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3575 ROCKIN J RD, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed1,945 sqftBuilt 1984

Property at a Glance

This home is estimated between $251,544 and $337,668, with a best estimate of $316,293. That places the property below the R20PR - Single Family Conversion-e Round Rock median of $1,136,221, in a neighborhood that appreciated 17.7% over the past year.

Estimated Value Range

$251,544 $337,668
Best Estimate
$316,293
WCAD Value
$788,646
Low Confidence

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

There are 5 comparable properties within range, but none are in R20PR - Single Family Conversion-e Round Rock. The estimated range of $251,544 and $337,668 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,965 sqft Built 2006
Raw Value $321,733
Adjusted Value $258,936

Adjusted -$4,829 for 20 sqft less living space and +$2,225 for being newer and -$60,193 for no garage. Net adjustment: -$62,797.

3 bed 2 bath 2,010 sqft Built 2005
Raw Value $325,308
Adjusted Value $251,544

Adjusted -$15,695 for 65 sqft less living space and +$2,124 for being newer and -$60,193 for no garage. Net adjustment: -$73,764.

3 bed 2 bath 1,653 sqft Built 2006
Raw Value $303,756
Adjusted Value $316,293

Adjusted +$70,505 for 292 sqft more living space and +$2,225 for being newer and -$60,193 for no garage. Net adjustment: +$12,537.

3 bed 2 bath 1,554 sqft Built 2006
Raw Value $292,297
Adjusted Value $328,738

Adjusted +$94,409 for 391 sqft more living space and +$2,225 for being newer and -$60,193 for no garage. Net adjustment: +$36,441.

3 bed 2 bath 1,512 sqft Built 2006
Raw Value $291,086
Adjusted Value $337,668

Adjusted +$104,550 for 433 sqft more living space and +$2,225 for being newer and -$60,193 for no garage. Net adjustment: +$46,582.

The Neighborhood

This home is valued 30.6% below the R20PR - Single Family Conversion-e Round Rock median of $1,136,221. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 17.7% over the past year.

R20PR - Single Family Conversion-e Round Rock

below average
6 Properties
$1,136,221 Median Value
+17.7% YoY Change
0% Have Pool
33% Have Garage
This Home
$788,646
Median
$1,136,221

This home is -30.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,190 across all districts. With a homestead exemption claimed, that drops to $12,794 — saving $1,396 per year. That's $1,066 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%$7,043
Round RockCity0.3720%$2,934
Williamson CountyCounty0.3694%$2,914
Austin Community Collegespecial0.1034%$815
Williamson County FM/RdCounty0.0443%$350
Upper Brushy Creek WCIDWater0.0170%$134
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$14,190

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $316,293 would pay approximately $1,974 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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