Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 835 W 23rd St in Zone X, an area of minimal flood risk, though there have been 10 flood claims nearby since 2008.
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 218 policies
Community Rating System
Class 5 (25% premium discount)
Nearby Flood Policies
218 in force
Nearby Flood Claims
10 (2008–2024)
Claims Outside the SFHA
1 of 10
Most Recent Claim
Jul 2024 · Hurricane Beryl
Claims by Event
Hurricane Beryl, Jul 2024 · 2 claims
Hurricane Harvey, Aug 2017 · 2 claims
Severe Storms, Tornadoes, Straight-line Winds And Flooding, May 2015 · 3 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
The area around 835 W 23rd St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
Not rated no burnable land within 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
CITY OF HOUSTON serves 2,970,543 people · EPA ID TX1010013
Water Source
Surface water
Last State Inspection
Oct 2025
Lead
5 ppb (2024) action level 15 ppb
Violations Reported to EPA
Water Quality
Turbidity resolved · May 2025
Treatment and Procedure
None last 10 years
Monitoring and Reporting
None 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 1,316 locations within half a mile, as of December 31, 2025
Provider
Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area