The 2025 property tax bill for 406 Mayflower was $5,665 with a homeowner's exemption, down 5.5% from the year before.
Source: Guadalupe County assessment roll, as of August 12, 2026
Property Jurisdictions
Type
Name
State
Texas
Municipality
Cibolo City
County
Guadalupe County
Unified School District
Schertz-Cibolo-Universal City Independent School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2026
$359,582 (-3.5%)Land $45,731Building $313,851
$359,582 (-3.5%)Land $45,731Building $313,851
2025
$5,665.00 (-5.54%)Homeowner's exemption
$372,632Land $42,230Building $330,402
$372,632Land $42,230Building $330,402
2024
$5,997.00 (+13.67%)
2023
$5,276.00 (-11.55%)Homeowner's exemption
$395,187Land $54,583Building $340,604
$395,187Land $54,583Building $340,604
2022
$5,965.00
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 406 Mayflower in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 27, 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 16 policies
Community Rating System
Class 8 (10% premium discount)
Nearby Flood Policies
16 in force
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 406 Mayflower is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Low lower than 80% of the US · lower than 94% of Texas
Wildfire Likelihood
0.02% annual chance
Exposure
Indirect within ember reach
Adjoins Burnable Land
Yes
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
GREEN VALLEY SUD serves 52,497 people · EPA ID TX0940020
Water Source
Purchased surface water from several systems
Last State Inspection
Jul 2024
Lead
2 ppb (2023–2025) action level 15 ppb
Violations Reported to EPA
Water Quality
None last 10 years
Treatment and Procedure
None last 10 years
Monitoring and Reporting
4 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 791 locations within half a mile, as of December 31, 2025
Provider
Max Down / Up (Mbps)
AT&T Fiber
5,000 / 5,000
Spectrum Cable
1,000 / 1,000
May also be available: Guadalupe Valley Electric Cooperative, Hotwire Communications, Verizon, VTX Communications.