13209 Flagstone Ln, Dallas, TX 75240

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 75240 and Far North Dallas assessment pages.

Protest deadline

The 2026 protest deadline was May 15, 2026. The 2027 protest deadline is May 17, 2027. 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 September 27, 2026 against the official source.

Assessment snapshot

These public DCAD records highlight what may be worth checking before you file.

• Appraised value per square footThe current public record shows about $336 per square foot before any comparable-property adjustments.
• Nearby comparison areaThis page starts the equity review with public records for the Far North Dallas neighborhood and ZIP 75240.
• Neighborhood value signalAmong 336 residential records in the same neighborhood, the average appraised value is about $217 per square foot.

Public appraisal comparison for 2026. Prepared October 4, 2026. Appraisal source: Dallas Central Appraisal District. Sales data checked in this snapshot: October 2, 2026. Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.