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

ROUND ROCK, 78665 — williamson County

3 bed10,063 sqftBuilt 1984

Property at a Glance

This home is estimated between $1,050,787 and $2,123,622, with a best estimate of $1,569,061. That places the property below the R20SG - Service Garage-e Round Rock median of $1,591,602, in a neighborhood that appreciated 40.6% over the past year.

Estimated Value Range

$1,050,787 $2,123,622
Best Estimate
$1,569,061
WCAD Value
$1,332,281
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R20SG - Service Garage-e Round Rock. The estimated range of $1,050,787 and $2,123,622 should be treated as a rough guide.

Comparable Properties (5)

KIPHEN RD, ROUND ROCK, TX 78665
0.19 mi 90% similar
3 bed 10,550 sqft Built 1985
Raw Value $1,337,570
Adjusted Value $1,220,083

Adjusted -$117,588 for 487 sqft less living space and +$101 for being newer. Net adjustment: -$117,487.

3 bed 8,000 sqft Built 1986
Raw Value $1,070,738
Adjusted Value $1,569,061

Adjusted +$498,121 for 2,063 sqft more living space and +$202 for being newer. Net adjustment: +$498,323.

3 bed 13,500 sqft Built 1980
Raw Value $1,881,071
Adjusted Value $1,050,787

Adjusted -$829,879 for 3,437 sqft less living space and -$405 for being older. Net adjustment: -$830,284.

4 bed 3 bath 5,296 sqft Built 1980
Raw Value $876,512
Adjusted Value $1,966,928

Adjusted +$1,151,014 for 4,767 sqft more living space and -$405 for being older and -$60,193 for no garage. Net adjustment: +$1,090,416.

3 bed 2 bath 3,930 sqft Built 1977
Raw Value $703,682
Adjusted Value $2,123,622

Adjusted +$1,480,841 for 6,133 sqft more living space and -$708 for being older and -$60,193 for no garage. Net adjustment: +$1,419,940.

The Neighborhood

This home is valued 16.3% below the R20SG - Service Garage-e Round Rock median of $1,591,602. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 40.6% over the past year.

R20SG - Service Garage-e Round Rock

below average
8 Properties
$1,591,602 Median Value
+40.6% YoY Change
0% Have Pool
0% Have Garage
This Home
$1,332,281
Median
$1,591,602

This home is -16.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $15,577 across all districts. With a homestead exemption claimed, that drops to $14,139 — saving $1,438 per year. That's $1,178 per month a buyer should budget. The assessed value increased +56.7% vs the subdivision average of +40.6%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$9,110
Williamson CountyCounty0.3694%$3,768
Austin Community Collegespecial0.1034%$1,055
Williamson County ESD #9 - Round RockESD0.0999%$1,019
Williamson County FM/RdCounty0.0443%$452
Upper Brushy Creek WCIDWater0.0170%$173
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$15,577
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,569,061 would pay approximately $9,794 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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