Collin Value

809 Serenity Sound Dr, Lavon, TX 75166

1,942 sqft, built 2023, in Elevon Phase 1A. Appraised at $366,689 for 2026.

Collin County account 2864429

Likely too high

about $41,000

8 similar homes nearby point to a value about $41,000 lower than yours.

Appraised value$366,689
Similar homes$325,906
$40,783 gap · bars start at $0

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

Appraised value
$366,689
Tax year 2026
Living area
1,942 sqft
$189 per sqft
Year built
2023
Homestead
Yes
Owner-occupied exemption on file

Why we think so

Unequal assessment

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $167.82/sqft, which supports a value of $325,906.

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 Elevon Phase 1A 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 decreased 2.8% from $377,236 in 2025 to $366,689 in 2026.
  • Appraised value per square footThe current public record shows about $189 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Elevon Phase 1A neighborhood and ZIP 75166.
  • Neighborhood value signalAmong 367 residential records in the same neighborhood, the average appraised value is about $171 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.4% on average.

Comparable assessments

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

  • 845 Serenity Sound Dr, Lavon, TX 75166
    1,942 sqft | $171/sqft | built 2023 | Similar size (1,942 vs 1,942 sqft); Built same year (2023); Similar lot size (6,098 vs 6,316 sqft)
    $333,000
  • 825 Serenity Sound Dr, Lavon, TX 75166
    1,942 sqft | $189/sqft | built 2023 | Similar size (1,942 vs 1,942 sqft); Built same year (2023); Similar lot size (6,098 vs 6,316 sqft)
    $366,689
  • 612 Gracious Glen, Lavon, TX 75166
    1,992 sqft | $146/sqft | built 2023 | Similar size (1,992 vs 1,942 sqft); Built same year (2023); Similar lot size (6,403 vs 6,316 sqft)
    $290,135
  • 613 Daybreak Ln, Lavon, TX 75166
    1,936 sqft | $152/sqft | built 2022 | Similar size (1,936 vs 1,942 sqft); Similar age (2022 vs 2023); Similar lot size (6,011 vs 6,316 sqft)
    $293,934
  • 761 Soar Sky Way, Lavon, TX 75166
    1,861 sqft | $168/sqft | built 2023 | Similar size (1,861 vs 1,942 sqft); Built same year (2023); Similar lot size (6,229 vs 6,316 sqft)
    $312,310

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.

  • 218 Brookview Dr, Lavon, TX 75166
    August-21-2026 | 2,002 sqft | $150/sqft | built 2020 | Similar size (2,002 sqft); Similar age (2020); Sold after the valuation date
    $300,000
  • 777 Sierra Rdg, Lavon, TX 75166
    August-20-2026 | 1,791 sqft | $176/sqft | built 2025 | 8% size difference (1,791 sqft); Similar age (2025); Sold after the valuation date
    $314,990
  • 444 Silent Pond Park, Lavon, TX 75166
    October-2-2026 | 1,699 sqft | $164/sqft | built 2026 | 12% size difference (1,699 sqft); Similar age (2026); Sold after the valuation date
    $278,990
  • 1124 Del Rio Dr, Lavon, TX 75166
    August-19-2026 | 1,800 sqft | $181/sqft | built 2026 | 7% size difference (1,800 sqft); Similar age (2026); Sold after the valuation date
    $324,990
  • 352 Cyprus Grove Dr, Lavon, TX 75166
    August-20-2026 | 1,807 sqft | $177/sqft | built 2021 | 7% size difference (1,807 sqft); Similar age (2021); Sold after the valuation date
    $320,000

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

Down 2.8% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$366,689−$10,547−2.8%
2025$377,236−$715−0.2%
2024$377,951——
2-year total−$11,262−3.0%