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1800 LOST SPRING, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,759 sqftBuilt 1984

Property at a Glance

This home is estimated between $203,504 and $551,710, with a best estimate of $413,113. 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

$203,504 $551,710
Best Estimate
$413,113
WCAD Value
$707,913
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 $203,504 and $551,710 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 $551,710

Adjusted -$217,705 for 627 sqft less living space and +$7,524 for being newer. Net adjustment: -$210,181.

3 bed 2 bath 1,593 sqft Built 1978
Raw Value $286,695
Adjusted Value $389,480

Adjusted +$57,638 for 166 sqft more living space and +$45,147 for being newer. Net adjustment: +$102,785.

1808 LOST SPRING, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
3 bed 3 bath 2,540 sqft Built 1985
Raw Value $750,173
Adjusted Value $471,472

Adjusted -$271,177 for 781 sqft less living space and -$7,524 for being older. Net adjustment: -$278,701.

3 bed 2 bath 1,503 sqft Built 1978
Raw Value $279,078
Adjusted Value $413,113

Adjusted +$88,888 for 256 sqft more living space and +$45,147 for being newer. Net adjustment: +$134,035.

3 bed 2 bath 1,725 sqft Built 2003
Raw Value $334,664
Adjusted Value $203,504

Adjusted +$11,805 for 34 sqft more living space and -$142,965 for being older. Net adjustment: -$131,160.

The Neighborhood

This home is valued 16.9% 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

below average
154 Properties
$851,894 Median Value
+3.7% YoY Change
7% Have Pool
92% Have Garage
This Home
$707,913
Median
$851,894

This home is -16.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,812 across all districts. With a homestead exemption claimed, that drops to $9,431 — saving $1,381 per year. That's $786 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%$6,322
Williamson CountyCounty0.3694%$2,615
Austin Community Collegespecial0.1034%$732
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$708
Williamson County FM/RdCounty0.0443%$314
Upper Brushy Creek WCIDWater0.0170%$120
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$10,812

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $413,113 would pay approximately $2,579 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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