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My Tax Forms

W-4 Forms

Employees are required to complete a  W-4 form so that we can calculate your federal tax withholdings.

If you have access to the city network, you can view and update your W-4 information online through the following steps: 

  1. Go to the DOT homepage and sign in with your network username and password
  2. On the "My Page" tab, select "My W-4 Tax Information"
  3. Update your tax data and submit your changes 

If you don't have access to the city network, you can drop off your updated W-4, or send it to us by mail or fax: 

201 West Colfax Ave Dept. 1109
Denver, CO 80202
Fax: 720 913-5249
You should check your payslip periodically to make sure your tax information and deductions are correct, such as: 
  • New benefit deductions 
  • Changes to your 457 Plan
  • Changes to your allowances
  • Changes to your dependents 
  • Changes to FSA medical amounts
  • Exempt status changes
If you notice any problems with your deductions, please contact us for help.

W-2 Forms

W-2s are mailed to employees on or before January 31st each year.  Check that your mailing address is current to avoid any problems receiving your W-2. If you are interested in receiving your Form W-2 up to two weeks sooner, check out  how to receive your electronic Form W-2 that you can print yourself. You must have access to DOT to sign up for electronic W-2s.

If you need to request a new W2, please complete this  Request W2 Form and submit to If you are requesting your 2014 W2, Payroll will begin processing these requests beginning February 17, 2015. 

W-5 Forms

The W-5 Advanced Earned Income Credit Form was repealed. Please speak to your tax consultant for additional information.

Tax Limits and Calculations

This is for informational purposes only as the City and County of Denver does not provide tax advice. You should consult with your tax advisor regarding your particular tax situation. 

Social Security Tax Limits for 2015

  • Maximum Wage Base: $118,500.00 
  • Rate Withheld (Employee): 6.2% 
    • Maximum Tax Withheld: $118,500.00 x 6.2% = $7,347.00 
  • Rate Withheld (Employer): 6.2% 
    • Maximum Tax Withheld: $118,500.00 x 6.2% = $7,347.00 
Medicare Tax for 2015 
  • Wage Base: There is no maximum wage base or deduction for Medicare Tax 
  • Rate: 1.45% on the first $200,000 that you earn 
  • Rate: 2.35% on any earnings over $200,000 

457 Plan and 457 Plan Catch-up Contribution Limits for 2014 
  • 457 Plan Contribution Limit: $18,000.00 
  • 457 Plan Catch-Up Contribution Limit: $24,000.00 (for employees 50 years or older) 
  • 457 Plan Catch-Up Contribution Limit if you are within three years of retirement: $36,000 
To calculate the percentage:
  • Take the maximum contribution allowed - divided by your estimated year-to-date earning, equals the per pay period 457 Plan percentage (i.e., $17,500.00/$45,000.00 = 39%
  • For help with TIAA-CREF retirement plans or investment options, contact a TIAA-CREF consultant at 855 259-4648 or visit their website.
Denver Employees Retirement Plan (DERP) 

This is a defined benefit plan, whose purpose is to provide retirement benefits to qualified members of the City and County of Denver and Denver Health and Hospital Authority.   

Please visit their website at to learn more about the Plan, Benefits and Health Insurance, to calculate Benefits, and to obtain forms, and other information.   
  • For questions, contact: 

Denver Employees Retirement Plan
777 Pearl Street
Denver, CO 80203-3717
Phone: 303 839-5419 Fax: 303 839-9525


If You Claim Exempt

If you claim “exempt” from withholding, you must submit a new W-4 form each year, no later than February 15th, if you do not, your exemptions will automatically be set to “Single” and “0”.

Calculate Different Scenarios

Curious to see how adding fewer dependents or putting more money into your flexible spending account will affect your taxes?
Visit to calculate different scenarios for your tax withholdings and other deductions.