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

802 THISTLE MOUND CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,580 sqftBuilt 1999

Property at a Glance

This home is estimated between $470,987 and $717,863, with a best estimate of $597,498. That places the property below the R500697C - Forest Ridge, Big Lots median of $749,173, in a neighborhood that appreciated 3.7% over the past year.

Estimated Value Range

$470,987 $717,863
Best Estimate
$597,498
WCAD Value
$699,082
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $470,987 and $717,863. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

805 THISTLE MOUND CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,506 sqft Built 1995
Raw Value $801,319
Adjusted Value $481,639

Adjusted -$301,568 for 926 sqft less living space and -$18,112 for being older. Net adjustment: -$319,680.

803 THISTLE MOUND CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,534 sqft Built 1996
Raw Value $716,466
Adjusted Value $717,863

Adjusted +$14,981 for 46 sqft more living space and -$13,584 for being older. Net adjustment: +$1,397.

804 THISTLE MOUND CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,106 sqft Built 1999
Raw Value $855,754
Adjusted Value $684,453

Adjusted -$171,301 for 526 sqft less living space. Net adjustment: -$171,301.

4 bed 3 bath 1,419 sqft Built 2004
Raw Value $522,426
Adjusted Value $597,498

Adjusted +$52,432 for 161 sqft more living space and +$22,640 for being newer. Net adjustment: +$75,072.

800 THISTLE MOUND CV, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 2 bath 2,296 sqft Built 1998
Raw Value $708,693
Adjusted Value $470,987

Adjusted -$233,178 for 716 sqft less living space and -$4,528 for being older. Net adjustment: -$237,706.

The Neighborhood

This home is valued 6.7% below the R500697C - Forest Ridge, Big Lots median of $749,173. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.7% over the past year.

R500697C - Forest Ridge, Big Lots

typical
135 Properties
$749,173 Median Value
+3.7% YoY Change
3% Have Pool
90% Have Garage
This Home
$699,082
Median
$749,173

This home is -6.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,578 across all districts. With a homestead exemption claimed, that drops to $11,199 — saving $1,379 per year. That's $933 per month a buyer should budget. The assessed value increased +7.0% vs the subdivision average of +3.7%. 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%$6,244
Round RockCity0.3720%$2,601
Williamson CountyCounty0.3694%$2,583
Austin Community Collegespecial0.1034%$723
Williamson County FM/RdCounty0.0443%$310
Upper Brushy Creek WCIDWater0.0170%$119
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,578
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $597,498 would pay approximately $3,730 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