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4336 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,833 sqftBuilt 2021

Property at a Glance

This home is estimated between $400,134 and $561,516, with a best estimate of $427,124. 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

$400,134 $561,516
Best Estimate
$427,124
WCAD Value
$528,936
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 $400,134 and $561,516. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4317 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,173 sqft Built 2021
Raw Value $533,685
Adjusted Value $458,316

Adjusted -$75,369 for 340 sqft less living space. Net adjustment: -$75,369.

4348 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,962 sqft Built 2020
Raw Value $434,891
Adjusted Value $408,121

Adjusted -$28,596 for 129 sqft less living space and +$1,826 for being newer. Net adjustment: -$26,770.

4340 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,756 sqft Built 2021
Raw Value $410,055
Adjusted Value $427,124

Adjusted +$17,069 for 77 sqft more living space. Net adjustment: +$17,069.

4323 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,181 sqft Built 2021
Raw Value $477,276
Adjusted Value $400,134

Adjusted -$77,142 for 348 sqft less living space. Net adjustment: -$77,142.

4352 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,004 sqft Built 2020
Raw Value $597,596
Adjusted Value $561,516

Adjusted -$37,906 for 171 sqft less living space and +$1,826 for being newer. Net adjustment: -$36,080.

The Neighborhood

This home is valued 1.1% 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
$528,936
Median
$523,371

This home is +1.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,929 across all districts. With a homestead exemption claimed, that drops to $9,361 — saving $1,568 per year. That's $780 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%$5,557
Highlands at Mayfield Ranch MUDMUD0.4850%$2,565
Williamson CountyCounty0.3694%$1,954
Williamson County ESD #9 - Round RockESD0.0999%$528
Williamson County FM/RdCounty0.0443%$234
Upper Brushy Creek WCIDWater0.0170%$90
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$10,929

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $427,124 would pay approximately $2,666 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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