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

3109 QUAIL RUN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,115 sqftBuilt 2005

Property at a Glance

This home is estimated between $582,612 and $981,261, with a best estimate of $639,416. That places the property below the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$582,612 $981,261
Best Estimate
$639,416
WCAD Value
$1,010,098
High Confidence

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

Based on 5 comparable properties in R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5, this home's estimated market value is between $582,612 and $981,261. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3007 QUAIL RUN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,861 sqft Built 2005
Raw Value $884,524
Adjusted Value $608,526

Adjusted -$275,998 for 746 sqft less living space. Net adjustment: -$275,998.

3111 QUAIL RUN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,400 sqft Built 2005
Raw Value $744,858
Adjusted Value $639,416

Adjusted -$105,442 for 285 sqft less living space. Net adjustment: -$105,442.

3009 QUAIL RUN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,760 sqft Built 2005
Raw Value $795,208
Adjusted Value $926,548

Adjusted +$131,340 for 355 sqft more living space. Net adjustment: +$131,340.

3010 QUAIL RUN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,598 sqft Built 2006
Raw Value $787,226
Adjusted Value $981,261

Adjusted +$191,275 for 517 sqft more living space and +$2,760 for being newer. Net adjustment: +$194,035.

3107 QUAIL RUN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,804 sqft Built 2007
Raw Value $832,001
Adjusted Value $582,612

Adjusted -$254,910 for 689 sqft less living space and +$5,521 for being newer. Net adjustment: -$249,389.

The Neighborhood

This home is valued 34.7% above the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158. With 1,049 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.

R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5

above average
1,049 Properties
$750,158 Median Value
+0.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$1,010,098
Median
$750,158

This home is +34.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,332 across all districts. With a homestead exemption claimed, that drops to $15,922 — saving $1,410 per year. That's $1,327 per month a buyer should budget. The assessed value increased +4.6% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,724
Brushy Creek MUDMUD0.3868%$3,345
Williamson CountyCounty0.3694%$3,195
Austin Community Collegespecial0.1034%$894
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$865
Brushy Creek MUD Defined AreaMUD0.0900%$778
Williamson County FM/RdCounty0.0443%$383
Upper Brushy Creek WCIDWater0.0170%$147
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$17,332
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $639,416 would pay approximately $3,991 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.

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