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1808 LOST SPRING, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed3 bath2,540 sqftBuilt 1985

Property at a Glance

This home is estimated between $367,425 and $830,411, with a best estimate of $668,181. That places the property below the R202681C - Tonkawa & Oak Springs median of $851,894, in a neighborhood that appreciated 3.7% over the past year.

Estimated Value Range

$367,425 $830,411
Best Estimate
$668,181
WCAD Value
$750,173
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R202681C - Tonkawa & Oak Springs. The estimated range of $367,425 and $830,411 should be treated as a rough guide.

Comparable Properties (5)

1809 LOST SPRING, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,386 sqft Built 1983
Raw Value $761,891
Adjusted Value $830,411

Adjusted +$53,471 for 154 sqft more living space and +$15,049 for being newer. Net adjustment: +$68,520.

4 bed 2 bath 2,235 sqft Built 1986
Raw Value $598,298
Adjusted Value $696,675

Adjusted +$105,901 for 305 sqft more living space and -$7,524 for being older. Net adjustment: +$98,377.

3 bed 2 bath 2,367 sqft Built 2000
Raw Value $420,223
Adjusted Value $367,425

Adjusted +$60,069 for 173 sqft more living space and -$112,867 for being older. Net adjustment: -$52,798.

3 bed 2 bath 1,908 sqft Built 2000
Raw Value $422,264
Adjusted Value $528,838

Adjusted +$219,441 for 632 sqft more living space and -$112,867 for being older. Net adjustment: +$106,574.

3 bed 2 bath 1,593 sqft Built 1978
Raw Value $286,695
Adjusted Value $668,181

Adjusted +$328,815 for 947 sqft more living space and +$52,671 for being newer. Net adjustment: +$381,486.

The Neighborhood

This home is valued 11.9% below the R202681C - Tonkawa & Oak Springs median of $851,894. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.7% over the past year.

R202681C - Tonkawa & Oak Springs

typical
154 Properties
$851,894 Median Value
+3.7% YoY Change
7% Have Pool
92% Have Garage
This Home
$750,173
Median
$851,894

This home is -11.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,457 across all districts. With a homestead exemption claimed, that drops to $10,068 — saving $1,389 per year. That's $839 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%$6,700
Williamson CountyCounty0.3694%$2,771
Austin Community Collegespecial0.1034%$776
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$750
Williamson County FM/RdCounty0.0443%$333
Upper Brushy Creek WCIDWater0.0170%$128
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$11,457

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $668,181 would pay approximately $4,171 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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