Collin Value

3612 Diamondhead Dr, Plano, TX 75075

2,681 sqft, built 1981, in High Place Phase Two. Appraised at $556,823 for 2026.

Collin County account 102212

Appraised value
$556,823
Tax year 2026
Living area
2,681 sqft
$208 per sqft
Year built
1981
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 75075 and High Place Phase Two 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 1.0% from $551,063 in 2025 to $556,823 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 High Place Phase Two neighborhood and ZIP 75075.
  • Neighborhood value signalAmong 692 residential records in the same neighborhood, the average appraised value is about $207 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.4% 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.

  • 2112 Evergreen Dr, Plano, TX 75075
    September-28-2026 | 2,637 sqft | $209/sqft | built 1983 | Similar size (2,637 sqft); Similar age (1983); Sold after the valuation date
    $549,900
  • 1901 Shadow Trl, Plano, TX 75075
    July-28-2026 | 2,673 sqft | $243/sqft | built 1982 | Similar size (2,673 sqft); Similar age (1982); Sold after the valuation date
    $649,000
  • 2101 Evergreen Dr, Plano, TX 75075
    July-31-2026 | 2,653 sqft | $241/sqft | built 1983 | Similar size (2,653 sqft); Similar age (1983); Sold after the valuation date
    $639,900
  • 2801 W Aspen Ct, Plano, TX 75075
    October-5-2026 | 2,831 sqft | $238/sqft | built 1975 | 6% size difference (2,831 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $674,900
  • 3613 Trinity Ln, Plano, TX 75075
    July-29-2026 | 2,693 sqft | $221/sqft | built 1986 | Similar size (2,693 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $595,000

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 1.0% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$556,823+$5,760+1.0%
2025$551,063−$10,590−1.9%
2024$561,653+$46,692+9.1%
2023$514,961+$42,454+9.0%
2022$472,507+$87,869+22.8%
2021$384,638+$33,387+9.5%
2020$351,251——
6-year total+$205,572+58.5%