County Offices, Courts and the Landfill will be closed Monday, May 25 in observance of Memorial Day. Critical services at Larimer County will not be disrupted by this closure.
You can submit your W-9 form to Larimer County online using this secure form, or fax the completed W-9 to (970) 498-5942. You are not required to sign the certification (W-9 form), but you must provide your correct name and TIN. By submitting a W-9, you are certifying that the tax ID number you are providing is correct and accurate.
If you have any questions, contact Finance at (970) 498-5940 or (970) 498-5937.
Select your W-9 file to submit. Download blank W-9 file.