Harris Value

822 Thornwick Dr, Houston, TX 77079

2,785 sqft, built 1968, in Memorial Appraised at $558,388 for 2026.

Harris County account 0992600000044

Appraised value
$558,388
Tax year 2026 · after any cap, before exemptions
Market value
$589,097
Living area
2,785 sqft
$200 per sqft
Year built
1968
Good quality
Homestead
Yes
Owner-occupied exemption on file

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 77079, Memorial, and Memorial assessment pages.

Protest deadline

The 2026 protest deadline was . The 2027 protest deadline is . 2027 notices usually arrive in April.

Deadline rule: May 15, or 30 days after your notice of appraised value is delivered, whichever is later. A deadline on a weekend or holiday moves to the next business day. Evidence is reviewed by the Appraisal Review Board (ARB). Dates checked against the official source.

Assessment snapshot

These public HCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 10.0% from $507,626 in 2025 to $558,388 in 2026.
  • Appraised value per square footThe current public record shows about $200 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $30,709 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Memorial neighborhood and ZIP 77079.
  • Neighborhood value signalAmong 113 residential records in the same neighborhood, the average appraised value is about $236 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +8.6% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 807 Greenbelt Dr, Houston, TX 77079
    2,745 sqft | $222/sqft | built 1968 | Similar size (2,745 vs 2,785 sqft); Built same year (1968); Similar lot size (8,165 vs 8,280 sqft)
    $609,341
  • 823 Greenbelt Dr, Houston, TX 77079
    2,835 sqft | $207/sqft | built 1968 | Similar size (2,835 vs 2,785 sqft); Built same year (1968); Similar lot size (8,165 vs 8,280 sqft)
    $586,160
  • 834 Greenpark Dr, Houston, TX 77079
    2,790 sqft | $220/sqft | built 1968 | Similar size (2,790 vs 2,785 sqft); Built same year (1968); Similar lot size (8,637 vs 8,280 sqft)
    $612,531
  • 803 Greenbelt Dr, Houston, TX 77079
    2,829 sqft | $210/sqft | built 1968 | Similar size (2,829 vs 2,785 sqft); Built same year (1968); Similar lot size (8,510 vs 8,280 sqft)
    $594,201
  • 806 Greenpark Dr, Houston, TX 77079
    2,731 sqft | $249/sqft | built 1969 | Similar size (2,731 vs 2,785 sqft); Similar age (1969 vs 1968); Similar lot size (8,171 vs 8,280 sqft)
    $680,839

Recent comparable sales

Sales selected by similarity to the subject property. Texas is a non-disclosure state, so these MLS-listed sales are supplemental evidence.

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.