Douglas County, KansasProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Tax bill mailing
- Late January 2026, according to the Douglas County Treasurer's property-tax page.
- Payment deadline
- Full payment is due April 30, 2026; half payments are due the last day of February 2026 and June 15, 2026. Weekend deadlines move to the next business day.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
April 15, 2026, for 2025 Kansas Homestead, SAFESR, or K-40SVR property-tax relief claims.
Senior relief
Kansas SAFESR (K-40PT) may refund 75% of timely paid principal-residence property tax for qualifying homeowners age 65+ with 2025 household income of $25,380 or less and a home valued at no more than $350,000; Kansas also offers K-40SVR relief for qualifying seniors and disabled veterans.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.