Harris Value

18927 Whistling Oaks Dr, Katy, TX 77084

4,016 sqft, built 2021, in Rolling Creek Appraised at $526,511 for 2026.

Harris County account 1412070010016

Appraised value
$526,511
Tax year 2026 · after any cap, before exemptions
Market value
$526,517
Living area
4,016 sqft
$131 per sqft
Year built
2021
Average 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 77084 and Rolling Creek 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 $478,647 in 2025 to $526,511 in 2026.
  • Appraised value per square footThe current public record shows about $131 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $6 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Rolling Creek neighborhood and ZIP 77084.
  • Neighborhood value signalAmong 1,386 residential records in the same neighborhood, the average appraised value is about $144 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.5% on average.

Comparable assessments

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

  • 18919 Whistling Oaks Dr, Katy, TX 77084
    4,024 sqft | $129/sqft | built 2021 | Similar size (4,024 vs 4,016 sqft); Built same year (2021); Similar lot size (6,600 vs 6,600 sqft)
    $518,042
  • 18935 Whistling Oaks Dr, Katy, TX 77084
    4,050 sqft | $130/sqft | built 2021 | Similar size (4,050 vs 4,016 sqft); Built same year (2021); Similar lot size (6,600 vs 6,600 sqft)
    $527,893
  • 4123 Great Bear Pl, Katy, TX 77084
    4,046 sqft | $129/sqft | built 2020 | Similar size (4,046 vs 4,016 sqft); Similar age (2020 vs 2021); Similar lot size (6,600 vs 6,600 sqft)
    $521,428
  • 4135 Great Bear Pl, Katy, TX 77084
    4,046 sqft | $130/sqft | built 2020 | Similar size (4,046 vs 4,016 sqft); Similar age (2020 vs 2021); Similar lot size (6,600 vs 6,600 sqft)
    $524,879
  • 4211 Great Bear Pl, Katy, TX 77084
    4,025 sqft | $127/sqft | built 2019 | Similar size (4,025 vs 4,016 sqft); Similar age (2019 vs 2021); Similar lot size (6,600 vs 6,600 sqft)
    $511,392

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.

  • 4222 Grand Sunnyview Ln, Houston, TX 77084
    September-18-2026 | 4,052 sqft | $148/sqft | built 2017 | Similar size (4,052 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $599,000
  • 18818 Bene Vista Dr, Houston, TX 77084
    July-28-2026 | 3,976 sqft | $117/sqft | built 2016 | Similar size (3,976 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $465,000
  • 2914 Granite Vale Rd, Houston, TX 77084
    September-11-2026 | 3,960 sqft | $98/sqft | built 2008 | Similar size (3,960 sqft); Sold after the valuation date
    $389,900
  • 4426 Pine Hollow Trce, Houston, TX 77084
    July-28-2026 | 3,752 sqft | $125/sqft | built 2012 | 7% size difference (3,752 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $469,900
  • 2927 Walnut Knoll Way, Houston, TX 77084
    September-22-2026 | 3,565 sqft | $109/sqft | built 2002 | 11% size difference (3,565 sqft); Sold after the valuation date
    $389,900

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.