Collin Value

1277 Porter St, Allen, TX 75013

3,021 sqft, built 2025, in Twin Creeks Watters. Appraised at $648,645 for 2026.

Collin County account 2865314

In line with similar homes

8 similar homes nearby support a value within $100 of yours.

Appraised value$648,645
Similar homes$648,638
$7 gap: no meaningful difference · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Appraised value
$648,645
Tax year 2026
Living area
3,021 sqft
$215 per sqft
Year built
2025
Homestead
Yes
Owner-occupied exemption on file

What we found

Unequal assessment

Weak

2 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $214.71/sqft, which supports a value of $648,638.

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 75013 and Twin Creeks Watters 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 CCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value changed from $75,000 in 2025 to $648,645 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 $215 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Twin Creeks Watters neighborhood and ZIP 75013.
  • Neighborhood value signalAmong 56 residential records in the same neighborhood, the average appraised value is about $222 per square foot.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

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.

  • 1112 Sewanee Dr, Allen, TX 75013
    September-10-2026 | 3,160 sqft | $250/sqft | built 2019 | Similar size (3,160 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $790,000
  • 1000 Rebecca Dr, Allen, TX 75013
    September-14-2026 | 2,822 sqft | $239/sqft | built 2021 | 7% size difference (2,822 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $675,000
  • 1034 Splitrock Dr, Allen, TX 75013
    October-7-2026 | 2,688 sqft | $204/sqft | built 2026 | 11% size difference (2,688 sqft); Similar age (2026); Sold after the valuation date
    $547,800
  • 539 Farrell Ln, Allen, TX 75013
    July-30-2026 | 2,905 sqft | $241/sqft | built 2021 | Similar size (2,905 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $699,000
  • 1008 Natalie Ct, Allen, TX 75013
    July-28-2026 | 3,040 sqft | $230/sqft | built 2016 | Similar size (3,040 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $699,500

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

Value history

Up 764.9% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$648,645+$573,645+764.9%
2025$75,000+$24,600+48.8%
2024$50,400——
2-year total+$598,245+1187.0%