A Practical Checklist for Maintaining Your Home Exterior and Foundation

Many new homeowners often overlook the maintenance that the outside of the house requires. They are usually caught up with the excitement and responsibilities of the inside of the house, leaving the exterior unattended until a problem arises. If not caught in time, repairs can become extremely expensive and time-consuming to fix, so it’s better to prevent than to repair.

The perimeter walk: your most underrated inspection tool

Make it a routine to walk your property’s bordering areas during or immediately after a rainstorm. Not just a quick look from the porch – physically walking the complete perimeter and observing where the water flows. Any pooling within five feet of your foundation wall poses a threat. The gathered water generates hydrostatic pressure, which then gradually pushes against your foundation, leading to cracks and water seepage.

While you’re at it, assess your soil grade. The soil should be slanting away from your house at a steady gradient. If it’s flat, or even sloping towards your house, you’re sending rainwater right into the base of your walls. Re-grading is a manageable task for most situations and doesn’t require a contractor – simply add some topsoil and reshape the gradient which is a weekend’s work but could save you years of having a damp basement.

Gutters and downspouts do more work than you think

Cleaning your gutters twice a year isn’t the most fun job, but it’s right up there with the best home maintenance tasks that ensure costly repairs won’t be needed. When your gutters plug up and water overflows the leaf block, it’s pouring down the fascia of your home – that’s the board edge where the gutters are attached. This sends sheets of water down the side of the home and directly into the soil at your foundation.

Luckily, cleaning your gutters is a simple job. Most folks can do this themselves. Replacing rotted-out wood, or even worse, mold remediation in your basement or crawl space, is not so easy or cheap. The part of gutter maintenance that most homeowners skimp on is maintaining proper discharge from the downspout. You need to move that water at least three to six feet away from your house. A short little extension that comes off the downspout and is only two feet long but angled away from the wall is still dumping water and saturating the soil near your foundation. Buy some inexpensive extenders. If your yard is in such a low spot that the water is being drawn right back to the home, consider a buried drainage pipe to carry that water further out—something water damage tempe professionals recommend to prevent foundation issues and costly repairs.

Reading your exterior for hidden moisture signals

Small cracks that appear in stucco, or in between the siding and trim, may look minor, but they’re often not. Thermal expansion widens the gap over seasons. Once a crack is large enough for water to enter, moisture becomes trapped behind the surface layer and causes spalling, material breaking in flakes or chunks.

Seal these early with elastomeric caulk or an elastomeric paint product, which stays flexible through temperature changes instead of becoming brittle. Seals around every exterior penetration should also be maintained: hose bibs, dryer vents, electrical conduits, gas line entries – these are consistently the most common entry points for slow-leak water damage. A failed seal around a dryer vent might let in a trickle, but over months that moisture works into the wall assembly before anyone notices.

Those white, powdery deposits you see on your basement or foundation walls? That’s efflorescence, a salt residue left behind when water passes through masonry. It won’t hurt you, but it’s a reliable sign that moisture is moving through the wall. Don’t just brush it off. Find where the water is getting in.

Dry climates have their own foundation risks

Homeowners in arid regions often assume drainage isn’t their problem. The risk is different, not absent. Expansive clay soils – common in desert Southwest climates – shrink dramatically during dry periods and swell when they finally get water. That repeated cycle puts mechanical stress on your foundation from below. An estimated 25% of all homes in the United States will experience some form of structural distress during their lifetime, with a significant portion tied to expansive soils and poor drainage (American Society of Civil Engineers).

In very dry summers, running soaker hoses along the foundation perimeter at consistent intervals keeps soil moisture relatively stable, which reduces the shrink-swell movement beneath your slab. This is counterintuitive to most new homeowners, but restoration professionals see foundation problems linked to drought conditions as often as they see issues from heavy seasonal rains.

After monsoon events, do your perimeter walk. High-volume rainfall after an extended dry period hits concrete-hard soil that can’t absorb quickly, and that runoff goes somewhere.

Building the habit before it becomes urgent

You don’t need specialized tools or professional training for any of these. You just need to be diligent and observant. As soon as you’re done reading this, put down two gutter cleanings. Then do a walk-around after the next rain. Check your exterior caulk lines when you do your spring cleaning. Get a flashlight and check those seals around every exterior penetration while you’re at it. It won’t take long, I promise.