The 2025 property tax bill for 923 S Diamondhead Blvd was $4,963 with a homeowner's exemption, up 163.1% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
Property Jurisdictions
Type
Name
State
Texas
County
Harris County
Unified School District
Crosby Independent School District (PK - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2026
$264,000 (-3.3%)Land $50,996Building $213,004
$264,000 (-3.3%)Land $50,996Building $213,004
2025
$4,963.00 (+163.15%)Homeowner's exemption
$273,000Land $50,996Building $222,004
$273,000Land $50,996Building $222,004
2024
$1,886.00
2023
$273,919Land $50,996Building $222,923
$273,919Land $50,996Building $222,923
2022
$1,684.00
2020
$1,040.00
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 923 S Diamondhead Blvd in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1981.
Source: FEMA National Flood Hazard Layer, effective May 17, 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 56 policies
Community Rating System
Class 7 (15% premium discount)
Nearby Flood Policies
56 in force
Nearby Flood Claims
6 (1981–2019)
Claims Outside the SFHA
6 of 6
Most Recent Claim
Sep 2019 · Tropical Storm Imelda
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 923 S Diamondhead Blvd is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Low lower than 67% of the US · lower than 91% of Texas
Wildfire Likelihood
0.03% 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
NEWPORT MUD serves 13,191 people · EPA ID TX1010362
Water Source
Surface water
Last State Inspection
Nov 2023
Lead
1 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
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 545 locations within half a mile, as of December 31, 2025
Provider
Max Down / Up (Mbps)
Frontier Fiber
7,000 / 7,000
Xfinity Cable
2,000 / 250
T-Mobile Fixed Wireless
100 / 20
May also be available: Hotwire Communications, Verizon.