4.6 
27 *The Angi rating for Septic Tank Service companies in Ault, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.
*The HomeAdvisor rating for Septic Tank Service companies in Ault, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.
Last update on May 15, 2026
Serving Ault, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Credit card accepted
"Very professional, efficient, and easy to work with. Peak Plumbing exceeded my expectations!"
Serving Ault, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Credit card accepted
"Crow Creek did an amazing job pumping and cleaning my septic tank. They showed up on time and were very professional. They also were respectful of my property and cleaned up after the job was done. I will definitely hire them again. Thank you!!!"
Serving Ault, CO and surrounding areas
Approved
In business since 2010
Free estimates
Credit card accepted
"Fahl Bros Septic did a great job. Installed an engineered system in fractured granite. Responsive and professional."
+25
Serving Ault, CO and surrounding areas
Approved
Free estimates
Credit card accepted
Offers commercial services
Gallegos Constructors Incorporated is a trusted excavation contractor serving Northern Colorado since 2000. With over two decades of experience, we specialize in precision excavation. Our skilled team is committed to delivering safe, efficient, and high-quality work from the ground up.\n\n\n\nFrom foundational excavation to critical utility infrastructure, Gallegos Constructors Incorporated is your reliable partner for getting the job done right the first time.
+4
Serving Ault, CO and surrounding areas
Approved
In business since 2018
Free estimates
Customers say: Quick response
"Tanner and his crew were professional and thorough. They took care to minimize the impact of having a small loader in my yard, and rehung the gate to the back yard better than it was before. Well done and would recommend."
Serving Ault, CO and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"Wrangler did a great job with my grading job. I would definitely hire them again!"
Serving Ault, CO and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
Class 5 Excavating, LLC\nFounded in 2017 by CEO Jeff Harris. Class 5 Excavating, LLC has been providing quality excavation services to the Colorado communities for over 30+ years. Our team of experienced professionals are dedicated to getting the job done , the first time. We believe our customers deserve integrity, professionalism and honesty.
Serving Ault, CO and surrounding areas
In business since 2017
Free estimates
Warranties offered
"Jared found me through the HomeAdvisor network when I inquired about septic installers. The install for my property was rather involved due to its location. The excavation was challenging as well as dealing with mandatory evacuations due to forest fires. Throughout this all, Jared maintained a professional attitude and was in regular communication with me. His work rate is outstanding, and despite the setbacks, he managed to get a system very close to our agreed-upon completion date. I would highly recommend him to anyone installing a septic system. I will most likely look to him in the future for excavation work as well."
+25
Serving Ault, CO and surrounding areas
In business since 2011
Emergency services offered
Credit card accepted
"Great job. Responded to call rapidly and did an excellent job. Offered some great advice on how to improve septic efficiency."
+2
Serving Ault, CO and surrounding areas
In business since 2020
Free estimates
Emergency services offered
"Wonderful. They arrived on time and worked thoroughly to clear pipe."
+7
From average costs to expert advice, get all the answers you need to get your job done.
If it’s been there for a while, it can be hard to find the septic tank in your yard. Learn how much it costs to locate a septic tank with this guide.
A damaged septic system can leak odors and sewage, so repairs are urgent. Find out how much septic tank repair costs based on repair type, tank size, and more.
It’s crucial to install a septic tank with the right volume to avoid wastewater backups. This guide will help you calculate the right septic tank volume.
Septic tank sizes vary depending on the size of your home, how many people live there, how much water you use, and more. Read on to learn how to determine the right size for you.
If you’ve never lived in a house with a septic system before, you might be wondering: Are septic tanks bad? Here are some of the pros and cons.
Want to learn how to build a septic tank for your rural or off-grid property? First, check your local laws, then dive into these general guidelines.
