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8702 SPARTA LN, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,836 sqftBuilt 1976

Property at a Glance

This home is estimated between $445,385 and $583,191, with a best estimate of $465,306. That places the property above the R371378G - FOREST NORTH PHS 3-5 median of $421,794, in a neighborhood that declined 5.7% over the past year.

Estimated Value Range

$445,385 $583,191
Best Estimate
$465,306
WCAD Value
$402,954
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R371378G - FOREST NORTH PHS 3-5. The estimated range of $445,385 and $583,191 should be treated as a rough guide.

Comparable Properties (5)

8802 STILLWATER LN, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,660 sqft Built 1993
Raw Value $401,826
Adjusted Value $445,385

Adjusted +$41,863 for 176 sqft more living space and +$1,696 for being newer. Net adjustment: +$43,559.

8701 SPARTA LN, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,695 sqft Built 1976
Raw Value $422,517
Adjusted Value $456,055

Adjusted +$33,538 for 141 sqft more living space. Net adjustment: +$33,538.

4 bed 2 bath 2,023 sqft Built 1995
Raw Value $624,719
Adjusted Value $582,134

Adjusted -$44,480 for 187 sqft less living space and +$1,895 for being newer. Net adjustment: -$42,585.

4 bed 2 bath 2,031 sqft Built 1996
Raw Value $509,694
Adjusted Value $465,306

Adjusted -$46,383 for 195 sqft less living space and +$1,995 for being newer. Net adjustment: -$44,388.

4 bed 2 bath 1,613 sqft Built 1996
Raw Value $528,153
Adjusted Value $583,191

Adjusted +$53,043 for 223 sqft more living space and +$1,995 for being newer. Net adjustment: +$55,038.

The Neighborhood

This home is valued 4.5% below the R371378G - FOREST NORTH PHS 3-5 median of $421,794. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.7% over the past year.

R371378G - FOREST NORTH PHS 3-5

typical
742 Properties
$421,794 Median Value
-5.7% YoY Change
6% Have Pool
92% Have Garage
This Home
$402,954
Median
$421,794

This home is -4.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,863 across all districts. With a homestead exemption claimed, that drops to $6,116 — saving $1,747 per year. That's $510 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%$3,599
AustinCity0.5240%$2,112
Williamson CountyCounty0.3694%$1,489
Austin Community Collegespecial0.1034%$417
Williamson County FM/RdCounty0.0443%$179
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$7,863

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $465,306 would pay approximately $2,904 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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