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Why McKinney Foundations Fail
Forensic Soil Report for Zip 75070
Protecting your real estate asset in McKinney starts with geology. Ignoring Houston Black clay, 0 to 1 percent slopes movement can devalue your property by 15% overnight.
Critical limit is 25.0.
Vertical movement potential.
Why Shallow Repairs Fail vs. Our Solution
Visual Proof: While concrete cylinders sit in the "Active Zone" (expanding/shrinking clay), our steel piers penetrate until they hit load-bearing strata (refusal).
Engineer's Action Plan for McKinney
Critical Swell Protocol
The Houston Black clay, 0 to 1 percent slopes in your area has a Plasticity Index of 44.0, which is considered EXTREME. Shallow repairs (concrete pressed pilings) have a 60% failure rate here because the active zone extends deeper than 12 feet.
- Require: Double-walled steel piers.
- Avoid: Concrete cylinders (too much friction).
This zip code requires P.E. oversight for all repairs.
Neighborhood Risk Audit: McKinney
Located in the Fall Creek sector.
Located in the The Landings sector.
Located in the Quail Run sector.
Located in the Avondale sector.
Located in the Glendover Park sector.
Located in the Saddle Ridge sector.
Located in the Shaddock Park sector.
Located in the Cumberland Crossing sector.
| Neighborhood | Geological Note | Risk Level |
|---|---|---|
| Fall Creek | Located in the Fall Creek sector. | SEVERE |
| The Landings | Located in the The Landings sector. | HIGH |
| Quail Run | Located in the Quail Run sector. | SEVERE |
| Avondale | Located in the Avondale sector. | HIGH |
| Glendover Park | Located in the Glendover Park sector. | HIGH |
| Saddle Ridge | Located in the Saddle Ridge sector. | MODERATE |
| Shaddock Park | Located in the Shaddock Park sector. | SEVERE |
| Cumberland Crossing | Located in the Cumberland Crossing sector. | MODERATE |
*Hyper-local data based on historical foundation repair permits and USDA soil overlays.
⚠️ Public Notice: Active Soil Movement in McKinney
Our forensic analysts are currently tracking elevated foundation repair permit filings in Fall Creek, The Landings, Quail Run.
If you see pier drilling rigs on your street, your home sits on the same active Houston Black clay, 0 to 1 percent slopes vein.
Common Questions in McKinney
How much does foundation repair cost in McKinney?
Costs in McKinney typically range from $4,500 to $15,000 depending on the number of piers needed. Given the Houston Black clay, 0 to 1 percent slopes, deep piers are often required.
Does active clay soil affect foundations in McKinney?
Yes. Houston Black clay, 0 to 1 percent slopes has a Plasticity Index of 44, which is considered Severe. This causes significant seasonal movement.
Do you offer a warranty?
Yes, we provide a Lifetime Transferable Warranty on all steel pier installations.