Forms

Tax Forms

The tax form and instructions are downloadable in PDF format. You must have Adobe Acrobat Reader to view these forms. If you do not have Acrobat Reader installed on your computer, click the link directly below to get the current version from Adobe's site.

Adobe Acrobat Download Available Here

2012 Business Income Tax Form (posted 12/05/2012)
2012 Individual Income Tax Form (posted 12/05/2012)
2011 Business Income Tax Form (posted 12/19/2011)
2011 City of Ontario Individual Tax Form (posted 12/28/2011)
2010 Business Income Tax Form
2010 City of Ontario Individual Form (updated 01/11/2011)
Tax Form 2009 (7 pg form - printable pdf)
Tax Form 2008 (may require Acrobat v 9 to print properly)
Tax Form 2007
Tax For 2006
Instructions
Application for Extension
Quarterly Notice of Installment Due on Estimated Tax Declared
Withholding Tax Form EQR and Instructions for Filing (1.5% Withholding Tax Effective January 1, 2010)
Employer's Annual Reconciliation
Income Tax Rules & Regulations
Contractor Income Tax Form

Zoning Forms

The zoning form and instructions are downloadable in PDF format. You must have Adobe Acrobat Reader to view these forms.

Water / Sewer Department Forms

The following forms are in .pdf format. You will have to have Adobe Acrobat to view or print these forms.

Water Credit for Non Sewer Water (pool)

This form will determine the amount of credit for swimming pool water that will not enter into the City of Ontario sanitary sewer system.