Harris Value

986 Althea Dr, Houston, TX 77018

1,612 sqft, built 1940, in Central Northwest Appraised at $651,142 for 2026.

Harris County account 0660460430022

Appraised value
$651,142
Tax year 2026 · after any cap, before exemptions
Market value
$685,796
Living area
1,612 sqft
$404 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 77018 and Central Northwest 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 $591,948 in 2025 to $651,142 in 2026.
  • Appraised value per square footThe current public record shows about $404 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $34,654 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Central Northwest neighborhood and ZIP 77018.
  • Neighborhood value signalAmong 550 residential records in the same neighborhood, the average appraised value is about $380 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +7.1% on average.

Comparable assessments

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

  • 902 W 41st St, Houston, TX 77018
    1,627 sqft | $391/sqft | built 1940 | Similar size (1,627 vs 1,612 sqft); Built same year (1940); Similar lot size (9,780 vs 10,123 sqft)
    $636,572
  • 923 W 42nd St, Houston, TX 77018
    1,611 sqft | $437/sqft | built 1940 | Similar size (1,611 vs 1,612 sqft); Built same year (1940); Similar lot size (10,891 vs 10,123 sqft)
    $703,762
  • 1027 Gardenia Dr, Houston, TX 77018
    1,568 sqft | $410/sqft | built 1946 | Similar size (1,568 vs 1,612 sqft); Similar lot size (10,044 vs 10,123 sqft); Same quality (Average)
    $643,286
  • 923 W 43rd St, Houston, TX 77018
    1,664 sqft | $269/sqft | built 1942 | Similar size (1,664 vs 1,612 sqft); Similar age (1942 vs 1940); Lot 12% smaller (8,940 vs 10,123 sqft)
    $448,242
  • 922 Lamonte Ln, Houston, TX 77018
    1,620 sqft | $343/sqft | built 1942 | Similar size (1,620 vs 1,612 sqft); Similar age (1942 vs 1940); Lot 17% smaller (8,433 vs 10,123 sqft)
    $555,406

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.

  • 846 W 43rd St, Houston, TX 77018
    August-14-2026 | 1,692 sqft | $355/sqft | built 1939 | Similar size (1,692 sqft); Similar age (1939); Sold after the valuation date
    $599,854
  • 1601 Saxon Dr, Houston, TX 77018
    August-5-2026 | 1,511 sqft | $397/sqft | built 1949 | 6% size difference (1,511 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $600,000
  • 1249 Du Barry Ln, Houston, TX 77018
    July-15-2026 | 1,660 sqft | $392/sqft | built 1946 | Similar size (1,660 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $650,000
  • 2106 Saxon Dr, Houston, TX 77018
    September-2-2026 | 1,619 sqft | $355/sqft | built 1953 | Similar size (1,619 sqft); Sold after the valuation date
    $575,000
  • 4618 Ella Blvd, Houston, TX 77018
    October-8-2026 | 1,482 sqft | $233/sqft | built 1950 | 8% size difference (1,482 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $345,000

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.