Real ChatGPT answer · index seedTXquREyCsA8completeReal estate · home valuationlocal

Can you explain why the Zillow and Redfin estimates for our house in McKinney are so different from the county tax appraisal value, and which one actually matters for our taxes?

ChatGPTgpt-65 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
Can you explain why the Zillow and Redfin estimates for our house in McKinney are so different from the county tax appraisal value, and which one actually matters for our taxes?
5 real searches · 1 real-search pass
Collin County Appraisal District property tax market value January 1 homestead cap 10 percent Texas officialGoogle ↗
OBSERVEDShort fact
Texas Comptroller property tax appraisal protest homestead limitation 10 percent cap appraised value officialGoogle ↗
OBSERVEDReason
Collin County Appraisal District 2026 property value January 1 protest deadline homestead cap Texas property taxes taxable valueGoogle ↗
OBSERVEDShort fact
Texas Comptroller property tax appraised value assessed value homestead exemption 10 percent cap January 1 market valueGoogle ↗
OBSERVEDShort fact
Zillow Zestimate methodology Redfin Estimate methodology officialGoogle ↗
OBSERVEDReason

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (5)
Short fact60%Other / navigationalComparisonConsequenceReason40%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 5 of 5 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT5 real searches · gpt-6
Collin County Appraisal District property tax market value January 1 homestead cap 10 percent Texas official Google ↗
Texas Comptroller property tax appraisal protest homestead limitation 10 percent cap appraised value official Google ↗
Collin County Appraisal District 2026 property value January 1 protest deadline homestead cap Texas property taxes taxable value Google ↗
Texas Comptroller property tax appraised value assessed value homestead exemption 10 percent cap January 1 market value Google ↗
Zillow Zestimate methodology Redfin Estimate methodology official Google ↗
  1. Texas Constitution and Statutes · statutes.capitol.texas.gov
  2. Texas Property Tax Basics · comptroller.texas.gov
  3. Collin Central Appraisal District · collincad.org

Queries

5 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Collin County Appraisal District property tax market value January 1 homestead cap 10 percent Texas official
OBSERVED
Google ↗
AI Mode ↗
—Short fact——1x
of 1
Texas Comptroller property tax appraisal protest homestead limitation 10 percent cap appraised value official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
Collin County Appraisal District 2026 property value January 1 protest deadline homestead cap Texas property taxes taxable value
OBSERVED
Google ↗
AI Mode ↗
—Short fact——1x
of 1
Texas Comptroller property tax appraised value assessed value homestead exemption 10 percent cap January 1 market value
OBSERVED
Google ↗
AI Mode ↗
—Short fact——1x
of 1
Zillow Zestimate methodology Redfin Estimate methodology official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1