Tulsa Foundation Co.Green Country clay · Arkansas River valley (918) 302-2931

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About Tulsa Foundation Co.

A foundation company organized around one problem: what Oklahoma's weather does to expansive clay.

Tulsa Foundation Co. works one problem across the metro: expansive clay in a drought-to-deluge climate. Every job starts with a free measured evaluation — photos, crack widths, laser floor elevations — and ends with a written scope priced per line.

How we scope work

Measurement, then a recommendation, then a price, in that order every time. A floor survey defines which run of the foundation actually moved, so pier counts describe your house rather than a package.

Oklahoma's weather does the rest. Long dry stretches pull moisture out of the clay and then rain arrives all at once and puts it back, and that swing is the mechanism behind most settlement here. A house that moves a little and returns is behaving normally. Where the survey shows movement inside tolerance, the honest report says to mark it, date it and watch. A company that never declines work is not measuring anything.

Steel push pier sections and a hydraulic drive head staged beside an excavated footing at a Tulsa home

What we tell people before they hire anyone

  • Get the elevations. Anyone recommending piers should show you the floor readings behind each one.
  • Ask what they assumed about depth. Depth to refusal varies enough across the river valley that a bid priced off an assumption rather than a probe can move once work starts. Ask before you sign, not after.
  • Compare pier counts and depths, not totals. A cheaper bid with half the piers is a different repair.
  • Ask about drainage. Where the mechanism is moisture swing, a structural bid that ignores water is an incomplete bid.

How we work in the field

Crews photograph each stage and log refusal pressure and depth per pier. In a market where depth genuinely varies from one neighbourhood to the next, that log is what turns a quote into a record rather than an estimate.

The house stays livable through nearly every job. Access routes, excavation locations and restoration are named in the scope before anyone starts, so the first day holds no surprises.

Get a free Tulsa foundation evaluation

Tell us what the house is doing — stair-step cracks, doors that stick every August, sloping floors, separating trim — and we’ll schedule an evaluation with photos and measurements. We reply the same business day.

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