What Is My Tax Map Number?

A tax map number, also known as a parcel number or property ID number, is a unique identifier assigned to a specific piece of land by the local government for taxation purposes. This number is used to track and assess property taxes, as well as to identify and manage property ownership records. Each property within a jurisdiction is assigned a tax map number, which helps in the accurate assessment and collection of property taxes.

Tax map numbers are typically assigned by the local tax assessor’s office or the county clerk’s office. These numbers are based on the subdivision of land within a particular jurisdiction and may vary in format and length depending on the locality. The tax map number is often mentioned on property tax bills, assessment notices, and other official documents related to property ownership.


1. How can I find my tax map number?
You can find your tax map number on your property tax bill, assessment notice, or other related documents. Alternatively, you can contact your local tax assessor’s office or visit their website to obtain this information.

2. Is my tax map number the same as my property address?
No, your tax map number is different from your property address. While your property address is used for postal purposes, your tax map number is a unique identifier used primarily for taxation and property ownership records.

3. Can I change my tax map number?
Tax map numbers are assigned by the local government and cannot be changed by property owners. These numbers are used to maintain accurate property records and ensure consistency in tax assessment and collection.

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4. What if my tax map number is incorrect on my property tax bill?
If you believe there is an error in your tax map number on your property tax bill, you should contact your local tax assessor’s office immediately. They will be able to investigate the issue and make any necessary corrections.

5. Can I search for properties using a tax map number?
Yes, in many jurisdictions, you can search for properties using their tax map numbers. Local tax assessor’s offices or county clerk’s offices often provide online databases or public access terminals where you can search for properties using their tax map numbers.

6. Are tax map numbers public information?
Yes, tax map numbers are generally considered public information. However, the specific policies regarding the accessibility of tax map numbers may vary depending on the jurisdiction. It is best to check with your local tax assessor’s office for more information.

7. Can two properties have the same tax map number?
No, tax map numbers are unique to each property within a jurisdiction. These numbers are assigned based on the division of land and ensure that each property can be accurately assessed and taxed.

8. Do I need my tax map number when selling or buying a property?
While it is not essential to have your tax map number when selling or buying a property, it can be helpful for conducting research on the property’s tax history and assessment. Your real estate agent or attorney can assist you in obtaining this information during the transaction process.

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