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Colorado Compliance and Regulatory Resources

Paychex aims to simplify Colorado compliance with resources like automated compliance notifications and an enhanced HR library. Uncover state requirements such as workplace retirement programs, tax rates and limits, and more.

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State Tax Rates and Limits

State Supplemental Withholding Rate*

4.40%

2026 CO Withholding Tables

State Unemployment Taxable Wage Base Limit

$30,600

State Unemployment Rate Range for Employers

0.72% to 10.85% - rates include surcharges

State Unemployment New Employer Rate

Non-Construction: 1.70%; Construction 1.70% (NAICS code 236); 4.76% (NAICS code 237), 1.70% (NAICS code 238)

State Hourly Minimum Wage

$15.16 (special rules apply; refer to state laws)

State Minimum Wage for Tipped Employees

$12.14 (special rules apply; refer to state laws)

Local Jurisdiction(s)

Boulder (City)

  • $16.82
  • $13.80 for tipped employees

Boulder (County)

  • $16.82
  • $13.80 for tipped employees

Denver

  • $19.29
  • $16.27 for tipped employees

Edgewater

  • $18.17
  • $15.15 for tipped employees

CO wage and hour information



State Tax ID Registration

Paid Family Medical Leave (PFML) Registration

Employers are required to have an active Colorado Family and Medical Leave (FAMLI) Insurance account number to file electronically with the Department of Labor and Employment (CDLE). This program is also known as the Paid Family Medical Leave (PFML).

Register a New Business

Note: One registration application will complete your registration requirements for the following tax account types:

  • Wage Withholding
  • Unemployment Insurance
  • Family Medical Leave Insurance
  1. Visit the MyBizColorado site and select Start.
  2. Complete the registrations.
  3. After completing the registrations, a temporary copy of the licenses may be available in your dashboard to download.
    • CO FAMLI Account Number Format: XXXXXXXXXX (10 Digits)
  4. Enter your new account number in your Paychex Flex® account to ensure that your Paychex account is updated and email your registration confirmation document to your Paychex Service Professional.

Finding an Existing ID

  1. Log in to MyBizColorado.
    • Under the Filings Section, select the link for the DOR Wage Withholding Tax to view your account information.
  2. On the home screen of the My FAMLI+ Employer site.
  3. Any correspondence from the Colorado Department of Labor and Employment.

Additional Resources

Withholding Registration

Employers are required to have an active Colorado Withholding Tax account number to file electronically with the Department of Revenue (DOR). Colorado DOR refers to this tax as the Wage Withholding Tax.

Paychex must be authorized as the Third-Party Administrator (TPA) on the account for filing quarterly returns, remitting payments, and making any adjustments to returns and payments on your behalf. Colorado DOR refers to this access as the Power of Attorney.

Register New Business

Note: One registration application will complete your registration requirements for the following tax account types:

  • Wage Withholding
  • Unemployment Insurance
  • Family Medical Leave Insurance (FAMLI ) also known as Paid Family Medical Leave (PFML))
  1. Visit MyBizColorado and select Start.
  2. Complete the registration.
  3. After completing the registration, a temporary copy of the licenses will be available in your dashboard to download.
    • CO Tax Account Number Format: XXXXXXXX (8 Digits)
  4. See Designating Paychex as Your Third-Party Administrator (TPA) for instructions on assigning Paychex as the TPA for your account to submit quarterly returns and payments on your behalf.
  5. Enter your new account number in your Paychex Flex® account to ensure that your Paychex account is updated and email your registration confirmation document to your Paychex Service Professional.

Designating Paychex as Your Third-Party Administrator (TPA)

  1. Complete the Power of Attorney (POA) form.
  2. Email your registration confirmation document and POA form to your Paychex Service Professional.

Finding an Existing ID

If you have an ID, but don’t remember it, you have two options to find your ID:

  1. Log in to the MyBizColorado site.
    • Under the Filings section, select the link for the DOR Wage Withholding Tax to view your account information.
  2. Log in to the MyBizColorado site.
    • Under the Withholding Tax section, locate the Account tile on the right side of the screen to find your tax account number.

Additional Resources

State Unemployment Insurance (SUI) Registration

Employers are required to have an active Colorado Unemployment Insurance account number to file electronically with the Department of Labor and Employment (CDLE).

Paychex must be authorized as the Third-Party Administrator (TPA) on the account for filing quarterly returns, remitting payments, as well as making any adjustments to returns and payments on your behalf. CDLE refers to this access as the Power of Attorney.

Register a New Business

Note: One registration application will complete your registration requirements for the following tax account types:

  • Wage Withholding
  • Unemployment Insurance
  • Family Medical Leave Insurance (FAMI also known as the Paid Family Medical Leave (PFML))
  1. Visit the MyBizColorado site and select Start.
  2. Complete the registrations.
  3. After completing the registrations, a temporary copy of the licenses may be available in your dashboard to download.
    • CO UI Tax Account Number Format: 0XXXXXXX (8 Digits)
  4. Visit the MyUI Employer+ Create an Employer User Account and enter the required information.
  5. An email containing a verification link will be sent. Select the link to complete the account set-up process.
  6. On the Welcome to MyUI screen, select the Existing Employer Account Activation option and follow the remaining steps.
  7. See the Designating Paychex as Your Third-Party Administrator (TPA) section for instructions for assigning Paychex as the TPA for your account to submit quarterly returns and payments on your behalf.
  8. Enter your new account number in your Paychex Flex® account to ensure that your Paychex account is updated and email your registration confirmation document to your Paychex Service Professional.

Designating Paychex as Your Third-Party Administrator (TPA)

  1. Go to MyUI Employer+ and log in.
  2. From the Home screen, select the Account Maintenance dropdown tab in the left menu, then select the Third-Party Administrator (TPA) authorization link.
  3. Select the New button.
  4. Enter the TPA ID number: 500003249 and select Next.
  5. Enter the TPA Service Begin Date
    • First calendar day of the quarter (January, April, July, or October)
  6. In the Un-Assigned Roles section of the screen select the following boxes in the Add column:
    • Edit Tax Payments Update and Submit
    • Edit Employment and Wage Detail
  7. Select Save to assign the TPA selected roles.

Finding an Existing ID

You can find your existing ID using any of these options:

  1. On the MyBizColorado site.
    • Under the Filings Section, select the link for the DOR Wage Withholding Tax.
  2. On the Home Screen of the MyUI Employer+ site.
  3. Any correspondence from the Colorado Department of Labor and Employment.

Additional Resources


Pay Transparency

In effect since Jan. 1, 2021, employers within the state with at least one employee, regardless of their physical location, must comply with the Colorado pay transparency law.

  • Must disclose compensation or ranges of compensation (hourly or salary) for all positions in Colorado and those that can be performed remotely from within the state. Additional information also must be disclosed.
  • Pay ranges (either rate or range of compensation), a description of bonuses, commissions, and benefits (e.g., health care, retirement, PTO) must be included in any job postings.

There is an exception. Promotion posting requirements do not apply to employees outside Colorado nor do compensation posting requirements for jobs performed entirely outside Colorado and for postings entirely outside Colorado.

  • Records (job descriptions, wage history) must be kept for each employee for the duration of employment plus two years.

For more information


State-Facilitated Retirement Programs

Secure Savings

Visit our retirement hub to learn more.


Workplace Safety

OSHA

Colorado is a federal OSHA state jurisdiction which covers most private-sector workers within the state. State and local government workers are not covered by federal OSHA.


Workers' Compensation

Coverage is mandatory for employers with any employees.


Compliance Insights