Why the Standard Schedule Needs a Local Adjustment
Twice-yearly inspection is the right baseline nationally, but the usual "spring and fall" framing assumes a winter freeze-thaw climate that doesn't quite match New Mexico's pattern. Here, the two moments that matter most are before monsoon season starts and after it ends. Everything else follows from those two checkpoints.
Pre-Monsoon Checklist (Late May – Early June, Before June 15)
- Clear gutters, downspouts, and any flat-roof drains or scuppers. This is the single most preventable cause of monsoon drainage failure, covered in more detail in our flat roof drainage article.
- Check for any existing granule loss, curling, or cracked shingles from the dry season's UV exposure. These are the spots most likely to fail under monsoon wind and hail.
- Inspect flashing around chimneys, vents, and skylights. A full year of thermal cycling since the last check can loosen seals that were fine last season.
- Trim back any tree branches that could scrape the roof or drop debris into gutters once monsoon wind picks up.
Post-Monsoon Checklist (October, After September 30)
- Walk the property for any damage from the season's storms. Hail bruising, wind-lifted shingles and granule loss aren't always obvious from the ground, and they're easy to miss without a deliberate look after a full monsoon season.
- Check for standing water on any flat or low-slope sections. If ponding took longer than 48 hours to drain after any storm (see our flat roof drainage article for why that number matters), it's worth having someone assess the cause.
- Clear gutters again. A full monsoon season deposits debris even where dry-season buildup was already cleared in spring.
- Note any repairs needed before winter. New Mexico's freeze-thaw cycling is milder than in snowier states, but it still stresses existing damage that goes unaddressed.
When to Inspect Outside the Regular Schedule
Beyond the twice-yearly baseline, an additional inspection is worth scheduling after any storm with sustained winds over 50 mph or hail an inch or larger in diameter. Those thresholds come from industry damage-testing protocols, so they aren't arbitrary numbers. If a roof is within five years of its material's expected lifespan (see our roof lifespan article for local-adjusted numbers by material), annual inspection becomes more appropriate than waiting for the next scheduled check.
What This Means Practically for Homeowners
- Put both checkpoints on a calendar now, not as an afterthought. Late May and October are easy to let slip by without a specific reminder.
- A quick self-check from the ground with binoculars catches obvious issues between professional inspections, but it doesn't replace one. Some damage isn't visible from ground level.
- Keep a simple record of what's been checked and when. It helps you track the roof's condition over time, and it helps with insurance if a claim ever comes up. A documented maintenance history can help show a roof was properly maintained, which sometimes matters in a claims dispute.