Beta Williamson County, TX only — data and coverage are limited during early access.

13427 POND SPRINGS RD, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed83,249 sqftBuilt 1985

Property at a Glance

This home is estimated between $18,474,576 and $20,268,056, with a best estimate of $20,056,998.

Estimated Value Range

$18,474,576 $20,268,056
Best Estimate
$20,056,998
WCAD Value
$10,403,462
Low Confidence

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

There are 5 comparable properties within range, but none are in R45MN - Neighborhood Shopping Ctr Lakeline Area. The estimated range of $18,474,576 and $20,268,056 should be treated as a rough guide.

Comparable Properties (5)

3 bed 16,106 sqft Built 1960
Raw Value $2,265,117
Adjusted Value $18,474,576

Adjusted +$16,211,987 for 67,143 sqft more living space and -$2,528 for being older. Net adjustment: +$16,209,459.

3 bed 2 bath 1,857 sqft Built 1986
Raw Value $421,745
Adjusted Value $20,014,126

Adjusted +$19,652,473 for 81,392 sqft more living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: +$19,592,381.

3 bed 2 bath 1,646 sqft Built 1986
Raw Value $413,670
Adjusted Value $20,056,998

Adjusted +$19,703,420 for 81,603 sqft more living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: +$19,643,328.

3 bed 2 bath 1,148 sqft Built 1986
Raw Value $409,537
Adjusted Value $20,173,110

Adjusted +$19,823,665 for 82,101 sqft more living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: +$19,763,573.

3 bed 2 bath 1,068 sqft Built 1986
Raw Value $485,167
Adjusted Value $20,268,056

Adjusted +$19,842,981 for 82,181 sqft more living space and +$101 for being newer and -$60,193 for no garage. Net adjustment: +$19,782,889.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $203,002 across all districts. With a homestead exemption claimed, that drops to $188,927 — saving $14,075 per year. That's $15,744 per month a buyer should budget. The assessed value increased +25.3%. This 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%$92,913
AustinCity0.5240%$54,516
Williamson CountyCounty0.3694%$38,435
Austin Community Collegespecial0.1034%$10,757
Williamson County FM/RdCounty0.0443%$4,612
Upper Brushy Creek WCIDWater0.0170%$1,769
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$203,002
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 $20,056,998 would pay approximately $125,195 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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