Township Taxes Winter taxes are mailed during the first week of December. They are payable by February 14, without penalty. Summer taxes are mailed the first week of July and due by September 14, without penalty. If the due date falls on a Saturday, it is extended to the first Monday following the original due date. Non-delinquent taxes may also be paid at any branch of Oxford Bank only for account holders. If paying summer and/or winter taxes after the due dates please contact the Treasurer's office at 248/628-9787 ext. 103 for a revised tax bill total. Oakland County has implemented a toll-free number to assist taxpayers with any questions regarding tax amounts due and tax payments received for Oxford Township parcels. That number is 1-888-600-3773. A local number - 248/858-0025 - is also available for this information. Please have your parcel number ready. Change of address or Financial Institution Please notify the treasurer's department 248/628-9787 ext. 103 if there has been a change of address or a change in mortgage information as soon as possible. This will help in making sure that the tax bills are sent to the proper address or mortgage company.