15206 Nightingale Ln, TX 78734

2 bathrooms, 2,384 sqft, built 2005, in Lake Oaks Estates Appraised at $645,646 for 2026.

Travis County account 000000139663

Appraised value

$645,646

Tax year 2026 · after any cap, before exemptions

Living area

2,384 sqft

$271 per sqft

Year built

2005

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 78734, Lake Oaks Estates, and Lake Oaks Estates 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 TCAD records highlight what may be worth checking before you file.

Assessment changeThe appraised value increased 3.0% from $626,789 in 2025 to $645,646 in 2026.
Appraised value per square footThe current public record shows about $271 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for the Lake Oaks Estates neighborhood and ZIP 78734.
Neighborhood value signalAmong 271 residential records in the same neighborhood, the average appraised value is about $272 per square foot.
Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

15208 Nightingale Ln, Austin, TX 78734
2,494 sqft | $290/sqft | built 2005 | Similar size (2,494 vs 2,384 sqft); Built same year (2005); Similar lot size (40,096 vs 43,590 sqft)
$723,434
321 S Flamingo Dr, TX 78734
2,635 sqft | $255/sqft | built 2001 | 10% larger (2,635 vs 2,384 sqft); Similar age (2001 vs 2005); Lot 11% smaller (38,920 vs 43,590 sqft)
$672,225
15101 S Flamingo Dr, Austin, TX 78734
2,319 sqft | $288/sqft | built 1996 | Similar size (2,319 vs 2,384 sqft); Same neighborhood
$667,111
403 Heron Dr, Austin, TX 78734
2,200 sqft | $284/sqft | built 1997 | 8% smaller (2,200 vs 2,384 sqft); Same neighborhood
$625,096

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.

15208 Nightingale Ln, Austin, TX 78734
June-26-2026 | 2,494 sqft | $321/sqft | built 2005 | Similar size (2,494 sqft); Similar age (2005); Sold after the valuation date
$799,888
15030 Broken Bow Trl, Austin, TX 78734
September-17-2026 | 2,439 sqft | $338/sqft | built 2018 | Similar size (2,439 sqft); Sold after the valuation date
$825,000
101 N Meadowlark St, Lakeway, TX 78734
July-30-2026 | 2,286 sqft | $214/sqft | built 2005 | Similar size (2,286 sqft); Similar age (2005); Sold after the valuation date
$490,000
15406 Joseph Dr, Austin, TX 78734
August-21-2026 | 2,583 sqft | $226/sqft | built 2006 | 8% size difference (2,583 sqft); Similar age (2006); Sold after the valuation date
$585,000
15040 Broken Bow Trl, Austin, TX 78734
September-14-2026 | 2,507 sqft | $329/sqft | built 2016 | 5% size difference (2,507 sqft); Sold after the valuation date
$824,990

Public appraisal comparison for 2026. Prepared September 29, 2026. Appraisal source: Travis Central Appraisal District. Sales data checked in this snapshot: September 25, 2026. Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.