Built from public records. No company paid to be listed. Every check names its source and the date it was read.

Acorn Onsite, Inc. in Arnold, CA

3.7 from 5 Google reviewsOpen 24 hours, seven days a week2 services found on their website
4036 Old Hwy 4 #4086, Arnold, CA 95223(800) 832-7711acornonsite.com/ opens in a new tab
Stock photo of a septic system installation
Stock photo

About Acorn Onsite, Inc.

From the website of Acorn Onsite, Inc., read 15 Sept 2026. It describes what the company says it offers, not independent verification.

Acorn Onsite pumps septic tanks and works on new septic system installations. The company says installation work can include soil profiles, percolation testing, county permits, conventional or alternative systems, pretreatment, consulting, problem diagnosis and wet-weather testing.

Septic Services in Arnold

Quoted from the website of Acorn Onsite, Inc., read 15 Sept 2026.

  • Septic System Installation

    OWTS Engineering Septic System Installation Septic System Installation Soil profiles, percolation testing, county permits, conventional systems, alternative systems, pretreatment, consulting, problem diagnosis, wet weather testing, and more.

    source opens in a new tab
  • Septic Tank Pumping

    Septic Tank Pumping: The usage and sizing of the septic tank will dictate the pumping interval.

    source opens in a new tab

Septic Service Categories

These are how Google lists the business, not proof of a service offered.

Septic system service

Hours

Open 24 hours, seven days a week

Google Reviews

3.7 5 Google reviews
Read all reviews on Google opens in a new tab
  1. Desiree Y.

    November 2018

    Called company for service for our cabin in Dorrington. They requested an email with photos but then never got back to me or returned my subsequent calls.

  2. Latoya H.

    September 2017

    Great septic service for my cabin in Dorrington. I used these guys to maintain my engineered septic system and they did a great job at a reasonable price. From the initial call I knew they could handle it. They asked a bunch of questions to make sure that I was explaining what was going on. This made it once they got to my cabin they knew exactly what to do in a quick visit. Will definitely be using these guys again for all my septic needs. Thanks Acorn!!!

Map and Directions

Acorn Onsite, Inc.4036 Old Hwy 4 #4086, Arnold, CA 95223

Other Septic Companies in Calaveras County

Local Ground

Around Arnold, the main drain-field limit is slow water movement: water leaves the soil too slowly for a conventional field to keep up. Site conditions on any one lot can differ from the map. See the Arnold city page for the full soil profile.

Frequently Asked Questions

What services does Acorn Onsite, Inc. offer?

Published on their website: Septic System Installation, Septic Tank Pumping.

How is Acorn Onsite, Inc. rated?

3.7 stars from 5 Google reviews.

Sources and Dates

  • Company website · 11 Sept 2026
  • Google Business Profile · 30 Aug 2026
  • Google Maps · 30 Aug 2026

Before You Call

For a new septic system, the choice here includes conventional and alternative systems. A useful phone question is which parts of the installation process Acorn Onsite would handle for the property.