Williamson Value

21 Forest Mesa, Round Rock, TX 78664

2,946 sqft, built 1986, in R563694C - Oak Bluff Estates Ph 2 Appraised at $673,882 for 2026.

Williamson County account 144164

Appraised value
$673,882
Tax year 2026 · after any cap, before exemptions
Market value
$674,442
Living area
2,946 sqft
$229 per sqft
Year built
1986

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, Oak Bluff Estates Ph 2, 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 increased 10.0% from $612,620 in 2025 to $673,882 in 2026.
  • Appraised value per square footThe current public record shows about $229 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $560 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the R563694C - Oak Bluff Estates Ph 2 neighborhood and ZIP 78664.
  • Neighborhood value signalAmong 341 residential records in the same neighborhood, the average appraised value is about $240 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.6% 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.

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