What Is Wood-to-Concrete Conversion?

· 6 min read

An older RGV home on wood piers can be converted to a permanent concrete foundation — here's how it works and why so many Valley homeowners do it.

If you own an older home in the Rio Grande Valley — anything pre-1970 in Dixieland, downtown Harlingen, Mercedes, Brownsville, or out in the colonias — there's a good chance it sits on wood piers. The home has probably been re-leveled at least once. The piers are probably leaning, rotting, or both. Wood-to-concrete conversion is the permanent fix.

What's Actually Happening

A wood-pier home rests on wood posts driven into the ground, with floor beams and joists spanning between them. The setup worked fine in the 1940s and 50s, but wood eventually loses to RGV soil moisture, termites, and ground contact. Once the piers start failing, you're either re-leveling every few years or accepting that the floors are getting worse.

Wood-to-concrete conversion replaces that entire foundation system with a new permanent concrete foundation under the existing home — without tearing the home down or moving you out.

How the Process Works

Here's the typical sequence:

1. Lift and crib. We raise the home with hydraulic jacks and support it on temporary cribbing — solid stacks of timbers placed at every load point. 2. Remove old piers. With the home fully supported on cribbing, the failing wood piers come out. 3. Excavate footings. We dig footings for the new concrete piers or grade beam, depending on the engineering. 4. Form and pour. Forms go in, rebar is tied, and we pour the new permanent foundation. We let it cure to design strength. 5. Lower onto new foundation. The home is slowly lowered onto the new concrete piers and properly anchored. 6. Sill plate replacement. Any rotted sill plates are replaced as we set the home down.

The whole process usually runs 2–4 weeks depending on home size and soil conditions.

Why Homeowners Convert

The reasons we hear most often:

  • No more re-leveling. Concrete piers don't rot, lean, or settle the way wood does. One job, then you're done for the life of the home.
  • Insurance and resale. Some insurers in the Valley have stopped covering older wood-pier homes. Conversion makes the home insurable again and significantly improves resale value.
  • Better floors. A solid concrete foundation eliminates the bouncy, soft spots that come with sagging wood beams.
  • Rodent and moisture exclusion. Properly built concrete foundations seal off the crawlspace better than open wood piers.

What Stays, What Goes

The home above the floor system stays untouched — your walls, roof, plumbing, and electrical all stay in place. Only the foundation itself is replaced. Most homeowners can stay in the home through most of the project; we'll let you know during the inspection if there's a brief period when you'll need to be out.

Is My Home a Good Candidate?

Almost any wood-pier home in the Valley is a candidate. We'll come out, evaluate the existing structure, the soil, and the access, and give you a written scope and quote for free.

Frequently asked

Can I stay in my home during the conversion?

Mostly yes. There's typically a short period during the lift and pour when we'll ask you to be out for safety, but most of the project happens with the home occupied.

Does conversion increase my home's value?

Significantly, in most cases — especially if your insurance has been a problem because of the old wood piers. Buyers and lenders both prefer permanent concrete foundations.

How long does the whole process take?

Most conversions run 2 to 4 weeks from start to finish, depending on home size, soil conditions, and access.

Free inspection

Worried about your foundation? Let's look.

Keep reading · Wood to Concrete Conversion