Collin Value

4200 Los Robles Dr, Plano, TX 75074

1,927 sqft, built 1978, in Los Rios Addition Phase 5. Appraised at $426,120 for 2026.

Collin County account 126508

Likely too high

about $26,000

8 similar homes nearby point to a value about $26,000 lower than yours.

Appraised value$426,120
Similar homes$400,199
$25,921 gap · bars start at $0

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

Appraised value
$426,120
Tax year 2026
Living area
1,927 sqft
$221 per sqft
Year built
1978

Why we think so

Unequal assessment

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $207.68/sqft, which supports a value of $400,199.

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 75074 and Los Rios Addition Phase 5 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 increased 2.5% from $415,718 in 2025 to $426,120 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 Los Rios Addition Phase 5 neighborhood and ZIP 75074.
  • Neighborhood value signalAmong 492 residential records in the same neighborhood, the average appraised value is about $195 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.9% on average.

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.

  • 2401 Maverick Dr, Plano, TX 75074
    August-31-2026 | 1,921 sqft | $221/sqft | built 1985 | Similar size (1,921 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $425,000
  • 1528 Estrella Dr, Plano, TX 75074
    October-5-2026 | 2,000 sqft | $212/sqft | built 1985 | Similar size (2,000 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $425,000
  • 3310 Raintree Dr, Plano, TX 75074
    September-18-2026 | 2,020 sqft | $197/sqft | built 1975 | Similar size (2,020 sqft); Similar age (1975); Sold after the valuation date
    $398,200
  • 2108 Briarcreek Ln, Plano, TX 75074
    September-4-2026 | 1,891 sqft | $211/sqft | built 1968 | Similar size (1,891 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $399,900
  • 3004 Duchess Trl, Plano, TX 75074
    September-16-2026 | 1,737 sqft | $173/sqft | built 1978 | 10% size difference (1,737 sqft); Similar age (1978); Sold after the valuation date
    $299,900

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 2.5% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$426,120+$10,402+2.5%
2025$415,718−$6,783−1.6%
2024$422,501+$16,699+4.1%
2023$405,802+$59,129+17.1%
2022$346,673+$58,804+20.4%
2021$287,869+$66,434+30.0%
2020$221,435——
6-year total+$204,685+92.4%