fastest method for unclogging a drain without damaging your pipes is to use an enzymatic drain cleaner or a manual drain snake. Avoid chemical drain products, as they can corrode plumbing over time. If the blockage persists, CPI Service offers same-day drain cleaning in San Jose using professional-grade augers and inspection tools.
Is hydro jetting safe for old plumbing systems?
Yes, hydro jetting is safe for older plumbing systems if the pipes are properly inspected beforehand. CPI Service uses high-definition video inspection tools to evaluate pipe condition and determine if hydro jetting is appropriate. In San Jose homes with fragile or aging pipe materials, we adjust pressure settings or use alternative methods if needed.
What should I do if all my drains are backing up at once?
If all the drains are backing up at once, stop using water immediately and call a licensed plumber. This usually means your main sewer line is blocked and needs urgent attention. CPI Service advises San Jose homeowners to avoid flushing toilets, running sinks, or using appliances until the issue is diagnosed. Our team arrives quickly with cameras and hydro jetting equipment to clear the line and restore proper drainage.
How often should I schedule drain cleaning maintenance?
For most San Jose homes, annual drain cleaning is recommended to prevent buildup and reduce the risk of blockages. Properties with older pipes, frequent kitchen use, or nearby tree roots may benefit from semi-annual maintenance. CPI Service offers routine cleaning plans and inspections to keep your drain system functioning reliably.