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3705 SPRING BRANCH, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,373 sqftBuilt 1978

Property at a Glance

This home is estimated between $237,631 and $386,597, with a best estimate of $276,578. That places the property below the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.

Estimated Value Range

$237,631 $386,597
Best Estimate
$276,578
WCAD Value
$276,309
High Confidence

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

Based on 5 comparable properties in R210480H - Brushy Creek, this home's estimated market value is between $237,631 and $386,597. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

907 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,384 sqft Built 1979
Raw Value $283,290
Adjusted Value $279,230

Adjusted -$2,453 for 11 sqft less living space and -$1,607 for being older. Net adjustment: -$4,060.

911 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,593 sqft Built 1978
Raw Value $286,695
Adjusted Value $237,631

Adjusted -$49,064 for 220 sqft less living space. Net adjustment: -$49,064.

4009 STONEY HILL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,322 sqft Built 1979
Raw Value $266,811
Adjusted Value $276,578

Adjusted +$11,374 for 51 sqft more living space and -$1,607 for being older. Net adjustment: +$9,767.

1001 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,200 sqft Built 1980
Raw Value $351,228
Adjusted Value $386,597

Adjusted +$38,582 for 173 sqft more living space and -$3,213 for being older. Net adjustment: +$35,369.

805 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,503 sqft Built 1978
Raw Value $279,078
Adjusted Value $250,085

Adjusted -$28,993 for 130 sqft less living space. Net adjustment: -$28,993.

The Neighborhood

This home is valued 6.8% below the R210480H - Brushy Creek median of $296,542. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 14.6% over the past year.

R210480H - Brushy Creek

typical
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$276,309
Median
$296,542

This home is -6.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,289 across all districts. With a homestead exemption claimed, that drops to $3,987 — saving $1,302 per year. That's $332 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%$2,468
Brushy Creek MUDMUD0.3868%$1,069
Williamson CountyCounty0.3694%$1,021
Austin Community Collegespecial0.1034%$286
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$276
Williamson County FM/RdCounty0.0443%$122
Upper Brushy Creek WCIDWater0.0170%$47
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,289

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $276,578 would pay approximately $1,726 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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