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13501 RESEARCH BLVD, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed420 sqftBuilt 1997

Property at a Glance

This home is estimated between $192,300 and $243,154, with a best estimate of $213,886.

Estimated Value Range

$192,300 $243,154
Best Estimate
$213,886
WCAD Value
$1,735,317
Low Confidence

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

There are 5 comparable properties within range, but none are in R45SG - Service Garage-lakeline Area. The estimated range of $192,300 and $243,154 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 732 sqft Built 1986
Raw Value $330,150
Adjusted Value $193,510

Adjusted -$75,334 for 312 sqft less living space and -$1,113 for being older and -$60,193 for no garage. Net adjustment: -$136,640.

3 bed 2 bath 839 sqft Built 1986
Raw Value $389,545
Adjusted Value $227,070

Adjusted -$101,169 for 419 sqft less living space and -$1,113 for being older and -$60,193 for no garage. Net adjustment: -$162,475.

4 bed 2 bath 1,005 sqft Built 1996
Raw Value $444,699
Adjusted Value $243,154

Adjusted -$141,251 for 585 sqft less living space and -$101 for being older and -$60,193 for no garage. Net adjustment: -$201,545.

4 bed 2 bath 1,254 sqft Built 1996
Raw Value $453,967
Adjusted Value $192,300

Adjusted -$201,373 for 834 sqft less living space and -$101 for being older and -$60,193 for no garage. Net adjustment: -$261,667.

4 bed 2 bath 1,254 sqft Built 1996
Raw Value $475,553
Adjusted Value $213,886

Adjusted -$201,373 for 834 sqft less living space and -$101 for being older and -$60,193 for no garage. Net adjustment: -$261,667.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $33,861 across all districts. With a homestead exemption claimed, that drops to $30,472 — saving $3,389 per year. That's $2,539 per month a buyer should budget. The assessed value increased +4.9%. This increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$15,498
AustinCity0.5240%$9,093
Williamson CountyCounty0.3694%$6,411
Austin Community Collegespecial0.1034%$1,794
Williamson County FM/RdCounty0.0443%$769
Upper Brushy Creek WCIDWater0.0170%$295
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$33,861
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $213,886 would pay approximately $1,335 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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