When is the Denton County protest deadline?

May 15 or 30 days after your notice was mailed, whichever is later.

How do I file online in Denton County?

Go to appeals.dentoncad.com and enter your 4-digit eFile PIN from your appraisal notice. You can file your protest and upload evidence through the portal.

Is Denton CAD the same as Dallas CAD (DCAD)?

No. Denton Central Appraisal District (Denton CAD) and Dallas Central Appraisal District (DCAD) are separate entities covering different counties. Make sure you're filing with the correct one based on your property location.

What cities are in Denton County?

Denton County includes Denton, Lewisville, Flower Mound, Little Elm, Corinth, Highland Village, The Colony, Argyle, and parts of Frisco and Carrollton.

Guides/Texas/Denton County

Denton County, Texas

How to Appeal Property Taxes in Denton County (2026)

Appeal Deadline

May 15 (or 30 days after notice date, whichever is later)

County Assessor Appeal Forms

Overview

Denton County, one of the fastest-growing counties in Texas, has approximately 400,000 parcels spanning from the northern DFW suburbs to the college towns of Denton and Lewisville. The Denton Central Appraisal District (Denton CAD) reassesses every property annually. With booming communities like Frisco (shared with Collin County), Flower Mound, and Little Elm, many homeowners see significant year-over-year increases. Denton CAD has a robust online eFile system that makes protesting straightforward.

Step-by-Step Appeal Process

Receive your Notice of Appraised Value from Denton CAD (typically mailed in April)

Review your property details for errors

File your protest online via eFile at appeals.dentoncad.com (requires 4-digit eFile PIN from appraisal notice)

Or mail Form 50-132 to Denton CAD at PO Box 50747, Denton, TX 76206

An appraiser will contact you to schedule an informal hearing (phone, video, or in-person)

Attend informal hearing with your evidence

If unresolved, proceed to a formal ARB hearing

What Evidence Do You Need?

3-5 comparable sales within 1-2 miles, sold within the last 12 months

Photos showing property condition issues

Independent appraisal from a licensed appraiser

Evidence of unequal appraisal compared to neighbors

Repair estimates for significant issues

Common Reasons for Successful Appeals

Rapid suburban growth in northern DFW has led to aggressive valuation increases

Comparable sales in your subdivision show lower values than your assessment

New construction neighborhoods where initial assessments are set too high

Property condition issues not reflected in the assessment

Incorrect property details in Denton CAD records

Tips for Success

1Denton CAD's eFile at appeals.dentoncad.com is user-friendly — have your 4-digit eFile PIN ready

2You can request an informal hearing by phone or video — you don't have to go in person

3Focus on comparable sales in your specific community — Flower Mound, Lewisville, and Little Elm can have very different market trends

4File early for better hearing scheduling

5Denton CAD also accepts fax filings — one of the few that still does

Frequently Asked Questions

Check Your Assessment in Denton County

Enter your address to see if you're overpaying and get a professional appeal packet for $49.

Free Assessment Check

This guide is for informational purposes only and does not constitute legal advice. Deadlines and procedures may change. Always verify current information with your county assessor.