Collin Value

3920 Leon Dr, Plano, TX 75074

2,839 sqft, built 1981, in Los Rios Addition Phase 5. Appraised at $556,693 for 2026.

Collin County account 129649

In line with similar homes

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

Appraised value$556,693
Similar homes$562,888
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
$556,693
Tax year 2026
Living area
2,839 sqft
$196 per sqft
Year built
1981
Homestead
Yes
Owner-occupied exemption on file

What we found

Unequal assessment

Weak

6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $184.47/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 $150,150. Counting your land in place of theirs where theirs is less, they support a value of $562,888.

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 5 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 3.0% from $540,426 in 2025 to $556,693 in 2026.
  • Appraised value per square footThe current public record shows about $196 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 5 neighborhood and ZIP 75074.
  • Neighborhood value signalAmong 492 residential records in the same neighborhood, the average appraised value is about $195 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.9% on average.

Comparable assessments

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

  • 4008 Leon Dr, Plano, TX 75074
    2,831 sqft | $221/sqft | built 1978 | Similar size (2,831 vs 2,839 sqft); Similar age (1978 vs 1981); Both have pool
    $625,876
  • 1909 Leon Dr, Plano, TX 75074
    2,893 sqft | $190/sqft | built 1982 | Similar size (2,893 vs 2,839 sqft); Similar age (1982 vs 1981); Both have pool
    $550,307
  • 2000 Hondo Dr, Plano, TX 75074
    2,813 sqft | $183/sqft | built 1978 | Similar size (2,813 vs 2,839 sqft); Similar age (1978 vs 1981); Both have pool
    $516,111
  • 3924 E Park Blvd, Plano, TX 75074
    2,901 sqft | $184/sqft | built 1982 | Similar size (2,901 vs 2,839 sqft); Similar age (1982 vs 1981); Both have pool
    $535,155
  • 1721 Allende Ct, Plano, TX 75074
    2,918 sqft | $176/sqft | built 1978 | Similar size (2,918 vs 2,839 sqft); Similar age (1978 vs 1981); Both have pool
    $512,401

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.

  • 3901 Leon Dr, Plano, TX 75074
    October-9-2026 | 2,714 sqft | $212/sqft | built 1982 | Similar size (2,714 sqft); Similar age (1982); Sold after the valuation date
    $576,000
  • 2132 Donna Dr, Plano, TX 75074
    September-16-2026 | 2,438 sqft | $207/sqft | built 1987 | 14% size difference (2,438 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $505,000
  • 3710 Windmill Ct, Plano, TX 75074
    September-30-2026 | 2,311 sqft | $238/sqft | built 1980 | Similar age (1980); Sold after the valuation date
    $549,900
  • 3809 18th St, Plano, TX 75074
    June-25-2026 | 2,737 sqft | $159/sqft | built 1986 | Similar size (2,737 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $435,000
  • 4325 Lavaca Dr, Plano, TX 75074
    June-1-2026 | 2,852 sqft | $175/sqft | built 1992 | Similar size (2,852 sqft); Sold after the valuation date
    $499,000

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 3.0% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$556,693+$16,267+3.0%
2025$540,426−$10,575−1.9%
2024$551,001−$8,347−1.5%
2023$559,348+$75,630+15.6%
2022$483,718+$94,536+24.3%
2021$389,182+$19,455+5.3%
2020$369,727——
6-year total+$186,966+50.6%