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8813 CAINWOOD LN, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed4 bath2,135 sqftBuilt 1983

Property at a Glance

This home is estimated between $421,000 and $819,282, with a best estimate of $598,719. That places the property above the R371X - Round Rock West Below 45 - Duplex median of $419,343, in a neighborhood that declined 8.8% over the past year.

Estimated Value Range

$421,000 $819,282
Best Estimate
$598,719
WCAD Value
$426,423
Low Confidence

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

There are 5 comparable properties within range, but none are in R371X - Round Rock West Below 45 - Duplex. The estimated range of $421,000 and $819,282 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,023 sqft Built 1995
Raw Value $624,719
Adjusted Value $598,719

Adjusted +$23,599 for 112 sqft more living space and -$49,599 for being older. Net adjustment: -$26,000.

4 bed 2 bath 2,031 sqft Built 1996
Raw Value $509,694
Adjusted Value $477,876

Adjusted +$21,914 for 104 sqft more living space and -$53,732 for being older. Net adjustment: -$31,818.

4 bed 3 bath 2,293 sqft Built 2005
Raw Value $771,963
Adjusted Value $647,739

Adjusted -$33,292 for 158 sqft less living space and -$90,932 for being older. Net adjustment: -$124,224.

4 bed 3 bath 2,327 sqft Built 2004
Raw Value $946,537
Adjusted Value $819,282

Adjusted -$40,456 for 192 sqft less living space and -$86,799 for being older. Net adjustment: -$127,255.

4 bed 2 bath 2,360 sqft Built 1995
Raw Value $518,008
Adjusted Value $421,000

Adjusted -$47,409 for 225 sqft less living space and -$49,599 for being older. Net adjustment: -$97,008.

The Neighborhood

This home is valued 1.7% above the R371X - Round Rock West Below 45 - Duplex median of $419,343. With 462 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.8% over the past year.

R371X - Round Rock West Below 45 - Duplex

typical
462 Properties
$419,343 Median Value
-8.8% YoY Change
0% Have Pool
94% Have Garage
This Home
$426,423
Median
$419,343

This home is +1.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,321 across all districts. With a homestead exemption claimed, that drops to $6,545 — saving $1,776 per year. That's $545 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%$3,808
AustinCity0.5240%$2,235
Williamson CountyCounty0.3694%$1,575
Austin Community Collegespecial0.1034%$441
Williamson County FM/RdCounty0.0443%$189
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$8,321

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $598,719 would pay approximately $3,737 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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