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3112 N A W GRIMES BLVD, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath3,930 sqftBuilt 1977

Property at a Glance

This home is estimated between $742,087 and $961,302, with a best estimate of $864,945. That places the property above the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322, in a neighborhood that declined 11.1% over the past year.

Estimated Value Range

$742,087 $961,302
Best Estimate
$864,945
WCAD Value
$703,682
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs. The estimated range of $742,087 and $961,302 should be treated as a rough guide.

Comparable Properties (5)

2506 KIPHEN RD, ROUND ROCK, TX 78665
0.19 mi 100% similar Same subdivision
3 bed 2 bath 2,769 sqft Built 1978
Raw Value $511,034
Adjusted Value $888,974

Adjusted +$381,780 for 1,161 sqft more living space and -$3,840 for being older. Net adjustment: +$377,940.

3 bed 2 bath 2,745 sqft Built 2011
Raw Value $482,965
Adjusted Value $742,087

Adjusted +$389,672 for 1,185 sqft more living space and -$130,550 for being older. Net adjustment: +$259,122.

3 bed 2 bath 2,343 sqft Built 2010
Raw Value $443,206
Adjusted Value $838,359

Adjusted +$521,864 for 1,587 sqft more living space and -$126,711 for being older. Net adjustment: +$395,153.

3 bed 2 bath 2,098 sqft Built 2007
Raw Value $377,707
Adjusted Value $864,945

Adjusted +$602,429 for 1,832 sqft more living space and -$115,191 for being older. Net adjustment: +$487,238.

3 bed 2 bath 1,836 sqft Built 2003
Raw Value $372,551
Adjusted Value $961,302

Adjusted +$688,584 for 2,094 sqft more living space and -$99,833 for being older. Net adjustment: +$588,751.

The Neighborhood

This home is valued 18.4% above the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322. With 82 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 11.1% over the past year.

R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs

above average
82 Properties
$594,322 Median Value
-11.1% YoY Change
1% Have Pool
43% Have Garage
This Home
$703,682
Median
$594,322

This home is +18.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,634 across all districts. With a homestead exemption claimed, that drops to $7,279 — saving $1,355 per year. That's $607 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%$5,049
Williamson CountyCounty0.3694%$2,089
Austin Community Collegespecial0.1034%$585
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 Tax1.5272%$8,634

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $864,945 would pay approximately $5,399 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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