Blog · October 14, 2026 · Nevada
Using the Henderson Flood Zone Map
The zone on FEMA's map affects insurance, building and resale near Mesquite.
Main page: Clark County, NV GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Before an offer near Las Vegas, pull up the Henderson flood zone map: the zone on that map shapes insurance, building rules and resale. Covered here for Henderson: finding the address on FEMA's map, decoding A, AE and X, and pairing it with the County Parcels in Nevada layer in ArcGIS Map Viewer.
Checking the Henderson flood zone map step by step
The official source is FEMA's Flood Map Service Center: search an address around Mesquite, and choose the dynamic map. Rural land near Boulder City with no street number can still be found: zoom in from Interstate 15 and click the spot.
The free map to start with
Go first to the County Parcels in Nevada layer in ArcGIS Map Viewer; it covers each tax parcel around Las Vegas and Boulder City. For property near North Las Vegas, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. For a parcel near Boulder City, the record panel typically gives the owner of record, assessed acreage, the parcel number and often a sale date.
Clark County in a few facts
Las Vegas is the county seat, home to the main records offices. Other places on the map include Boulder City, North Las Vegas, and Mesquite. About 2,336,573 people live in Clark County (Census Bureau estimate, 2023) across some 7,892 square miles. Features like Colorado River, Lake Mead, and Avi Kwa Ame National Monument help you orient on the aerial around Mesquite.
Henderson and the county around it
Henderson is part of Clark County, Nevada, which means parcel data comes from the county. For acreage around North Las Vegas, City or town hall handles things like zoning, permits and utilities for lots inside the boundary, while the county keeps the tax map. Lots just outside the town limits out by Boulder City often follows county rules instead.
Zones on the Henderson flood zone map
Zone AE includes a base flood elevation (BFE), while plain Zone A does not; that elevation drives building rules near Mesquite. With a lot near North Las Vegas, shaded Zone X marks moderate flood hazard, between the 1% and 0.2% annual chance floods; unshaded X is minimal risk.
Lining it up with the parcel map
FEMA doesn't draw property lines, so pair it with the County Parcels in Nevada layer in ArcGIS Map Viewer for the outline of the tract near Las Vegas.
Sections, lots and bearings
Nevada uses the Public Land Survey System, so deeds around Las Vegas reference sections and townships. Each section is nominally a mile square, about 640 acres, with 36 sections to a township, though sections near Mesquite can be irregular. Keep the legal description for land near Mesquite for any title or survey request.
Neighboring parcel maps
Clark County touches Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Lincoln County, and Nye County, and each of those keeps its own parcel map. A tract near the line by Boulder City may show up across two assessors' files, so open the neighboring map before you assume the acreage. For a tract near Mesquite, the Platbookmapper state page links every neighboring county map across Nevada.
Questions to ask before you buy
Ask the seller about past flood claims for the house near North Las Vegas; an insurance quote early avoids surprises.
Low spots and local drainage
Low-lying fields near Mesquite may not have detailed mapping, so look for water marks and debris lines. Wet ground around Mesquite is a separate issue from flood zones; check the National Wetlands Inventory mapper for a first look.
Who handles what
For assessment questions about property around Mesquite belong with the County Assessor, the office behind the parcel record. Building or septic questions for a lot near Las Vegas go to planning, building or health offices, town or county, depending on location.
What a flood zone means for a buyer
For land near North Las Vegas, an Elevation Certificate from a surveyor helps: it can change the insurance price a lot. New construction in a floodplain near Mesquite can trigger elevation rules; ask the local floodplain administrator before you plan.
Using it on a phone
Most viewers work in a phone browser, useful out on a road near Mesquite, but coverage can be spotty out of town. A printout of the tract near Mesquite helps when you meet an owner or agent.
Henderson: common questions
Does the county parcel map show flood zones around Las Vegas?
Short answer: some county viewers include a FEMA flood layer; confirm a lot near Boulder City on FEMA's map either way.
How often are flood maps updated in Henderson?
For most people, zones near North Las Vegas can shift when FEMA updates a panel, so look at the panel date.
What is a base flood elevation around Boulder City?
Short answer: the base flood elevation is the water level expected in the 1% annual chance flood; surveyors near Las Vegas use it often.
Where can I see the Henderson flood zone map for free?
For most people, look up the spot near Las Vegas in FEMA's National Flood Hazard Layer viewer; no account is needed.
What's the tax parcel number used for around Mesquite?
It's the number the County Assessor uses to track a tract near North Las Vegas, and it's on the record panel and tax bills.
Open the official Clark County, NV parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.