Collin Value

4009 Sonora Dr, Plano, TX 75074

1,975 sqft, built 1981, in Los Rios Addition Phase 8. Appraised at $410,088 for 2026.

Collin County account 143963

In line with similar homes

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

Appraised value$410,088
Similar homes$411,925
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
$410,088
Tax year 2026
Living area
1,975 sqft
$208 per sqft
Year built
1981
Homestead
Yes
Owner-occupied exemption on file

What we found

Unequal assessment

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $208.32/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 $120,000. Counting your land in place of theirs where theirs is less, they support a value of $411,925.

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 75074 and Los Rios Addition Phase 8 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 3.3% from $423,890 in 2025 to $410,088 in 2026.
  • Appraised value per square footThe current public record shows about $208 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Los Rios Addition Phase 8 neighborhood and ZIP 75074.
  • Neighborhood value signalAmong 385 residential records in the same neighborhood, the average appraised value is about $191 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.3% on average.

Comparable assessments

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

  • 4020 Mesa Dr, Plano, TX 75074
    1,970 sqft | $215/sqft | built 1982 | Similar size (1,970 vs 1,975 sqft); Similar age (1982 vs 1981); Same neighborhood
    $423,000
  • 2205 Arroyo Ct, Plano, TX 75074
    1,976 sqft | $196/sqft | built 1983 | Similar size (1,976 vs 1,975 sqft); Similar age (1983 vs 1981); Same neighborhood
    $387,548
  • 4104 Mesa Dr, Plano, TX 75074
    1,983 sqft | $208/sqft | built 1983 | Similar size (1,983 vs 1,975 sqft); Similar age (1983 vs 1981); Same neighborhood
    $413,106
  • 4121 Mesa Dr, Plano, TX 75074
    2,011 sqft | $202/sqft | built 1982 | Similar size (2,011 vs 1,975 sqft); Similar age (1982 vs 1981); Same neighborhood
    $406,252
  • 2317 Arroyo Ct, Plano, TX 75074
    1,948 sqft | $215/sqft | built 1983 | Similar size (1,948 vs 1,975 sqft); Similar age (1983 vs 1981); Same neighborhood
    $418,680

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.

  • 1528 Estrella Dr, Plano, TX 75074
    October-5-2026 | 2,000 sqft | $212/sqft | built 1985 | Similar size (2,000 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $425,000
  • 3310 Raintree Dr, Plano, TX 75074
    September-18-2026 | 2,020 sqft | $197/sqft | built 1975 | Similar size (2,020 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $398,200
  • 2401 Maverick Dr, Plano, TX 75074
    August-31-2026 | 1,921 sqft | $221/sqft | built 1985 | Similar size (1,921 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $425,000
  • 1925 Country Club Dr, Plano, TX 75074
    September-25-2026 | 2,151 sqft | $186/sqft | built 1978 | 9% size difference (2,151 sqft); Similar age (1978); Sold after the valuation date
    $399,000
  • 2612 Ridgewood Dr, Plano, TX 75074
    August-21-2026 | 2,012 sqft | $222/sqft | built 1992 | Similar size (2,012 sqft); Sold after the valuation date
    $447,000

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 3.3% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$410,088−$13,802−3.3%
2025$423,890−$12,110−2.8%
2024$436,000+$46,000+11.8%
2023$390,000+$55,000+16.4%
2022$335,000+$62,000+22.7%
2021$273,000+$8,002+3.0%
2020$264,998——
6-year total+$145,090+54.8%