Harris Value

12815 Shannon Hills Dr, Houston, TX 77099

2,112 sqft, built 1977, in Alief Appraised at $259,071 for 2026.

Harris County account 1047120010033

Appraised value
$259,071
Tax year 2026 · after any cap, before exemptions
Living area
2,112 sqft
$123 per sqft
Year built
1977
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 77099 and Alief 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 1.6% from $254,944 in 2025 to $259,071 in 2026.
  • Appraised value per square footThe current public record shows about $123 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Alief neighborhood and ZIP 77099.
  • Neighborhood value signalAmong 390 residential records in the same neighborhood, the average appraised value is about $128 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.7% on average.

Comparable assessments

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

  • 8703 Sunny Field Dr, Houston, TX 77099
    2,115 sqft | $119/sqft | built 1978 | Similar size (2,115 vs 2,112 sqft); Similar age (1978 vs 1977); Similar lot size (9,000 vs 8,800 sqft)
    $251,387
  • 8910 Brookwulf Dr, Houston, TX 77099
    2,138 sqft | $119/sqft | built 1978 | Similar size (2,138 vs 2,112 sqft); Similar age (1978 vs 1977); Similar lot size (8,625 vs 8,800 sqft)
    $253,726
  • 12702 Newbrook Dr, Houston, TX 77072
    2,088 sqft | $136/sqft | built 1980 | Similar size (2,088 vs 2,112 sqft); Similar age (1980 vs 1977); Similar lot size (9,085 vs 8,800 sqft)
    $284,659
  • 8603 Brookren Cir, Houston, TX 77072
    2,032 sqft | $118/sqft | built 1979 | Similar size (2,032 vs 2,112 sqft); Similar age (1979 vs 1977); Similar lot size (8,790 vs 8,800 sqft)
    $240,000
  • 12727 Brookglade Cir, Houston, TX 77099
    2,036 sqft | $124/sqft | built 1976 | Similar size (2,036 vs 2,112 sqft); Similar age (1976 vs 1977); Similar lot size (8,960 vs 8,800 sqft)
    $251,555

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.

  • 12010 Longbrook Dr, Houston, TX 77099
    September-28-2026 | 2,092 sqft | $126/sqft | built 1981 | Similar size (2,092 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $262,900
  • 9203 Belle Park Dr, Houston, TX 77099
    June-30-2026 | 2,080 sqft | $144/sqft | built 1982 | Similar size (2,080 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $299,000
  • 10410 Cook Rd, Houston, TX 77099
    July-15-2026 | 1,932 sqft | $129/sqft | built 1975 | 8% size difference (1,932 sqft); Similar age (1975); Sold after the valuation date
    $250,000
  • 12518 Hunting Briar Dr, Houston, TX 77099
    May-27-2026 | 1,971 sqft | $142/sqft | built 1975 | 7% size difference (1,971 sqft); Similar age (1975); Sold after the valuation date
    $280,000
  • 13139 Birch Grove Dr, Houston, TX 77099
    May-21-2026 | 2,200 sqft | $116/sqft | built 1977 | Similar size (2,200 sqft); Similar age (1977); Sold after the valuation date
    $255,000

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.