Plain answers about septic systems in Colorado
What drives the cost, what your county asks for, and how to tell a repair from a replacement.
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What does a septic system cost in Colorado?
What sets the price of a septic system in Colorado: soil, system type, home size and access, plus the permit, soil test and design fees.
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Colorado septic rules changed in 2026. Here is what is different.
Colorado updated its statewide septic regulation and counties followed with new local rules. Here is what that means if you build, replace or sell.
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Selling a home with a septic system in Colorado
Many Colorado counties require a septic inspection before a home sale closes. Here is how that works and what to do if the system fails.
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Seven signs your leach field is failing
Wet ground, sewage smells, slow drains and backups can all point to a failing leach field. Here are seven signs and what each one means.
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Repair or replace? How to tell if your leach field is done
Some leach field problems can be repaired and some mean a new field. Here is how to tell which one you have before you spend money.
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Building on land in Colorado? Start the septic sooner than you think.
Building on land in Colorado? The soil test, design and county permit come before any digging. Here is the order and where delays happen.
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Can you install a septic system in winter in Colorado?
Yes, often. Frost depth, snow, elevation and county inspection schedules decide whether a winter septic install in Colorado makes sense.
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How long does a septic system last?
A septic system can last for decades with care. Here is what wears out first, what shortens its life, and how to make yours last longer.
Most installs start around $15,000. The final price comes after a site visit, because soil, system type, home size and access set it. The county permit, soil test and design are extra and quoted separately, so your total may vary.
Book your site visit
We price every septic job in person, so the first step is a visit to your property. Send the address and we will call or text to set a time.
What happens next
- Send the addressUse the form, call or text. Have a written quote? Send a photo of it.
- We come outWe walk the property and look at the soil, the slope, the access and the size of the home.
- Written priceYou get the installation price in writing. If you have a written quote for the same job, ours is lower.
- InstallationA licensed septic installer does the work under your county permit and holds the contract with you.
Or call or text (720) 273-0109