Harris Value

21310 Open Shore Dr, Cypress, TX 77433

2,968 sqft, built 2023, in Cypress Appraised at $515,525 for 2026.

Harris County account 1453700010012

Appraised value
$515,525
Tax year 2026 · after any cap, before exemptions
Living area
2,968 sqft
$174 per sqft
Year built
2023
Good quality

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 77433, Cypress, and Cypress 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 delivered, 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 HCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value decreased 2.1% from $526,434 in 2025 to $515,525 in 2026.
  • Appraised value per square footThe current public record shows about $174 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Cypress neighborhood and ZIP 77433.
  • Neighborhood value signalAmong 1,554 residential records in the same neighborhood, the average appraised value is about $166 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +39.8% on average.

Comparable assessments

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

  • 21302 Tropisea Dr, Katy, TX 77433
    2,965 sqft | $141/sqft | built 2022 | Similar size (2,965 vs 2,968 sqft); Similar age (2022 vs 2023); Similar lot size (11,128 vs 10,915 sqft)
    $419,482
  • 21338 Bering Reach Dr, Cypress, TX 77433
    3,034 sqft | $149/sqft | built 2023 | Similar size (3,034 vs 2,968 sqft); Built same year (2023); Similar lot size (11,375 vs 10,915 sqft)
    $451,877
  • 8406 Zota Ln, Cypress, TX 77433
    3,013 sqft | $139/sqft | built 2022 | Similar size (3,013 vs 2,968 sqft); Similar age (2022 vs 2023); Similar lot size (10,231 vs 10,915 sqft)
    $419,313
  • 8514 Catalina Creek Dr, Cypress, TX 77433
    3,010 sqft | $164/sqft | built 2022 | Similar size (3,010 vs 2,968 sqft); Similar age (2022 vs 2023); Similar lot size (11,633 vs 10,915 sqft)
    $492,691
  • 21111 Almaco Dr, Cypress, TX 77433
    2,989 sqft | $168/sqft | built 2022 | Similar size (2,989 vs 2,968 sqft); Similar age (2022 vs 2023); Similar lot size (11,801 vs 10,915 sqft)
    $501,159

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.

  • 8614 Redstone Hills Dr, Cypress, TX 77433
    August-21-2026 | 2,936 sqft | $145/sqft | built 2014 | Similar size (2,936 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $425,000
  • 16226 Cleburne State Park Dr, Cypress, TX 77433
    July-31-2026 | 3,122 sqft | $216/sqft | built 2019 | 5% size difference (3,122 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $675,000
  • 20603 Behrens Pass Ln, Cypress, TX 77433
    June-9-2026 | 2,994 sqft | $205/sqft | built 2017 | Similar size (2,994 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $615,000
  • 13015 Parkside Breeze Ln, Cypress, TX 77433
    September-8-2026 | 3,277 sqft | $238/sqft | built 2024 | 10% size difference (3,277 sqft); Similar age (2024); Sold after the valuation date
    $779,000
  • 10923 Sunnydale Ridge Ln, Cypress, TX 77433
    August-19-2026 | 3,011 sqft | $191/sqft | built 2018 | Similar size (3,011 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $575,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County 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.