Collin Value

1017 Mellville Dr, Plano, TX 75075

2,245 sqft, built 1977, in Greenhollow Estates. Appraised at $454,655 for 2026.

Collin County account 97718

Likely too high

about $50,000

8 similar homes nearby point to a value about $50,000 lower than yours.

Appraised value$454,655
Similar homes$404,549
$50,106 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Appraised value
$454,655
Tax year 2026
Living area
2,245 sqft
$203 per sqft
Year built
1977
Homestead
Yes
Owner-occupied exemption on file

Why we think so

Unequal assessment

Strong

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $179.86/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 $130,000. Counting your land in place of theirs where theirs is less, they support a value of $404,549.

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 Greenhollow Estates 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 0.9% from $458,957 in 2025 to $454,655 in 2026.
  • Appraised value per square footThe current public record shows about $203 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Greenhollow Estates neighborhood and ZIP 75075.
  • Neighborhood value signalAmong 205 residential records in the same neighborhood, the average appraised value is about $197 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.8% 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.

  • 3109 Parkside Dr, Plano, TX 75075
    September-1-2026 | 2,217 sqft | $189/sqft | built 1978 | Similar size (2,217 sqft); Similar age (1978); Sold after the valuation date
    $420,000
  • 2909 Las Palmas Ln, Plano, TX 75075
    August-28-2026 | 2,278 sqft | $184/sqft | built 1976 | Similar size (2,278 sqft); Similar age (1976); Sold after the valuation date
    $419,000
  • 2212 Vickers Dr, Plano, TX 75075
    September-24-2026 | 2,140 sqft | $210/sqft | built 1978 | Similar size (2,140 sqft); Similar age (1978); Sold after the valuation date
    $449,000
  • 2269 Bunker Hill Cir, Plano, TX 75075
    September-18-2026 | 2,197 sqft | $231/sqft | built 1982 | Similar size (2,197 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $507,500
  • 916 Druid Dr, Plano, TX 75075
    September-11-2026 | 2,361 sqft | $186/sqft | built 1977 | 5% size difference (2,361 sqft); Similar age (1977); Sold after the valuation date
    $439,000

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 0.9% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$454,655−$4,302−0.9%
2025$458,957+$20,497+4.7%
2024$438,460+$35,835+8.9%
2023$402,625+$58,719+17.1%
2022$343,906+$50,852+17.4%
2021$293,054+$19,590+7.2%
2020$273,464——
6-year total+$181,191+66.3%