Jefferson, Illinois
County Seat: Mount Vernon · Population: 37,684
Find contact information for Jefferson government offices in Illinois. The county seat is Mount Vernon. Below you'll find phone numbers, addresses, and websites for the assessor, treasurer, recorder, clerk, and other county departments.
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Frequently Asked Questions
How do I contact the Jefferson Assessor?
The Jefferson Assessor's office handles property valuations, assessments, and exemptions. Find their phone number and address in the Property Records section above.
Where do I pay property taxes in Jefferson?
Property tax payments in Jefferson are handled by the Treasurer's office. Check the listing above for contact information, mailing address, and online payment options.
How do I get a copy of a deed in Jefferson?
Property deeds, liens, and recorded documents are maintained by the Jefferson Recorder's office. You can typically request copies in person, by mail, or through their online portal if available.
Where do I get a marriage license in Jefferson?
Marriage licenses in Jefferson are issued by the County Clerk's office. Contact them for requirements, fees, and appointment availability.
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