Collin Value

849 Serenity Sound Dr, Lavon, TX 75166

2,235 sqft, built 2024, in Elevon Phase 1A. Appraised at $392,638 for 2026.

Collin County account 2864419

Small or uncertain difference

about $1,000

8 similar homes nearby point to a value about $1,000 lower than yours, a small or uncertain difference.

Appraised value$392,638
Similar homes$391,236
$1,402 gap · bars start at $0

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

Appraised value
$392,638
Tax year 2026
Living area
2,235 sqft
$176 per sqft
Year built
2024

Why we think so

Unequal assessment

Weak

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $174.28/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $84,000. Counting your land in place of theirs where theirs is less, they support a value of $391,236.

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 changed from $243,980 in 2025 to $392,638 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Appraised value per square footThe current public record shows about $176 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.

  • 615 Creekview Ln, Lavon, TX 75166
    2,235 sqft | $174/sqft | built 2023 | Similar size (2,235 vs 2,235 sqft); Similar age (2023 vs 2024); Similar lot size (7,187 vs 7,187 sqft)
    $389,519
  • 711 Creekview Ln, Lavon, TX 75166
    2,233 sqft | $178/sqft | built 2023 | Similar size (2,233 vs 2,235 sqft); Similar age (2023 vs 2024); Similar lot size (7,187 vs 7,187 sqft)
    $396,387
  • 601 Cozy Greens, Lavon, TX 75166
    2,228 sqft | $145/sqft | built 2023 | Similar size (2,228 vs 2,235 sqft); Similar age (2023 vs 2024); Similar lot size (7,013 vs 7,187 sqft)
    $323,688
  • 601 Walkabout Pl, Lavon, TX 75166
    2,228 sqft | $143/sqft | built 2022 | Similar size (2,228 vs 2,235 sqft); Similar age (2022 vs 2024); Similar lot size (7,056 vs 7,187 sqft)
    $318,000
  • 619 Creekview Ln, Lavon, TX 75166
    2,131 sqft | $178/sqft | built 2023 | Similar size (2,131 vs 2,235 sqft); Similar age (2023 vs 2024); Similar lot size (7,187 vs 7,187 sqft)
    $379,637

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.

  • 330 Rock Acre Dr, Lavon, TX 75166
    September-14-2026 | 2,315 sqft | $153/sqft | built 2022 | Similar size (2,315 sqft); Similar age (2022); Sold after the valuation date
    $355,000
  • 340 Misty Meadow Ln, Lavon, TX 75166
    August-11-2026 | 2,351 sqft | $157/sqft | built 2023 | 5% size difference (2,351 sqft); Similar age (2023); Sold after the valuation date
    $369,000
  • 803 River Sky Rd, Lavon, TX 75166
    September-22-2026 | 2,545 sqft | $177/sqft | built 2026 | 14% size difference (2,545 sqft); Similar age (2026); Sold after the valuation date
    $449,900
  • 353 Forage Dr, Lavon, TX 75166
    July-16-2026 | 2,269 sqft | $145/sqft | built 2020 | Similar size (2,269 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $329,000
  • 321 Millwood Rd, Lavon, TX 75166
    October-1-2026 | 2,311 sqft | $138/sqft | built 2026 | Similar size (2,311 sqft); Similar age (2026); Sold after the valuation date
    $319,990

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 60.9% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$392,638+$148,658+60.9%
2025$243,980+$159,980+190.5%
2024$84,000——
2-year total+$308,638+367.4%