How much does septic system installation cost in Aurora, CO?

Most Aurora homeowners spend between $6,300 – $21,000 on septic system installation, with an average around $13,700. Local labor prices 5% above the national average, so Aurora quotes tend to land at the higher end of national ranges.

Why is septic system installation more or less expensive in Aurora than elsewhere?

Aurora prices just under the Denver core. Severe hail seasons drive impact-rated roofing.

Do I need a permit for septic system installation in Aurora, Colorado?

City permits apply to most exterior and structural work. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Aurora?

Get at least three written quotes from licensed, insured Colorado contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Denver market.

How much does septic system installation cost in 2026?

Most homeowners pay between $6,000 and $20,000, with a national average near $13,000. Small, simple jobs land at the low end; large or premium-material jobs run well above the high end.

What is the cost per system?

Installed pricing usually runs $6,000.00 to $20,000.00 per system, including labor and materials. Expensive metros can run 15–45% higher than that range.

What drives the price up the most?

Scope and access. Larger quantities lower your per-system price, but difficult access, demolition of existing work, structural repairs found mid-job, premium materials and rush scheduling each add 8–30%.

Permits are typically required when the work changes structure or ties into electrical, plumbing, gas or mechanical systems. Budget $75–$600 in most cities and confirm whether your contractor pulls it — unpermitted work can block a future home sale.

How long does the job take?

Most residential projects of this type finish in one to five working days once materials are on site. Custom orders, inspections and weather are the usual causes of delay.

How many quotes should I get?

Three. Bids on the same scope commonly vary 20–40%, and the middle bid with the strongest warranty and references is usually the best value — the cheapest bid often excludes prep, disposal or permits.

Home/Cost guides/Septic System Installation/Aurora, CO

Denver · Colorado

Septic System Installation cost in Aurora, CO

Aurora homeowners typically pay $6,300 – $21,000 for septic system installation. Local labor and materials price 5% above the national average.

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Aurora average

$13,700

Typical low

$6,300

Typical high

$21,000

Per system

$6,300 – $21,000

Sample ZIP

80010

What drives Aurora pricing

Local labor

Aurora prices just under the Denver core.

Permits & code

City permits apply to most exterior and structural work.

Climate & conditions

Severe hail seasons drive impact-rated roofing.

Instant cost calculator

Adjust the inputs to see live pricing

Number of bedrooms served3 systems

Quality / material level

Site access

Removal / prep work

Timing

Estimated project cost

$24,083 – $33,060

Most homeowners pay around $28,571

Compare quality / material level

Cost by material in Aurora

Installed Aurora pricing per system.

Option	Installed cost	Pros	Cons
Conventional gravity system	$8,450 – $11,600	—	—
Chamber system	$11,600 – $15,300	—	—
Pressure-dose / mound system	$15,300 – $19,800	—	—
Aerobic treatment unit	$19,800 – $27,300	—	—

Where the money goes in Aurora

A typical $13,700 Aurora project, broken down by line item.

Labor0.45% · $62
Materials0.38% · $52
Permits & inspections0.05% · $7
Overhead & profit0.12% · $16

Common add-ons

Extras that show up on Aurora quotes but rarely in the headline price.

Perc test and design

$525 – $2,650

Tank pumping and abandonment

$420 – $1,250

Extra drain field length

$1,600 – $6,300

Effluent filter and alarm

$160 – $630

Ways to save in Aurora

Schedule the perc test early — a failed test changes the whole design.
Combine excavation with other sitework already planned.
Collect three written bids on an identical scope — spreads of 20–40% are normal.
Book in the off-season and stay flexible on the start date to save 5–15%.
Bundle nearby work into one mobilization so you only pay setup and travel once.
Ask what the contractor would change to cut 10% without hurting durability.

Aurora FAQs

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More Aurora research

Best septic system installation companies in Aurora Septic System Installation permits in Colorado Septic System Installation near me All Colorado prices

Septic System Installation cost near Aurora

Septic System Installation cost in Denver, CO

$6,540 – $21,800

Septic System Installation cost in Lakewood, CO

$6,420 – $21,400

Septic System Installation cost in Boulder, CO

$7,080 – $23,600

Septic System Installation cost in Arvada, CO

$6,360 – $21,200

Septic System Installation cost in Westminster, CO

$6,360 – $21,200

Septic System Installation cost in Centennial, CO

$6,480 – $21,600

More Colorado cities

Colorado Springs Fort Collins Greeley Pueblo Thornton Longmont Loveland

Other project costs in Aurora

Fence Installation in Aurora

$1,575 – $4,200

Roof Replacement in Aurora

$8,925 – $35,700

Kitchen Remodel in Aurora

$18,900 – $99,750

HVAC Replacement in Aurora

$5,775 – $18,900

Deck Building in Aurora

$4,620 – $12,600

Window Replacement in Aurora

$473 – $1,575

See every Aurora cost guide