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3864 ASHBURY RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,745 sqftBuilt 2015

Property at a Glance

This home is estimated between $341,466 and $530,147, with a best estimate of $492,516. That places the property below the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$341,466 $530,147
Best Estimate
$492,516
WCAD Value
$565,695
High Confidence

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

Based on 5 comparable properties in G799514C - MAYFIELD RANCH, this home's estimated market value is between $341,466 and $530,147. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4582 POST LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,023 sqft Built 2021
Raw Value $602,729
Adjusted Value $530,147

Adjusted -$61,625 for 278 sqft less living space and -$10,957 for being older. Net adjustment: -$72,582.

3832 ASHBURY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,144 sqft Built 2016
Raw Value $582,790
Adjusted Value $492,516

Adjusted -$88,448 for 399 sqft less living space and -$1,826 for being older. Net adjustment: -$90,274.

3820 ASHBURY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,871 sqft Built 2015
Raw Value $591,070
Adjusted Value $341,466

Adjusted -$249,604 for 1,126 sqft less living space. Net adjustment: -$249,604.

4613 POST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,162 sqft Built 2020
Raw Value $469,641
Adjusted Value $368,073

Adjusted -$92,438 for 417 sqft less living space and -$9,130 for being older. Net adjustment: -$101,568.

4504 POST LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,980 sqft Built 2020
Raw Value $576,417
Adjusted Value $515,194

Adjusted -$52,093 for 235 sqft less living space and -$9,130 for being older. Net adjustment: -$61,223.

The Neighborhood

This home is valued 8.1% above the G799514C - MAYFIELD RANCH median of $523,371. With 1,093 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$565,695
Median
$523,371

This home is +8.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,689 across all districts. With a homestead exemption claimed, that drops to $10,114 — saving $1,575 per year. That's $843 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
Georgetown ISDSchool1.0506%$5,943
Highlands at Mayfield Ranch MUDMUD0.4850%$2,744
Williamson CountyCounty0.3694%$2,090
Williamson County ESD #9 - Round RockESD0.0999%$565
Williamson County FM/RdCounty0.0443%$251
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$11,689

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $492,516 would pay approximately $3,074 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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