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Collin County property tax protest

Updated

Collin County homeowners file Form 50-132 with CCAD by May 15 or within 30 days of the notice. Plano, Frisco, and McKinney protests rely heavily on neighborhood comparable properties, and the CCAD portal accepts online evidence with hearing scheduling through the summer.
Deadline
May 15 or 30 days after CCAD mails your notice
Form
Form 50-132 (CCAD online filing)
Where to file
Collin Central Appraisal District (CCAD)
State guide
Texas overview

What works in Collin County

Frisco and Prosper saw the largest 2025 valuation jumps in the metro; comp-supported protests are particularly effective there.

Across Texas, the strongest single-family appeals pair three to five recent comparable assessments with documented property condition. See the evidence and comps guide for what the ARB will weigh.

How to file a Collin County property tax protest step by step

  1. 1. Read your notice. CCAD mails the Notice of Appraised Value in spring. Check the account number, square footage, year built, lot size, and bedroom or bathroom count against reality. A recording error alone is grounds for a reduction. See common appraisal district errors.
  2. 2. Pull comparable properties. Find three to five homes within roughly half a mile that match yours on size, age, and condition. In Collin County the typical spread between similar homes inside the same ZIP is wide enough to matter, which is the gap your packet is built on.
  3. 3. File Form 50-132. Submit it to CCAD by the deadline above. State a specific target value rather than leaving it blank, and select every applicable reason including unequal appraisal.
  4. 4. Take the informal review. Most Collin County reductions are settled here with a staff appraiser, before any board hearing. Bring the same one-page comp summary you would bring to the hearing.
  5. 5. Attend the Appraisal Review Board (ARB) hearing if needed. If the informal offer is below your evidence, continue to the hearing. Present the comps, the condition photos, and your target number, then stop talking.

What a reduction is worth in Collin County

A reduction lowers the taxable base your bill is calculated from, and the lower base carries into future years rather than resetting each season. Multiply the reduction by your combined local tax rate to estimate the first-year saving. Your exact saving depends on the combined school, county, and city rates printed on your own bill.

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Collin County property tax protest questions

What is the Collin County property tax protest deadline in 2026?

May 15 or 30 days after CCAD mails your notice. Filing one day late ends the protest for that tax year, so file as soon as the notice arrives rather than waiting for the deadline.

Which form do I file in Collin County?

Form 50-132 (CCAD online filing). The form asks for your account number, the value you believe is correct, and your reason for protesting. In Texas you can select more than one reason, and selecting both market value and unequal appraisal keeps both arguments open.

Where do I file my Collin County protest?

With the Collin Central Appraisal District (CCAD). Online filing through the CCAD portal is faster than mail and gives you a timestamped confirmation you can keep as proof of filing.

Do I need a lawyer or a protest company in Collin County?

No. Homeowners file their own protest in Collin County every year. Contingency firms typically keep 25 to 50 percent of the first-year savings, so self-filing with a comparable-sales packet keeps the entire reduction.

What evidence works best with CCAD?

Three to five recent sales or assessments of similar homes within about half a mile, matched on square footage, age, and condition, plus dated photos of any defects. Vague statements about high taxes carry no weight with the Appraisal Review Board (ARB).

Will protesting raise my Collin County assessment?

A protest cannot increase the value beyond what the district already proposed for that year. The realistic outcomes are a reduction or no change.

Guides for your Collin County protest

Other Texas counties

General information only, not legal advice. Confirm the deadline on your most recent notice from Collin Central Appraisal District (CCAD).

See how evenly homes in your county are assessed in our Assessment Gap Study of 5.9 million single-family homes.