Collin Value

4428 Avonshire Ln, Plano, TX 75093

2,011 sqft, built 1984, in Preston Meadow Phase I. Appraised at $509,193 for 2026.

Collin County account 28268

Small or uncertain difference

about $7,000

8 similar homes nearby point to a value about $7,000 lower than yours, a small or uncertain difference.

Appraised value$509,193
Similar homes$502,689
$6,504 gap · bars start at $0

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

Appraised value
$509,193
Tax year 2026
Living area
2,011 sqft
$253 per sqft
Year built
1984

Why we think so

Unequal assessment

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $249.97/sqft, which supports a value of $502,689.

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 75093 and Preston Meadow Phase I 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 CCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 4.4% from $487,792 in 2025 to $509,193 in 2026.
  • Appraised value per square footThe current public record shows about $253 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Preston Meadow Phase I neighborhood and ZIP 75093.
  • Neighborhood value signalAmong 153 residential records in the same neighborhood, the average appraised value is about $244 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.6% on average.

Comparable assessments

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

  • 3404 Darion Ln, Plano, TX 75093
    2,000 sqft | $250/sqft | built 1984 | Similar size (2,000 vs 2,011 sqft); Built same year (1984); Same neighborhood
    $499,947
  • 3309 Darion Ln, Plano, TX 75093
    2,016 sqft | $264/sqft | built 1983 | Similar size (2,016 vs 2,011 sqft); Similar age (1983 vs 1984); Same neighborhood
    $531,511
  • 4417 Barwyn Ln, Plano, TX 75093
    2,045 sqft | $250/sqft | built 1984 | Similar size (2,045 vs 2,011 sqft); Built same year (1984); Same neighborhood
    $510,559
  • 4428 Emerson Dr, Plano, TX 75093
    2,044 sqft | $248/sqft | built 1983 | Similar size (2,044 vs 2,011 sqft); Similar age (1983 vs 1984); Same neighborhood
    $507,512
  • 4301 Barwyn Ln, Plano, TX 75093
    1,976 sqft | $269/sqft | built 1983 | Similar size (1,976 vs 2,011 sqft); Similar age (1983 vs 1984); Same neighborhood
    $531,609

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.

  • 4100 Emerson Dr, Plano, TX 75093
    September-30-2026 | 1,917 sqft | $238/sqft | built 1983 | Similar size (1,917 sqft); Similar age (1983); Sold after the valuation date
    $455,900
  • 4524 Boston Dr, Plano, TX 75093
    August-27-2026 | 2,144 sqft | $275/sqft | built 1981 | 7% size difference (2,144 sqft); Similar age (1981); Sold after the valuation date
    $589,000
  • 4229 Emerson Dr, Plano, TX 75093
    August-21-2026 | 2,170 sqft | $262/sqft | built 1984 | 8% size difference (2,170 sqft); Similar age (1984); Sold after the valuation date
    $569,000
  • 4405 Avonshire Ln, Plano, TX 75093
    July-14-2026 | 1,917 sqft | $256/sqft | built 1983 | Similar size (1,917 sqft); Similar age (1983); Sold after the valuation date
    $490,000
  • 4041 Aladdin Dr, Plano, TX 75093
    August-10-2026 | 2,015 sqft | $258/sqft | built 1999 | Similar size (2,015 sqft); Sold after the valuation date
    $519,500

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

Value history

Up 4.4% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$509,193+$21,401+4.4%
2025$487,792+$28,696+6.3%
2024$459,096−$340−0.1%
2023$459,436+$30,331+7.1%
2022$429,105+$70,285+19.6%
2021$358,820+$24,794+7.4%
2020$334,026——
6-year total+$175,167+52.4%