Residential Drain Services in North County San Diego
When your drains need attention Alonso Plumbing Inc. provides complete residential drain services throughout North County San Diego. From routine drain cleaning and hydro jetting to camera inspections, root intrusion removal, drain line repair, and ADU plumbing — our licensed plumbers handle every drain issue from start to finish. Same-day service available throughout Carlsbad, Oceanside, Vista, San Marcos, Escondido, Encinitas, Fallbrook, and all of North County San Diego.
Licensed & Insured
Same-Day Service
Upfront Pricing
Drain Cleaning & Clearing
Slow or blocked drains don't have to ruin your day. We clear grease buildup, debris, and blockages fast — restoring full flow to your kitchen, bathroom, and laundry drains so your home runs the way it should.
Hydro Jetting
For stubborn recurring clogs that keep coming back, hydro jetting is the most effective solution. We blast through years of buildup inside your drain lines leaving them completely clean from the inside out.
Root Intrusion Removal
Tree roots are one of the most common and destructive drain problems for North County San Diego homeowners. We cut through and flush out root intrusions completely — restoring flow and protecting your pipes from further damage.
New Construction & ADU
Adding an ADU or building new construction? We handle all drain plumbing from the ground up with inspection standards in mind from the start — so you pass the first time without delays or costly corrections.
Pipe Lining
Got a cracked or corroded pipe? We restore your existing pipes from the inside out using a seamless liner — no major excavation, no replacing the whole line, just a durable fix that extends the life of your plumbing by decades.
Drain Line Repair & Replacment
When a drain line is cracked, corroded, or collapsed we repair or replace it quickly and correctly using quality ABS black piping built to last. We work efficiently to minimize disruption to your home and daily routine.
Emergency Residential Plumbing Services
Drain emergencies don't wait for business hours and neither do we. We respond 24/7 to severe backups, overflows, and urgent drain problems throughout North County San Diego — fast response, upfront pricing, job done right.
Why Us
#1 Trusted Drain Service in North County San Diego
Licensed & Experienced
With years of hands-on experience and full licensing in California, our team delivers quality workmanship you can trust on every job.
Honest & Transparent
No surprises, no hidden fees. We give you upfront quotes before any work begins so you always know exactly what you're paying for.
Fast & Reliable Service
We show up on time, work clean, and don't leave until the job is done right. Same-day service available for urgent repairs.
Frequently Asked Questions
What are the signs I have a drain problem in my home?
Common signs include slow draining sinks or tubs, gurgling sounds from drains or toilets, foul odors coming from drains, water backing up in unexpected fixtures, and wet spots or soggy areas in your yard over the sewer line. If you notice any of these signs contact a licensed plumber right away — drain problems get significantly worse and more expensive the longer they go unaddressed.
How do I know if tree roots are in my drain lines?
Common signs of tree root intrusion include slow draining throughout multiple fixtures, gurgling sounds from toilets when other drains are used, recurring clogs that keep coming back despite regular cleaning, and foul sewage odors coming from your yard. The only way to confirm root intrusion is with a drain camera inspection — we send a high definition camera through your lines to pinpoint exactly where roots have entered. Once confirmed we remove them completely using our hydro jetting services and can recommend drain line repair or lining if the roots have caused structural damage to your pipes.
What is hydro jetting and is it safe for residential pipes?
Hydro jetting uses high pressure water at up to 4,000 PSI to completely scrub the interior walls of your drain pipes clean — removing grease, scale, root intrusion, and debris that drain snaking simply can’t reach. It’s safe for most residential pipe materials including PVC, copper, and ABS when performed by a licensed plumber. Before hydro jetting we always perform a camera inspection to confirm your pipes are in good enough condition to handle the pressure. For stubborn recurring clogs hydro jetting delivers far longer lasting results than snaking alone.
What is involved in an ADU or new construction drain plumbing project?
ADU and new construction drain plumbing involves designing and installing the entire below-ground drain system from scratch — including drain lines, cleanouts, vent stacks, and connections to the main sewer line. We work with your contractor and engineer from the start to make sure everything is sized correctly, properly sloped, and installed to California building code so you pass inspection the first time without costly corrections. Contact us through our contact page to discuss your project and we’ll provide a free upfront estimate.”
How does a camera inspection work and when do I need one?
A drain camera inspection involves inserting a high definition waterproof camera into your drain lines through a cleanout or drain opening. The camera transmits a live video feed that lets us see exactly what’s inside your pipes — identifying blockages, cracks, root intrusion, pipe collapse, or buildup without any digging or guesswork. You need a camera inspection when you have recurring clogs that keep coming back, slow drains throughout the house, foul odors with no obvious source, or before buying a home to check the condition of the sewer line. The City of San Diego Public Utilities Department provides homeowner guidelines on sewer line maintenance and responsibility that are worth reviewing if you’re unsure who is responsible for your lateral line.”
When should I repair vs replace my drain lines?
Minor cracks, small root intrusions, and isolated damage can often be addressed with targeted drain line repair or pipe lining — a trenchless method that rehabilitates your existing pipes from the inside without major demolition. Full replacement is recommended when pipes are severely corroded, collapsed, or showing widespread damage across multiple sections. We always perform a camera inspection first to assess the full condition of your drain lines before recommending repair or replacement — and we’ll always give you the most cost effective honest recommendation for your specific situation.
What counts as a drain emergency and what should I do?
A drain emergency is any situation where sewage or water is actively backing up into your home, overflowing from fixtures, or flooding your space. If sewage is backing up stop using all drains and toilets immediately to prevent further backup. If water is actively flooding locate your main shut off valve and turn it off. Then call us directly at 760-626-4204 — we respond 24/7 to residential drain emergencies throughout North County San Diego. Don’t wait — sewage backup creates serious health hazards and water damage that escalates fast.
How much does residential drain cleaning cost in North County San Diego?
Cost varies depending on the type of service needed — a basic drain clearing is significantly less than hydro jetting or a full drain line replacement. We provide free upfront quotes before any work begins so you always know exactly what you’re paying before we start. No hidden fees and no surprises ever. Fill out our contact form or call us at 760-626-4204 and we’ll give you an honest assessment fast
Service Areas
Proudly Serving North County San Diego & Surrounding Areas
Carlsbad | Oceanside | Vista | San Marcos | Escondido | Encinitas | Fallbrook | Bonsall | Del Mar | Solana Beach | Rancho Santa Fe | San Diego | Temecula | Murrieta | Menifee | Rancho Cucamonga
25+
Years of Experience
Our Legacy
25+ Years of Plumbing Experience
With over 25 years of hands-on plumbing experience, the Alonso family has built a reputation for honest work, fair pricing, and showing up when it matters most. From simple repairs to complex commercial jobs — we’ve seen it all and fixed it all.
- Licensed & Insured in California
- Family Owned & Operated
- Serving North County Since 2000
Got a Plumbing Problem? We're Ready to Help.
Contact us today for fast, reliable service across North County San Diego and all surrounding areas.