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611 SPRING ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

5 bed4 bath3,211 sqftBuilt 2023

Property at a Glance

This home is estimated between $1,123,265 and $1,218,656, with a best estimate of $1,164,928. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$1,123,265 $1,218,656
Best Estimate
$1,164,928
WCAD Value
$1,427,964
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $1,123,265 and $1,218,656 should be treated as a rough guide.

Comparable Properties (5)

5 bed 4 bath 3,178 sqft Built 2014
Raw Value $1,118,569
Adjusted Value $1,154,873

Adjusted +$8,473 for 33 sqft more living space and +$27,831 for being newer. Net adjustment: +$36,304.

5 bed 4 bath 3,252 sqft Built 2005
Raw Value $1,078,130
Adjusted Value $1,123,265

Adjusted -$10,527 for 41 sqft less living space and +$55,662 for being newer. Net adjustment: +$45,135.

5 bed 4 bath 3,325 sqft Built 2005
Raw Value $1,138,537
Adjusted Value $1,164,928

Adjusted -$29,271 for 114 sqft less living space and +$55,662 for being newer. Net adjustment: +$26,391.

4 bed 4 bath 3,081 sqft Built 2004
Raw Value $1,126,523
Adjusted Value $1,218,656

Adjusted +$33,379 for 130 sqft more living space and +$58,754 for being newer. Net adjustment: +$92,133.

4 bed 4 bath 3,014 sqft Built 2004
Raw Value $1,059,336
Adjusted Value $1,168,672

Adjusted +$50,582 for 197 sqft more living space and +$58,754 for being newer. Net adjustment: +$109,336.

The Neighborhood

This home is valued 347.3% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

outlier high
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$1,427,964
Median
$319,256

This home is +347.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $25,693 across all districts. With a homestead exemption claimed, that drops to $24,179 — saving $1,514 per year. That's $2,015 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%$12,753
Round RockCity0.3720%$5,312
Williamson CountyCounty0.3694%$5,276
Austin Community Collegespecial0.1034%$1,477
Williamson County FM/RdCounty0.0443%$633
Upper Brushy Creek WCIDWater0.0170%$243
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$25,693

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,164,928 would pay approximately $7,271 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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