Harris Value

517 Ellena Rd, Houston, TX 77076

1,214 sqft, built 1954, in Northside / Northline Appraised at $166,182 for 2026.

Harris County account 0770010020035

Appraised value
$166,182
Tax year 2026 · after any cap, before exemptions
Market value
$183,578
Living area
1,214 sqft
$137 per sqft
Year built
1954
Average 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 77076 and Northside / Northline 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 $151,075 in 2025 to $166,182 in 2026.
  • Appraised value per square footThe current public record shows about $137 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $17,396 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Northside / Northline neighborhood and ZIP 77076.
  • Neighborhood value signalAmong 946 residential records in the same neighborhood, the average appraised value is about $144 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.6% on average.

Comparable assessments

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

  • 417 Sunnyside St, Houston, TX 77076
    1,250 sqft | $145/sqft | built 1954 | Similar size (1,250 vs 1,214 sqft); Built same year (1954); Similar lot size (8,281 vs 8,281 sqft)
    $180,725
  • 122 Troy Rd, Houston, TX 77076
    1,236 sqft | $148/sqft | built 1952 | Similar size (1,236 vs 1,214 sqft); Similar age (1952 vs 1954); Similar lot size (8,163 vs 8,281 sqft)
    $182,471
  • 119 W Wellington St, Houston, TX 77076
    1,247 sqft | $166/sqft | built 1956 | Similar size (1,247 vs 1,214 sqft); Similar age (1956 vs 1954); Similar lot size (8,163 vs 8,281 sqft)
    $206,500
  • 805 E Witcher Ln, Houston, TX 77076
    1,256 sqft | $140/sqft | built 1956 | Similar size (1,256 vs 1,214 sqft); Similar age (1956 vs 1954); Similar lot size (8,403 vs 8,281 sqft)
    $176,333
  • 6619 Echo Brook Dr, Houston, TX 77076
    1,185 sqft | $150/sqft | built 1956 | Similar size (1,185 vs 1,214 sqft); Similar age (1956 vs 1954); Similar lot size (8,581 vs 8,281 sqft)
    $177,533

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.

  • 717 Bolling Ln, Houston, TX 77076
    September-1-2026 | 1,208 sqft | $116/sqft | built 1948 | Similar size (1,208 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $139,900
  • 715 Tassell St, Houston, TX 77469
    September-4-2026 | 1,175 sqft | $166/sqft | built 1948 | Similar size (1,175 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $195,000
  • 233 W Obion Rd, Houston, TX 77076
    June-18-2026 | 1,291 sqft | $119/sqft | built 1952 | 6% size difference (1,291 sqft); Similar age (1952); Sold after the valuation date
    $153,000
  • 421 Cliffside Dr, Houston, TX 77076
    June-12-2026 | 1,160 sqft | $132/sqft | built 1950 | Similar size (1,160 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $153,000
  • 26 Harkness St, Houston, TX 77076
    September-18-2026 | 1,296 sqft | $193/sqft | built 1955 | 7% size difference (1,296 sqft); Similar age (1955); Sold after the valuation date
    $249,900

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.