Harris Value

17902 Saint Helen Ct, Spring, TX 77379

3,901 sqft, built 1991, in Memorial Northwest Appraised at $454,624 for 2026.

Harris County account 1169510030060

Appraised value
$454,624
Tax year 2026 · after any cap, before exemptions
Market value
$457,844
Living area
3,901 sqft
$117 per sqft
Year built
1991
Good quality
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 77379 and Memorial Northwest 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 increased 10.0% from $413,295 in 2025 to $454,624 in 2026.
  • Appraised value per square footThe current public record shows about $117 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $3,220 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Memorial Northwest neighborhood and ZIP 77379.
  • Neighborhood value signalAmong 258 residential records in the same neighborhood, the average appraised value is about $124 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.0% on average.

Comparable assessments

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

  • 18122 Hampton Oak Dr, Spring, TX 77379
    3,887 sqft | $121/sqft | built 1995 | Similar size (3,887 vs 3,901 sqft); Similar age (1995 vs 1991); Similar lot size (8,050 vs 7,881 sqft)
    $469,532
  • 7911 Huddersfield Ct, Spring, TX 77379
    4,018 sqft | $112/sqft | built 1992 | Similar size (4,018 vs 3,901 sqft); Similar age (1992 vs 1991); Similar lot size (8,050 vs 7,881 sqft)
    $449,851
  • 17906 Hampton Oak Dr, Spring, TX 77379
    3,906 sqft | $122/sqft | built 1995 | Similar size (3,906 vs 3,901 sqft); Similar age (1995 vs 1991); Similar lot size (8,282 vs 7,881 sqft)
    $478,111
  • 7915 Aylesbury Ln, Spring, TX 77379
    3,846 sqft | $126/sqft | built 1996 | Similar size (3,846 vs 3,901 sqft); Similar age (1996 vs 1991); Similar lot size (8,050 vs 7,881 sqft)
    $483,286
  • 8018 Null Ct, Spring, TX 77379
    3,914 sqft | $114/sqft | built 1990 | Similar size (3,914 vs 3,901 sqft); Similar age (1990 vs 1991); Similar lot size (8,496 vs 7,881 sqft)
    $444,295

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.

  • 9022 Memorial Creek Dr, Spring, TX 77379
    September-10-2026 | 3,894 sqft | $109/sqft | built 1995 | Similar size (3,894 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $425,000
  • 6115 Tarra Firma Dr, Spring, TX 77379
    September-28-2026 | 3,866 sqft | $122/sqft | built 2008 | Similar size (3,866 sqft); Sold after the valuation date
    $469,900
  • 5910 Center Court Dr, Spring, TX 77379
    September-30-2026 | 3,460 sqft | $171/sqft | built 1997 | 11% size difference (3,460 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $590,000
  • 18206 Willow Ct, Spring, TX 77379
    September-30-2026 | 3,231 sqft | $145/sqft | built 1994 | Similar age (1994); Sold after the valuation date
    $469,990
  • 18122 Memorial Estates Dr, Spring, TX 77379
    August-20-2026 | 3,701 sqft | $115/sqft | built 1984 | 5% size difference (3,701 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $424,900

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.