Collin Value

3504 O Malley Ct, Plano, TX 75023

3,529 sqft, built 1986, in Forest Creek Estates Phase Iii. Appraised at $764,091 for 2026.

Collin County account 1773290

Appraised value
$764,091
Tax year 2026
Living area
3,529 sqft
$217 per sqft
Year built
1986
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 75023 and Forest Creek Estates Phase Iii 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 1.5% from $752,871 in 2025 to $764,091 in 2026.
  • Appraised value per square footThe current public record shows about $217 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Forest Creek Estates Phase Iii neighborhood and ZIP 75023.
  • Neighborhood value signalAmong 354 residential records in the same neighborhood, the average appraised value is about $221 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.6% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 3504 Terry Dr, Plano, TX 75023
    3,520 sqft | $219/sqft | built 1986 | Similar size (3,520 vs 3,529 sqft); Built same year (1986); Both have pool
    $770,756
  • 3325 Melanie Ln, Plano, TX 75023
    3,531 sqft | $212/sqft | built 1985 | Similar size (3,531 vs 3,529 sqft); Similar age (1985 vs 1986); Both have pool
    $747,905
  • 3300 Gary Dr, Plano, TX 75023
    3,503 sqft | $222/sqft | built 1986 | Similar size (3,503 vs 3,529 sqft); Built same year (1986); Both have pool
    $778,031
  • 3524 Terry Dr, Plano, TX 75023
    3,523 sqft | $196/sqft | built 1987 | Similar size (3,523 vs 3,529 sqft); Similar age (1987 vs 1986); Both have pool
    $690,552
  • 3440 Michael Dr, Plano, TX 75023
    3,538 sqft | $224/sqft | built 1985 | Similar size (3,538 vs 3,529 sqft); Similar age (1985 vs 1986); Both have pool
    $792,276

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.

  • 2116 Glendale Dr, Plano, TX 75023
    October-9-2026 | 3,509 sqft | $185/sqft | built 1992 | Similar size (3,509 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $650,000
  • 3916 Tumbril Ln, Plano, TX 75023
    October-2-2026 | 3,574 sqft | $249/sqft | built 1982 | Similar size (3,574 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $889,999
  • 3408 Sandy Trail Ln, Plano, TX 75023
    September-14-2026 | 3,624 sqft | $172/sqft | built 1988 | Similar size (3,624 sqft); Similar age (1988); Sold after the valuation date
    $624,900
  • 5100 Laser Ln, Plano, TX 75023
    July-17-2026 | 3,539 sqft | $186/sqft | built 1992 | Similar size (3,539 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $660,000
  • 6701 Leslie Ct, Plano, TX 75023
    September-24-2026 | 3,197 sqft | $266/sqft | built 1984 | 9% size difference (3,197 sqft); Similar age (1984); Sold after the valuation date
    $850,000

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 1.5% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$764,091+$11,220+1.5%
2025$752,871+$31,040+4.3%
2024$721,831−$9,918−1.4%
2023$731,749+$110,345+17.8%
2022$621,404+$108,135+21.1%
2021$513,269+$17,194+3.5%
2020$496,075——
6-year total+$268,016+54.0%