Harris Value

4007 Porter St, Houston, TX 77021

1,672 sqft, built 1940, in South Side Appraised at $126,600 for 2026.

Harris County account 0752370010012

Appraised value
$126,600
Tax year 2026 · after any cap, before exemptions
Market value
$139,960
Living area
1,672 sqft
$76 per sqft
Year built
1940
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 77021 and South Side 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 20.0% from $105,500 in 2025 to $126,600 in 2026.
  • Appraised value per square footThe current public record shows about $76 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $13,360 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the South Side neighborhood and ZIP 77021.
  • Neighborhood value signalAmong 581 residential records in the same neighborhood, the average appraised value is about $133 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.1% on average.

Comparable assessments

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

  • 6203 Sherwood Dr, Houston, TX 77021
    1,615 sqft | $98/sqft | built 1940 | Similar size (1,615 vs 1,672 sqft); Built same year (1940); Lot 17% smaller (5,985 vs 7,200 sqft)
    $157,913
  • 4003 Porter St, Houston, TX 77021
    1,422 sqft | $99/sqft | built 1940 | 15% smaller (1,422 vs 1,672 sqft); Built same year (1940); Similar lot size (7,200 vs 7,200 sqft)
    $140,373
  • 6211 Sherwood Dr, Houston, TX 77021
    1,584 sqft | $84/sqft | built 1940 | 5% smaller (1,584 vs 1,672 sqft); Built same year (1940); Lot 17% smaller (5,985 vs 7,200 sqft)
    $132,546
  • 3919 Tolnay St, Houston, TX 77021
    1,559 sqft | $95/sqft | built 1940 | 7% smaller (1,559 vs 1,672 sqft); Built same year (1940); Lot 15% smaller (6,150 vs 7,200 sqft)
    $148,218
  • 3922 Daphne St, Houston, TX 77021
    1,687 sqft | $98/sqft | built 1950 | Similar size (1,687 vs 1,672 sqft); Lot 15% smaller (6,150 vs 7,200 sqft); Same quality (Average)
    $164,956

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.

  • 4522 Dewberry St, Houston, TX 77021
    July-24-2026 | 1,677 sqft | $116/sqft | built 1945 | Similar size (1,677 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $195,000
  • 5251 Perry St, Houston, TX 77021
    July-31-2026 | 1,625 sqft | $108/sqft | built 1951 | Similar size (1,625 sqft); Sold after the valuation date
    $174,999
  • 4810 Winnetka St, Houston, TX 77021
    September-14-2026 | 1,602 sqft | $156/sqft | built 1953 | Similar size (1,602 sqft); Sold after the valuation date
    $250,000
  • 7019 Sherwood Dr, Houston, TX 77021
    September-22-2026 | 1,532 sqft | $75/sqft | built 1950 | 8% size difference (1,532 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $114,900
  • 4626 Dewberry St, Houston, TX 77021
    September-30-2026 | 1,376 sqft | $155/sqft | built 1940 | Similar age (1940); Sold after the valuation date
    $213,000

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.