Harris Value

4423 Apollo St, Houston, TX 77018

2,520 sqft, built 1961, in Central Northwest Appraised at $933,589 for 2026.

Harris County account 0923900000056

Appraised value
$933,589
Tax year 2026 · after any cap, before exemptions
Market value
$1,020,983
Living area
2,520 sqft
$370 per sqft
Year built
1961
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 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 $848,718 in 2025 to $933,589 in 2026.
  • Appraised value per square footThe current public record shows about $370 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $87,394 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 959 residential records in the same neighborhood, the average appraised value is about $301 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.

  • 4719 Clift Haven Dr, Houston, TX 77018
    2,526 sqft | $389/sqft | built 1962 | Similar size (2,526 vs 2,520 sqft); Similar age (1962 vs 1961); Similar lot size (12,650 vs 12,965 sqft)
    $982,582
  • 4718 Thornton Cir, Houston, TX 77018
    2,637 sqft | $336/sqft | built 1963 | Similar size (2,637 vs 2,520 sqft); Similar age (1963 vs 1961); Similar lot size (12,550 vs 12,965 sqft)
    $884,940
  • 982 Curtin St, Houston, TX 77018
    2,504 sqft | $363/sqft | built 1961 | Similar size (2,504 vs 2,520 sqft); Built same year (1961); Lot 16% smaller (10,925 vs 12,965 sqft)
    $909,344
  • 4606 Chantilly Cir, Houston, TX 77018
    2,534 sqft | $301/sqft | built 1963 | Similar size (2,534 vs 2,520 sqft); Similar age (1963 vs 1961); Lot 11% smaller (11,550 vs 12,965 sqft)
    $762,300
  • 4703 Clift Haven Dr, Houston, TX 77018
    2,436 sqft | $274/sqft | built 1962 | Similar size (2,436 vs 2,520 sqft); Similar age (1962 vs 1961); Similar lot size (13,800 vs 12,965 sqft)
    $667,719

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.

  • 4902 Clift Haven Dr, Houston, TX 77018
    September-30-2026 | 2,597 sqft | $327/sqft | built 1965 | Similar size (2,597 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $850,000
  • 1103 Martin St, Houston, TX 77018
    August-28-2026 | 2,126 sqft | $353/sqft | built 1968 | Moderate age difference (7 years newer); Sold after the valuation date
    $749,900
  • 729 Sue Barnett Dr, Houston, TX 77018
    July-22-2026 | 2,347 sqft | $424/sqft | built 1945 | 7% size difference (2,347 sqft); Sold after the valuation date
    $995,000
  • 4902 Dunsmere St, Houston, TX 77018
    July-9-2026 | 2,340 sqft | $244/sqft | built 1967 | 7% size difference (2,340 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $569,897
  • 2202 Viking Dr, Houston, TX 77018
    September-8-2026 | 2,178 sqft | $298/sqft | built 1959 | 14% size difference (2,178 sqft); Similar age (1959); Sold after the valuation date
    $650,000

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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $875,000 sale recorded on May-14-2026