Williamson Value

8809 Black Oak St, Austin, TX 78729

2 bathrooms, 1,608 sqft, built 1984, in R373483F - Springwood North Of Anderson Mill Appraised at $432,779 for 2026.

Williamson County account 129411

Appraised value
$432,779
Tax year 2026 · after any cap, before exemptions
Living area
1,608 sqft
$269 per sqft
Year built
1984

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 78729 and Springwood North Of Anderson Mill 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 3.5% from $448,390 in 2025 to $432,779 in 2026.
  • Appraised value per square footThe current public record shows about $269 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the R373483F - Springwood North Of Anderson Mill neighborhood and ZIP 78729.
  • Neighborhood value signalAmong 278 residential records in the same neighborhood, the average appraised value is about $217 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.3% 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.