Collin Value

2700 Knollwood Ct, Plano, TX 75075

3,054 sqft, built 1975, in Castlery. Appraised at $576,327 for 2026.

Collin County account 199671

Likely too high

about $47,000

8 similar homes nearby point to a value about $47,000 lower than yours.

Appraised value$576,327
Similar homes$528,983
$47,344 gap · bars start at $0

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

Appraised value
$576,327
Tax year 2026
Living area
3,054 sqft
$189 per sqft
Year built
1975
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 $166.99/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 $143,750. Counting your land in place of theirs where theirs is less, they support a value of $528,983.

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 Castlery 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 7.6% from $535,623 in 2025 to $576,327 in 2026.
  • Appraised value per square footThe current public record shows about $189 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Castlery neighborhood and ZIP 75075.
  • Neighborhood value signalAmong 732 residential records in the same neighborhood, the average appraised value is about $194 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +7.6% on average.

Comparable assessments

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

  • 2637 Windsor Pl, Plano, TX 75075
    3,050 sqft | $177/sqft | built 1974 | Similar size (3,050 vs 3,054 sqft); Similar age (1974 vs 1975); Same neighborhood
    $539,609
  • 2516 Evans Dr, Plano, TX 75075
    3,060 sqft | $167/sqft | built 1976 | Similar size (3,060 vs 3,054 sqft); Similar age (1976 vs 1975); Same neighborhood
    $511,000
  • 2708 Mollimar Dr, Plano, TX 75075
    3,016 sqft | $151/sqft | built 1973 | Similar size (3,016 vs 3,054 sqft); Similar age (1973 vs 1975); Same neighborhood
    $455,638
  • 2609 Evans Dr, Plano, TX 75075
    2,997 sqft | $176/sqft | built 1976 | Similar size (2,997 vs 3,054 sqft); Similar age (1976 vs 1975); Same neighborhood
    $526,351
  • 2504 Evans Dr, Plano, TX 75075
    2,983 sqft | $157/sqft | built 1976 | Similar size (2,983 vs 3,054 sqft); Similar age (1976 vs 1975); Same neighborhood
    $467,502

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.

  • 1908 Edgewater Dr, Plano, TX 75075
    October-7-2026 | 3,122 sqft | $187/sqft | built 1979 | Similar size (3,122 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $585,000
  • 2601 Red Oak Ln, Plano, TX 75075
    October-9-2026 | 2,920 sqft | $201/sqft | built 1972 | Similar size (2,920 sqft); Similar age (1972); Sold after the valuation date
    $586,000
  • 2801 W Aspen Ct, Plano, TX 75075
    October-5-2026 | 2,831 sqft | $238/sqft | built 1975 | 7% size difference (2,831 sqft); Similar age (1975); Sold after the valuation date
    $674,900
  • 2525 Eucalyptus Dr, Plano, TX 75075
    October-9-2026 | 2,852 sqft | $184/sqft | built 1972 | 7% size difference (2,852 sqft); Similar age (1972); Sold after the valuation date
    $524,900
  • 3109 Robin Rd, Plano, TX 75075
    July-17-2026 | 2,951 sqft | $236/sqft | built 1974 | Similar size (2,951 sqft); Similar age (1974); Sold after the valuation date
    $695,000

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 7.6% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$576,327+$40,704+7.6%
2025$535,623+$50,008+10.3%
2024$485,615+$30,684+6.7%
2023$454,931+$46,133+11.3%
2022$408,798+$40,143+10.9%
2021$368,655+$40,859+12.5%
2020$327,796——
6-year total+$248,531+75.8%