Collin Value

3121 Charter Oak Dr, Plano, TX 75074

1,382 sqft, built 1978, in Royal Oaks. Appraised at $346,377 for 2026.

Collin County account 246166

Appraised value
$346,377
Tax year 2026
Living area
1,382 sqft
$251 per sqft
Year built
1978
Homestead
Yes
Owner-occupied exemption on file

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 Royal Oaks 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 0.7% from $348,801 in 2025 to $346,377 in 2026.
  • Appraised value per square footThe current public record shows about $251 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Royal Oaks neighborhood and ZIP 75074.
  • Neighborhood value signalAmong 451 residential records in the same neighborhood, the average appraised value is about $203 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.3% on average.

Comparable assessments

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

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.

  • 3801 Grecian Ct, Plano, TX 75074
    October-5-2026 | 1,426 sqft | $222/sqft | built 1982 | Similar size (1,426 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $316,000
  • 3508 Gatewood Ln, Plano, TX 75074
    August-25-2026 | 1,368 sqft | $194/sqft | built 1975 | Similar size (1,368 sqft); Similar age (1975); Sold after the valuation date
    $264,900
  • 2404 Lemmontree Ln, Plano, TX 75074
    September-23-2026 | 1,430 sqft | $227/sqft | built 1982 | Similar size (1,430 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $325,000
  • 3609 Sherrye Pl, Plano, TX 75074
    October-1-2026 | 1,475 sqft | $186/sqft | built 1975 | 7% size difference (1,475 sqft); Similar age (1975); Sold after the valuation date
    $275,000
  • 3705 Glover Dr, Plano, TX 75074
    September-16-2026 | 1,445 sqft | $249/sqft | built 1984 | Similar size (1,445 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $359,990

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

Down 0.7% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$346,377−$2,424−0.7%
2025$348,801+$10,974+3.2%
2024$337,827+$5,239+1.6%
2023$332,588+$26,010+8.5%
2022$306,578+$102,909+50.5%
2021$203,669+$1,527+0.8%
2020$202,142——
6-year total+$144,235+71.4%

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $329,900 sale recorded on August-24-2026