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4379 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,004 sqftBuilt 2021

Property at a Glance

This home is estimated between $438,040 and $599,422, with a best estimate of $465,030. 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

$438,040 $599,422
Best Estimate
$465,030
WCAD Value
$599,625
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 $438,040 and $599,422. 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 $496,222

Adjusted -$37,463 for 169 sqft less living space. Net adjustment: -$37,463.

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 $446,027

Adjusted +$9,310 for 42 sqft more living space and +$1,826 for being newer. Net adjustment: +$11,136.

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 $465,030

Adjusted +$54,975 for 248 sqft more living space. Net adjustment: +$54,975.

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 $438,040

Adjusted -$39,236 for 177 sqft less living space. Net adjustment: -$39,236.

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 $599,422

Adjusted +$1,826 for being newer. Net adjustment: +$1,826.

The Neighborhood

This home is valued 14.6% 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
$599,625
Median
$523,371

This home is +14.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,119 across all districts. With a homestead exemption claimed, that drops to $10,539 — saving $1,580 per year. That's $878 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%$6,162
Highlands at Mayfield Ranch MUDMUD0.4850%$2,844
Williamson CountyCounty0.3694%$2,167
Williamson County ESD #9 - Round RockESD0.0999%$586
Williamson County FM/RdCounty0.0443%$260
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$12,119

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $465,030 would pay approximately $2,903 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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