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

1912 HEATHWOOD CIR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath1,080 sqftBuilt 1981

Property at a Glance

This home is estimated between $235,657 and $283,428, with a best estimate of $252,627. That places the property above the R463489I - Greenhill Sec 1,3,5 median of $237,198, in a neighborhood that declined 16.7% over the past year.

Estimated Value Range

$235,657 $283,428
Best Estimate
$252,627
WCAD Value
$232,062
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R463489I - Greenhill Sec 1,3,5. The estimated range of $235,657 and $283,428 should be treated as a rough guide.

Comparable Properties (5)

2002 HEATHWOOD CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,022 sqft Built 1981
Raw Value $223,900
Adjusted Value $235,657

Adjusted +$11,757 for 58 sqft more living space. Net adjustment: +$11,757.

3 bed 2 bath 1,121 sqft Built 1985
Raw Value $279,264
Adjusted Value $283,428

Adjusted -$8,311 for 41 sqft less living space and +$12,475 for being newer. Net adjustment: +$4,164.

3 bed 2 bath 1,168 sqft Built 1984
Raw Value $259,924
Adjusted Value $251,442

Adjusted -$17,838 for 88 sqft less living space and +$9,356 for being newer. Net adjustment: -$8,482.

3 bed 2 bath 982 sqft Built 1983
Raw Value $248,712
Adjusted Value $274,814

Adjusted +$19,865 for 98 sqft more living space and +$6,237 for being newer. Net adjustment: +$26,102.

3 bed 2 bath 1,181 sqft Built 1984
Raw Value $263,744
Adjusted Value $252,627

Adjusted -$20,473 for 101 sqft less living space and +$9,356 for being newer. Net adjustment: -$11,117.

The Neighborhood

This home is valued 2.2% below the R463489I - Greenhill Sec 1,3,5 median of $237,198. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 16.7% over the past year.

R463489I - Greenhill Sec 1,3,5

typical
286 Properties
$237,198 Median Value
-16.7% YoY Change
2% Have Pool
82% Have Garage
This Home
$232,062
Median
$237,198

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,175 across all districts. With a homestead exemption claimed, that drops to $2,882 — saving $1,293 per year. That's $240 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%$2,073
Round RockCity0.3720%$863
Williamson CountyCounty0.3694%$857
Austin Community Collegespecial0.1034%$240
Williamson County FM/RdCounty0.0443%$103
Upper Brushy Creek WCIDWater0.0170%$39
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,175

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $252,627 would pay approximately $1,577 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