Collin Value

615 Willow Oak St, Allen, TX 75002

1,588 sqft, built 1987, in Cottonwood Bend North Phase Ii. Appraised at $335,375 for 2026.

Collin County account 1918866

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Appraised value$335,375
Similar homes$337,370
No gap: similar homes are at or above the county value · bars start at $0

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

Appraised value
$335,375
Tax year 2026
Living area
1,588 sqft
$211 per sqft
Year built
1987
Homestead
Yes
Owner-occupied exemption on file

What we found

Unequal assessment

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $212.45/sqft, which supports a value of $337,370.

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 75002, Cottonwood Bend North Phase Ii, and Fairview 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 4.8% from $352,415 in 2025 to $335,375 in 2026.
  • Appraised value per square footThe current public record shows about $211 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Cottonwood Bend North Phase Ii neighborhood and ZIP 75002.
  • Neighborhood value signalAmong 264 residential records in the same neighborhood, the average appraised value is about $188 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.0% 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.

  • 1551 Edelweiss Dr, Allen, TX 75002
    September-2-2026 | 1,546 sqft | $233/sqft | built 1989 | Similar size (1,546 sqft); Similar age (1989); Sold after the valuation date
    $360,000
  • 557 Gillespie Dr, Allen, TX 75002
    August-11-2026 | 1,610 sqft | $217/sqft | built 1985 | Similar size (1,610 sqft); Similar age (1985); Sold after the valuation date
    $350,000
  • 7 Buchanan Pl, Allen, TX 75002
    July-30-2026 | 1,569 sqft | $210/sqft | built 1988 | Similar size (1,569 sqft); Similar age (1988); Sold after the valuation date
    $329,900
  • 810 Weeping Willow Ct, Allen, TX 75002
    August-20-2026 | 1,585 sqft | $240/sqft | built 1996 | Similar size (1,585 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $380,000
  • 701 Sandy Creek Dr, Allen, TX 75002
    August-20-2026 | 1,637 sqft | $257/sqft | built 1983 | Similar size (1,637 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $419,900

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 4.8% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$335,375−$17,040−4.8%
2025$352,415+$19,352+5.8%
2024$333,063−$3,881−1.2%
2023$336,944+$26,447+8.5%
2022$310,497+$76,493+32.7%
2021$234,004+$25,463+12.2%
2020$208,541——
6-year total+$126,834+60.8%