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

1305 KNOLLWOOD CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,055 sqftBuilt 1976

Property at a Glance

This home is estimated between $436,336 and $667,140, with a best estimate of $469,806. That places the property below the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515, in a neighborhood that declined 5.9% over the past year.

Estimated Value Range

$436,336 $667,140
Best Estimate
$469,806
WCAD Value
$474,261
High Confidence

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

Based on 5 comparable properties in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK, this home's estimated market value is between $436,336 and $667,140. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1304 KNOLLWOOD CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,713 sqft Built 1976
Raw Value $430,951
Adjusted Value $512,136

Adjusted +$81,185 for 342 sqft more living space. Net adjustment: +$81,185.

1307 KNOLLWOOD CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,734 sqft Built 1976
Raw Value $590,940
Adjusted Value $667,140

Adjusted +$76,200 for 321 sqft more living space. Net adjustment: +$76,200.

1306 KNOLLWOOD CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,975 sqft Built 1976
Raw Value $428,084
Adjusted Value $447,075

Adjusted +$18,991 for 80 sqft more living space. Net adjustment: +$18,991.

1303 KNOLLWOOD CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,277 sqft Built 1976
Raw Value $489,035
Adjusted Value $436,336

Adjusted -$52,699 for 222 sqft less living space. Net adjustment: -$52,699.

705 DEER RUN, ROUND ROCK, TX 78681
0.15 mi 100% similar Same subdivision
4 bed 2 bath 1,901 sqft Built 1977
Raw Value $435,616
Adjusted Value $469,806

Adjusted +$36,557 for 154 sqft more living space and -$2,367 for being older. Net adjustment: +$34,190.

The Neighborhood

This home is in line with the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. Note that values in this subdivision declined 5.9% over the past year.

R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK

typical
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$474,261
Median
$476,515

This home is -0.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,533 across all districts. With a homestead exemption claimed, that drops to $7,195 — saving $1,338 per year. That's $600 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%$4,236
Round RockCity0.3720%$1,764
Williamson CountyCounty0.3694%$1,752
Austin Community Collegespecial0.1034%$490
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,533

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $469,806 would pay approximately $2,933 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 4/19/2026.

View full property details