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1100 CELTIC CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed3 bath2,306 sqftBuilt 2004

Property at a Glance

This home is estimated between $520,426 and $941,562, with a best estimate of $841,950. 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

$520,426 $941,562
Best Estimate
$841,950
WCAD Value
$815,529
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 $520,426 and $941,562. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1104 CELTIC CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,902 sqft Built 2004
Raw Value $727,387
Adjusted Value $520,426

Adjusted -$206,961 for 596 sqft less living space. Net adjustment: -$206,961.

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 $941,562

Adjusted +$87,854 for 253 sqft more living space and +$8,064 for being newer. Net adjustment: +$95,918.

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 $841,950

Adjusted -$89,243 for 257 sqft less living space and +$8,064 for being newer. Net adjustment: -$81,179.

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 $823,267

Adjusted -$51,393 for 148 sqft less living space and +$8,064 for being newer. Net adjustment: -$43,329.

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 $920,467

Adjusted +$88,202 for 254 sqft more living space and +$8,064 for being newer. Net adjustment: +$96,266.

The Neighborhood

This home is in line with the R140601C - Hidden Glen median of $813,527. 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
$815,529
Median
$813,527

This home is +0.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,674 across all districts. With a homestead exemption claimed, that drops to $13,273 — saving $1,401 per year. That's $1,106 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%$7,283
Round RockCity0.3720%$3,034
Williamson CountyCounty0.3694%$3,013
Austin Community Collegespecial0.1034%$843
Williamson County FM/RdCounty0.0443%$362
Upper Brushy Creek WCIDWater0.0170%$139
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$14,674

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $841,950 would pay approximately $5,255 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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