Harris Value

319 Cosmos St, Houston, TX 77009

3,165 sqft, built 2016, in Northside Appraised at $640,869 for 2026.

Harris County account 0151400000006

Appraised value
$640,869
Tax year 2026 · after any cap, before exemptions
Market value
$666,211
Living area
3,165 sqft
$202 per sqft
Year built
2016
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 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 10.0% from $582,609 in 2025 to $640,869 in 2026.
  • Appraised value per square footThe current public record shows about $202 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $25,342 above the appraised value used on this page.
  • 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.

  • 211 Quitman St, Houston, TX 77009
    2,852 sqft | $218/sqft | built 2015 | 10% smaller (2,852 vs 3,165 sqft); Similar age (2015 vs 2016); Similar lot size (5,317 vs 5,000 sqft)
    $622,151
  • 207 Morris St, Houston, TX 77009
    2,706 sqft | $208/sqft | built 2017 | 14% smaller (2,706 vs 3,165 sqft); Similar age (2017 vs 2016); Similar lot size (5,000 vs 5,000 sqft)
    $563,493
  • 2406 Thomas St, Houston, TX 77009
    2,614 sqft | $226/sqft | built 2017 | Similar age (2017 vs 2016); Similar lot size (5,000 vs 5,000 sqft); Same quality (Good)
    $590,258
  • 306 Winnie St, Houston, TX 77009
    2,656 sqft | $219/sqft | built 2018 | Similar age (2018 vs 2016); Lot 10% smaller (4,500 vs 5,000 sqft); Same quality (Good)
    $580,985
  • 219 Hogan St, Houston, TX 77009
    2,934 sqft | $242/sqft | built 2019 | 7% smaller (2,934 vs 3,165 sqft); Similar age (2019 vs 2016); Same quality (Good)
    $708,763

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.

  • 1120 Woodland St, Houston, TX 77009
    August-26-2026 | 3,162 sqft | $522/sqft | built 2017 | Similar size (3,162 sqft); Similar age (2017); Sold after the valuation date
    $1,650,000
  • 3710 Bradley St, Houston, TX 77009
    September-14-2026 | 3,328 sqft | $478/sqft | built 2018 | 5% size difference (3,328 sqft); Similar age (2018); Sold after the valuation date
    $1,590,000
  • 611 Cordell St, Houston, TX 77009
    September-18-2026 | 2,924 sqft | $306/sqft | built 2016 | 8% size difference (2,924 sqft); Similar age (2016); Sold after the valuation date
    $895,000
  • 703 Cordell St, Houston, TX 77009
    July-20-2026 | 3,045 sqft | $295/sqft | built 2016 | Similar size (3,045 sqft); Similar age (2016); Sold after the valuation date
    $899,000
  • 1202 Walton St, Houston, TX 77009
    July-22-2026 | 2,939 sqft | $306/sqft | built 2017 | 7% size difference (2,939 sqft); Similar age (2017); Sold after the valuation date
    $899,000

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.