Harris Value

5218 Opal Sky Dr, Katy, TX 77449

2,343 sqft, built 2004 Appraised at $200,355 for 2026.

Harris County account 1243730070005

Appraised value
$200,355
Tax year 2026 · after any cap, before exemptions
Market value
$231,473
Living area
2,343 sqft
$86 per sqft
Year built
2004
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 77449, HCAD Appraisal Area 13.00, 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 10.0% from $182,141 in 2025 to $200,355 in 2026.
  • Appraised value per square footThe current public record shows about $86 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $31,118 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77449.
  • Neighborhood value signalAmong 831 residential records in the same neighborhood, the average appraised value is about $128 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.7% on average.

Comparable assessments

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

  • 5118 Diamondcliff Ct, Katy, TX 77449
    2,292 sqft | $123/sqft | built 2006 | Similar size (2,292 vs 2,343 sqft); Similar age (2006 vs 2004); Similar lot size (8,374 vs 8,530 sqft)
    $282,044
  • 21319 Penzance Dr, Katy, TX 77449
    2,319 sqft | $126/sqft | built 1998 | Similar size (2,319 vs 2,343 sqft); Similar lot size (8,545 vs 8,530 sqft); Same quality (Average)
    $291,500
  • 5451 Mersea Dr, Katy, TX 77449
    2,313 sqft | $129/sqft | built 1998 | Similar size (2,313 vs 2,343 sqft); Similar lot size (8,620 vs 8,530 sqft); Same quality (Average)
    $299,472
  • 21710 Manor Court Dr, Katy, TX 77449
    2,367 sqft | $125/sqft | built 2007 | Similar size (2,367 vs 2,343 sqft); Similar age (2007 vs 2004); Similar lot size (8,112 vs 8,530 sqft)
    $295,035
  • 5318 Summit Lodge Dr, Katy, TX 77449
    2,358 sqft | $121/sqft | built 2000 | Similar size (2,358 vs 2,343 sqft); Similar age (2000 vs 2004); Similar lot size (8,125 vs 8,530 sqft)
    $285,370

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.

  • 19706 Windmoor Ct, Katy, TX 77449
    September-28-2026 | 2,400 sqft | $120/sqft | built 1998 | Similar size (2,400 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $289,000
  • 3107 Oxbridge Ct, Katy, TX 77449
    August-11-2026 | 2,406 sqft | $112/sqft | built 2000 | Similar size (2,406 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $270,000
  • 5106 Opal Sky Dr, Katy, TX 77449
    September-24-2026 | 2,322 sqft | $125/sqft | built 2004 | Similar size (2,322 sqft); Similar age (2004); Sold after the valuation date
    $290,000
  • 3902 Flatwood Dr, Katy, TX 77449
    September-25-2026 | 2,464 sqft | $134/sqft | built 2001 | 5% size difference (2,464 sqft); Similar age (2001); Sold after the valuation date
    $330,000
  • 19806 Millstone Ridge Ln, Katy, TX 77449
    September-29-2026 | 2,433 sqft | $115/sqft | built 2005 | Similar size (2,433 sqft); Similar age (2005); Sold after the valuation date
    $279,000

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.