The Property Assessment Lookup Service (2010) allows you to search for property data, including assessment values, by entering part of an address or tax key in a search box. It can be accessed by the link above or from the side menu, under E-Services > Property Assessments.
Information provided includes the size of the parcel, school district, year built if known, and the square footage. The most recently available data is provided and updated when new assessment data is completed.
More information is also available at:
Frequently Asked Questions (FAQs)