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10040 LACHLAN DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,574 sqftBuilt 1996

Property at a Glance

This home is estimated between $345,147 and $596,228, with a best estimate of $542,753. That places the property below the R203597D - Davis Springs, All Sections median of $592,479, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$345,147 $596,228
Best Estimate
$542,753
WCAD Value
$713,685
High Confidence

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

Based on 5 comparable properties in R203597D - Davis Springs, All Sections, this home's estimated market value is between $345,147 and $596,228. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10044 LACHLAN DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,002 sqft Built 1997
Raw Value $596,013
Adjusted Value $452,076

Adjusted -$141,319 for 428 sqft less living space and -$2,618 for being older. Net adjustment: -$143,937.

10036 LACHLAN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,544 sqft Built 1996
Raw Value $586,322
Adjusted Value $596,228

Adjusted +$9,906 for 30 sqft more living space. Net adjustment: +$9,906.

10205 CASSANDRA DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,840 sqft Built 1998
Raw Value $654,944
Adjusted Value $561,878

Adjusted -$87,829 for 266 sqft less living space and -$5,237 for being older. Net adjustment: -$93,066.

10100 LACHLAN DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,086 sqft Built 1995
Raw Value $511,584
Adjusted Value $345,147

Adjusted -$169,055 for 512 sqft less living space and +$2,618 for being newer. Net adjustment: -$166,437.

10213 CASSANDRA DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,761 sqft Built 1998
Raw Value $609,735
Adjusted Value $542,753

Adjusted -$61,745 for 187 sqft less living space and -$5,237 for being older. Net adjustment: -$66,982.

The Neighborhood

This home is valued 20.5% above the R203597D - Davis Springs, All Sections median of $592,479. With 552 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.9% over the past year.

R203597D - Davis Springs, All Sections

above average
552 Properties
$592,479 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$713,685
Median
$592,479

This home is +20.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,926 across all districts. With a homestead exemption claimed, that drops to $11,796 — saving $2,130 per year. That's $983 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%$6,374
AustinCity0.5240%$3,740
Williamson CountyCounty0.3694%$2,637
Austin Community Collegespecial0.1034%$738
Williamson County FM/RdCounty0.0443%$316
Upper Brushy Creek WCIDWater0.0170%$121
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,926

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $542,753 would pay approximately $3,388 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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