The following list represents important calendar dates observed by the Douglas County Treasurer’s Office: 

JANUARY

• No later than the statutory date of Jan. 10, the County Assessor must certify the Tax Dollar Warrant/Tax Roll to the County Treasurer for collection of the previous year’s property taxes.  The Treasurer bills and collects property taxes one year in arrears, for more information please visit the Guide to County Taxes page.
• Mid-January, tax bills mailed to all property owners of Douglas County.  (Note: if you do not receive your property tax billing by early February, please contact the County Treasurer’s Office.)

FEBRUARY

• Last day of February - first half tax payment due date.  Payment must be received by the Treasurer’s Office, or must carry an official United States Postal Service postmark of the last day of February.   (Note: If the due date falls on a legal holiday or weekend, payments are considered timely if filed on the next business day.)  NOTE: Several local post offices send their mail to Denver to be postmarked. Please allow 2-3 extra days when mailing at the end of the month or ask your local post office to hand cancel your payment in your presence. If your real estate taxes are paid by a Mortgage Company, please visit Payment of Property Taxes by Mortgage Companies page for more information.

APRIL

• April 30 is when the full tax payment option is due.  Payment must be received by the Treasurer’s Office, or must be postmarked with an official United States Postal Service postmark of April 30.  If the due date falls on a legal holiday or weekend, payments are considered timely if filed on the next business day. NOTE: Several local post offices send their mail to Denver to be postmarked. Please allow 2-3 extra days when mailing at the end of the month or ask your local post office to hand cancel your payment in your presence.

JUNE

• June 15 is when the second half tax payment option is due.  Payment must be received by the Treasurer’s Office, or must be postmarked with an official United States Postal Service postmark of June 15.  If the due date falls on a legal holiday or weekend, payments are considered timely if filed on the next business day. NOTE: Several local post offices send their mail to Denver to be postmarked. Please allow 2-3 extra days when mailing at the end of the month or ask your local post office to hand cancel your payment in your presence.

JULY

• Delinquent tax notices are mailed.  Applicable delinquent interest and other charges shall apply to delinquent payments. 

AUGUST

• If a tax lien exists for unpaid prior year tax, and current bill year taxes remain due on the same parcel, the lien holder has the opportunity to pay the current tax, thus endorsing the amount to the certificate and increasing his/her lien on the property.  (Note: the lien holder has the right to pay current year taxes on the parcel for which the lien is held at any time during the year.)  For more information, please visit Real Estate Tax Lien page.
• Delinquent Commercial, Personal Property and Mobile Home taxes must be received in the Treasurer’s Office by close of business Aug. 31 to avoid publication in a local newspaper during September.  For more information please click on either of the following topics:    Mobile Home Information   OR   Personal Property Rebate Information 

SEPTEMBER

• Mobile Home, Commercial and Personal property taxes remaining unpaid shall be listed in a local newspaper publication normally mid-September in preparation for distraint, seizure and sale after Oct. 1.
• A listing of unpaid Real Estate property taxes is published in a local newspaper. Publication will occur at the appropriate time during September/October in preparation for the annual Tax Lien Sale normally held in early November.  This listing publishes for three consecutive weeks beginning four weeks prior to the sale.  For more information please visit Real Estate Tax Lien page.

OCTOBER

• After Oct. 1, Commercial, Personal Property for those parcels remaining unpaid is subject to distraint, seizure and sale to satisfy the tax liability and other accrued costs and penalties associated with the parcel.
• The public is invited to attend the Tax Lien Sale Seminar, usually held in October each year. No reservations are necessary. Click here to view the seminar presentation.
• A listing of unpaid Real Estate property taxes continues to publish in a local newspaper during October in preparation for the annual Tax Lien Sale. 

NOVEMBER

• Prepayments of estimated taxes that will be due in the following year are accepted.
• The annual Tax Lien sale will be held. For more information, please visit Real Estate Tax Lien page.

DECEMBER 

• Acceptance of estimated tax prepayments continues.  Per office policy, all prepayments must be received in-house by the Treasurer’s Office no later than close of business the last working day of December for acknowledgement in the current year.  United States Postal Service postmarks do not apply to the prepayment of tax.