Frequently Asked Questions (FAQ)

Are GIS data, contours, and imagery available for purchase?

CCGISC data can be purchased. Our Data and Services page contains information on how to purchase CCGISC data. Should you have additional questions, do not hesitate to contact us at 217.819.3555 or

Do you provide GIS contractual services to non-member agencies?

CCGISC offers GIS expertise to both public and private entities on a contractual basis. In addition, CCGISC offers customized mapping services. Current and past clients include Carle Hospital, METCAD, Piatt County, Village of Mahomet, City of Urbana, City of Champaign, Urbana-Champaign Sanitary District, Urbana School District, and the Champaign County Housing Authority.

For information regarding services offered by CCGISC call 217.819.3555. A summary of ongoing and past projects are listed on our Contractual Services page.

Is CCGISC GIS data viewable on-line?

The GIS Webmap – Public Interface provides access to Champaign County’s most current geographic information through maps that you can query, mark-up and/or print. Users can locate a property and/or access related tax and assessment information through navigation and identification tools, address searches, or parcel identification number (PIN) queries. Users can view current and historic aerial photography as well as overlay a variety of GIS layers such as school districts, census geography and municipal zoning.

When are new editions of the Tax Map Atlas released? How do I purchase the latest release?

New editions of the Tax Map Atlas are released each spring. A Tax Map Atlas Subscription can be purchased from the CCGISC Store.

The subscription includes on-line access to:
  • All interactive editions from the 32nd (RY 2008) to the most current
  • All archived editions (non-interactive) RY 1980 to RY 2007
  • Historic plat maps from 1970 and 1976

Subscriptions are valid for one year from the date of purchase.

Current Subscriber? Enter the Tax Map Website.

How often does CCGISC acquire ortho-imagery? Is the ortho-imagery available for purchase?

CCGISC acquires leaf-off ortho-imagery once every three years. This practice began in the spring of 2002. The next acquisition will occur in the spring of 2023.

For instructions on how to purchase imagery along with a list of available imagery and corresponding prices see our Data Requests page.

What is the coordinate system/projection of your data?

North American Datum of 1983, Illinois State Plane East, US Foot; Transverse Mercator

Can CCGISC print or scan large format documents? Is there a fee?

CCGISC can print and scan large format color documents. Prints are limited to 42” in one direction and scans are limited to 40” in one direction.

  • Large Format Prints - $1.50/sq ft plus staff time (billed at $45/per hour in 15 minute increments)
  • Large Format Scans - staff time (billed at $45/per hour in 15 minute increments)

How often are the CCGISC GIS data layers updated?

The majority of the GIS data is updated on a continuous cycle - updates are made as changes are received.

Should you have additional questions about the status of our data, do not hesitate to contact us at 217.819.3555 or