Atascaderos Onsite Plumbing & Septic

Plumbing & Septic Done Right. No Runaround.

We handle water heaters, drains, sewer lines, gas lines, water lines, septic installs, leach fields, and pumping. You get honest options and solid work.

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Clear Options

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Worksite-ready crew

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Clean Finish

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YEARS IN BUSINESS
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JOBS COMPLETED
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LICENSED & INSURED

About US

We're Your First-Choice Septic & Plumbing Experts

Onsite Plumbing & Septic handles residential plumbing and septic work—water heaters, drain cleaning, sewer lines, gas lines, septic installs, leach fields, and everything in between. We've been doing this for over 15 years. We show up, tell you what's going on, and get it fixed right.

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Licensed & Insured

Full coverage on every job. Residential plumbing and septic—permitted and inspected.

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On Time, Every Time

We show up when we say we will. If something changes, you hear from us first.

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Built to Last

We use the right materials and do it to code. No shortcuts, no callbacks.

30+

years of experience

100+

jobs completed

100%

Licensed & Insured

What We Do

OUR SERVICES

A bright red gate valve connected to two black industrial pipes in an outdoor dirt trench.

VIDEO INSPECTIONS

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A gray residential water heater tank stands in a utility room, wrapped in insulated white pipes and labeled cold water.

WATER HEATERS

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A worker in a yellow safety vest feeds a drain cleaning cable into an open sewer manhole on a brick-paved surface.

DRAIN CLEANING

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A construction worker crouches in a trench next to an excavator to repair an exposed underground pipe outdoors.

SEWER LINE REPLACEMENT

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A person wearing gloves uses a wrench to tighten a yellow hose onto a wall-mounted valve in a white tiled area.
An excavator digs a long, narrow trench in a landscaped area beside a building.
A yellow excavator is parked near an excavated trench in a dirt field, revealing a concrete structure underground.
A vertical pipe sits inside a square, dirt-filled hole with standing water at the bottom.
Black pipes with insulated joints lie in an open dirt trench during utility or construction work.
A worker in blue uniform uses a large hose to pump out a septic tank buried in a grassy yard.

How We Work

Simple. Straight. Start to Finish.

CALL US

Reach out by phone or form. We answer — no phone trees, no runaround.

WE ASSESS ON-SITE

A licensed tech comes out, looks at the problem firsthand, and explains what’s going on.

GET A STRAIGHT QUOTE

You get the price before we start. No surprises, no hidden fees.

WE DO THE WORK

Our crew handles the job — equipped, experienced, and on schedule.

WALK-THROUGH & CLEANUP

We walk you through what we did, clean up the site, and make sure you’re satisfied.

Why Choose Us

The Difference Is In How We Work.

We've built our reputation on doing things the right way — showing up on time, giving honest assessments, and standing behind every job. No upselling, no runaround. Just experienced crews who treat your property like their own and get the work done to code, on budget, and without excuses.

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No-Surprise Pricing

What we quote is what you pay. Period.

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Fair & Honest

We don't push work you don't need.

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Trusted Locally

Trucks roll stocked — first visit, handled.

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Job-Ready Crews

15+ years. Built on referrals, not ads.

FAQ

Common Questions

  • What areas do you serve?

    We serve homeowners and contractors across San Luis Obispo County, including Atascadero, Paso Robles, Templeton, Santa Margarita, San Luis Obispo, Morro Bay, Cambria, Arroyo Grande, Pismo Beach, Nipomo, and surrounding communities. If you're unsure whether your property is in our range, give us a call — we'll confirm right away.

  • Do you offer free estimates?

    We provide no-obligation on-site estimates. A licensed technician comes to your property, assesses the situation firsthand, and gives you a written quote before any work begins. The price we give is the price you pay.

  • Do you handle both plumbing and septic?

    Yes. We're a full-service plumbing and septic company. That means one crew can handle everything from drain cleaning and water heater replacements to septic installations, leach field repairs, and pumping — no need to call multiple contractors.

  • How quickly can you respond to an emergency?

    We prioritize emergency calls and aim to be on-site within the hour during business hours. Our trucks are fully stocked so we can diagnose and often resolve issues in a single visit.

  • Are you licensed to work on septic systems in San Luis Obispo County?

    Absolutely. Every technician on our team is fully licensed and carries comprehensive liability insurance. You can have confidence that the work is done right and you're protected.

Get In Touch

Need It Fixed? Let's Talk.

Fill out this form or call 805-464-7332

Testimonials

What Our Clients says

Plumbing Repair • Fixture Installation

“Ok seriously these guys are the go to plumbers on the central coast… we have gone through countless plumbers trying to fix an ongoing problem with our plumbing for years now. These guys came out, gave a quote and beat everything… and fixed our problem in a few hours. I cant recommend them enough.”

Nate James

Verified Google Review

Water Heater Repair & Replacement

“Very reliable & prompt. My hot water heater went out & they replaced it the same day.”

Sandra Eatherly

Verified Google Review

Plumbing Services • Property Management

“On Site Plumbing has never let us down. We manage approximately 400 rentals, thus needing plumbing services often. Tyler has never turned us down… he always comes through for us with quality work. I highly recommend this company.”

Allison Chapman

Verified Google Review

Water Line Replacement

“Tyler responded quickly to morning call re: busted main waterline (high pressure) and was out in a few hours and had the work, plus some improvements to avoid this happening on other associated water lines. Great communication and reasonable price. Highly recommended.”

Nancy Johnson

Verified Google Review

General Plumbing Repairs

“Tyler is fabulous! I highly recommend On Site Plumbing and Services for any plumbing issues.”

Colleen Spafford

Verified Google Review

Plumbing Repairs & Service

“I have had multiple plumbing services in the North County… I called Tyler, and he answered right away… He took his time and explained everything to me in a professional yet easily understandable manner. I highly recommend Tyler Payton In Site Plumbing And Septic!”

Donna Raymond

Verified Google Review

Plumbing Service & Installation

“Tyler is the best!!!! He is always great about scheduling and definitely knows what he is doing. For any plumbing needs like service calls or new installs, Tyler is the guy! Couldn’t recommend more!”

Jessica Diercks

Verified Google Review

New Construction Plumbing

“I had a great experience with Tyler and one of his guys. They were real pros and and on time with my new build project here in Paso Robles.”

Joseph Torrente

Verified Google Review

Excavation • Site Work

“Tyler and team did a great job with the mowing and moving of materials. Fast and efficient. I like that they dedicate a fire watcher to reduce potential problems. I will definitely seek their help in the future.”

Brian Keeley

Verified Google Review

Plumbing Services

“Amazing service and always so quick to respond and get the job done! Great communication and super easy to work with. Highly recommend”

Brooke Gardner

Verified Google Review

Serving Atascadero to Pismo Beach and all of San Luis Obispo County

Atascadero, California, United States