Williamson Value

17518 Klamath Falls Dr, Round Rock, TX 78664

2 bathrooms, 1,994 sqft, built 1990 Appraised at $401,484 for 2026.

Williamson County account 154929

Appraised value
$401,484
Tax year 2026 · after any cap, before exemptions
Living area
1,994 sqft
$201 per sqft
Year built
1990

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 78664, WCAD Appraisal Area R270588F, and Round Rock 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 mailed, 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 WCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value decreased 5.6% from $425,190 in 2025 to $401,484 in 2026.
  • Appraised value per square footThe current public record shows about $201 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 78664.
  • Neighborhood value signalAmong 420 residential records in the same neighborhood, the average appraised value is about $208 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.9% on average.

Comparable assessments

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

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.

  • 2307 Logan Dr, Round Rock, TX 78664
    September-8-2026 | 2,020 sqft | $166/sqft | built 1996 | Similar size (2,020 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $335,000
  • 100 Adelfa Dr, Round Rock, TX 78664
    August-11-2026 | 1,994 sqft | $226/sqft | built 1996 | Similar size (1,994 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $450,000
  • 101 Rock Chalk Ct, Round Rock, TX 78664
    September-2-2026 | 2,067 sqft | $230/sqft | built 1996 | Similar size (2,067 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $474,999
  • 2409 Hallie Ln, Round Rock, TX 78664
    September-1-2026 | 1,940 sqft | $180/sqft | built 1999 | Similar size (1,940 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $350,000
  • 304 White Wing Way, Round Rock, TX 78664
    August-26-2026 | 2,016 sqft | $176/sqft | built 1977 | Similar size (2,016 sqft); Sold after the valuation date
    $355,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Williamson Central 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.