Piatt County GIS Web Maps

The Piatt County Geographical Information System (GIS) offers enhanced search capabilities including lookup by common post office address, PIN, and street intersection. Click here to go to the Piatt County GIS site.

GIS Interactive Map Subscription Agreement

Advanced features of the Piatt County GIS are only avaiable by subscription. The annual fee for these additional features is $40.00. To subscribe, please fill out the Interactive Map Subscription Agreement form and follow the instructions at the bottom. Following approval of your contract, you will be provided with access information.


To obtain a building permit in Piatt County, complete the entire "Application for Building Permit" and submit to the zoning office along with a site plan, building plans and construction specifications.


It is the policy of the County of Piatt and the DeWitt-Piatt Bi-County Health Department to condition the issuance of any building permits upon the Health Departments approval of the plans and provisions for proper handling of water. If your construction involves a new water source or change of current use and/or a private sewage system you must contact the Health Department for approval and submit the following form to the Zoning office.
Health Department Certification of Approval

Construction must begin within 6 months of the issue date, and the permit is valid for two years. Minimum yard regulations as set out in Article VII of the Piatt County Zoning Ordinance must be adhered to. COST: The method of calculation for building permit fees is $12 per 100 square foot of new construction. Accessory buildings up to 2,000 square feet will be charged a flat fee of $50. The fee for accessory buildings larger than 2,000 square feet will be a maximum of $225.00.


The Piatt County Zoning Ordinance was adopted July 13, 2004 and first amended September 10, 2014 and again amended December 14, 2014. The current amendments to the ordinance were effective September 12, 2018.

Zoning ordinances may be viewed here.

Piatt County Zoning Ordinance

Wind Energy Conversion Systems Appendicies

Appendix A, WECS over 500kW
Appendix B, WECS 51-500kW
Appendix C, WECS 15-50kW
WECS fee schedule

Cell Tower fee schedule

USDA Historic Aerial Photography: Information on the United States Department of Agriculture’s Farm Service Agency aerial photography program.


Piatt County Nuisance Ordinance

Piatt County Zoning Officer
Keri Nusbaum
Piatt County Courthouse, Room 105
101 W. Washington
Monticello, IL 61856
Ph 217-762-3111, FAX 217-762-7563