Harris Value

107 Cosmos St, Houston, TX 77009

920 sqft, built 1940, in Northside Appraised at $219,992 for 2026.

Harris County account 0151420000007

Appraised value
$219,992
Tax year 2026 · after any cap, before exemptions
Living area
920 sqft
$239 per sqft
Year built
1940
Low 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 77009, Northside, and The Heights 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 4.0% from $211,509 in 2025 to $219,992 in 2026.
  • Appraised value per square footThe current public record shows about $239 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northside neighborhood and ZIP 77009.
  • Neighborhood value signalAmong 1,151 residential records in the same neighborhood, the average appraised value is about $234 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +10.4% on average.

Comparable assessments

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

  • 2804 Robertson St, Houston, TX 77009
    920 sqft | $234/sqft | built 1940 | Similar size (920 vs 920 sqft); Built same year (1940); Similar lot size (5,000 vs 5,000 sqft)
    $214,830
  • 2812 Robertson St, Houston, TX 77009
    936 sqft | $261/sqft | built 1940 | Similar size (936 vs 920 sqft); Built same year (1940); Similar lot size (5,000 vs 5,000 sqft)
    $243,901
  • 2815 Cochran St, Houston, TX 77009
    972 sqft | $251/sqft | built 1940 | 6% larger (972 vs 920 sqft); Built same year (1940); Similar lot size (5,000 vs 5,000 sqft)
    $243,701
  • 2019 Common St, Houston, TX 77009
    924 sqft | $222/sqft | built 1940 | Similar size (924 vs 920 sqft); Built same year (1940); Lot 10% smaller (4,500 vs 5,000 sqft)
    $205,432
  • 807 Carl St, Houston, TX 77009
    908 sqft | $261/sqft | built 1930 | Similar size (908 vs 920 sqft); Similar lot size (5,000 vs 5,000 sqft); Same quality (Low)
    $236,713

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.

  • 1305 Enid St, Houston, TX 77009
    August-14-2026 | 1,008 sqft | $396/sqft | built 1940 | 10% size difference (1,008 sqft); Similar age (1940); Sold after the valuation date
    $399,000
  • 3815 Baden St, Houston, TX 77009
    September-29-2026 | 810 sqft | $271/sqft | built 1928 | 12% size difference (810 sqft); Sold after the valuation date
    $219,500
  • 419 Fairbanks St, Houston, TX 77009
    September-29-2026 | 1,031 sqft | $373/sqft | built 1950 | 12% size difference (1,031 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $384,500
  • 1301 Walton St, Houston, TX 77009
    July-13-2026 | 1,038 sqft | $419/sqft | built 1940 | 13% size difference (1,038 sqft); Similar age (1940); Sold after the valuation date
    $435,000
  • 1115 Adele St, Houston, TX 77009
    June-26-2026 | 960 sqft | $521/sqft | built 1928 | Similar size (960 sqft); Sold after the valuation date
    $499,900

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.