Water keeps getting in the house during heavy rain
Heavy rain overwhelms existing doors, garage thresholds, and drains, allowing water to pool inside the living spaces and garage. This sudden flooding forces residents to constantly manage overflowing entry points and deal with moisture damage from structural vulnerabilities.
What the numbers show
Counted from the threads quoted below. How we count
- The most recent one is from October 2026.
- This comes up 8.0× more often in r/homeowners than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1installing channel drainsDid this help you?
- 2contacting contractors to widen or deepen drainsDid this help you?
- 3Vacuuming out the drain line to remove clogsDid this help you?
- 4Checking or correcting the drainage slopeDid this help you?
- 5Pouring vinegar or cleaning agents down the drain lineDid this help you?
- 6Installing automated water shutoff valvesDid this help you?
- 7Adding bypass and drain valves to plumbing systemsDid this help you?
- 8Turning off the main water valve to check if the water meter movesDid this help you?
- 9Checking around the outside of the house for moistureDid this help you?
- 10Inspecting the localized pattern of water tracking along foundation footingsDid this help you?
- 11Hiring a professional leak detection company with acoustic or tracer gas equipmentDid this help you?
- 12Put a test plug in the drain and fill up the shower basin to see if the water level drops.Did this help you?
- 13using a hose to spray different sides of the house to test for leaksDid this help you?
- 14considering replacing all vinyl siding versus repairing only the side with active leaksDid this help you?
- 15using a spouse's waterpik to clear out tracksDid this help you?
- 16running a pipe cleaner and water through the weep holesDid this help you?
- 17hiring a handyman to run an air compressor at high PSIDid this help you?
- 18pouring bleach-y water in the trackDid this help you?
- 19scrubbing tracks with a rag, wide-end screwdriver, or old toothbrushDid this help you?
- 20reassuring yourself that the house has stood for a long timeDid this help you?
- 21adding clay heavy soil to grade the lawn away from the houseDid this help you?
- 22using gutter extensions to direct water awayDid this help you?
- 23Paying out of pocket for repairs instead of filing an insurance claimDid this help you?
- 24Avoiding the use of the leaking fixture until a future bathroom renovationDid this help you?
- 25Posting photos and questions across multiple online forums to gather opinionsDid this help you?
- 26Continuing normal use while trying to judge safety risks based on subjective adviceDid this help you?
- 27Scheduling a professional inspectionDid this help you?
- 28Wondering whether to restrict water usage in the basementDid this help you?
- 29Paying a foundation repair company thousands of dollars for professional excavation and exterior fillingDid this help you?
- 30Buying a DIY concrete foundation crack repair kit to perform low-viscosity epoxy or foam injections yourselfDid this help you?
- 31Pulled away furnitureDid this help you?
- 32Replacing windowsDid this help you?
- 33Replacing composite wood floors with LVPDid this help you?
- 34Filling crevices on the interior with expansion foamDid this help you?
- 35Installing guttersDid this help you?
- 36relying purely on caulking to prevent water intrusionDid this help you?
- 37using spray foam around the frameDid this help you?
- 38Testing potential entry points using a garden hoseDid this help you?
- 39Replacing components like the whirlybird with a turboDid this help you?
- 40Applying sealant or caulk to suspected entry pointsDid this help you?
- 41adjust the sprinklers so they stop blasting the houseDid this help you?
- 42dig down a little on the outside and slap some waterproofing on that jointDid this help you?
- 43check the grade too, make sure dirt isn't sloping toward the foundationDid this help you?
- 44Plugging all the drainsDid this help you?
- 45Shutting off the hot water valveDid this help you?
- 46Putting a bucket under the sink and turning on the tap to testDid this help you?
- 47Ensuring water flows away from the foundation via proper slope and extended downspoutsDid this help you?
- 48Running a dehumidifier in the basementDid this help you?
- 49Avoiding interior sealants like drylok or kilz because the wall needs to breatheDid this help you?
- 50Installing a small collector head and downspoutDid this help you?
- 51Properly flashing and counter flashing down past the fasciaDid this help you?
- 52Scraping out old caulk, filling the tub with water, and recaulkingDid this help you?
- 53Checking the crawl space for water stains on the subfloorDid this help you?
- 54Call a professional roofer company.Did this help you?
- 55changing the air filter monthlyDid this help you?
- 56consulting with a plumbing journeyman acquaintanceDid this help you?
- 57Checking if the wall or floor is softDid this help you?
- 58Applying a small tube of siliconized acrylic or bathroom caulkDid this help you?
- 59Waiting for the area to dry thoroughlyDid this help you?
- 60Using an adhesive plastic splash guard to stop water from escaping the shower curtain areaDid this help you?
- 61Mudding and painting over the damaged section once dryDid this help you?
- 62Applying silicone sealant around the edge of the grommetDid this help you?
- 63Removing the grommet, filling the hole with silicone, and reinstallingDid this help you?
- 64Creating a drip loop in the cable below the entry point so water drips onto the groundDid this help you?
- 65Ripping out wet drywall to the perimeter until reaching dry areasDid this help you?
- 66Searching for a water damage remediation specialist on Yelp or GoogleDid this help you?
- 67Going into the crawlspace to inspect the liner and find signs of the leakDid this help you?
- 68Cutting open the back of the cabinetDid this help you?
- 69Cutting out all the old cast iron and galvanized pipingDid this help you?
- 70Waiting for a professional technician to arriveDid this help you?
- 71Considering placing a cup to catch the dripsDid this help you?
- 72Placing a water leak monitor near the unitDid this help you?
- 73Relying on the primary PVC drain lineDid this help you?
- 74Turn off the AC to see if the dripping slows downDid this help you?
- 75Place a bucket underneath the bubbleDid this help you?
- 76Call an HVAC technician or other professionalDid this help you?
- 77Digging outside to fix the sourceDid this help you?
- 78Repairing the leaking water lineDid this help you?
- 79Using a shovel to address the ground water sourceDid this help you?
- 80Checking the outside grading, gutters, and downspouts to move water away from the foundationDid this help you?
- 81Removing built structures or leaving an air gap between finished walls and cinderblockDid this help you?
- 82Exterior excavation and sealing or installing an interior drainage system with a sump pumpDid this help you?
- 83Drilling drain holes in the J channelDid this help you?
- 84Poking around with a stiff brush to clear debrisDid this help you?
- 85Checking for missing sealant or failed caulk around the door frameDid this help you?
- 86Installing proper continuous flashingDid this help you?
- 87Asking electricians or plumbers for help to diagnose and seal the pipesDid this help you?
- 88Tearing apart part of the wall to look for the sourceDid this help you?
- 89Inspecting pipe penetrations and concrete around the main drain exitDid this help you?
- 90Checking outside directly opposite the wet spotDid this help you?
- 91adding a temporary surface extender to divert water away from the foundationDid this help you?
- 92pulling back the vapor barrier to let insulation dry outDid this help you?
- 93patching the concrete crack with hydraulic cement from the insideDid this help you?
- 94hiring a plumber to snake out underground blocked downspout pipesDid this help you?
- 95Cleaning up surface water manuallyDid this help you?
- 96Pointing a big fan at the wet spotsDid this help you?
- 97Cranking up the heatDid this help you?
- 98filing an insurance claimDid this help you?
- 99replacing the wax ringDid this help you?
- 100cutting a hole around the drywall anchor to inspect the pipeDid this help you?
- 101calling a plumberDid this help you?
- 102Searching for alternative shutoff valvesDid this help you?
- 103Contacting property managementDid this help you?
- 104Calling the fire departmentDid this help you?
- 105Filing an insurance claim for remediationDid this help you?
- 106trying to seal the assumed problem areaDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“We had a literal waterfall in our living room.”source ↗
“The next day I checked all the weep holes in the windows and they were completely clogged which allowed water to build up quickly and make its way into the house.”source ↗
“with the rainy season, water was seeping into the drywall interior walls and the shelves, and both are starting to rot and grow mold.”source ↗
“The house I recently purchased has a coax cable that from to the family room through the exterior, it has a grommet on it, but i noticed the lip of the grommet doesnt entirely sit flush with the siding. Can water get in through this grommet as it is now? I tried pressing it flush and the grommet wont go any further into the hole.”source ↗
“3 days after we moved in, the ceiling started leaking.”source ↗
“Then last week the ceiling started leaking.”source ↗
“What’s your take? Isn’t this the type of repair the insurance will/ should cover? We’ve never made a claim for anything, isn’t this what we’re paying for? Or is my husband right that it will just make things worse (financially)?”source ↗
“We don't have dehumidifiers on hand. What do I need to do next? Who should I contact?”source ↗
“We took apart all the flooring in the house for renos and noticed indications of water leaks on the subfloor. All of them were near windows.”source ↗
“After a storm one day I noticed wetness and took apart the drywall and found a ton of rot. There were three leaks on that wall.”source ↗
“We’re about to put new flooring in but are not sure how to go about the exterior repairs.”source ↗
“Ever since the 2nd or 3rd (out of five) year we have lived here, we have dealt with water issues when it has rained hard enough at our back door on the ground floor, front door on the ground floor, and also with our garage with water getting in under the garage doors as our driveway slopes down from the street to our garage doors.”source ↗
“All hell broke loose. The front door drain worked, but everything else didn’t. It all got overwhelmed and 3 new problems popped up.”source ↗
“I just had a Handyman come to my house to run an Air Compressor at like 200PSI and unclog the interior weep holes of my track and while we blocked off everything except one exit, we could not get it cleared.”source ↗
“Located in my basement.. I'm having someone come out to check it out soon anyways since I need some other stuff taken care of, but I just want to know what to expect.”source ↗
“It seems to be a relatively new issue... Unfortunately unable to access anything else since it's behind a wall.”source ↗
“It seems like the water line was sleeved through a large PVC pipe through my foundation. Of course it is the one leak in my basement.”source ↗
“I was wondering if there is any product I can use to seal this for now.”source ↗
“just had a coworker incur >100k in damage after a toilet supply popped and ran full bore for three days while no one was home.”source ↗
“The water you’re seeing is likely sewage escaping the drain.”source ↗
“I have mystery water leaking out in my basement.”source ↗
“I am trying to determine if this is natural land seepage or if this is this an actual plumbing leak?”source ↗
“Yesterday, I turned off the main water valve for the house, checked the meter which wasn’t moving, but came back down to the basement and still saw water seeping out of the ground/foundation.”source ↗
“The problem I have is that there are pipes that are behind that foundation wall (that has water damage) but they are mostly inaccessible.”source ↗
“I noticed on my water bill this last month is much higher than previous months. The problem is the meter isn’t moving when I turn off the plumbing to the house.”source ↗
“Really?? I'm getting so much conflicting info on different subs I've posted about this floor on. Some people are saying the whole thing is in danger of imminent collapse, some are saying it's not going to all give out but the leak is an emergency, some people are saying it's fine for now...”source ↗
“So the leak that's going through to our basement isn't an emergency?”source ↗
“I am so worried it’s going to happen again at a time we aren’t here to quickly react to it”source ↗
“Just found this under the bathroom sink.”source ↗
“Last night there was a sewagey smell in the bathroom and I couldn’t figure out where it was coming from it, so I plugged all the drains.”source ↗
“Is this coming from the pipe or is it coming from the floor?”source ↗
“The hot water valve on the sink has been shut off because there was a leak coming from the bottom of the faucet, even when the water was off.”source ↗
“After dumping water in my kitchen sink I saw that water was leaching out of the side of my house.”source ↗
“With the way the pipe juts away from the wall and how water was coming out of my house I can only assume that the leak is in the wall itself.”source ↗
“If I was dealing with a simple leak under the sink it'd be a cakewalk, but now I'm looking at a much more complicated repair.”source ↗
“It's ground water in the middle of this Nor Easter.”source ↗
“I have no idea how to stop it please help”source ↗
“I would but the entrance is so narrow so i cant even see where it actualy is”source ↗
“I dont see any shut-offs there. Keep looking.”source ↗
“I am having a problem with moisture under my floors radiating from the shower. There is a waterproofing problem with the shower somewhere and this drain looks very suspect. Could it be the source of the problem?”source ↗
“Our bathtub is leaking and our bathroom floor has been cracking more and more.”source ↗
“We noticed a very small (smaller diameter than a pencil) intential opening directly under the upstairs toilet when it began suddenly leaking when the toilet is flushed.”source ↗
“A little bit of water seepage through it today, but not enough to get standing water just a damp spot.”source ↗
“It’s like the lowest level of bricks are recessed when viewing from the inside.”source ↗
“Hi all! I have a small leak through cinderblock from my “pit” it’s a 6”x7” opening from my garage floor to my basement.”source ↗
“We just got a ton of rain over 3 days and it’s the only spot that had some get through.”source ↗
“Ok. I grew up in an apartment. Never had to deal with this before and nobody to show me how to deal with a house. This is all pretty new to me.”source ↗
“After a huge rainstorm, we noticed some water seeping in through a crack in the basement.”source ↗
“We had a foundation repair company quote 4k to fill the crack from the outside.”source ↗
“Also could we potentially DIY this? If so, how?”source ↗
“Recently hired a contractor to put these windows in and lately have been getting water from above between the wood sheathing and the metal and have just been wondering if the window is installed right?”source ↗
“The wall at the top is the front of my house where my front bushes with tall sprinklers sit. Sometimes they get turned and spray on the house.”source ↗
“Thinking where the block meets the foundation is letting moisture in?”source ↗
“Water will come in from this stair light only if we have heavy rain.”source ↗
“Who would I call to come fix it?”source ↗
“I recently noticed this moisture damage next to my shower/tub. I’m assuming that it’s moisture leaking from that connection point between the tub and the wall but would appreciate any help on diagnosing and fixing this.”source ↗
“So, I woke up to this lurking on the ceiling of the first floor. The area was normal when I went to sleep, so it seems to have formed overnight.”source ↗
“I'm not even sure who to call at this point, HVAC, plumber, roofer? 😮💨 Also, do I pop it?”source ↗
“Hey all, been having some issues with water coming in from the top of my sliding door that is supposed to be covered by a patio roof.”source ↗
“But now I am again having water intrusion from the same place, despite the gutter still holding up fine.”source ↗
“I had a similar issue where leaves and shingle grit had built up just enough to dam the water and send it sideways under the siding.”source ↗
“Weve had a bit of a leak recently into our finished basement.”source ↗
“Any ideas as to why this random piece of wood is nailed into the foundation wall like this?”source ↗
“From what we can tell, its only when it rains.”source ↗
“There was a big rainstorm recently that caused water to leak through. This is just an assumption as the leak was localized to one particular spot of our basement.”source ↗
“What are my options? I know very little about DIYing but this seems out of my wheelhouse...”source ↗
“What are my options at this point?”source ↗
“Water from the condensing coils is splashing around getting on the floor and wall walls.”source ↗
“So about 2 weeks ago I started to notice the tile change colors.”source ↗
“Saturday my wife said she heard droplets coming from the vent, I took it off yesterday and didn’t see anything, I did change the filter and that had some moisture on it.”source ↗
“Today we both heard the droplets so I took the vent off again”source ↗
“Woke up to water around furnace. The heat has been off since last year, just turned it on last night.”source ↗
“Figured plugged condensation line but no water is coming out of it, found a leak on the other side.”source ↗
“Water leaking inside the old furnace when heat is turned on (literally minutes after). I have a tech coming and taking a look at it tmr. I wanted to know what I can do before they come? I want to put a cup inside but I feel like I might just make it worse if it gets overfilled.”source ↗
“Roofers redid my mom's roof and the water started running into the pillar and onto the porch.”source ↗
“I notice water travelling down to the basement along the chimney.”source ↗
“When the leak kept going, he went back put DAP APEX in some spots where he suspected water might enter from. I still noticing leak but looks cloudy white which could be the caulking.”source ↗
“It keeps shooting water to the right, so now there's water all over the porch and it seems it's still getting into the pillars.”source ↗
“I have water pooling up and dripping into the basement from 3 locations along the same wall.”source ↗
“not sure what to do”source ↗
“we don’t know what to do and I’m worried about water damage to the flooring/walls/wiring. what would you recommend to do?”source ↗
“Water coming up between our first floor slab and outer brick wall... No idea where to turn at this point”source ↗
“Various pics of this random 6"-1' section of our slab that seems to be expelling water”source ↗
“the problem persisted (maybe even got worse?) after filling in this crevace on the interior with a bit of expansion foam.”source ↗
“now that there's no flooring on the slab, I've noticed the water seems to come up a full day or so after rain”source ↗
“I’m considering that I should be ready to excavate and find mold which I’ll need to remediate, possibly replacing deteriorated wood, then replace framing or boards, then redo the wall, then the tile and grout.”source ↗
“my partner and i had similar cracks in our guest bath and it was just the caulk failing nothing worse”source ↗
“There's standing water at the top of the lower pipe. This has happened before when it rains.”source ↗
“I really can’t wrap my mind around where this could be coming from.”source ↗
“Had some water get in the basement through the flooring. Carpet pad wet, carpet pretty dry in most areas. Looking to see if I should just seal the assumed problem area (close up shown) or if I should take another action.”source ↗