Collin Value

8345 St Clair Dr, Mckinney, TX 75071

2,834 sqft, built 2012, in Shiloh Lakes Phase One. Appraised at $665,498 for 2026.

Collin County account 2683329

Likely too high

about $24,000

8 similar homes nearby point to a value about $24,000 lower than yours.

Appraised value$665,498
Similar homes$641,730
$23,768 gap · bars start at $0

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

Appraised value
$665,498
Tax year 2026
Living area
2,834 sqft
$235 per sqft
Year built
2012
Homestead
Yes
Owner-occupied exemption on file

Why we think so

Unequal assessment

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $222.10/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 $209,000. Counting your land in place of theirs where theirs is less, they support a value of $641,730.

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, Shiloh Lakes Phase One, 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 0.8% from $670,686 in 2025 to $665,498 in 2026.
  • Appraised value per square footThe current public record shows about $235 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Shiloh Lakes Phase One neighborhood and ZIP 75071.
  • Neighborhood value signalAmong 291 residential records in the same neighborhood, the average appraised value is about $214 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 8332 Parish Ave, Mckinney, TX 75071
    2,816 sqft | $235/sqft | built 2012 | Similar size (2,816 vs 2,834 sqft); Built same year (2012); Similar lot size (9,155 vs 9,118 sqft)
    $662,670
  • 8209 Cheatham Ct, Mckinney, TX 75071
    2,796 sqft | $222/sqft | built 2011 | Similar size (2,796 vs 2,834 sqft); Similar age (2011 vs 2012); Similar lot size (9,413 vs 9,118 sqft)
    $621,000
  • 705 Minturn Ln, Mckinney, TX 75071
    2,796 sqft | $230/sqft | built 2013 | Similar size (2,796 vs 2,834 sqft); Similar age (2013 vs 2012); Similar lot size (8,822 vs 9,118 sqft)
    $642,067
  • 705 Windy Hill Dr, Mckinney, TX 75071
    2,796 sqft | $221/sqft | built 2011 | Similar size (2,796 vs 2,834 sqft); Similar age (2011 vs 2012); Similar lot size (9,482 vs 9,118 sqft)
    $616,927
  • 800 Renault Way, Mckinney, TX 75071
    2,952 sqft | $217/sqft | built 2011 | Similar size (2,952 vs 2,834 sqft); Similar age (2011 vs 2012); Similar lot size (8,576 vs 9,118 sqft)
    $639,433

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.

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 0.8% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$665,498−$5,188−0.8%
2025$670,686+$19,645+3.0%
2024$651,041+$518+0.1%
2023$650,523+$44,635+7.4%
2022$605,888+$175,971+40.9%
2021$429,917+$23,191+5.7%
2020$406,726——
6-year total+$258,772+63.6%