Land records · Parcel maps · October 7, 2026
What Is a Tax Roll? Assessment and Tax Lists
What is a tax roll? The official list of taxable parcels with owners, values, exemptions, and taxes. How it is prepared, certified, and searched.
What is a tax roll? A tax roll is the official list of all taxable property in a jurisdiction, showing each parcel’s identification number, owner, location, assessed value, exemptions, taxable value, and the tax owed. It is prepared each year by the assessor and tax officials and certified so that tax bills can be issued. Many places distinguish between the assessment roll, which lists values, and the tax roll, which adds tax rates and amounts. The tax roll is a public record and the source behind most online property tax lookups. This page is general land-records background, not legal advice.
What the tax roll contains
| Field | Purpose |
|---|---|
| Parcel number | Identifies each property |
| Owner name and mailing address | Who receives the bill |
| Situs address and legal description | Where the property is |
| Land and improvement values | Assessed values |
| Exemptions | Homestead, senior, veteran, and others |
| Taxable value | Value after exemptions |
| Tax district and rates | Which taxing units apply |
| Tax amount | Total tax owed |
How the roll is prepared
- Assessor values each parcel as of the assessment date.
- Exemptions are applied.
- Assessment roll is completed and notices are sent.
- Appeals are heard by a review board. See what is a board of equalization.
- Roll is certified with final values.
- Rates are applied and the tax roll is delivered to the collector.
- Bills are mailed.
Assessment roll vs tax roll
The assessment roll focuses on values. The tax roll adds rates and amounts. In some places the terms are used interchangeably.
Searching the tax roll
Most counties offer online searches by address, owner, or parcel number. These pull from the tax roll and may link to the property record card. See how to look up property taxes by address. Bulk tax roll data is often available for download or purchase.
Supplemental and corrected rolls
Errors and mid-year changes may be handled through corrected or supplemental rolls. Omitted property can be added to later rolls.
Why the roll matters
The roll determines who is billed and how much. Errors in owner names or mailing addresses can cause missed bills and penalties. Values on the roll drive appeals and comparisons. See assessed value vs market value.
Example
A researcher downloads a county’s certified tax roll file to compare assessed values in a neighborhood. Each row shows parcel number, owner, land value, building value, exemptions, and total tax, making it easy to spot an outlier that may be worth appealing.
Owner names and mailing addresses
The tax roll shows the owner as of a cutoff date, so a recent buyer may not appear until the next roll. The mailing address on the roll is where bills go. Owners who move or refinance should confirm the assessor has the right address, since non-receipt of a bill usually does not excuse late penalties.
Bottom line
A tax roll is the official yearly list of taxable parcels with owners, values, exemptions, and taxes. It is prepared by the assessor, certified after appeals, and used to issue bills. Most online tax lookups pull from it. Find county assessors and tax offices via the Platbookmapper map.
What is a tax roll FAQ
What is a tax roll?
The official list of taxable parcels with values and taxes.
Is the tax roll public?
Yes, it is generally a public record.
What is the difference between an assessment roll and a tax roll?
The assessment roll lists values; the tax roll adds rates and amounts.
How do I search the tax roll?
Use the county’s online property tax search.
When is the tax roll certified?
Annually, after appeals are resolved.