Harris Value

1840 Portsmouth St, Houston, TX 77098

1,697 sqft, built 1939, in Montrose Appraised at $631,015 for 2026.

Harris County account 0660870010012

Appraised value
$631,015
Tax year 2026 · after any cap, before exemptions
Market value
$633,757
Living area
1,697 sqft
$372 per sqft
Year built
1939
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 77098, Montrose, and Montrose 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 $573,650 in 2025 to $631,015 in 2026.
  • Appraised value per square footThe current public record shows about $372 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $2,742 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Montrose neighborhood and ZIP 77098.
  • Neighborhood value signalAmong 202 residential records in the same neighborhood, the average appraised value is about $391 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.0% on average.

Comparable assessments

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

  • 1618 Castle Ct, Houston, TX 77006
    1,632 sqft | $390/sqft | built 1935 | Similar size (1,632 vs 1,697 sqft); Similar age (1935 vs 1939); Similar lot size (6,000 vs 6,150 sqft)
    $636,934
  • 1922 Lexington St, Houston, TX 77098
    1,772 sqft | $335/sqft | built 1934 | Similar size (1,772 vs 1,697 sqft); Similar age (1934 vs 1939); Similar lot size (6,250 vs 6,150 sqft)
    $593,021
  • 1617 Bonnie Brae St, Houston, TX 77006
    1,777 sqft | $347/sqft | built 1935 | Similar size (1,777 vs 1,697 sqft); Similar age (1935 vs 1939); Similar lot size (6,000 vs 6,150 sqft)
    $617,087
  • 1624 Norfolk St, Houston, TX 77006
    1,666 sqft | $372/sqft | built 1930 | Similar size (1,666 vs 1,697 sqft); Similar lot size (6,000 vs 6,150 sqft); Same quality (Average)
    $619,696
  • 1948 Lexington St, Houston, TX 77098
    1,785 sqft | $355/sqft | built 1934 | 5% larger (1,785 vs 1,697 sqft); Similar age (1934 vs 1939); Similar lot size (6,250 vs 6,150 sqft)
    $634,073

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.

  • 2046 W Main St, Houston, TX 77098
    April-30-2026 | 1,654 sqft | $408/sqft | built 1930 | Similar size (1,654 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $674,000
  • 1956 Norfolk St, Houston, TX 77098
    May-19-2026 | 1,953 sqft | $307/sqft | built 1935 | Moderate age difference (4 years older); Sold after the valuation date
    $599,000
  • 2048 Sul Ross St, Houston, TX 77098
    May-11-2026 | 1,764 sqft | $453/sqft | built 1920 | Similar size (1,764 sqft); Sold after the valuation date
    $799,900
  • 2630 Persa St, Houston, TX 77098
    April-28-2026 | 1,470 sqft | $551/sqft | built 1930 | 13% size difference (1,470 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $810,000
  • 2229 Portsmouth St, Houston, TX 77098
    April-20-2026 | 1,438 sqft | $469/sqft | built 1948 | Moderate age difference (9 years newer); Sold after the valuation date
    $675,003

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.