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4600 TIFFANY NICOLE ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,803 sqftBuilt 1974

Property at a Glance

This home is estimated between $505,077 and $589,484, with a best estimate of $542,312. That places the property above the R453474G - Southern Hills median of $494,639, in a neighborhood that appreciated 5.5% over the past year.

Estimated Value Range

$505,077 $589,484
Best Estimate
$542,312
WCAD Value
$723,402
High Confidence

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

Based on 5 comparable properties in R453474G - Southern Hills, this home's estimated market value is between $505,077 and $589,484. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4601 TIFFANY NICOLE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,121 sqft Built 1984
Raw Value $677,862
Adjusted Value $589,484

Adjusted -$93,399 for 318 sqft less living space and +$5,021 for being newer. Net adjustment: -$88,378.

4607 TIFFANY NICOLE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,537 sqft Built 1974
Raw Value $483,178
Adjusted Value $555,069

Adjusted +$78,126 for 266 sqft more living space and -$6,235 for no pool. Net adjustment: +$71,891.

4611 TIFFANY NICOLE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,616 sqft Built 1989
Raw Value $479,858
Adjusted Value $542,312

Adjusted +$54,923 for 187 sqft more living space and +$7,531 for being newer. Net adjustment: +$62,454.

4608 JOSEPH DR, ROUND ROCK, TX 78665
0.12 mi 100% similar Same subdivision
3 bed 2 bath 1,452 sqft Built 1992
Raw Value $392,948
Adjusted Value $505,077

Adjusted +$103,091 for 351 sqft more living space and +$9,038 for being newer. Net adjustment: +$112,129.

4605 JOSEPH DR, ROUND ROCK, TX 78665
0.12 mi 100% similar Same subdivision
3 bed 2 bath 1,620 sqft Built 1975
Raw Value $472,932
Adjusted Value $527,182

Adjusted +$53,748 for 183 sqft more living space and +$502 for being newer. Net adjustment: +$54,250.

The Neighborhood

This home is valued 46.2% above the R453474G - Southern Hills median of $494,639. With 13 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 5.5% over the past year.

R453474G - Southern Hills

above average
13 Properties
$494,639 Median Value
+5.5% YoY Change
8% Have Pool
62% Have Garage
This Home
$723,402
Median
$494,639

This home is +46.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,048 across all districts. With a homestead exemption claimed, that drops to $9,664 — saving $1,384 per year. That's $805 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%$6,461
Williamson CountyCounty0.3694%$2,673
Austin Community Collegespecial0.1034%$748
Williamson County ESD #9 - Round RockESD0.0999%$723
Williamson County FM/RdCounty0.0443%$321
Upper Brushy Creek WCIDWater0.0170%$123
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$11,048

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $542,312 would pay approximately $3,385 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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