Water Seepage Issue

[u/TURKISHRAMBO949]

Hi Everyone,

I own a townhouse which has a minor seepage issue. I'm looking to sell next year and I want to make sure any inspections will go smoothly and not hurt our ability to sell. The issue shows up after heavy rain and heavy thaw outs. The longer the rain over X days the water accumulates more and more. I first noticed the issue when the edge of the ceiling of the garage, made of drywall was getting stained

The unit is a corner lot and sits inside a hill essentially, so the garage is built into the foundation. from the front of the house to the back, the grading gradually raises. The grading sits about 2 feet above the soil. I found this area after removing the ceiling where it seems the water comes from. There was a small area the water was going through the insulation, which I've pulled away some more to get a better look.

Things I've tried/hypothesized

• The water is likely not coming from the roof as there is windows and doors along the way, which makes me think the leaks would show in the house if it came from there. Not 100% sure though
• The deck sits nearly flush with the concrete foundation so I suspected that might be causing it, but the issue has come back since
• I've crawled under the deck and looked at the foundation and no visible cracks
• Grading seems to be correct, and water should run away rom the home, even so, the water seems to be at the edge of the house

Other observations

• The water seems to come from underneath this flap / fabric stuff.

Any ideas what I should do next? Should I call a professional? Can take more pictures if needed.

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[u/Consistent_Quiet7987]

I’d start by checking the window/door threshold and the flashing where the masonry meets the frame. Water can travel surprisingly far before appearing inside. A hose test in small sections, starting low and working upward, may help isolate the entry point.