Harris Value

10119 Olentangy St, Houston, TX 77075

1,295 sqft, built 1956, in South Belt / Ellington Appraised at $172,491 for 2026.

Harris County account 0854770000013

Appraised value
$172,491
Tax year 2026 · after any cap, before exemptions
Living area
1,295 sqft
$133 per sqft
Year built
1956
Average 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 77075 and South Belt / Ellington 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 1.9% from $169,286 in 2025 to $172,491 in 2026.
  • Appraised value per square footThe current public record shows about $133 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the South Belt / Ellington neighborhood and ZIP 77075.
  • Neighborhood value signalAmong 934 residential records in the same neighborhood, the average appraised value is about $142 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.2% on average.

Comparable assessments

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

  • 10219 Elmhurst St, Houston, TX 77075
    1,292 sqft | $118/sqft | built 1955 | Similar size (1,292 vs 1,295 sqft); Similar age (1955 vs 1956); Similar lot size (7,680 vs 7,368 sqft)
    $152,492
  • 10242 Torrington Ln, Houston, TX 77075
    1,273 sqft | $127/sqft | built 1955 | Similar size (1,273 vs 1,295 sqft); Similar age (1955 vs 1956); Similar lot size (7,200 vs 7,368 sqft)
    $161,947
  • 10126 Elmhurst St, Houston, TX 77075
    1,322 sqft | $116/sqft | built 1956 | Similar size (1,322 vs 1,295 sqft); Built same year (1956); Similar lot size (7,560 vs 7,368 sqft)
    $152,752
  • 10523 Thornlea Dr, Houston, TX 77089
    1,301 sqft | $149/sqft | built 1960 | Similar size (1,301 vs 1,295 sqft); Similar age (1960 vs 1956); Similar lot size (7,200 vs 7,368 sqft)
    $193,339
  • 10511 Seaford Dr, Houston, TX 77089
    1,302 sqft | $142/sqft | built 1960 | Similar size (1,302 vs 1,295 sqft); Similar age (1960 vs 1956); Similar lot size (7,200 vs 7,368 sqft)
    $184,766

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.

  • 8302 Tavenor Ln, Houston, TX 77075
    July-2-2026 | 1,280 sqft | $192/sqft | built 1965 | Similar size (1,280 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $246,000
  • 10202 Elmhurst St, Houston, TX 77075
    June-30-2026 | 1,387 sqft | $180/sqft | built 1956 | 7% size difference (1,387 sqft); Similar age (1956); Sold after the valuation date
    $249,900
  • 9714 Sumerlin St, Houston, TX 77075
    June-11-2026 | 1,149 sqft | $144/sqft | built 1965 | 11% size difference (1,149 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $165,000
  • 9811 Mango St, Houston, TX 77075
    May-27-2026 | 1,524 sqft | $157/sqft | built 1971 | Sold after the valuation date
    $238,900

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.