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1809 LOST SPRING, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,386 sqftBuilt 1983

Property at a Glance

This home is estimated between $298,904 and $681,653, with a best estimate of $599,660. 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

$298,904 $681,653
Best Estimate
$599,660
WCAD Value
$761,891
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 $298,904 and $681,653 should be treated as a rough guide.

Comparable Properties (5)

1808 LOST SPRING, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,540 sqft Built 1985
Raw Value $750,173
Adjusted Value $681,653

Adjusted -$53,471 for 154 sqft less living space and -$15,049 for being older. Net adjustment: -$68,520.

3 bed 2 bath 2,367 sqft Built 2000
Raw Value $420,223
Adjusted Value $298,904

Adjusted +$6,597 for 19 sqft more living space and -$127,916 for being older. Net adjustment: -$121,319.

4 bed 2 bath 2,235 sqft Built 1986
Raw Value $598,298
Adjusted Value $628,155

Adjusted +$52,430 for 151 sqft more living space and -$22,573 for being older. Net adjustment: +$29,857.

3 bed 2 bath 1,593 sqft Built 1978
Raw Value $286,695
Adjusted Value $599,660

Adjusted +$275,343 for 793 sqft more living space and +$37,622 for being newer. Net adjustment: +$312,965.

3 bed 2 bath 1,908 sqft Built 2000
Raw Value $422,264
Adjusted Value $460,318

Adjusted +$165,970 for 478 sqft more living space and -$127,916 for being older. Net adjustment: +$38,054.

The Neighborhood

This home is valued 10.6% 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
$761,891
Median
$851,894

This home is -10.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,636 across all districts. With a homestead exemption claimed, that drops to $10,245 — saving $1,391 per year. That's $854 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%$6,804
Williamson CountyCounty0.3694%$2,815
Austin Community Collegespecial0.1034%$788
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$762
Williamson County FM/RdCounty0.0443%$338
Upper Brushy Creek WCIDWater0.0170%$130
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$11,636

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $599,660 would pay approximately $3,743 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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