Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 4204 Mark Twain Blvd in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1997.
Source: FEMA National Flood Hazard Layer, effective October 4, 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 10 policies
Community Rating System
Class 8 (10% premium discount)
Nearby Flood Policies
10 in force
Nearby Flood Claims
5 (1997–2024)
Claims Outside the SFHA
4 of 5
Most Recent Claim
Jun 2024 · Severe Storms, Straight-line Winds, Tornadoes, And Flooding
Claims by Event
Severe Storms, Straight-line Winds, Tornadoes, And Flooding, Jun 2024 · 2 claims
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 4204 Mark Twain Blvd is moderate, ranking above 45% of the US, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Moderate above 45% of the US · lower than 81% of Texas
Wildfire Likelihood
0.06% annual chance
Exposure
None beyond ember reach
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
TOWN OF FLOWER MOUND serves 80,000 people · EPA ID TX0610023
Water Source
Purchased surface water from several systems
Last State Inspection
Feb 2024
Lead
2 ppb (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
1 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 126 locations within half a mile, as of December 31, 2025
Provider
Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area
1,000 / 1,000
Verizon Fixed Wireless
1,000 / 75
May also be available: Astound Broadband, AT&T, Frontier, Hotwire Communications.