Collin Value

621 Austin Ln, Lavon, TX 75166

1,617 sqft, built 2007, in Grand Heritage Club. Appraised at $294,398 for 2026.

Collin County account 2612536

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Appraised value$294,398
Similar homes$296,363
No gap: similar homes are at or above the county value · bars start at $0

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

Appraised value
$294,398
Tax year 2026
Living area
1,617 sqft
$182 per sqft
Year built
2007
Homestead
Yes
Owner-occupied exemption on file

What we found

Unequal assessment

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $183.28/sqft, which supports a value of $296,363.

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 75166 and Grand Heritage Club 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 1.3% from $290,628 in 2025 to $294,398 in 2026.
  • Appraised value per square footThe current public record shows about $182 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Grand Heritage Club neighborhood and ZIP 75166.
  • Neighborhood value signalAmong 341 residential records in the same neighborhood, the average appraised value is about $155 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.2% on average.

Comparable assessments

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

  • 609 Austin Ln, Lavon, TX 75166
    1,617 sqft | $198/sqft | built 2007 | Similar size (1,617 vs 1,617 sqft); Built same year (2007); Similar lot size (5,623 vs 5,606 sqft)
    $319,900
  • 683 Bonham Dr, Lavon, TX 75166
    1,617 sqft | $183/sqft | built 2006 | Similar size (1,617 vs 1,617 sqft); Similar age (2006 vs 2007); Similar lot size (5,606 vs 5,606 sqft)
    $296,363
  • 658 Crockett Dr, Lavon, TX 75166
    1,617 sqft | $181/sqft | built 2007 | Similar size (1,617 vs 1,617 sqft); Built same year (2007); Similar lot size (5,553 vs 5,606 sqft)
    $293,000
  • 640 Crockett Dr, Lavon, TX 75166
    1,617 sqft | $185/sqft | built 2007 | Similar size (1,617 vs 1,617 sqft); Built same year (2007); Similar lot size (5,545 vs 5,606 sqft)
    $299,000
  • 665 Bonham Dr, Lavon, TX 75166
    1,617 sqft | $187/sqft | built 2006 | Similar size (1,617 vs 1,617 sqft); Similar age (2006 vs 2007); Similar lot size (5,562 vs 5,606 sqft)
    $302,817

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.

  • 408 Coolidge Ln, Lavon, TX 75166
    August-19-2026 | 1,597 sqft | $147/sqft | built 2006 | Similar size (1,597 sqft); Similar age (2006); Sold after the valuation date
    $235,000
  • 891 Austin Ln, Lavon, TX 75166
    September-24-2026 | 1,510 sqft | $172/sqft | built 2006 | 7% size difference (1,510 sqft); Similar age (2006); Sold after the valuation date
    $259,900
  • 682 Crockett Dr, Lavon, TX 75166
    July-10-2026 | 1,609 sqft | $178/sqft | built 2006 | Similar size (1,609 sqft); Similar age (2006); Sold after the valuation date
    $287,000
  • 921 Bowie Dr, Lavon, TX 75166
    September-2-2026 | 1,790 sqft | $165/sqft | built 2006 | 11% size difference (1,790 sqft); Similar age (2006); Sold after the valuation date
    $294,990
  • 544 Lucas Ln, Lavon, TX 75166
    August-28-2026 | 1,555 sqft | $205/sqft | built 2021 | Similar size (1,555 sqft); Sold after the valuation date
    $319,000

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 1.3% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$294,398+$3,770+1.3%
2025$290,628−$15,226−5.0%
2024$305,854−$2,538−0.8%
2023$308,392+$29,893+10.7%
2022$278,499+$62,484+28.9%
2021$216,015+$7,030+3.4%
2020$208,985——
6-year total+$85,413+40.9%