Neighborhood · Flood Risk
FloodMapsGet a detailed flood report of any Houston property
MAAPnext 2026 Status
Significant Expansion Expected
Addicks Reservoir overflow data being incorporated into new maps
Primary FEMA Zones
Harvey Impact
Severe2,400+ FEMA claims filed in 2017
Primary Watershed
Cypress Creek
Drains into Addicks Reservoir via west Harris County
Est. Flood Insurance Cost
$1,500–$4,200
Based on estimated annual flood insurance premium
Drainage Infrastructure
Addicks Reservoir overflow zone
USACE-managed flood control reservoir with pool encroachment concerns
Many will soon. A growing number of Cypress properties are being reclassified into FEMA Zones AE and A under MAAPnext, particularly near the Addicks Reservoir and Cypress Creek. Properties previously considered ‘safe’ in Zone X are entering the Special Flood Hazard Area as FEMA incorporates updated reservoir overflow modeling. Premiums range from $1,500 to $4,200 annually.
Yes, significantly. MAAPnext 2026 maps are expected to dramatically expand the Special Flood Hazard Area in Cypress by incorporating Addicks Reservoir overflow data for the first time. Homes that were never previously mapped in a flood zone may now require mandatory insurance. This is the most significant FEMA map expansion anticipated for any northwest Harris County community.
Severely. Cypress recorded over 2,400 FEMA flood damage claims after Harvey in August 2017. The Addicks Reservoir reached record pool levels, and homes near Cypress Creek experienced 2–5 feet of inundation. Many flooded properties had never been in a mapped flood zone, blindsiding homeowners who assumed they were safe from major flooding events.
Cypress sits directly in the Addicks Reservoir overflow footprint, which wasn’t fully modeled in prior FEMA maps. During Harvey, the reservoir exceeded its design pool elevation for the first time since construction in 1948. MAAPnext is now incorporating this overflow data, meaning previously ‘safe’ subdivisions are being reclassified into the SFHA — a change affecting thousands of homeowners.
It depends on the specific property. Cypress’s flood risk is shifting rapidly under MAAPnext — homes that were Zone X yesterday may be Zone AE tomorrow. Addicks Reservoir proximity is the key variable. A FloodMaps report shows your exact elevation, reservoir overflow exposure, current and proposed FEMA zone, Harvey damage history, and AI-analyzed risk score.
Cypress is a rapidly growing community in northwest Harris County facing some of the most significant FEMA flood map changes in the Houston metro area. Located near the Addicks Reservoir and along the Cypress Creek watershed, many properties previously outside any flood zone are being reclassified into Special Flood Hazard Areas under MAAPnext 2026 — making property-specific flood analysis more important here than almost anywhere else in Houston.
FloodMaps provides address-level flood risk reports for every property in Cypress, combining FEMA flood zone designations, USGS 3DEP LiDAR elevation data, Addicks Reservoir overflow modeling, Cypress Creek proximity analysis, Hurricane Harvey damage records, subsidence monitoring, and live Houston 311 flood reports. Each report includes base flood elevation comparisons, freeboard calculations, and an AI-powered risk summary.
If you’re considering purchasing a home in Cypress, evaluating your flood insurance requirements, or want to understand how Addicks Reservoir overflow zones and MAAPnext reclassifications could affect your property, search your address for a comprehensive flood risk analysis — including reservoir overflow data that traditional FEMA flood maps have historically excluded.