Short answer: Hays County's own 2025 rate is 0.3999% of taxable value ($0.3999 per $100). It's one line of your bill. Your city, school district and special districts add the rest.
$400,000 homestead in San Marcos: $140,000 school homestead exemption, no local optional exemptions assumed.
Hays County $1,600
San Marcos $2,606
San Marcos CISD $2,640
Example: $400,000 homestead in San Marcos
Unit
Taxable
Rate
Tax
Hays County
$400,000
0.3999%$0.3999 per $100
$1,599.60
San Marcos
$400,000
0.6515%$0.6515 per $100
$2,606.00
San Marcos CISD
$260,000
1.0152%$1.0152 per $100
$2,639.52
Total
2.0666%$2.0666 per $100
$6,845.12
Hays County has 49 special districts in the 2025 data, including MUDs and road districts that apply only in some areas. The example below shows only the county, city and school district.
Protest deadline: May 15 (next business day if that falls on a weekend), or 30 days after the notice is mailed — whichever is later (Tax Code §41.44). Check your notice.
County rate
Hays County 2025 county rate
Taxing unit
Rate
Tax on $100,000
Hays County
0.3999%$0.3999 per $100
$400
City rates (11)
Cities in Hays County, 2025. (split) = spans more than one county
Taxing unit
Rate
Tax on $100,000
Austin (split)
0.574017%$0.574017 per $100
$574
Bear Creek
0.06475%$0.06475 per $100
$65
Buda
0.3576%$0.3576 per $100
$358
Dripping Springs
0.2267%$0.2267 per $100
$227
Hays
0.0917%$0.0917 per $100
$92
Kyle
0.5957%$0.5957 per $100
$596
Mountain City
0.0765%$0.0765 per $100
$77
Niederwald (split)
0.079%$0.079 per $100
$79
San Marcos (split)
0.6515%$0.6515 per $100
$652
Uhland (split)
0.1801%$0.1801 per $100
$180
Woodcreek
0.1828%$0.1828 per $100
$183
School district rates (7)
School districts in Hays County, 2025
Taxing unit
Rate
Tax on $100,000
Blanco ISD (split)
0.858%$0.858 per $100
$858
Comal ISD (split)
1.0748%$1.0748 per $100
$1,075
Dripping Springs ISD (split)
1.1052%$1.1052 per $100
$1,105
Hays CISD (split)
1.1546%$1.1546 per $100
$1,155
Johnson City ISD (split)
0.8608%$0.8608 per $100
$861
San Marcos CISD (split)
1.0152%$1.0152 per $100
$1,015
Wimberley ISD (split)
1.0099%$1.0099 per $100
$1,010
Special district rates (49)
Special districts in Hays County, 2025 (MUDs, ESDs, hospital, college and others)