Tarrant Value

521 Llano Ct, Keller, TX 76248

3,345 sqft, built 2017, in Lakes At Marshall Ridge, The. Appraised at $872,153 for 2026.

Tarrant County account 42204575

Appraised value
$872,153
Tax year 2026 · after any cap, before exemptions
Market value
$941,082
Living area
3,345 sqft
$261 per sqft
Year built
2017
Homestead
Yes
Owner-occupied exemption on file

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 76248, Lakes At Marshall Ridge, The, and Keller 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 TAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 10.0% from $792,866 in 2025 to $872,153 in 2026.
  • Appraised value per square footThe current public record shows about $261 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $68,929 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Lakes At Marshall Ridge, The neighborhood and ZIP 76248.
  • Neighborhood value signalAmong 560 residential records in the same neighborhood, the average appraised value is about $207 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.6% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 2017 Lewis Crossing Ct, Keller, TX 76248
    3,401 sqft | $206/sqft | built 2010 | Similar size (3,401 vs 3,345 sqft); Similar lot size (10,448 vs 10,500 sqft); Same neighborhood
    $701,243
  • 2001 Yosemite Ln, Keller, TX 76248
    3,471 sqft | $211/sqft | built 2013 | Similar size (3,471 vs 3,345 sqft); Similar age (2013 vs 2017); Similar lot size (10,524 vs 10,500 sqft)
    $733,175
  • 529 Llano Ct, Keller, TX 76248
    3,368 sqft | $229/sqft | built 2019 | Similar size (3,368 vs 3,345 sqft); Similar age (2019 vs 2017); Similar lot size (10,500 vs 10,500 sqft)
    $771,456
  • 2005 Yosemite Ln, Keller, TX 76248
    3,479 sqft | $212/sqft | built 2012 | Similar size (3,479 vs 3,345 sqft); Similar age (2012 vs 2017); Similar lot size (10,469 vs 10,500 sqft)
    $736,056
  • 2020 Yosemite Ln, Keller, TX 76248
    3,409 sqft | $179/sqft | built 2012 | Similar size (3,409 vs 3,345 sqft); Similar age (2012 vs 2017); Similar lot size (10,890 vs 10,500 sqft)
    $611,379

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.

  • 709 Lakeway Dr, Keller, TX 76248
    September-30-2026 | 3,357 sqft | $228/sqft | built 1999 | Similar size (3,357 sqft); Sold after the valuation date
    $765,000
  • 2012 Yosemite Ln, Keller, TX 76248
    August-21-2026 | 3,033 sqft | $242/sqft | built 2012 | 9% size difference (3,033 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $734,700
  • 1917 Sterling Trace Dr, Keller, TX 76248
    August-26-2026 | 3,609 sqft | $208/sqft | built 2010 | 8% size difference (3,609 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $750,000
  • 329 Parkview Ln, Keller, TX 76248
    July-30-2026 | 3,490 sqft | $285/sqft | built 2014 | Similar size (3,490 sqft); Similar age (2014); Sold after the valuation date
    $995,000
  • 2201 Bayou Ct, Keller, TX 76248
    September-29-2026 | 3,483 sqft | $186/sqft | built 2001 | Similar size (3,483 sqft); Sold after the valuation date
    $649,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Tarrant Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 10.0% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$872,153+$79,287+10.0%
2025$792,866+$72,079+10.0%
2024$720,787+$65,526+10.0%
2023$655,261+$59,569+10.0%
2022$595,692−$1,189−0.2%
2021$596,881——
5-year total+$275,272+46.1%