Welcome to Jefferson County Real Property Tax Services assessment information page. This site will allow users to access the information commonly requested on parcels in Jefferson County outside the City of Watertown. To view parcel information for the City of Watertown please go to




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Image Mate Online is Jefferson County’s commitment to provide Our Clients with easy access to real property information. Jefferson County, with the cooperation of SDG, provides access to RPS data, tax maps, and photographic images of properties.

Tax maps and images are rendered in many different formats. To properly view the tax maps and images contained within this system you will need to have the following plugins installed:

Adobe Acrobat ReaderAdobe Acrobat Reader