How to File a Property Tax Appeal Online: Digital Filin...

How to File a Property Tax Appeal Online: Digital Filing in Every State

TL;DR

Many counties now accept property tax appeals online, saving you a trip to the county office. The process typically involves creating an account on the assessor's or review board's website, filling out a form, uploading evidence documents, and submitting before the deadline. File early, save confirmation receipts, and upload evidence in PDF format. If your county does not offer online filing, mail or hand-deliver your appeal with certified mail tracking.

Which States Offer Online Filing

Online property tax appeal filing has expanded significantly. Most major metro areas now offer some form of digital submission. However, the availability varies by county even within the same state.

States with widespread online filing:

Texas - Most appraisal districts offer online protest filing through their websites
Illinois - Cook County and many other counties accept online appeals
Florida - Many counties accept VAB petitions online
Georgia - Several counties offer online appeal forms
Michigan - Online Board of Review petitions in many jurisdictions
California - Some counties accept assessment appeal applications online
Ohio - Board of Revision complaints can be filed online in some counties

To check your county, search "[your county name] property tax appeal online" or visit your county assessor's website.

Step-by-Step Online Filing Process

Step 1: Find the Right Website

Look for your county assessor, tax appraiser, or board of review website. The appeal portal may be on the assessor's site, a separate board of equalization site, or a county government portal.

Step 2: Create an Account

Most systems require you to create an account with your email and property information. Have your parcel number, assessment notice, and property address ready.

Step 3: Complete the Appeal Form

Enter the required information:

Property address and parcel number
Current assessed value
Your opinion of value (the value you are requesting)
Reason for appeal (comparable sales, assessor error, condition, etc.)
Contact information

Step 4: Upload Evidence

Most portals accept PDF uploads. Convert your evidence documents to PDF before uploading. Common uploads include:

Comparable sales data
Photos of property condition
Repair estimates
Professional appraisal (if you have one)
Property record card corrections

Step 5: Submit and Save Confirmation

After submitting, save or print the confirmation page and any confirmation emails. This is your proof of timely filing.

Common Online Filing Issues

File size limits. Many portals limit upload size to 5-10 MB per file. Compress photos and split large PDFs if needed.
Accepted formats. Most accept PDF and JPEG. Some do not accept Word documents or other formats.
System crashes near deadlines. Do not wait until the last day to file. Portal traffic spikes near deadlines and systems can slow down or crash.
Session timeouts. Some portals time out after 15-20 minutes of inactivity. Have all your information ready before starting.
No confirmation received. If you do not receive a confirmation email within 24 hours, contact the assessor's office to verify receipt.

If Your County Does Not Offer Online Filing

Mail or hand-deliver your appeal. If mailing, use certified mail with return receipt requested so you have proof of timely filing. Keep copies of everything you send. Some counties also accept appeals by fax, though this is becoming less common.

Frequently Asked Questions