Harris Value

3970 Charleston St, Houston, TX 77021

2,344 sqft, built 1989, in South Side Appraised at $464,362 for 2026.

Harris County account 0611390140028

Appraised value
$464,362
Tax year 2026 · after any cap, before exemptions
Market value
$494,730
Living area
2,344 sqft
$198 per sqft
Year built
1989
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 10.0% from $422,148 in 2025 to $464,362 in 2026.
  • Appraised value per square footThe current public record shows about $198 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $30,368 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 85 residential records in the same neighborhood, the average appraised value is about $188 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.8% on average.

Comparable assessments

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

  • 3870 Palm St, Houston, TX 77004
    2,182 sqft | $181/sqft | built 1984 | 7% smaller (2,182 vs 2,344 sqft); Similar age (1984 vs 1989); Similar lot size (8,000 vs 8,575 sqft)
    $395,168
  • 3915 Palm St, Houston, TX 77004
    2,492 sqft | $114/sqft | built 1975 | 6% larger (2,492 vs 2,344 sqft); Similar lot size (8,492 vs 8,575 sqft); Similar quality (1 step: Good vs Average)
    $284,743
  • 3907 Palm St, Houston, TX 77004
    2,325 sqft | $159/sqft | built 1973 | Similar size (2,325 vs 2,344 sqft); Similar lot size (7,875 vs 8,575 sqft); Similar quality (1 step: Good vs Average)
    $370,458
  • 3925 Charleston St, Houston, TX 77021
    2,131 sqft | $219/sqft | built 2005 | 9% smaller (2,131 vs 2,344 sqft); Lot 17% larger (10,075 vs 8,575 sqft); Same quality (Average)
    $467,500
  • 3857 Palm St, Houston, TX 77004
    2,431 sqft | $200/sqft | built 2003 | Similar size (2,431 vs 2,344 sqft); Similar lot size (9,240 vs 8,575 sqft); Similar quality (1 step: Good vs Average)
    $485,172

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.

  • 6121 Grace Ln, Houston, TX 77021
    May-6-2026 | 2,033 sqft | $103/sqft | built 1984 | 13% size difference (2,033 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $210,000
  • 4301 Charleston St, Houston, TX 77021
    July-27-2026 | 2,925 sqft | $211/sqft | built 1986 | Similar age (1986); Sold after the valuation date
    $617,000
  • 2316 Camden Dr, Houston, TX 77021
    June-26-2026 | 2,276 sqft | $189/sqft | built 2005 | Similar size (2,276 sqft); Sold after the valuation date
    $429,999
  • 2414 Charleston St UNIT C, Houston, TX 77021
    May-18-2026 | 2,559 sqft | $162/sqft | built 2006 | 9% size difference (2,559 sqft); Sold after the valuation date
    $415,000

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.