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

1204 ASH TREE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,097 sqftBuilt 2006

Property at a Glance

This home is estimated between $497,173 and $1,047,680, with a best estimate of $499,310. That places the property below the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$497,173 $1,047,680
Best Estimate
$499,310
WCAD Value
$637,985
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R420606C - TERAVISTA R5. The estimated range of $497,173 and $1,047,680 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 3,031 sqft Built 2010
Raw Value $505,645
Adjusted Value $499,310

Adjusted +$19,097 for 66 sqft more living space and -$25,432 for being older. Net adjustment: -$6,335.

1203 ASH TREE CT, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,974 sqft Built 2014
Raw Value $773,609
Adjusted Value $1,047,680

Adjusted +$324,935 for 1,123 sqft more living space and -$50,864 for being older. Net adjustment: +$274,071.

4 bed 3 bath 2,361 sqft Built 2008
Raw Value $676,092
Adjusted Value $876,334

Adjusted +$212,958 for 736 sqft more living space and -$12,716 for being older. Net adjustment: +$200,242.

4 bed 3 bath 2,691 sqft Built 2019
Raw Value $462,353
Adjusted Value $497,173

Adjusted +$117,474 for 406 sqft more living space and -$82,654 for being older. Net adjustment: +$34,820.

3 bed 2 bath 3,071 sqft Built 2009
Raw Value $509,008
Adjusted Value $497,457

Adjusted +$7,523 for 26 sqft more living space and -$19,074 for being older. Net adjustment: -$11,551.

The Neighborhood

This home is valued 1.3% below the R420606C - TERAVISTA R5 median of $646,108. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 2.5% over the past year.

R420606C - TERAVISTA R5

typical
622 Properties
$646,108 Median Value
+2.5% YoY Change
1% Have Pool
99% Have Garage
This Home
$637,985
Median
$646,108

This home is -1.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,004 across all districts. With a homestead exemption claimed, that drops to $10,638 — saving $1,366 per year. That's $887 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%$5,599
Williamson County MUD #10MUD0.3875%$2,429
Williamson CountyCounty0.3694%$2,316
Austin Community Collegespecial0.1034%$648
Williamson County ESD #9 - Round RockESD0.0999%$626
Williamson County FM/RdCounty0.0443%$278
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$12,004

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $499,310 would pay approximately $3,117 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