Plan for Aurora, CO

Starting a Business in Aurora: Licenses, Registrations & Checklist

A step-by-step plan to open a business in Aurora: what to file first, what depends on what, and which permits come before opening day. Change the business details to fit yours.

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Dates

Permits and registrations specific to Aurora, CO

Sales tax permitColorado sales tax license
City of AuroraHas its own business licenses, taxes or permits (listed below).
Arapahoe CountyHas its own business licenses, taxes or permits (listed below).
Local licenses and permits to obtain
  • Local sales tax licenses / business license — Aurora, Arapahoe County, Colorado · City or county: Aurora / Arapahoe County (city)
  • Obtain certificate of occupancy for premises in Aurora · Aurora (Arapahoe County) building department (city)
  • Hold an Aurora business license · City of Aurora Tax and Licensing Division (city)
  • File Arapahoe County business personal property return · Arapahoe County Assessor (county)
Register with these Colorado agencies

Startup sequence and prerequisites in Aurora

Based on your selections, this plan has 12 steps. What you file first decides what you can do next: later registrations and licenses wait on the ones below.

Do these first

  1. Maintain a registered agent in Colorado
  2. File formation documents with the Colorado Secretary of State
  3. Obtain an Employer Identification Number (EIN)

Then, once those are done

  • Register for and file Colorado entity-level taxes — after: Obtain an Employer Identification Number (EIN)
  • Notify residents and regulators of a data breach within 30 days (Colorado) — after: Obtain an Employer Identification Number (EIN)
  • Local sales tax licenses / business license — Aurora, Arapahoe County, Colorado — after: Obtain an Employer Identification Number (EIN)
  • Obtain certificate of occupancy for premises in Aurora — after: Obtain an Employer Identification Number (EIN)
  • Hold an Aurora business license — after: Obtain an Employer Identification Number (EIN)
Start planObligations (11)
Government fees

Known charges: $25.00 per year.

Total incomplete: some fees unknown

11 of 12 steps have no fee amount in our data. The figures above count only the 1 step with a recorded fee. Check each agency's fee schedule.

File formationOct 25, 2026in 7 days
Ready to operateJan 1, 2027in 75 days
Opening dateNot setAdd a target opening date to check the plan fits
Progress0 / 12Saved in this browser

Things the formation documents depend on: a registered agent and any professional approvals.

Suggested planning date: Oct 25, 2026
Ongoing
not individually checked

File the formation documents with the state.

Suggested planning date: Nov 8, 2026
One-time
not individually checked
After: Maintain a registered agent in Colorado

Obtain the EIN (and apply for tax-exempt status, for nonprofits). Most registrations need it.

Suggested planning date: Nov 11, 2026
One-time
not individually checked
After: File formation documents with the Colorado Secretary of State

State tax accounts, trade name, foreign qualification and publication requirements.

Suggested planning date: Nov 25, 2026
Annual
not individually checked
After: Obtain an Employer Identification Number (EIN)
Suggested planning date: Nov 25, 2026
Per event
checked Oct 16, 2026
After: Obtain an Employer Identification Number (EIN)

Licenses and permits you need before you operate: state, industry, local and professional.

Suggested planning date: Dec 25, 2026
Annual
not individually checked
After: Obtain an Employer Identification Number (EIN)
Suggested planning date: Dec 25, 2026
One-time
not individually checked
After: Obtain an Employer Identification Number (EIN)
Statutory deadline: Dec 25, 2026 · in 68 days
Every 2 years
checked Oct 13, 2026
Applies because: Business is located in Aurora, CO. Schedule: Two years from issuance.After: Obtain an Employer Identification Number (EIN)

Recurring filings and payments, in the order they fall due.

Statutory deadline: Nov 1, 2026 · in 14 days
Annual
checked Oct 16, 2026
Applies because: Business operates in CO. Schedule: November 1.
Statutory deadline: Apr 15, 2027 · in 179 days
Annual
not individually checked
Applies because: Federal tax treatment is sole_prop. Schedule: April 15.
Statutory deadline: Apr 15, 2027 · in 179 days
Annual
checked Oct 16, 2026
Applies because: Business is located in Arapahoe County, CO. Schedule: April 15.
fee $25
Annual
checked Oct 13, 2026
Suggested planning dates are allowances, not agency processing times. Statutory deadlines come from the rules and are labeled as such.

Common questions about Aurora

The state licenses your industry through its own regulator, and the city and county add local permits. These are the authorities and local items on record for Aurora:

  • Real estate licensing: Colorado Division of Real Estate
  • Alcohol licensing: Colorado Liquor Enforcement Division
  • Child care licensing: Colorado Department of Early Childhood
  • Health facility licensing: Colorado Department of Public Health and Environment
  • Local sales tax licenses / business license — Aurora, Arapahoe County, Colorado (City or county: Aurora / Arapahoe County, city)
  • Obtain certificate of occupancy for premises in Aurora (Aurora (Arapahoe County) building department, city)
  • Hold an Aurora business license (City of Aurora Tax and Licensing Division, city)
  • File Arapahoe County business personal property return (Arapahoe County Assessor, county)

With your current selections, the licenses and permits are: Local sales tax licenses / business license — Aurora, Arapahoe County, Colorado; Obtain certificate of occupancy for premises in Aurora; Hold an Aurora business license. Change the industry above to see yours.

Sources: sos.state.co.us, tax.colorado.gov, cdle.colorado.gov

Formation comes first; tax, license and employer registrations wait on it. In your plan the first steps are:

  1. Maintain a registered agent in Colorado
  2. File formation documents with the Colorado Secretary of State
  3. Obtain an Employer Identification Number (EIN)

Sources: sos.state.co.us, tax.colorado.gov

Known government fees for your plan: $0.00 one-time and $25.00 per year.

Steps without a recorded fee are not counted, so check each agency's fee schedule before you budget.

Sources: sos.state.co.us, tax.colorado.gov

In your plan for Aurora, requirements come from four levels. Colorado sets formation, state taxes and employer rules; the city and county add local licenses and taxes.

  • Federal (2): Obtain an Employer Identification Number (EIN); File federal income tax return: Form 1040 with Schedule C
  • State (5): Maintain a registered agent in Colorado; File Periodic Report (Colorado); Register for and file Colorado entity-level taxes; File the annual unclaimed property holder report (Colorado)…
  • County (1): File Arapahoe County business personal property return
  • City (3): Local sales tax licenses / business license — Aurora, Arapahoe County, Colorado; Obtain certificate of occupancy for premises in Aurora; Hold an Aurora business license

Sources: sos.state.co.us, tax.colorado.gov

  • Register for unemployment insurance with Colorado Department of Labor and Employment.
  • Workers' compensation: Colorado Division of Workers' Compensation. Required when: 1 employee
  • Colorado FAMLI premiums: applies from 1 employee.
  • Register to withhold Colorado income tax from wages.

Sources: cdle.colorado.gov, cdle.colorado.gov, tax.colorado.gov

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