Parking Restrictions August 11th – August 18th for Street Resurfacing Projects – Please click on the “NEWS” Link At The Bottom Of The Page For More Information. —-  West 10th Street from 1st Avenue to 6th Avenue will be closed for NICOR utility work on August 14th through 18th.  

Contractors’ Corner

If you are a contractor doing business in the City of Rock Falls, check here for important information.

All contractors must be registered with the city in order to perform work in Rock Falls. They must also hold a $15,000 bond and required insurance.

To register, please download our registration form. This form can be completed and and signed digitally and returned to the email addresses at the bottom of the form.



Electricians must have passed the regional test in order to register with the City. If you have a similar license from out of the area the Building Department will likely accept that.


All roofers are required to supply a State of Illinois Roofing License.

The following categories require a State license:

Illinois Roofing Industry Licensing Act

Surveyors Tools

Survey Control Network

All submittals shall tie into the City of Rock Falls official Survey Control Network.

Geospatial Reverence Information:

  • Coordinate System: State Plane (IL West-1202)
  • Horizontal Datum: NAD83 (North American Datum of 1983)
  • Vertical Datum: NAVD88 (North American Vertical Datum of 1988)
  • Unit of Measure: US Survey Foot


Download our PDF with the city’s geospatial reference information.



See public GIS information by visiting the Whiteside County GIS site.