Harris Value

490 Mercury Dr, Houston, TX 77013

2,261 sqft, built 1962, in Northshore Appraised at $309,488 for 2026.

Harris County account 0951840000003

Appraised value
$309,488
Tax year 2026 · after any cap, before exemptions
Living area
2,261 sqft
$137 per sqft
Year built
1962
Average quality

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 77013 and Northshore 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 5.3% from $293,930 in 2025 to $309,488 in 2026.
  • Appraised value per square footThe current public record shows about $137 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northshore neighborhood and ZIP 77013.
  • Neighborhood value signalAmong 293 residential records in the same neighborhood, the average appraised value is about $131 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.3% on average.

Comparable assessments

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

  • 530 Heysham St, Houston, TX 77013
    2,253 sqft | $104/sqft | built 1960 | Similar size (2,253 vs 2,261 sqft); Similar age (1960 vs 1962); Similar lot size (7,245 vs 7,440 sqft)
    $234,873
  • 527 Westshire Dr, Houston, TX 77013
    2,220 sqft | $110/sqft | built 1960 | Similar size (2,220 vs 2,261 sqft); Similar age (1960 vs 1962); Similar lot size (7,320 vs 7,440 sqft)
    $244,623
  • 10802 Filey Ln, Houston, TX 77013
    2,316 sqft | $138/sqft | built 1966 | Similar size (2,316 vs 2,261 sqft); Similar age (1966 vs 1962); Similar lot size (8,100 vs 7,440 sqft)
    $319,580
  • 530 Brockhampton St, Houston, TX 77013
    2,432 sqft | $90/sqft | built 1960 | 8% larger (2,432 vs 2,261 sqft); Similar age (1960 vs 1962); Similar lot size (7,245 vs 7,440 sqft)
    $218,599
  • 10442 Dunvegan Way, Houston, TX 77013
    2,442 sqft | $123/sqft | built 1960 | 8% larger (2,442 vs 2,261 sqft); Similar age (1960 vs 1962); Similar lot size (7,980 vs 7,440 sqft)
    $300,279

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.

  • 806 Coolwood Dr, Houston, TX 77013
    August-14-2026 | 1,838 sqft | $103/sqft | built 1969 | Moderate age difference (7 years newer); Sold after the valuation date
    $189,900
  • 12730 Eastbrook Dr, Houston, TX 77013
    August-21-2026 | 2,102 sqft | $136/sqft | built 1967 | 7% size difference (2,102 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $284,900
  • 927 Greatwood Dr, Houston, TX 77013
    September-18-2026 | 1,652 sqft | $127/sqft | built 1969 | Moderate age difference (7 years newer); Sold after the valuation date
    $210,000
  • 12814 Eastbrook Dr, Houston, TX 77013
    July-1-2026 | 2,172 sqft | $152/sqft | built 1968 | Similar size (2,172 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $330,000
  • 938 Greatwood Dr, Houston, TX 77013
    July-25-2026 | 1,700 sqft | $111/sqft | built 1969 | Moderate age difference (7 years newer); Sold after the valuation date
    $189,000

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.