Tarrant Value

329 Sioux St, Keller, TX 76248

1,811 sqft, built 1988, in Difonzo Estates. Appraised at $413,603 for 2026.

Tarrant County account 03158225

Likely too high

about $21,000

8 similar homes nearby point to a value about $21,000 lower than yours.

Appraised value$413,603
Similar homes$392,606
$20,997 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Appraised value
$413,603
Tax year 2026 · after any cap, before exemptions
Living area
1,811 sqft
$228 per sqft
Year built
1988

Why we think so

Unequal assessment

Strong

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $216.79/sqft, which supports a value of $392,606.

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 76248, Difonzo Estates, and Keller 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 TAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value stayed about the same, from $413,603 in 2025 to $413,603 in 2026.
  • Appraised value per square footThe current public record shows about $228 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Difonzo Estates neighborhood and ZIP 76248.
  • Neighborhood value signalAmong 693 residential records in the same neighborhood, the average appraised value is about $207 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.6% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 348 Roy Ln, Keller, TX 76248
    1,779 sqft | $226/sqft | built 1987 | Similar size (1,779 vs 1,811 sqft); Similar age (1987 vs 1988); Similar lot size (8,719 vs 8,848 sqft)
    $402,379
  • 340 Roy Ln, Keller, TX 76248
    1,775 sqft | $187/sqft | built 1990 | Similar size (1,775 vs 1,811 sqft); Similar age (1990 vs 1988); Similar lot size (8,662 vs 8,848 sqft)
    $331,240
  • 461 Cherokee Tr, Keller, TX 76248
    1,822 sqft | $217/sqft | built 1992 | Similar size (1,822 vs 1,811 sqft); Similar age (1992 vs 1988); Similar lot size (9,336 vs 8,848 sqft)
    $395,000
  • 309 India St, Keller, TX 76248
    1,812 sqft | $219/sqft | built 1984 | Similar size (1,812 vs 1,811 sqft); Similar age (1984 vs 1988); Similar lot size (8,232 vs 8,848 sqft)
    $397,248
  • 216 Roy Ln, Keller, TX 76248
    1,742 sqft | $203/sqft | built 1987 | Similar size (1,742 vs 1,811 sqft); Similar age (1987 vs 1988); Similar lot size (9,336 vs 8,848 sqft)
    $353,000

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.

  • 372 La Quinta Cir S, Keller, TX 76248
    October-9-2026 | 1,787 sqft | $208/sqft | built 1984 | Similar size (1,787 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $372,500
  • 224 Redwood Ct, Keller, TX 76248
    June-12-2026 | 1,784 sqft | $235/sqft | built 1993 | Similar size (1,784 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $420,000
  • 1004 Red Oak Ct, Keller, TX 76248
    June-11-2026 | 1,898 sqft | $263/sqft | built 1986 | Similar size (1,898 sqft); Similar age (1986); Sold after the valuation date
    $499,000
  • 699 Montana Ct N, Keller, TX 76248
    June-29-2026 | 1,767 sqft | $198/sqft | built 1991 | Similar size (1,767 sqft); Similar age (1991); Sold after the valuation date
    $350,000
  • 2085 Paint Pony Ln, Keller, TX 76248
    September-29-2026 | 1,744 sqft | $172/sqft | built 1991 | Similar size (1,744 sqft); Similar age (1991); Sold after the valuation date
    $300,000

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

Value history

No change in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$413,603$00.0%
2025$413,603$00.0%
2024$413,603+$61,295+17.4%
2023$352,308+$22,239+6.7%
2022$330,069+$43,784+15.3%
2021$286,285——
5-year total+$127,318+44.5%