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16900 ABYSSINIAN LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,105 sqftBuilt 1998

Property at a Glance

This home is estimated between $273,716 and $544,692, with a best estimate of $506,411. 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

$273,716 $544,692
Best Estimate
$506,411
WCAD Value
$442,028
High Confidence

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

Based on 5 comparable properties in R222592G - CAT HOLLOW ALL SECTIONS R4, this home's estimated market value is between $273,716 and $544,692. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

16709 DORMAN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $544,692

Adjusted +$140,638 for 521 sqft more living space and +$22,397 for being newer. Net adjustment: +$163,035.

16829 LUCKENWALD DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $531,715

Adjusted +$140,368 for 520 sqft more living space and +$7,466 for being newer. Net adjustment: +$147,834.

16716 TOMCAT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $506,411

Adjusted +$116,073 for 430 sqft more living space and +$22,397 for being newer. Net adjustment: +$138,470.

6041 RONCHAMPS DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $273,716

Adjusted -$267,778 for 992 sqft less living space and -$14,931 for being older. Net adjustment: -$282,709.

6004 RONCHAMPS DR, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $286,036

Adjusted -$271,287 for 1,005 sqft less living space and -$14,931 for being older. Net adjustment: -$286,218.

The Neighborhood

This home is valued 2.1% below the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. That positions it competitively for buyers comparing within the neighborhood. 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
$442,028
Median
$451,685

This home is -2.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,461 across all districts. With a homestead exemption claimed, that drops to $7,129 — saving $1,332 per year. That's $594 per month a buyer should budget. The assessed value increased -0.8% vs the subdivision average of -6.9%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,948
Brushy Creek MUDMUD0.3868%$1,710
Williamson CountyCounty0.3694%$1,633
Austin Community Collegespecial0.1034%$457
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$442
Williamson County FM/RdCounty0.0443%$196
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$8,461
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $506,411 would pay approximately $3,161 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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