Said It Here

How to stop water pooling against the house from sinking concrete

Cracked and sunken pavement slabs redirect heavy rain directly toward the foundation, threatening water damage before winter. Fixing or replacing these slabs is necessary to redirect runoff away from the house and prevent pooling against the building.

Overview
People affected32 accounts across 6 forums
Workarounds found99 items attempted
Community agreement375 total upvotes

What the numbers show

Counted from the threads quoted below. How we count

  • The most recent one is from October 2026.
  • This comes up 13.8× more often in r/Landscaping 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.

99 items+ Contribute

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Installing channel drains or trench drains
    2 people mentioned
    Did this help you?
  2. 2
    Using sandbags
    Did this help you?
  3. 3
    Foam injection or foam jacking to lift and re-grade the slabs
    Did this help you?
  4. 4
    Killing weeds to prevent further cracking
    Did this help you?
  5. 5
    tuckpointing and sealing
    Did this help you?
  6. 6
    using mud jacking to level concrete
    Did this help you?
  7. 7
    Feathering the slope further out through extensive digging
    Did this help you?
  8. 8
    Directing runoff toward the street rather than neighbor structures
    Did this help you?
  9. 9
    Installing a channel or French drain to divert water to the curb
    Did this help you?
  10. 10
    Doing manual labor-intensive grading without heavy equipment
    Did this help you?
  11. 11
    digging French drains
    Did this help you?
  12. 12
    setting up a sump pump to pump water away from the house
    Did this help you?
  13. 13
    shutting off the main water supply to check for a leaking line
    Did this help you?
  14. 14
    making the downspout longer with extensions
    Did this help you?
  15. 15
    using a flexible gutter downspout extension
    Did this help you?
  16. 16
    buying 6 feet of corrugated piping and an adapter
    Did this help you?
  17. 17
    using a splash guard
    Did this help you?
  18. 18
    filling the low spot with dirt
    Did this help you?
  19. 19
    attaching 2x4 lumber to concrete using construction adhesive to create a makeshift dam
    Did this help you?
  20. 20
    using rubber water barriers normally used under shower doors
    Did this help you?
  21. 21
    using temporary sandbags
    Did this help you?
  22. 22
    cutting the concrete and installing a French drain system
    Did this help you?
  23. 23
    pouring a small concrete curb using repair mortar
    Did this help you?
  24. 24
    Applying backer rod and sealant in gaps
    Did this help you?
  25. 25
    re-configuring guttering to eliminate downspouts on that side
    Did this help you?
  26. 26
    using a downspout extension
    Did this help you?
  27. 27
    carefully excavating and building the grade to form a straight slope to the street
    Did this help you?
  28. 28
    installing a buried water collector and sump
    Did this help you?
  29. 29
    Extending the drain away from the house so it drains downhill past the A/C units.
    Did this help you?
  30. 30
    Digging a trench
    Did this help you?
  31. 31
    Using a splash block
    Did this help you?
  32. 32
    Installing a french drain with a PVC collector pipe
    Did this help you?
  33. 33
    Attaching a tube to the condensate pipes
    Did this help you?
  34. 34
    Installing a French drain along the perimeter of the garden bed
    Did this help you?
  35. 35
    Using an outflow splash block or river rock pile
    Did this help you?
  36. 36
    Adding water-loving plants
    Did this help you?
  37. 37
    Extending the downspout out into the grass
    Did this help you?
  38. 38
    re-grading away from the foundation
    Did this help you?
  39. 39
    making a swale
    Did this help you?
  40. 40
    installing French drains and a basement pump
    Did this help you?
  41. 41
    hiring landscaping companies for drainage evaluations and estimates
    Did this help you?
  42. 42
    planting native bushes
    Did this help you?
  43. 43
    installing a water feature
    Did this help you?
  44. 44
    putting down decorative gravel
    Did this help you?
  45. 45
    using flower pots instead of ground planting
    Did this help you?
  46. 46
    Hiring a landscape drainage contractor for regrading, swales, catch basins, or French drains
    Did this help you?
  47. 47
    Running a camera through the existing builder drain pipe to check for clogs
    Did this help you?
  48. 48
    Jetting the clogged drain clean with water
    Did this help you?
  49. 49
    Talking with the neighbor to coordinate fixes and potentially split costs
    Did this help you?
  50. 50
    building a slightly raised curb or barrier along the edge of the patio
    Did this help you?
  51. 51
    using construction adhesive and polyurethane caulk to seal bricks or edging to the slab
    Did this help you?
  52. 52
    backfilling the area by the house to be angled away
    Did this help you?
  53. 53
    installing a dry well or running a drain under the slab
    Did this help you?
  54. 54
    using saw cuts or placing medium-sized boulders to redirect water
    Did this help you?
  55. 55
    Grinding down the concrete bulge with a masonry blade
    Did this help you?
  56. 56
    Raising the pads and adding dirt underneath to fix the tilt
    Did this help you?
  57. 57
    Running a bead of polyurethane sealant along the seam and setting bricks on top
    Did this help you?
  58. 58
    Building a drain in the flower bed and leading it under the cement
    Did this help you?
  59. 59
    Using plastic or flexible gutter extensions to reach the grass
    Did this help you?
  60. 60
    Adding an extra brick or block behind the downspout
    Did this help you?
  61. 61
    Digging up and repairing or cleaning out the corrugated underground drain pipe
    Did this help you?
  62. 62
    Installing an underground drainage system with PVC pipe and a pop-up emitter
    Did this help you?
  63. 63
    Installing a catch basin or grate to collect water and tie it into a solid pipe running downhill
    Did this help you?
  64. 64
    Adding stones next to the house
    Did this help you?
  65. 65
    Installing a French drain
    Did this help you?
  66. 66
    Checking for downspouts
    Did this help you?
  67. 67
    Planning to take more pictures to assess the situation
    Did this help you?
  68. 68
    Tying gutters into a drain line leading to the curb
    Did this help you?
  69. 69
    Installing a drain line with a flush grate connected to a T-junction
    Did this help you?
  70. 70
    Regrading topography or constructing a drywell/french drain
    Did this help you?
  71. 71
    Replacing impermeable pavers with gravel or permeable materials
    Did this help you?
  72. 72
    Adding soil and regrading the bed
    Did this help you?
  73. 73
    Using temporary or flat downspout extensions across the sidewalk during rain
    Did this help you?
  74. 74
    Burying a drain pipe and pop-up emitter in the yard
    Did this help you?
  75. 75
    redirecting downspouts further away using extensions or perpendicular placement
    Did this help you?
  76. 76
    filling the area with dirt to improve grading
    Did this help you?
  77. 77
    installing a drain to the street or French drains connected to pipes
    Did this help you?
  78. 78
    hiring a landscaper to evaluate and fix drainage options
    Did this help you?
  79. 79
    Installing drywells or retention ponds
    Did this help you?
  80. 80
    Wrapping downspouts to empty into the driveway
    Did this help you?
  81. 81
    Digging a drainage pit and french drains leading to it
    Did this help you?
  82. 82
    Using a french drain with a sump basin and pump to push water out to the street
    Did this help you?
  83. 83
    Re-grading the yard
    Did this help you?
  84. 84
    Planting deep-rooted ornamental native grasses to help soil absorb water
    Did this help you?
  85. 85
    Using downspout elbows and straight segments to route water around roof edges
    Did this help you?
  86. 86
    Installing and replacing sump pumps and French drains
    Did this help you?
  87. 87
    Hiring contractors to remove mold and replace subfloors and floor joists
    Did this help you?
  88. 88
    Researching and attempting to encapsulate crawl spaces independently
    Did this help you?
  89. 89
    Consulting structural engineers
    Did this help you?
  90. 90
    Dig down and add river rocks to turn the runoff path into a dry creek bed
    Did this help you?
  91. 91
    Plant native water-loving vegetation along the edges to slow water velocity and retain soil
    Did this help you?
  92. 92
    Use machinery to change channelized flow into sheet flow and divert it away from the foundation
    Did this help you?
  93. 93
    Install gabion check dams along contour lines up the slope to reduce runoff speed
    Did this help you?
  94. 94
    Widen the swale and make it shallower
    Did this help you?
  95. 95
    Hire a professional drainage landscaper
    Did this help you?
  96. 96
    Dig a shallow trench and fill it with gravel
    Did this help you?
  97. 97
    Put a railroad tie at the bottom of the slope
    Did this help you?
  98. 98
    Getting an estimate for a French drain
    Did this help you?
  99. 99
    Searching for water-tolerant plants or trees that soak up excess water
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/lawncare3 people · October 2026

“Hi y'all! I am wondering how I would properly drain the pooling that happens around my house during heavy rain.”source ↗

“My house seems to sit lower than the street itself and as a result there is water pooling around lower spots of my yard.”source ↗

Interesting_Bear_377 · r/lawncare · 86 upvotes

“We have a few low spots along a fence where water tends to pool and stagnate due to the high clay content here in Northern VA.”source ↗

“I've received an estimate for a French drain but due to the size of the back yard it will end up running about $7k.”source ↗

“Curious whether there are any plants or trees that are not only water tolerant and would enjoy being in that location but would also soak up the excess water.”source ↗

Pale-Ad-4154 · r/lawncare · 4 upvotes

“I have a bowl shaped yard and I had to have drywells installed to deal with it.”source ↗

LabRat113 · r/lawncare · 1 upvotes
r/Landscaping10 people · September 2026 – October 2026

“Bought a house that has a ditch from runoff and it runs past the house and is starting to move dirt and show more of the slab at the corner of the house”source ↗

vetnate · r/Landscaping · 58 upvotes

“I just bought the house a little bit ago and knew there was some water erosion happening on the side by this cobblestone walkway, but I wasn't sure of the source.”source ↗

“At some point, the side closest to my house started eroding and has sunk ~4" in some areas where the walkway meets the foundation. So now when the walkway fills up with rain the only place it has to escape is where the cobblestone meets my foundation.”source ↗

“As you can see in the picture, it's eroded the soil under my foundation on that walkway wall side.”source ↗

nolabrewer · r/Landscaping · 12 upvotes

“I need to create a slightly raised, watertight barrier along the edge of my concrete patio to fix a the drainage issue.”source ↗

“Note: Due to excess concrete bulged out under the original forms, I cannot dig deeper that about 3" along the inner edge.”source ↗

“Looking for recommendations on bricks, landscape edging, adhesives, or masonry sealants that will hold up and prevent water from leaking in.”source ↗

HeDiedFourU · r/Landscaping · 6 upvotes

“Looking to redo my patio and establish proper grading around my house and attached garage. Do I need two slopes to direct water from my house and garage?”source ↗

BluntMango14 · r/Landscaping · 4 upvotes

“I’ve been having some issues with water pooling right next to our garden beds during heavy rain.”source ↗

“As you might expect it creates a bit of a mess by dragging a bunch of debris onto the sidewalk.”source ↗

Westport8787 · r/Landscaping · 3 upvotes

“I have terrible grading on these 2 sides and every heavy storm leaves puddles against the walls.”source ↗

“Contacted probably 5-10 companies and only heard back and got a quote from 1.”source ↗

Dragon_slayer1994 · r/Landscaping · 2 upvotes

“We are having some issues with the backyard and likely need a buried water collector and sump to send water out to the front street.”source ↗

“In the front flower bed, there is this downspout, and we get so much water that it pools up and eventually drains through the front lawn to the road.”source ↗

ryencool · r/Landscaping · 2 upvotes

“I have a gutter that kinda just dumps water right into the front yard.”source ↗

EnvironmentalDust935 · r/Landscaping · 2 upvotes

“We had this issue when the houses were first built and the builder put some kind of drain pipe that seemed to resolve the issue. But now we are having flooding which blocks us from accessing the backyard and is causing our sump pump in the basement to turn on. What sort of contractor or landscaper can remediate this issue for us? TIA”source ↗

thewebdiva · r/Landscaping · 2 upvotes

“Any suggestions on how to divert the water away from the base of this shed?”source ↗

cowbaby444 · r/Landscaping · 2 upvotes
r/homeowners8 people · September 2026 – October 2026

“I just had new gutters installed and I'm not totally happy with this downspout.”source ↗

“The old downspout went directly into the corrugated black plastic pipe which always backed up and the edge blocks around the rock bed acted like a dam and held water next to the house.”source ↗

Krotchity · r/homeowners · 49 upvotes

“Well, now the water appears to just be pooling under the splash block and making its way back to the foundation.”source ↗

“I’m at a bit of a loss now.”source ↗

thoughtcrime84 · r/homeowners · 39 upvotes

“When checking under the house, we saw that there was a lot of pooled water and the sump pumps were not working properly.”source ↗

“Unfortunately, the problems persisted, with mold starting to grow inside a pantry closet and in the subfloor.”source ↗

“Anyway, it rained maybe an inch or two last night and we came to check on the house. This is what we’re seeing, inches of water that appears to be below the water table. We’re at a complete loss. We have struggled to find anyone in the area who deals with water issues and are increasingly stressed that there isn’t a solution.”source ↗

dantaaay · r/homeowners · 37 upvotes

“Water from roof dumps to a low bed near foundation. This area including the sidewalk has a slight negative grade towards the house.”source ↗

fashionboy385 · r/homeowners · 18 upvotes

“The main issue being the rain that falls in the middle of this U shape. There is nothing to collect the water, it just flows back toward the house and into the crawl space making it really damp and holds moisture.”source ↗

“The water flows in near the inner corner gutter between the gutter and the crawl space vent.”source ↗

“That U-shape is a nightmare, water just funnels right into the corner with nowhere to go.”source ↗

Alarmsmith · r/homeowners · 5 upvotes

“New patio was just poured. How should this flower bed between the house and the new patio be built up to prevent water from draining toward the foundation or underneath the patio?”source ↗

HeDiedFourU · r/homeowners · 2 upvotes

“We had some basement flooding after a week of record rain and one night of remarkably heavy rain, and a big part of the problem was that water was pooling in our backyard and draining to the street very slowly.”source ↗

Doomtime104 · r/homeowners · 1 upvotes

“The seller actually disclosed to us that it had flooded during record rains a decade ago, and they had installed a backup sump pump as a result.”source ↗

Doomtime104 · r/homeowners · 1 upvotes

“water coming out of the downspout is pooling right where it exits. Initially, the water only accumulated in that one spot around the sprinkler head. However, it has now expanded and pools all the way down the right-hand side, sitting right against home.”source ↗

SamLucky7s · r/homeowners

“Red arrow = isolated low area (1/16 - 1/8 inch deep) running towards the flower bed. Poor finishing work.”source ↗

“So what kind of recommendations would work here? Plastic, rubber edging with sika type adhesive in the seam etc? Concrete curb, pavers, bricks?”source ↗

HeDiedFourU · r/homeowners
r/HomeMaintenance10 people · September 2026 – October 2026

“The downspouts are the issure, you need to redirect water further away.”source ↗

RegisterNo2333 · r/HomeMaintenance · 10 upvotes

“How can I build a watertight edging to divert patio runoff away from my house and flower bed?”source ↗

“I need to create a slightly raised, watertight barrier along the edge of my concrete patio to fix a the drainage issue.”source ↗

“Looking for recommendations on bricks, landscape edging, adhesives, or masonry sealants that will hold up and prevent water from leaking in.”source ↗

HeDiedFourU · r/HomeMaintenance · 7 upvotes

“Completely wrong water management strategy. It is a moat. This is a project that needs immediate correction.”source ↗

Obvious_Extession348 · r/HomeMaintenance · 4 upvotes

“Yes, you don't want standing water like that at your foundation.”source ↗

HuchieLuchie · r/HomeMaintenance · 4 upvotes

“How should this flower bed between the house and the new patio be built up to prevent water from draining toward the foundation or underneath the patio?”source ↗

HeDiedFourU · r/HomeMaintenance · 3 upvotes

“I want to replace at least 3 of these 12'×9 slabs of pavement, preferably before the winter. Im concerned about water going toward the house .”source ↗

BrilliantGlad6032 · r/HomeMaintenance · 2 upvotes

“Over the weekend we had our first rain event, and ai noticed the gutters were dripping with water. The water would normally feed down from the tiles onto the patio - but there does not seem to be a way for the water to drain from the gutter in the patio area into any sort of drain.”source ↗

Right-Sun-3944 · r/HomeMaintenance · 2 upvotes

“During heavy rains, water pools against my foundation, the building on the left.”source ↗

joeydoughnuts25 · r/HomeMaintenance · 1 upvotes

“The siding on the house go 3in. lower than the adjacent pavement top. For an inch drop over the 4ft. run away from the house, this I show much I had to dig. If I need to feather it further out, that will be a lot of digging? Should it run towards the street or the fence next to neighbors garage?”source ↗

Beautiful_Tip4972 · r/HomeMaintenance · 1 upvotes

“Consequently, I’m experiencing drainage issues, as water is accumulating in this corner.”source ↗

“Unfortunately, jacking up the foundation isn’t a viable option at the moment, and regrading isn’t feasible because the area is concrete.”source ↗

Electrical_Chair6213 · r/HomeMaintenance · 1 upvotes

“No downspouts at all 🧐I can take more pictures this afternoon”source ↗

Right-Sun-3944 · r/HomeMaintenance · 1 upvotes

“I need to make a diversion for this upper gutter. The water pours directly into a really fun hole at the foundation. I need to get around the edge of the lower roof and back to the side of the house so I can strap it down.”source ↗

midnitemoontrip · r/HomeMaintenance · 1 upvotes
r/HomeImprovement2 people · September 2026

“When we get any sort of rain, water pools here from the driveway slope.”source ↗

“There is a sizable gap between the concrete by the steps and the foundation.”source ↗

“With heavy rain, the basement walls started to slightly sweat in the area the water pools in.”source ↗

Myfeetarebarking · r/HomeImprovement · 2 upvotes

“Need some opinions on a water in my crawlspace issue.”source ↗

“Found a hole in the dirt filled with water, level with the top of the footer.”source ↗

“I don't know if it's just high water table or if I have a spring under our house.”source ↗

mraz2287 · r/HomeImprovement · 1 upvotes
r/Plumbing1 person · September 2026

“Our sump pump (Newer to me house) kicks on and drains right next to the foundation (Pic 2). Then puddles right there.”source ↗

HilariousUsernameToo · r/Plumbing · 1 upvotes

Where this came up

People with this problem also raised