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

901 DEER RUN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,792 sqftBuilt 1977

Property at a Glance

This home is estimated between $315,824 and $781,799, with a best estimate of $389,270. 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

$315,824 $781,799
Best Estimate
$389,270
WCAD Value
$395,213
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 $315,824 and $781,799. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

901 WALSH LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,989 sqft Built 1977
Raw Value $436,035
Adjusted Value $389,270

Adjusted -$46,765 for 197 sqft less living space. Net adjustment: -$46,765.

901 PENNY LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,343 sqft Built 1976
Raw Value $499,487
Adjusted Value $371,055

Adjusted -$130,799 for 551 sqft less living space and +$2,367 for being newer. Net adjustment: -$128,432.

901 LIME ROCK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,665 sqft Built 1977
Raw Value $485,434
Adjusted Value $515,582

Adjusted +$30,148 for 127 sqft more living space. Net adjustment: +$30,148.

707 LIME ROCK DR, ROUND ROCK, TX 78681
0.12 mi 99% similar Same subdivision
4 bed 2 bath 1,160 sqft Built 1977
Raw Value $631,772
Adjusted Value $781,799

Adjusted +$150,027 for 632 sqft more living space. Net adjustment: +$150,027.

3 bed 2 bath 1,851 sqft Built 1992
Raw Value $365,336
Adjusted Value $315,824

Adjusted -$14,006 for 59 sqft less living space and -$35,506 for being older. Net adjustment: -$49,512.

The Neighborhood

This home is valued 17.1% below the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.9% over the past year.

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

below average
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$395,213
Median
$476,515

This home is -17.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,111 across all districts. With a homestead exemption claimed, that drops to $5,788 — saving $1,323 per year. That's $482 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%$3,530
Round RockCity0.3720%$1,470
Williamson CountyCounty0.3694%$1,460
Austin Community Collegespecial0.1034%$409
Williamson County FM/RdCounty0.0443%$175
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,111

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $389,270 would pay approximately $2,430 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