Harris Value

4306 Isoletta Ct, Katy, TX 77449

2,124 sqft, built 2020 Appraised at $332,590 for 2026.

Harris County account 1415900040002

Appraised value
$332,590
Tax year 2026 · after any cap, before exemptions
Living area
2,124 sqft
$157 per sqft
Year built
2020
Average quality

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 77449, HCAD Appraisal Area 2945.03, and Katy 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 1.0% from $329,422 in 2025 to $332,590 in 2026.
  • Appraised value per square footThe current public record shows about $157 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77449.
  • Neighborhood value signalAmong 721 residential records in the same neighborhood, the average appraised value is about $159 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.2% on average.

Comparable assessments

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

  • 4302 Fornari Ln, Katy, TX 77449
    2,106 sqft | $153/sqft | built 2021 | Similar size (2,106 vs 2,124 sqft); Similar age (2021 vs 2020); Similar lot size (7,069 vs 7,083 sqft)
    $321,856
  • 4223 Fornari Ln, Katy, TX 77449
    2,120 sqft | $158/sqft | built 2021 | Similar size (2,120 vs 2,124 sqft); Similar age (2021 vs 2020); Similar lot size (7,219 vs 7,083 sqft)
    $334,644
  • 22831 Castello Lakes Dr, Katy, TX 77449
    2,130 sqft | $158/sqft | built 2021 | Similar size (2,130 vs 2,124 sqft); Similar age (2021 vs 2020); Similar lot size (6,928 vs 7,083 sqft)
    $335,486
  • 4715 Alba Ash Ln, Katy, TX 77449
    2,108 sqft | $156/sqft | built 2020 | Similar size (2,108 vs 2,124 sqft); Built same year (2020); Similar lot size (6,880 vs 7,083 sqft)
    $328,624
  • 4406 Follina Trl, Katy, TX 77449
    2,146 sqft | $154/sqft | built 2020 | Similar size (2,146 vs 2,124 sqft); Built same year (2020); Similar lot size (7,266 vs 7,083 sqft)
    $331,320

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.

  • 4406 Follina Trl, Katy, TX 77449
    August-18-2026 | 2,146 sqft | $147/sqft | built 2020 | Similar size (2,146 sqft); Similar age (2020); Sold after the valuation date
    $315,000
  • 5143 Hedgerose Ln, Katy, TX 77449
    September-3-2026 | 2,294 sqft | $139/sqft | built 2022 | 8% size difference (2,294 sqft); Similar age (2022); Sold after the valuation date
    $320,000
  • 6903 Silver Trace Ct, Katy, TX 77449
    July-28-2026 | 2,133 sqft | $131/sqft | built 2012 | Similar size (2,133 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $279,000
  • 3822 Cactus Field Ln, Katy, TX 77449
    July-23-2026 | 2,034 sqft | $157/sqft | built 2016 | Similar size (2,034 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $320,000
  • 5802 Garden Flower Ct, Katy, TX 77449
    August-14-2026 | 2,049 sqft | $132/sqft | built 2004 | Similar size (2,049 sqft); Sold after the valuation date
    $269,990

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.