County Offices, Courts and the Landfill will be closed on Monday, September 7 in observance of the Labor Day Holiday. 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.