Harris Value

4623 Merwin St, Houston, TX 77027

5,976 sqft, built 2025, in Afton Oaks / River Oaks Area Appraised at $1,351,950 for 2026.

Harris County account 0772450150004

Appraised value
$1,351,950
Tax year 2026 · after any cap, before exemptions
Market value
$1,408,953
Living area
5,976 sqft
$226 per sqft
Year built
2025
Excellent 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 77027, Afton Oaks / River Oaks Area, and River Oaks 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 changed from $427,518 in 2025 to $1,351,950 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Appraised value per square footThe current public record shows about $226 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $57,003 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Afton Oaks / River Oaks Area neighborhood and ZIP 77027.
  • Neighborhood value signalAmong 112 residential records in the same neighborhood, the average appraised value is about $373 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +18.7% on average.

Comparable assessments

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

  • 3615 Newcastle Dr, Houston, TX 77027
    5,593 sqft | $198/sqft | built 2025 | 6% smaller (5,593 vs 5,976 sqft); Built same year (2025); Lot 11% larger (8,400 vs 7,540 sqft)
    $1,108,177
  • 4615 Merwin St, Houston, TX 77027
    5,279 sqft | $368/sqft | built 2019 | 12% smaller (5,279 vs 5,976 sqft); Similar lot size (7,410 vs 7,540 sqft); Same quality (Excellent)
    $1,941,394
  • 4646 Ingersoll St, Houston, TX 77027
    6,392 sqft | $246/sqft | built 2025 | 7% larger (6,392 vs 5,976 sqft); Built same year (2025); Lot 16% larger (8,760 vs 7,540 sqft)
    $1,575,359
  • 4618 Ingersoll St, Houston, TX 77027
    5,315 sqft | $404/sqft | built 2024 | 11% smaller (5,315 vs 5,976 sqft); Similar age (2024 vs 2025); Lot 11% larger (8,400 vs 7,540 sqft)
    $2,147,075
  • 4411 Ingersoll St, Houston, TX 77027
    5,448 sqft | $289/sqft | built 2013 | 9% smaller (5,448 vs 5,976 sqft); Similar lot size (6,900 vs 7,540 sqft); Same quality (Excellent)
    $1,573,000

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.

  • 4028 Essex Ln, Houston, TX 77027
    September-28-2026 | 5,651 sqft | $478/sqft | built 2016 | 5% size difference (5,651 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $2,700,000
  • 4211 Markham St, Houston, TX 77027
    August-6-2026 | 5,612 sqft | $508/sqft | built 2018 | 6% size difference (5,612 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $2,850,000
  • 4024 Chatham Ln, Houston, TX 77027
    July-10-2026 | 5,529 sqft | $506/sqft | built 2022 | 8% size difference (5,529 sqft); Similar age (2022); Sold after the valuation date
    $2,800,000
  • 4514 Devon St, Houston, TX 77027
    August-19-2026 | 5,149 sqft | $621/sqft | built 2026 | 14% size difference (5,149 sqft); Similar age (2026); Sold after the valuation date
    $3,200,000
  • 4534 Shetland Ln, Houston, TX 77027
    May-29-2026 | 5,545 sqft | $540/sqft | built 2026 | 7% size difference (5,545 sqft); Similar age (2026); Sold after the valuation date
    $2,995,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.