Flood insurance suffers from a naming problem in Arizona: people hear “flood” and picture rivers, not the August afternoon when a monsoon cell parks over the neighborhood and the wash behind the house decides to reroute through the garage. The policy is for the second thing, and the second thing happens here regularly.
What’s covered
Flood insurance covers direct physical damage caused by flooding, which the NFIP defines roughly as water inundating normally dry land. Coverage comes in two parts, purchased separately or together.
Building coverage handles the structure: foundation, walls, electrical and plumbing systems, HVAC, water heaters, built-in appliances, and attached fixtures. Contents coverage handles what’s inside: furniture, clothing, electronics, and portable appliances. The split matters because plenty of people buy building-only coverage (often at a lender’s insistence) and discover after the fact that their belongings weren’t included.
What’s not covered
The exclusion list deserves equal attention. NFIP policies provide no additional living expenses, so if flooding makes your home unlivable, the hotel is on you. Finished basements get sharply limited coverage. Landscaping, pools, fences, and most detached structures are out. Currency, valuable papers, and cars are out (vehicles fall to your auto policy’s comprehensive coverage).
And the boundary in the other direction: water from a burst pipe or a failed water heater is generally a homeowners matter, not a flood claim. What flood insurance covers is water that rose from outside.
NFIP versus private flood
For decades the federal NFIP was effectively the only option. Now private flood carriers compete in Arizona, and the comparison is worth running. NFIP caps residential building coverage at $250,000 and contents at $100,000; private policies often go higher, include loss of use, and sometimes price better, particularly outside high-risk zones. NFIP’s advantage is stability: it doesn’t non-renew you for being in a flood zone, which is its entire purpose.
We quote both and show the differences side by side.
Who should think about it
Lender-required purchases in mapped A and AE zones answer themselves. The more interesting group is everyone else: homes near washes, at the base of slopes, downhill from new development that changed drainage, or near recent burn scars where the ground sheds water. A meaningful share of flood claims come from outside high-risk zones, and policies there are usually inexpensive. If you’ve ever watched water move across your property during a storm and wondered, that’s the signal to ask for a quote before next monsoon season, not during it.