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121 NORTH FIELD ST, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,962 sqftBuilt 2005

Property at a Glance

This home is estimated between $507,238 and $838,756, with a best estimate of $675,586. That places the property above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685, in a neighborhood that declined 6.9% over the past year.

Estimated Value Range

$507,238 $838,756
Best Estimate
$675,586
WCAD Value
$469,866
Low Confidence

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

There are 5 comparable properties within range, but none are in R222592G - CAT HOLLOW ALL SECTIONS R4. The estimated range of $507,238 and $838,756 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $507,238

Adjusted +$12,417 for 46 sqft more living space and -$67,190 for being older. Net adjustment: -$54,773.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $820,344

Adjusted -$69,374 for 257 sqft less living space and -$14,931 for being older. Net adjustment: -$84,305.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $838,756

Adjusted -$51,828 for 192 sqft less living space and +$29,862 for being newer. Net adjustment: -$21,966.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $509,082

Adjusted +$12,417 for 46 sqft more living space and -$82,121 for being older. Net adjustment: -$69,704.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $675,586

Adjusted +$40,761 for 151 sqft more living space and -$67,190 for being older. Net adjustment: -$26,429.

The Neighborhood

This home is valued 4.0% above the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. With 1,233 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.9% over the past year.

R222592G - CAT HOLLOW ALL SECTIONS R4

typical
1,233 Properties
$451,685 Median Value
-6.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$469,866
Median
$451,685

This home is +4.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,994 across all districts. With a homestead exemption claimed, that drops to $7,657 — saving $1,337 per year. That's $638 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%$4,196
Brushy Creek MUDMUD0.3868%$1,818
Williamson CountyCounty0.3694%$1,736
Austin Community Collegespecial0.1034%$486
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$470
Williamson County FM/RdCounty0.0443%$208
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$8,994

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $675,586 would pay approximately $4,217 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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