Harris Value

509 Grant St, Deer Park, TX 77536

1,574 sqft, built 1977, in Heritage Appraised at $271,335 for 2026.

Harris County account 1074330000026

Appraised value
$271,335
Tax year 2026 · after any cap, before exemptions
Living area
1,574 sqft
$172 per sqft
Year built
1977
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 77536 and Heritage 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 10.7% from $245,093 in 2025 to $271,335 in 2026.
  • Appraised value per square footThe current public record shows about $172 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Heritage neighborhood and ZIP 77536.
  • Neighborhood value signalAmong 290 residential records in the same neighborhood, the average appraised value is about $162 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.4% on average.

Comparable assessments

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

  • 302 Temperance Ln, Deer Park, TX 77536
    1,592 sqft | $178/sqft | built 1977 | Similar size (1,592 vs 1,574 sqft); Built same year (1977); Similar lot size (7,630 vs 7,437 sqft)
    $283,784
  • 417 Grant St, Deer Park, TX 77536
    1,589 sqft | $174/sqft | built 1977 | Similar size (1,589 vs 1,574 sqft); Built same year (1977); Similar lot size (7,437 vs 7,437 sqft)
    $276,724
  • 410 Grant St, Deer Park, TX 77536
    1,590 sqft | $152/sqft | built 1975 | Similar size (1,590 vs 1,574 sqft); Similar age (1975 vs 1977); Similar lot size (7,150 vs 7,437 sqft)
    $242,381
  • 222 Temperance Ln, Deer Park, TX 77536
    1,574 sqft | $176/sqft | built 1977 | Similar size (1,574 vs 1,574 sqft); Built same year (1977); Similar lot size (7,630 vs 7,437 sqft)
    $276,750
  • 514 N Travis St, Deer Park, TX 77536
    1,607 sqft | $176/sqft | built 1976 | Similar size (1,607 vs 1,574 sqft); Similar age (1976 vs 1977); Similar lot size (7,020 vs 7,437 sqft)
    $282,686

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.

  • 409 N Travis St, Deer Park, TX 77536
    August-26-2026 | 1,582 sqft | $168/sqft | built 1976 | Similar size (1,582 sqft); Similar age (1976); Sold after the valuation date
    $265,000
  • 1814 Wildwood Dr, Deer Park, TX 77536
    September-17-2026 | 1,594 sqft | $154/sqft | built 1983 | Similar size (1,594 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $245,000
  • 414 E Lambuth Ln, Deer Park, TX 77536
    September-17-2026 | 1,488 sqft | $168/sqft | built 1976 | 6% size difference (1,488 sqft); Similar age (1976); Sold after the valuation date
    $250,000
  • 3205 Village Ln, Deer Park, TX 77536
    July-30-2026 | 1,556 sqft | $177/sqft | built 1976 | Similar size (1,556 sqft); Similar age (1976); Sold after the valuation date
    $275,000
  • 4206 Iris Ln, Deer Park, TX 77536
    September-25-2026 | 1,504 sqft | $156/sqft | built 1967 | Similar size (1,504 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $235,000

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.