Waterproofing & Crawl Space Repair in Knox County, TN
Limestone under Knox County and the water it moves
Knox County sits on Valley and Ridge limestone, and that rock shapes almost every wet crawl space we open. Rain soaks in, finds a seam or a solution channel, and travels underground until it surfaces somewhere you would never guess. So the puddle by your back pier may have started at the front corner of the house. A crawl space that stayed dry for years can take water after a single hard spring storm, once a new path opens. Sinkholes and springs turn up all over the county, and shallow rock in some yards limits how deep a drain trench can go. We plan around both before we price anything.
10 towns, 22 ZIP codes, no travel charge anywhere in the county.
- Free estimate
- No travel charge
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- Workmanship warranty
Limestone valley & karst
What the ground does in Knox County
Our shop is on Norris Freeway in Powell, so Knox County is home ground for us. We work in Knoxville proper, from Fountain City's mid-century houses to newer subdivisions, and out through Halls, Karns, Hardin Valley, Corryton, Mascot, Strawberry Plains and the Town of Farragut. The work runs from interior French drains and sump pumps to steel support jacks under a sagging girder, new vapor barrier and sealed vents. Older homes on block piers often need both kinds of help, because a pier that settled into wet ground keeps going until the water is handled. The estimate is free, on site, and takes about an hour.
Water here does not soak in evenly; it finds a seam and travels. Limestone dissolves over time, leaving voids and pathways that can route a whole hillside of storm water into one corner of a crawl space. That is why a crawl space that stayed dry for a decade can take on water in a single spring storm: the path underground changed while the weather stayed the same. It also means the wet spot you can see is rarely where the water got in.
Sudden water intrusion
Solution channels in limestone can deliver storm water to a foundation with almost no warning.
Sinkholes and localized settling
Voids in soluble bedrock let soil migrate downward, dropping piers and footings unevenly.
Shallow bedrock
Thin soil over rock limits how deep a drain line can go and changes where the water can be sent.
Towns
Every Knox County town we cover
Each town has its own page, plus a waterproofing page and a crawl space repair page.
Knox County questions
What people across the county ask us
We're new to Knox County and keep hearing about sinkholes. Should I worry about that under my crawl space?
Most homes here sit on limestone, and the same rock that makes sinkholes also moves water through hidden channels. What matters for your crawl space is where that water goes and whether any piers have settled. We'll look at both during a free estimate and tell you plainly if something falls outside our work, like foundation underpinning.
My neighbor in Knox County had his crawl space dug for a drain and they hit rock. Does that happen a lot?
It does in parts of the county, because limestone comes close to the surface in places. When rock stops a trench, we adjust the drain route or depth and may lean on a sump at the low point. You'll see the plan in writing before any digging starts.
Our Knox County house has a wet spot on the far side from the downspouts. How do you track where the water's really getting in?
On limestone ground, water often enters at one point and shows up somewhere else. We check grading, gutters and the crawl space walls, read the staining and the soil, and follow the slope underneath. If a gutter or grading fix should come first, we'll say so, since that's usually the cheaper step.
Your office is in Powell. Is there a charge to drive to the far side of Knox County, out past Farragut?
There's no travel charge anywhere in the county, and the on-site estimate is free. We book visits Monday to Friday, 9am to 5pm. Call 865-503-5483 to set a time.
I'm buying an older house in Knox County and the inspector wrote up shimmed block piers. Who should look at that?
That's crawl space support work, and it's what we do. We set adjustable steel jacks on proper footings, bring the girder up gradually and re-check it. If the piers sank because the ground stays wet, we'll point out the water side too, since the settling comes back otherwise.
Water was pouring into our Knox County crawl space during this evening's storm. Can someone come tonight?
We don't run after-hours or emergency calls; our hours are Monday to Friday, 9am to 5pm. When you call, tell us water is actively coming in and we'll fit you in as early as we can. Meanwhile, make sure gutters and downspouts are clear and pointed away from the house.
Typical prices for every service are in the crawl space cost guide, and more answers are on the FAQ page.
The rest of our service area
Get a Knox County estimate on the calendar
The estimate is free, there is no travel charge inside the county, and you get a written price before any work starts.