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4427 HANNOVER WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed4 bath1,880 sqftBuilt 2021

Property at a Glance

This home is estimated between $391,123 and $569,556, with a best estimate of $520,353. 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

$391,123 $569,556
Best Estimate
$520,353
WCAD Value
$436,035
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 $391,123 and $569,556. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4311 HANNOVER WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,487 sqft Built 2019
Raw Value $651,257
Adjusted Value $520,353

Adjusted -$134,556 for 607 sqft less living space and +$3,652 for being newer. Net adjustment: -$130,904.

4391 HANNOVER WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,020 sqft Built 2021
Raw Value $600,590
Adjusted Value $569,556

Adjusted -$31,034 for 140 sqft less living space. Net adjustment: -$31,034.

4232 HANNOVER WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,290 sqft Built 2018
Raw Value $621,054
Adjusted Value $535,646

Adjusted -$90,886 for 410 sqft less living space and +$5,478 for being newer. Net adjustment: -$85,408.

4411 HANNOVER WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,309 sqft Built 2021
Raw Value $486,221
Adjusted Value $391,123

Adjusted -$95,098 for 429 sqft less living space. Net adjustment: -$95,098.

4415 HANNOVER WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,142 sqft Built 2021
Raw Value $467,986
Adjusted Value $409,908

Adjusted -$58,078 for 262 sqft less living space. Net adjustment: -$58,078.

The Neighborhood

This home is valued 16.7% below the G799514C - MAYFIELD RANCH median of $523,371. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

below average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$436,035
Median
$523,371

This home is -16.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,010 across all districts. With a homestead exemption claimed, that drops to $7,458 — saving $1,552 per year. That's $622 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%$4,581
Highlands at Mayfield Ranch MUDMUD0.4850%$2,115
Williamson CountyCounty0.3694%$1,611
Williamson County ESD #9 - Round RockESD0.0999%$436
Williamson County FM/RdCounty0.0443%$193
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,010

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $520,353 would pay approximately $3,248 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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