DTX Value

642 Helena Ave, Dallas, TX 75217

3 bed / 1 bath, 1,188 sqft, built 1967 Appraised at $242,870 for 2026.

Dallas County account 00000553114000000

Appraised value
$242,870
Tax year 2026
Living area
1,188 sqft
$204 per sqft
Year built
1967
Good 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 75217 and DCAD Appraisal Area 4DSD13 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 mailed, 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 DCAD records highlight what may be worth checking before you file.

  • Appraised value per square footThe current public record shows about $204 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 75217.
  • Neighborhood value signalAmong 952 residential records in the same neighborhood, the average appraised value is about $191 per square foot.

Comparable assessments

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

  • 732 Neomi St, Dallas, TX 75217
    1,208 sqft | $198/sqft | built 1965 | Similar size (1,208 vs 1,188 sqft); Similar age (1965 vs 1967); Same story count (1)
    $239,350
  • 634 Pemberton Hill Rd, Dallas, TX 75217
    1,240 sqft | $206/sqft | built 1961 | Similar size (1,240 vs 1,188 sqft); Same story count (1); Similar lot size (13,835 vs 13,927 sqft)
    $255,380
  • 539 Rayenell Ave, Dallas, TX 75217
    1,247 sqft | $202/sqft | built 1959 | Similar size (1,247 vs 1,188 sqft); Same story count (1); Similar lot size (14,938 vs 13,927 sqft)
    $252,200
  • 505 Alcorn Ave, Dallas, TX 75217
    1,191 sqft | $200/sqft | built 1957 | Similar size (1,191 vs 1,188 sqft); Same story count (1); Similar lot size (12,553 vs 13,927 sqft)
    $238,730
  • 6835 Lucy St, Dallas, TX 75217
    1,211 sqft | $201/sqft | built 1959 | Similar size (1,211 vs 1,188 sqft); Same story count (1); Lot 18% smaller (11,429 vs 13,927 sqft)
    $243,370

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.

  • 638 Odeneal St, Dallas, TX 75217
    August-17-2026 | 1,128 sqft | $191/sqft | built 1957 | 5% size difference (1,128 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $215,000
  • 10017 Mill Valley Ln, Dallas, TX 75217
    August-12-2026 | 1,083 sqft | $152/sqft | built 1969 | 9% size difference (1,083 sqft); Similar age (1969); Sold after the valuation date
    $165,000
  • 10034 Hymie Cir, Dallas, TX 75217
    September-15-2026 | 1,284 sqft | $136/sqft | built 1971 | 8% size difference (1,284 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $175,000
  • 1626 Conner Dr, Dallas, TX 75217
    June-1-2026 | 1,137 sqft | $132/sqft | built 1948 | Similar size (1,137 sqft); Sold after the valuation date; Within 1 bedroom (2 vs 3)
    $150,000
  • 7411 Schepps Pkwy, Dallas, TX 75217
    June-29-2026 | 1,134 sqft | $198/sqft | built 1970 | Similar size (1,134 sqft); Similar age (1970); Sold after the valuation date
    $225,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Dallas Central 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.