Beta Williamson County, TX only — data and coverage are limited during early access.

1104 CELTIC CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,902 sqftBuilt 2004

Property at a Glance

This home is estimated between $1,022,490 and $1,148,524, with a best estimate of $1,048,911. That places the property above the R140601C - Hidden Glen median of $813,527, in a neighborhood that declined 1.5% over the past year.

Estimated Value Range

$1,022,490 $1,148,524
Best Estimate
$1,048,911
WCAD Value
$727,387
High Confidence

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

Based on 5 comparable properties in R140601C - Hidden Glen, this home's estimated market value is between $1,022,490 and $1,148,524. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1108 CELTIC CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,053 sqft Built 2003
Raw Value $845,644
Adjusted Value $1,148,524

Adjusted +$294,816 for 849 sqft more living space and +$8,064 for being newer. Net adjustment: +$302,880.

1105 CELTIC CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,563 sqft Built 2003
Raw Value $923,129
Adjusted Value $1,048,911

Adjusted +$117,718 for 339 sqft more living space and +$8,064 for being newer. Net adjustment: +$125,782.

1101 CELTIC CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,454 sqft Built 2003
Raw Value $866,596
Adjusted Value $1,030,228

Adjusted +$155,568 for 448 sqft more living space and +$8,064 for being newer. Net adjustment: +$163,632.

1109 CELTIC CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,052 sqft Built 2003
Raw Value $824,201
Adjusted Value $1,127,428

Adjusted +$295,163 for 850 sqft more living space and +$8,064 for being newer. Net adjustment: +$303,227.

1100 CELTIC CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 3 bath 2,306 sqft Built 2004
Raw Value $815,529
Adjusted Value $1,022,490

Adjusted +$206,961 for 596 sqft more living space. Net adjustment: +$206,961.

The Neighborhood

This home is valued 10.6% below the R140601C - Hidden Glen median of $813,527. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.5% over the past year.

R140601C - Hidden Glen

typical
345 Properties
$813,527 Median Value
-1.5% YoY Change
0% Have Pool
99% Have Garage
This Home
$727,387
Median
$813,527

This home is -10.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,088 across all districts. With a homestead exemption claimed, that drops to $11,703 — saving $1,385 per year. That's $975 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%$6,496
Round RockCity0.3720%$2,706
Williamson CountyCounty0.3694%$2,687
Austin Community Collegespecial0.1034%$752
Williamson County FM/RdCounty0.0443%$322
Upper Brushy Creek WCIDWater0.0170%$124
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$13,088

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,048,911 would pay approximately $6,547 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.

View full property details