In Auburn the usual culprit is runoff, not swelling clay. NRCS Soil Data Access mapping, as we tallied it, puts about half the land inside city limits in Pacolet sandy loam, a well drained Piedmont soil with medium to rapid runoff, and about 94 percent in soils rated low for shrink and swell. NOAA's 1991 to 2020 normals give the Auburn No. 2 station 56.49 inches of rain a year, and on sloping lots that water ends up against foundations, in crawl spaces and under driveways and patios. BDry Alabama inspects for free, then its own crews install drainage, crawl space encapsulation, poly lifting or foundation repair as the house requires.
The Encyclopedia of Alabama places Auburn at the juncture of the Piedmont and Coastal Plain physiographic sections, and the city's soil map shows both. Clipping NRCS Soil Data Access mapping to Auburn's Census boundary, we found Pacolet soils on about 50 percent of the land and Marvyn soils on about 19 percent, with Cecil and Gwinnett adding roughly 6 and 4 percent. NRCS describes Pacolet as a Piedmont upland soil weathered from igneous and metamorphic rock, while Marvyn formed in loamy marine sediments of the Southern Coastal Plain.
What they share is a kaolinitic clay subsoil, and in Pacolet the NRCS typical profile is red clay starting just a few inches down. Kaolinite does not swell much. In our tally, about 94 percent of Auburn's land is in soil units rated low for shrink and swell, and almost none rates high. That changes the diagnosis. A crack in an Auburn foundation is less likely to come from clay heaving and shrinking each year and more likely to come from water, loose fill, a cut slope or a downspout that has been washing out soil under one corner.
Auburn's housing is new by Alabama standards. The Census Bureau's 2023 ACS 5 year figures give a median year built of 2000, and about 50 percent of the city's 34,548 housing units were built in 2000 or later, including 7,886 in the 2010s and 926 since 2020. Only about 6 percent date from before 1960. Single family detached houses are about 48 percent of all units, with the rest in townhomes, apartments and other attached housing.
A newer house is not a problem free house. Fast building on rolling ground means a lot of graded lots, where part of a slab or driveway sits on cut ground and part sits on fill. If that fill was not compacted well, it can settle years later, and the first sign is often a garage floor or patio cracking and dropping away from the house, or a front walk tipping toward the foundation. Lots graded flat, or sloped back toward the house, send rain against the wall every storm. On a newer home in Auburn we look at the grading and the slabs first, before anyone talks about piers.
The largest single soil map unit inside the city, about 29 percent of Auburn's land in our NRCS tally, is Pacolet sandy loam on 6 to 10 percent slopes, and the official series description lists its runoff as medium to rapid. That is the mechanism behind most of the water calls in town. Rain hits a hillside lot, runs over the surface or through the loose topsoil, and meets a foundation, a crawl space vent or a basement wall on the uphill side.
The City of Auburn takes sediment seriously. Its Watershed Division explains that sites with more than one acre of planned disturbance need an ADEM construction stormwater permit, and that the city issues its own erosion and sediment control permit, with sediment leaving a site treated as a major deficiency. For a homeowner the scale is smaller but the principle is the same: slow the water down and give it a path. BDry Alabama does exterior drainage, French drains, erosion control and dry creek beds, and on a sloped Auburn lot a drain along the uphill side plus downspouts carried past the house often solves the problem without touching the foundation.
Inside the city limits, the Auburn No. 2 station's NOAA climate normals for 1991 to 2020 show 56.49 inches of precipitation a year. The winter months bring 16.06 inches, March and June tie as the wettest months at 5.74 inches each, and October is the driest at 3.38. The station also logs 17.7 days a year with at least an inch of rain and 49.4 days a year reaching 90 degrees or hotter.
Two wet peaks shape the work. The long winter and early spring soak leaves the ground saturated for weeks, which is when crawl spaces collect standing water and basement walls on hillside lots weep. The June peak arrives as summer storms on hot ground, with a July normal high of 89.2 degrees and a normal low of 70.8, so the water that gets under a house in summer meets warm, humid air and has little chance to dry. That combination is why we pair drainage with a sealed crawl space and a dehumidifier more often than drainage alone in Auburn.
Most of Auburn is upland, but the creek bottoms are a different story. Our count from NRCS Soil Data Access shows about 6 percent of the land inside city limits sits in map units labeled frequently flooded, almost all of it Toccoa sandy loam on 0 to 2 percent slopes. The Toccoa series description lists flooding as occasional to frequent for brief to very brief periods from October to May. Kinston silt loam, which NRCS rates poorly drained with a very shallow, persistent water table, covers about another 2 percent.
Houses rarely sit right on those soils, but lots that back onto a creek or a drainage way often reach down toward them, and a yard that stays wet for days after rain is usually one of them. Before buying or adding on, look the property up on FEMA's Flood Map Service Center. A foundation contractor cannot remove a flood risk. We can deal with the groundwater and runoff that keep a crawl space or a slab edge wet after ordinary storms, using a French drain, a sump, or a liner and dehumidifier underneath, and tell you plainly when the water is beyond what drainage can handle.
Census ACS puts owner occupancy in Auburn at about 52 percent, or 15,328 of 29,479 occupied homes, so nearly half of households rent. The Encyclopedia of Alabama calls Auburn University the state's second largest university, and anyone who owns a rental here knows repairs have to fit around leases, move in weekends and game days. The median home value of $342,400 is high for Alabama, which makes protecting that value the main reason most owners call.
A few published BDry Alabama terms fit that market. The digital foundation scan maps the floor with a reading every five feet and a color coded report, which gives a buyer, a seller or a landlord real numbers instead of opinions. When a house sells, a buyer picks up two years of warranty coverage provided BDry is told within 60 days. The BDry Elite Gold plan, at $595 a year or $59 a month, includes an annual scan, gutter cleaning twice a year and free warranty transfers, which suits owners who want a record of the house over time.
Stair step cracks in brick or block, a horizontal crack across a basement wall, or a crack that reopens after it was patched.
A door that no longer latches or a window that binds usually means the framing around it has moved.
A marble that rolls, a gap under a baseboard, or a floor that gives over the crawl space.
A damp basement wall, a puddle at the floor edge, or standing water in the crawl space.
Damp air from a crawl space or basement drifts up into the living space.
Puddles that sit beside the foundation for a day or more after a storm.
About 29 percent of Auburn's land is Pacolet sandy loam on 6 to 10 percent slopes with medium to rapid runoff, so steering surface water around the house is the most common fix here.
On hillside lots the uphill wall meets the runoff first, and a French drain along that side catches water before it reaches the foundation or the crawl space.
Winter brings 16.06 inches of rain at the Auburn No. 2 station and summer stays humid, so crawl spaces here take water from below and moisture from the air.
With about half the city's homes built since 2000 on graded lots, sunken garage floors, patios and walks over settled fill are common, and BDry raises sound concrete by injecting high density polyurethane foam beneath it.
At 56.49 inches of rain a year, gutters and downspouts that dump at the wall feed most of the wet foundations we see on sloped Auburn lots.
Because about 94 percent of Auburn's land rates low for shrink and swell, a growing crack here usually points to water, fill or erosion, so the cause is traced before the crack is sealed.
A July normal low of 70.8 degrees at the Auburn No. 2 station keeps summer air damp, and a crawl space dehumidifier holds the space below the EPA's 60 percent guideline.
When a corner of an Auburn house does drop, it is usually over loose fill or washed out soil, and BDry measures the house with a digital scan before recommending piers.
These are typical installed ranges from HomeGuide's 2025 and 2026 national cost guides, the same figures on each service page, not BDry Alabama prices. A free inspection in Auburn sets one written price.
| Project | Typical installed range |
|---|---|
| Foundation Repair | $4,500 to $20,000 typical settling or sinking foundation repair, installed |
| Helical Piers | $2,000 to $4,000 typical cost per helical pier for foundation repair, installed |
| Foundation Crack Repair | $250 to $800 typical cost per crack, epoxy or polyurethane injection |
| Basement Waterproofing | $6,000 to $18,000 typical basement waterproofing project, installed |
| Crawl Space Encapsulation | $3,000 to $15,000 full crawl space encapsulation, installed |
| Yard Drainage | $1,000 to $4,000 typical yard drainage project, installed |
| French Drains | $500 to $8,800 typical yard or curtain French drain, installed |
| Concrete Lifting | $700 to $5,000 typical concrete leveling job, installed |
Runoff from a public street, ditch or storm inlet belongs to the city. Report it to Auburn public works or engineering first.
A low spot in the middle of the yard is a grading and landscaping job, often fixed with soil and seed or a swale.
When puddles hug the house, the crawl space gets wet or the basement leaks, call a foundation and waterproofing company. That is the work BDry Alabama does: grading at the house, downspout lines, French drains and interior drainage. Yard drainage costs and options.
Foundation Repair in Auburn, AL typically costs $4,500 to $20,000 for a settling or sinking foundation, according to HomeGuide's February 2026 foundation repair guide. A single helical pier runs $2,000 to $4,000 installed, and a single crack repair runs $250 to $800. Census ACS estimates put the median Auburn home at 2000, with about 6 percent built before 1960, and older houses tend to need more piers and more drainage work. BDry Alabama publishes no chart price: a free inspection with a digital foundation scan sets one written number for your house.
Mostly not. Overlaying NRCS Soil Data Access mapping on Auburn's Census boundary, we found about 94 percent of the city's land in soil units rated low for shrink and swell. The dominant soils, Pacolet, Marvyn and Cecil, have red kaolinitic clay subsoils, and kaolinite changes volume far less than the smectite clays NRCS describes in Black Belt prairie soils. That is good news for foundations, but it shifts the risk rather than removing it. In Auburn the common causes of movement are fill under a slab that was not compacted well, soil washed out by runoff, and water held against a wall by grading or short downspouts. An inspection looks for those causes first, because a pier does not fix a drainage problem.
Because the hill delivers it there. About 29 percent of Auburn's land is mapped as Pacolet sandy loam on 6 to 10 percent slopes, and NRCS lists its runoff as medium to rapid. NOAA's normals for the Auburn No. 2 station count 17.7 days a year with an inch of rain or more, and on those days water moves across a lot faster than it can soak in. If the ground uphill of the house was graded toward the wall, or the downspouts end at the corners, the foundation becomes the dam. The fix is usually outside: regrading, a French drain along the uphill side, downspouts carried well past the house, or a dry creek bed to slow and steer the flow.
Usually because of what is under it, not the concrete itself. Census ACS estimates for 2023 show about half of Auburn's 34,548 housing units were built in 2000 or later, and many of them sit on lots that were cut and filled to make a level pad on rolling ground. Fill that was not compacted well keeps settling for years, and slabs that rest on it, like garage floors, patios, walks and driveways, drop and crack while the house itself stays put. BDry Alabama raises concrete that is still in good shape by pumping high density polyurethane foam underneath, which fills the voids and raises the concrete without tearing it out. We check first whether water is still washing soil out from under the slab.
Winter and early spring for standing water, and summer for humidity. NOAA's 1991 to 2020 normals for the Auburn No. 2 station put 16.06 inches of rain in December through February, and March and June tie as the wettest months at 5.74 inches each. Winter rain saturates the ground and seeps in along footings. Summer brings a July normal low of 70.8 degrees, so the air drawn through foundation vents stays damp all night and condenses on cool ducts and framing. Indoor humidity should stay under 60 percent, per the EPA's guide to mold and moisture. Sealing the crawl space with a liner over the dirt and walls, then running a dehumidifier, keeps it under that line all year.
Start with a record of the house. Census ACS puts Auburn's owner occupancy at about 52 percent, so a large share of homes are rentals, and landlords need documentation as much as repairs. BDry Alabama's digital foundation scan records the floor level at five foot intervals and produces a color coded report you can keep on file and compare against a later scan. Schedule the inspection and the work around lease changes where possible, since drainage and crawl space jobs are easier with the house empty. If you sell, the buyer inherits two years of warranty coverage as long as BDry hears about the sale within 60 days, and Gold members of BDry Elite get warranty transfers free.
Yes. Auburn is one of the service areas listed on bdryalabama.com, along with nearby Opelika. There is no Auburn office; the company works out of 1490 Valley Drive in Bessemer, so phone 205 942 1976 on weekdays from 7 AM to 6 PM, or send the form online. The inspection is free and ends with a written plan and one price. Financing is available through GreenSky, whose promotional plan charges no interest when the balance is paid off inside 15 months, and through Upgrade, which offers fixed monthly plans with no early payoff penalty, all subject to credit approval. The BDry Elite Silver plan starts at $349 a year.
Auburn is in Lee County. ZIP codes inside city limits: 36830, 36832, 36849. Nearby Montgomery and East Alabama cities we also serve: Montgomery, Prattville, Opelika. See also BDry Alabama in Auburn on our main site.
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