Harris Value

4507 Algernon Dr, Spring, TX 77373

1,574 sqft, built 2021, in Birnam Wood Appraised at $347,989 for 2026.

Harris County account 1145050050008

Appraised value
$347,989
Tax year 2026 · after any cap, before exemptions
Living area
1,574 sqft
$221 per sqft
Year built
2021
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 77373 and Birnam Wood 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 decreased 0.4% from $349,412 in 2025 to $347,989 in 2026.
  • Appraised value per square footThe current public record shows about $221 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Birnam Wood neighborhood and ZIP 77373.
  • Neighborhood value signalAmong 1,162 residential records in the same neighborhood, the average appraised value is about $134 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.5% on average.

Comparable assessments

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

  • 23626 Wintergate Dr, Spring, TX 77373
    1,550 sqft | $162/sqft | built 2023 | Similar size (1,550 vs 1,574 sqft); Similar age (2023 vs 2021); Similar lot size (7,475 vs 7,590 sqft)
    $250,990
  • 4122 Hirschfield Rd, Spring, TX 77373
    1,552 sqft | $172/sqft | built 2016 | Similar size (1,552 vs 1,574 sqft); Similar age (2016 vs 2021); Similar lot size (7,700 vs 7,590 sqft)
    $267,716
  • 23341 Sandpiper Trl, Spring, TX 77373
    1,459 sqft | $153/sqft | built 2017 | 7% smaller (1,459 vs 1,574 sqft); Similar age (2017 vs 2021); Similar lot size (7,410 vs 7,590 sqft)
    $223,806
  • 4118 Hirschfield Rd, Spring, TX 77373
    1,552 sqft | $167/sqft | built 2016 | Similar size (1,552 vs 1,574 sqft); Similar age (2016 vs 2021); Lot 13% smaller (6,600 vs 7,590 sqft)
    $259,493
  • 5023 Quailgate Dr, Spring, TX 77373
    1,520 sqft | $187/sqft | built 2016 | Similar size (1,520 vs 1,574 sqft); Similar age (2016 vs 2021); Lot 13% smaller (6,600 vs 7,590 sqft)
    $283,679

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.

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.