Harris Value

821 Duff Ln, Houston, TX 77022

2,624 sqft, built 1949, in Northside / Northline Appraised at $176,545 for 2026.

Harris County account 0710370000020

Appraised value
$176,545
Tax year 2026 · after any cap, before exemptions
Market value
$358,391
Living area
2,624 sqft
$67 per sqft
Year built
1949
Low 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 77022 and Northside / Northline 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 10.0% from $160,496 in 2025 to $176,545 in 2026.
  • Appraised value per square footThe current public record shows about $67 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $181,846 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Northside / Northline neighborhood and ZIP 77022.
  • Neighborhood value signalAmong 1,463 residential records in the same neighborhood, the average appraised value is about $160 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.2% on average.

Comparable assessments

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

  • 705 Warner St, Houston, TX 77022
    2,521 sqft | $144/sqft | built 1954 | Similar size (2,521 vs 2,624 sqft); Similar age (1954 vs 1949); Similar lot size (17,500 vs 18,200 sqft)
    $362,445
  • 116 Feuhs Ln, Houston, TX 77022
    2,420 sqft | $114/sqft | built 1957 | 8% smaller (2,420 vs 2,624 sqft); Lot 11% larger (20,120 vs 18,200 sqft); Same quality (Low)
    $276,025
  • 7919 Roswell St, Houston, TX 77022
    2,518 sqft | $141/sqft | built 1945 | Similar size (2,518 vs 2,624 sqft); Similar age (1945 vs 1949); Same quality (Low)
    $356,132
  • 121 Rebecca St, Houston, TX 77022
    2,456 sqft | $117/sqft | built 1938 | 6% smaller (2,456 vs 2,624 sqft); Lot 19% larger (21,735 vs 18,200 sqft); Same quality (Low)
    $286,602
  • 1026 Knight St, Houston, TX 77022
    2,074 sqft | $135/sqft | built 1949 | Built same year (1949); Similar lot size (19,500 vs 18,200 sqft); Same quality (Low)
    $280,878

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.

  • 115 E Thornton Rd, Houston, TX 77022
    August-18-2026 | 2,754 sqft | $181/sqft | built 1960 | Similar size (2,754 sqft); Sold after the valuation date
    $499,000
  • 1003 Reid St, Houston, TX 77022
    June-8-2026 | 2,308 sqft | $184/sqft | built 1940 | 12% size difference (2,308 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $425,000
  • 605 Post St, Houston, TX 77022
    April-10-2026 | 2,387 sqft | $105/sqft | built 1945 | 9% size difference (2,387 sqft); Moderate age difference (4 years older)
    $250,000
  • 614 Nest Ln, Houston, TX 77022
    May-15-2026 | 1,990 sqft | $125/sqft | built 1955 | Moderate age difference (6 years newer); Sold after the valuation date
    $249,000

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.