Beta Williamson County, TX only — data and coverage are limited during early access.

4305 ADAGIO PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,477 sqftBuilt 2009

Property at a Glance

This home is estimated between $577,340 and $979,060, with a best estimate of $774,549. That places the property above the R101506D - Sendero Springs Sec 4,5 East of SS Dr. median of $692,215, in a neighborhood that appreciated 3.8% over the past year.

Estimated Value Range

$577,340 $979,060
Best Estimate
$774,549
WCAD Value
$670,678
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R101506D - Sendero Springs Sec 4,5 East of SS Dr., this home's estimated market value is between $577,340 and $979,060. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4204 ADAGIO PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,780 sqft Built 2007
Raw Value $728,366
Adjusted Value $979,060

Adjusted +$257,085 for 697 sqft more living space and -$6,391 for being older. Net adjustment: +$250,694.

4308 ADAGIO PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,069 sqft Built 2008
Raw Value $627,256
Adjusted Value $774,549

Adjusted +$150,489 for 408 sqft more living space and -$3,196 for being older. Net adjustment: +$147,293.

4205 ADAGIO PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,120 sqft Built 2006
Raw Value $589,605
Adjusted Value $711,696

Adjusted +$131,678 for 357 sqft more living space and -$9,587 for being older. Net adjustment: +$122,091.

4229 ADAGIO PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,882 sqft Built 2007
Raw Value $733,113
Adjusted Value $577,340

Adjusted -$149,382 for 405 sqft less living space and -$6,391 for being older. Net adjustment: -$155,773.

4213 ADAGIO PL, ROUND ROCK, TX 78681
0.00 mi 97% similar Same subdivision
4 bed 3 bath 1,877 sqft Built 2006
Raw Value $689,410
Adjusted Value $901,130

Adjusted +$221,307 for 600 sqft more living space and -$9,587 for being older. Net adjustment: +$211,720.

The Neighborhood

This home is valued 3.1% below the R101506D - Sendero Springs Sec 4,5 East of SS Dr. median of $692,215. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.8% over the past year.

R101506D - Sendero Springs Sec 4,5 East of SS Dr.

typical
299 Properties
$692,215 Median Value
+3.8% YoY Change
0% Have Pool
97% Have Garage
This Home
$670,678
Median
$692,215

This home is -3.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,130 across all districts. With a homestead exemption claimed, that drops to $11,759 — saving $1,371 per year. That's $980 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,851
Brushy Creek MUDMUD0.3868%$2,534
Williamson CountyCounty0.3694%$2,421
Austin Community Collegespecial0.1034%$677
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$655
Brushy Creek MUD Defined AreaMUD0.0900%$590
Williamson County FM/RdCounty0.0443%$290
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$13,130

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $774,549 would pay approximately $4,835 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details