Vehicle inventory tax · 2025 rates for 2026 sales

Williamson County VIT rates

Name: Williamson County, Texas vehicle inventory tax rates, 2025 adopted rates
Creator: Texas VIT

154 taxing units, each with its 2025 adopted rate from the Texas Comptroller. The ones that tax the lot add up to its vehicle inventory tax (VIT) rate, the rate behind the 2026 unit property tax factor (UPTF).

County rate, per $100: 0.413776
Taxing units listed: 154
Rate year: 2025
Applies to sales in: 2026

Which units tax the lot?

The county, the school district, the city if the lot is inside city limits, and any special districts covering the address. The rate files can't show which special districts cover an address; the Williamson appraisal district's property record for the lot lists every unit. Find its site in the Comptroller's appraisal district directory.

Every taxing unit

154 in Williamson County · check the ones that tax the lot

County 1

County: 2025 adopted tax rates, in dollars per $100 of value
Taxing unit	2025 rate in dollars per $100
Williamson County	0.413776

How the 0.413776 county rate adds up

Texas counties can levy up to three separate funds. Each has a maintenance & operations part (“M&O”, the day-to-day budget) and a debt part (“I&S”, interest and sinking, which pays off bonds). The county rate is the sum of all of them.

2025 county rate by fund, dollars per $100
Fund	M&O	Debt (I&S)	Total
General fund	0.222547	0.1469	0.369447
Road & bridge	0.0000	0.0000	0.0000
Farm-to-market roads / flood control	0.044329	0.0000	0.044329
County total			0.413776

Cities 17

Check the city only if the lot is inside its city limits.

Cities: 2025 adopted tax rates, in dollars per $100 of value
Taxing unit	2025 rate in dollars per $100
AustinThe estimate uses the adopted rate, 0.524017 (Travis County Tax Office; the Comptroller's figure is the Proposition Q rate voters rejected in November 2025), while the Comptroller lists 0.574017. Confirm with the tax office.Report or confirm · Corrections log	0.574017
Bartlett	0.6594
Cedar Park	0.3600
Coupland	0.222678
Florence	0.58255
Georgetown	0.3530
Granger	0.8400
Hutto	0.385928
Jarrell	0.394004
Leander	0.417282
Liberty Hill	0.469407
Pflugerville	0.5350
Round Rock	0.3720
Taylor	0.5850
Thorndale	0.55019
Thrall	0.44115
Weir	0.151118

School districts 16

Every lot is in exactly one school district.

School districts: 2025 adopted tax rates, in dollars per $100 of value
Taxing unit	2025 rate in dollars per $100
Bartlett ISD	1.1604
Burnet CISD	0.8710
Coupland ISDThe estimate uses the adopted rate, 1.1622 (Travis County Tax Office), while the Comptroller lists 1.1922. Confirm with the tax office.Report or confirm · Corrections log	1.1922
Florence ISD	1.0182
Georgetown ISD	1.0506
Granger ISD	1.2093
Hutto ISD	1.2052
Jarrell ISD	1.1669
Leander ISD	1.0869
Lexington ISD	0.8610
Liberty Hill ISD	1.2389
Pflugerville ISD	1.1069
Round Rock ISD	0.8931
Taylor ISD	1.0638
Thorndale ISD	1.2072
Thrall ISD	1.2096

Special districts 120

Utility districts (MUDs), emergency services, hospital, college, water, drainage and other districts. Most cover only part of the county.

Special districts: 2025 adopted tax rates, in dollars per $100 of value
Taxing unit	2025 rate in dollars per $100
7S Ranch MUDNot reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Anderson Mill Limited DistrictThe estimate uses the adopted rate, 0.12434 (Travis County Tax Office), while the Comptroller lists 0.13434. Confirm with the tax office.Report or confirm · Corrections log	0.13434
Atlas Ranch MUD #1	1.0000
Austin Community College DistrictCommunity college district: it may tax only inside some school districts, so check whether it covers the lot.	0.1034
Avery Centre Road District #1	0.1500
Avery Ranch Road District #1Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Berry Creek Highlands MUD	0.5500
Blockhouse MUD	0.5450
Brushy Creek MUD	0.386837
Brushy Creek MUD Defined Area	0.0900
CLL MUD #1	0.8545
Cool Water MUD	0.9500
Donahoe Creek Watershed District	0.0224
East Williamson County MUD #1Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
EWC Higher ED CenterCommunity college district: it may tax only inside some school districts, so check whether it covers the lot.	0.040871
Fern Bluff MUD	0.1800
Georgetown Village Improvement Dist #1	0.1200
Highlands at Mayfield Ranch MUD	0.4850
Lakeside MUD #3	0.6900
Lakeside MUD #9Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Lakeside WCID #2A	0.8900
Leander MUD #1	1.0000
Leander MUD #2	1.0000
Leander MUD #3	1.0000
Leander TODD MUD #1	0.3500
Lower Brushy Creek WCID	0.016949
Meadows of Chandler Creek MUD	0.2849
North Austin MUD #1	0.2165
North San Gabriel MUD #1	0.9500
North San Gabriel MUD #2	0.4300
Northwest Williamson Co MUD #1	0.9500
Northwest Williamson Co MUD #2	0.9500
Northwoods Road District #1	0.1720
Palmera Ridge MUD	0.4000
Paloma Lake MUD #1	0.3725
Paloma Lake MUD #2	0.4215
Parkside at Mayfield Ranch MUD	0.3775
Parkside on the River MUD #1	0.9200
Parkside on the River MUD #2	0.9200
Parkside on the River MUD #3	0.9200
Pearson Place Road District	0.0490
Prairie Crossing MUD #1Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Prairie Crossing MUD #2Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Preserve at Water Oak PIDNot reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Ranch Cypress Creek MUD #1	0.2400
Rancho Del Cielo MUD	0.9500
Round Rock MUD #1	0.6800
Round Rock MUD #2	0.5110
Sandow MUD #1Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Sandow MUD #1ANot reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Sandow MUD #1BNot reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Shell Road MUD	0.5500
Sienna MUD #1	0.5250
Sienna MUD #2	0.6020
Solana Ranch MUD #1Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Somerset Hills Road District #3	0.2900
Somerset Hills Road District #4	0.2900
Sonterra MUD	0.7245
South Fork Ranch MUD #1	0.5775
South Fork Ranch MUD #2Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Southeast Williamson Co. MUD #1	0.4665
Stonewall Ranch MUD	0.7175
Theon Ranches MUD #1Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Upper Brushy Creek WCID	0.0170
Vista Oaks MUD	0.2131
Walsh Ranch MUD	0.3455
Watch Hill MUD	0.4948
Wells Branch MUD	0.2400
West Williamson County MUD #1	0.7140
West Williamson County MUD #2	0.6820
Williamson County ESD #1	0.1000
Williamson County ESD #2	0.1000
Williamson County ESD #3	0.1000
Williamson County ESD #4	0.074495
Williamson County ESD #5	0.099986
Williamson County ESD #6	0.1000
Williamson County ESD #7	0.1000
Williamson County ESD #8	0.0912
Williamson County ESD #9	0.099911
Williamson County ESD #10	0.1000
Williamson County ESD #11	0.0909
Williamson County ESD #12	0.08364
Williamson County MUD #10	0.3875
Williamson County MUD #11	0.3656
Williamson County MUD #12	0.7296
Williamson County MUD #13	0.5241
Williamson County MUD #15	0.4825
Williamson County MUD #19	0.4899
Williamson County MUD #19A	0.5367
Williamson County MUD #19B	0.8276
Williamson County MUD #19C	0.8500
Williamson County MUD #19E	0.7553
Williamson County MUD #19F	0.8300
Williamson County MUD #19G	0.8500
Williamson County MUD #19H	0.8500
Williamson County MUD #21Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Williamson County MUD #22	0.8990
Williamson County MUD #23	0.9200
Williamson County MUD #25	0.9200
Williamson County MUD #26	0.9000
Williamson County MUD #28	0.5775
Williamson County MUD #29	0.6500
Williamson County MUD #30	0.7355
Williamson County MUD #31	0.8500
Williamson County MUD #32	0.8500
Williamson County MUD #34	0.6660
Williamson County MUD #35	0.9500
Williamson County MUD #37	1.0000
Williamson County MUD #38Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Williamson County MUD #39The Comptroller lists this district statewide but reports no taxable property for it in any county yet, so it is placed in the county its taxing unit ID names. Confirm with the appraisal district.	0.9500
Williamson County MUD #44Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Williamson County MUD #45Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Williamson County MUD #46	0.9500
Williamson County MUD #51	0.9500
Williamson County MUD #56	0.9500
Williamson County MUD #60Not reported: the appraisal district didn't give the Comptroller this rate. Ask the taxing unit or the appraisal district, then enter it in the calculator.Report the rate · Corrections log	Not reported
Williamson County WSID #3	0.5830
Williamson-Liberty Hill MUD	0.9500
Williamson/Travis MUD #1	0.2734
Woodside MUD #1	0.5500

Source: Texas Comptroller of Public Accounts, 2025 Rates and Levies, files dated January 28, 2026: 2025 adopted rates, used for 2026 sales. Subject to change, per the Comptroller.

Official guidance: Texas Comptroller, Vehicle Inventory Tax (VIT) (revised 3/2026).

General information, not tax advice; the county tax assessor-collector and appraisal district have the final word.

Texas VIT basics and every other county