The 2025 property tax bill for 540 Big Brown Dr was $14,484 with a homeowner's exemption, up 1.4% from the year before.
Source: Hays County assessment roll, as of August 25, 2025
Property Jurisdictions
Type
Name
State
Texas
County
Hays County
Unified School District
Dripping Springs Independent School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2025
$14,484.00 (+1.36%)Homeowner's exemption
$982,838Land $312,890Building $669,948
$982,838Land $312,890Building $669,948
2024
$14,289.00
2023
$937,278Land $312,890Building $865,940
$1,178,830Land $312,890Building $865,940
2022
$13,988.00
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 540 Big Brown Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2013.
Source: FEMA National Flood Hazard Layer, effective May 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone
Zone X minimal risk
Flood Insurance Requirement
Not required lenders may require it
Flood Insurance Cost
Premium on File median of 11 policies
Nearby Flood Policies
11 in force
Nearby Flood Claims
2 (2013–2019)
Claims Outside the SFHA
1 of 2
Most Recent Claim
May 2019 · river or lake flooding
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire
Wildfire risk around 540 Big Brown Dr is moderate, ranking above 60% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Moderate above 60% of the US · above 43% of Texas
Wildfire Likelihood
0.1% annual chance
Exposure
Direct burnable vegetation
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Drinking Water
Source: EPA Safe Drinking Water Information System, as of September 2026
Water System
WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY serves 35,664 people · EPA ID TX2270235
Water Source
Surface water
Last State Inspection
Jul 2023
Lead
2 ppb (2026) action level 15 ppb
Violations Reported to EPA
Water Quality
Turbidity resolved · Nov 2025
Treatment and Procedure
None last 10 years
Monitoring and Reporting
2 last 3 years
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Internet Providers
Source: FCC Broadband Data Collection, based on 61 locations within half a mile, as of December 31, 2025