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1804 LOST SPRING, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,756 sqftBuilt 1983

Property at a Glance

This home is estimated between $380,913 and $543,144, with a best estimate of $449,933. 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

$380,913 $543,144
Best Estimate
$449,933
WCAD Value
$609,719
Low Confidence

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

There are 5 comparable properties within range, but few are in R202681C - Tonkawa & Oak Springs. The estimated range of $380,913 and $543,144 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 $543,144

Adjusted -$218,747 for 630 sqft less living space. Net adjustment: -$218,747.

3 bed 2 bath 1,593 sqft Built 1978
Raw Value $286,695
Adjusted Value $380,913

Adjusted +$56,596 for 163 sqft more living space and +$37,622 for being newer. Net adjustment: +$94,218.

1808 LOST SPRING, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
3 bed 3 bath 2,540 sqft Built 1985
Raw Value $750,173
Adjusted Value $462,906

Adjusted -$272,218 for 784 sqft less living space and -$15,049 for being older. Net adjustment: -$287,267.

3 bed 2 bath 1,503 sqft Built 1978
Raw Value $279,078
Adjusted Value $404,546

Adjusted +$87,846 for 253 sqft more living space and +$37,622 for being newer. Net adjustment: +$125,468.

3 bed 2 bath 1,428 sqft Built 1979
Raw Value $305,948
Adjusted Value $449,933

Adjusted +$113,887 for 328 sqft more living space and +$30,098 for being newer. Net adjustment: +$143,985.

The Neighborhood

This home is valued 28.4% 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

below average
154 Properties
$851,894 Median Value
+3.7% YoY Change
7% Have Pool
92% Have Garage
This Home
$609,719
Median
$851,894

This home is -28.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,312 across all districts. With a homestead exemption claimed, that drops to $7,949 — saving $1,363 per year. That's $662 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%$5,445
Williamson CountyCounty0.3694%$2,253
Austin Community Collegespecial0.1034%$630
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$610
Williamson County FM/RdCounty0.0443%$270
Upper Brushy Creek WCIDWater0.0170%$104
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$9,312

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $449,933 would pay approximately $2,808 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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