Arizona Monsoon Season: A Post-Storm Checklist for Vacant Homes

Monsoon damage is rarely dramatic on the day. A storm passes, the street dries, and the house looks untouched from the kerb. The problems that cost money are usually the ones that began during the storm and were not visible until something else failed weeks later.

That is the case for a structured post-storm walk rather than a glance. This checklist is written for a property that is sitting empty, where nobody is going to notice a stain spreading across a ceiling.

Walk the exterior first

Start outside and move around the whole structure rather than checking the obvious elevation and stopping. Look for displaced roof material, branches resting against the structure, damaged screens, fence problems and patio items that have moved.

Check the ground as carefully as the building. Unusual debris on the ground often points to damage higher up — granules washed from roofing, fragments of tile, pieces of flashing or trim. Debris is evidence, and it is easier to see than the place it came from.

Look at trees with an eye to the next storm rather than only the last one. A branch that shifted, a lean that was not there before or exposed roots are all worth reporting even when nothing has fallen yet.

Check drainage and water paths

Look around roof drainage, patios and the low areas near the foundation. Standing water, fresh erosion channels, washed gravel or debris caught against the structure all show where water actually moved during the storm, which is often not where the design intended.

Blocked scuppers, downspouts and drains are among the most common findings and among the cheapest to fix before the next storm. Water that cannot leave the way it was meant to will find another way.

Do not climb onto a wet or damaged roof. Observation from the ground, and from windows where the roof is visible, is the appropriate limit; use a qualified professional when closer inspection is warranted.

Go inside and use your senses

Inside, the earliest signs are often not visual. Smell matters: a musty or damp odour in a closed house can precede any visible mark. So does sound, and so does the feel of the air, since a house that has lost cooling announces itself immediately.

Then look deliberately at ceilings, the tops of walls, around windows and doors, and at flooring near exterior walls. Check under sinks and around water heaters. A stain that is new is far easier to identify when previous visits were documented.

Confirm that power-dependent systems appear to be operating: HVAC, refrigerators, freezers, sump or pool pumps, alarms and any water-leak sensors. A brief outage during a storm can leave equipment off or in a fault state long after power returns.

  • Exterior: roof material, flashing, screens, fences, patio items, tree condition
  • Ground: debris, granules, fragments, fresh erosion, standing water
  • Drainage: scuppers, downspouts, drains, low points near the foundation
  • Interior: ceilings, wall tops, window and door surrounds, flooring at exterior walls
  • Smell and air: damp or musty odours, unusual warmth or humidity
  • Systems: HVAC, refrigeration, pumps, alarms, leak sensors, breaker panel

Document before arranging repairs

Photographs and written notes taken before anything is moved or repaired create a timeline that is useful to the owner, the vendor and anyone else who later needs to understand what happened and when.

Photograph the wide context as well as the close detail. A close-up of a stain proves the stain exists; a wider frame showing where it sits relative to a vent, a valley or a window is what helps a roofer work out the cause.

Consistent documentation across visits is what turns a single observation into evidence of change. Mountain Vista provides post-storm inspections with photo reporting and local response, so seasonal owners hear about visible issues within days rather than discovering them on arrival.

Property note: A post-storm inspection is a visual observation of accessible areas. It does not replace a licensed roof, structural or insurance inspection, and it cannot identify damage that is not visible.

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