Collin Value

4400 Gilmer Dr, Mckinney, TX 75071

2,524 sqft, built 2024, in Highland Lakes Phase 1. Appraised at $574,118 for 2026.

Collin County account 2888154

Small or uncertain difference

about $9,000

8 similar homes nearby point to a value about $9,000 lower than yours, a small or uncertain difference.

Appraised value$574,118
Similar homes$564,745
$9,373 gap · bars start at $0

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

Appraised value
$574,118
Tax year 2026
Living area
2,524 sqft
$227 per sqft
Year built
2024
Homestead
Yes
Owner-occupied exemption on file

Why we think so

Unequal assessment

Weak

6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $216.84/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 $175,000. Counting your land in place of theirs where theirs is less, they support a value of $564,745.

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 75071, Highland Lakes Phase 1, and McKinney 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 7.2% from $618,571 in 2025 to $574,118 in 2026.
  • Appraised value per square footThe current public record shows about $227 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Highland Lakes Phase 1 neighborhood and ZIP 75071.
  • Neighborhood value signalAmong 335 residential records in the same neighborhood, the average appraised value is about $180 per square foot.

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.

  • 424 Sagano Way, Mckinney, TX 75071
    September-28-2026 | 2,504 sqft | $236/sqft | built 2026 | Similar size (2,504 sqft); Similar age (2026); Sold after the valuation date
    $591,900
  • 405 Spruce Brook Dr, Mckinney, TX 75071
    September-18-2026 | 2,504 sqft | $236/sqft | built 2026 | Similar size (2,504 sqft); Similar age (2026); Sold after the valuation date
    $590,900
  • 8628 Katydid Dr, Mckinney, TX 75071
    July-22-2026 | 2,574 sqft | $233/sqft | built 2026 | Similar size (2,574 sqft); Similar age (2026); Sold after the valuation date
    $599,900
  • 4820 Woodruff Ln, Mckinney, TX 75071
    June-2-2026 | 2,519 sqft | $256/sqft | built 2021 | Similar size (2,519 sqft); Similar age (2021); Sold after the valuation date
    $645,000
  • 1428 Hoyt Dr, Mckinney, TX 75071
    August-3-2026 | 2,523 sqft | $220/sqft | built 2019 | Similar size (2,523 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $555,000

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 7.2% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$574,118−$44,453−7.2%
2025$618,571+$508,321+461.1%
2024$110,250——
2-year total+$463,868+420.7%