What percent of homes in ZIP 78642 are overassessed?

20% of homes in Liberty Hill ZIP 78642 (2,522 of 12,591 parcels) are assessed more than 10% above the typical per-square-foot value for the neighborhood, based on HCAD public records.

How do I protest my property taxes in Liberty Hill ZIP 78642?

File a Notice of Protest with WCAD by May 15 each year. Bring 3-5 comparable sales from your immediate area to your ARB hearing. Past the May 15 date, a late protest may still be accepted for good cause under §41.44(b) until the ARB approves the records (typically mid-July); the next regular protest window is April-May 2027.

Williamson County · Liberty Hill

ZIP 78642 property tax overassessment report

20% of homes in Liberty Hill ZIP 78642 (2,522 of 12,591 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $7,865,687.

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12,591

Homes in ZIP

2,522

Flagged as overassessed

20%

$145,061

Avg overage / home

$567,768

Typical value

~$222/sqft

Williamson County · over-assessed homes overpay year-round

Next: WCAD 2027 values mail late March-April. Protest deadline: May 15, 2027.

Williamson County guide →

Top 25 most overassessed homes in 78642

Addresses anonymized. Pulled directly from HCAD public records. Each home pays significantly more than what a comparable-size home in this ZIP typically pays.

Address	Sq ft	Year	Market val	Expected	Overage	% over	$/yr
4XX JENKINS DAVIS	1,892	1973	$14,757,468	$420,024	$14,337,444	3413.5%	$285,315
5XXX RR 1869	6,236	1885	$14,403,454	$1,384,392	$13,019,062	940.4%	$259,079
6XX CR 202	1,008	1851	$11,770,368	$223,776	$11,546,592	5159.9%	$229,777
1XXXX W SH 29	1,581	2009	$7,230,786	$350,982	$6,879,804	1960.2%	$136,908
4XXX CR 207	5,574	2003	$5,788,919	$1,237,428	$4,551,491	367.8%	$90,575
1XXX BECKER RD	2,556	1998	$5,061,319	$567,432	$4,493,887	792%	$89,428
3XXX CR 207	2,496	N/A	$5,036,038	$554,112	$4,481,926	808.8%	$89,190
CR 207	1,500	1955	$4,738,588	$333,000	$4,405,588	1323%	$87,671
CR 287	1,640	1972	$4,302,196	$364,080	$3,938,116	1081.7%	$78,369
5XX CR 206	3,340	2008	$4,592,961	$741,480	$3,851,481	519.4%	$76,644
Highway 29	5,650	1992	$4,887,344	$1,254,300	$3,633,044	289.6%	$72,298
5XX CR 279	1,886	1950	$3,961,030	$418,692	$3,542,338	846%	$70,493
2XXX CR 284	2,968	2021	$4,022,788	$658,896	$3,363,892	510.5%	$66,941
4XXX CR 236	1,251	2009	$3,604,647	$277,722	$3,326,925	1197.9%	$66,206
2XXX CR 209	2,419	2022	$3,855,757	$537,018	$3,318,739	618%	$66,043
2XXX W CR 202	3,509	1985	$3,877,202	$778,998	$3,098,204	397.7%	$61,654
2XXX CR 287	986	1960	$2,909,586	$218,892	$2,690,694	1229.2%	$53,545
1XXX 279 CR	3,923	1998	$3,399,789	$870,906	$2,528,883	290.4%	$50,325
6XXX CR 200	1,866	1987	$2,892,164	$414,252	$2,477,912	598.2%	$49,310
6XXX FM 3405	2,116	1985	$2,873,496	$469,752	$2,403,744	511.7%	$47,835
1XXX CR 279	8,635	1995	$4,282,032	$1,916,970	$2,365,062	123.4%	$47,065
1XXXX W SH 29	1,400	1850	$2,431,430	$310,800	$2,120,630	682.3%	$42,201
3XXX CR 204	2,972	1920	$2,757,784	$659,784	$2,098,000	318%	$41,750
3XX CR 282	3,863	2006	$2,939,312	$857,586	$2,081,726	242.7%	$41,426
4XXX RR 1869	3,299	1996	$2,810,494	$732,378	$2,078,116	283.7%	$41,355

Data: HCAD public records, Williamson County, ZIP 78642. Addresses anonymized to protect privacy; full data is public record under Texas Public Information Act. Showing top 25; there are likely more overassessed homes in this ZIP. See the full statewide over-assessment study for the methodology behind these numbers.

Is yours one of them?

Past the regular May 15 date, late protests may still be accepted for good cause until the ARB approves the records (typically mid-July), and Williamson County publishes fresh 2027 values next April. Check your address free now, see if you can still file this year, and when new values drop your $49 iFile-ready protest kit is 30 seconds away.

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