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Lubbock Foundation

Serving Lubbock and nearby areas

Sloping Floors in Lubbock, TX

A floor that slopes or dips usually means part of the house dropped or lifted, and a free inspection measures every room and gives you a written price to level it.

Call now: (806) 855-8140 or book your free inspection online

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Why houses move in Lubbock

Lubbock soils hold clay that swells when wet and shrinks when dry, with a hard caliche layer a few feet down. Rain comes in heavy bursts after long dry spells, and the city drains to playa lakes. That mix moves both the older pier-and-beam homes near Texas Tech and the newer slab homes in south Lubbock.

  • Clay that swells and shrinks

    USDA soil surveys show a clay subsoil under common Lubbock area soils. When one part of that clay is wetter than the rest, the floor above it goes out of level.

  • Caliche a few feet down

    Many local soils turn into caliche, a hard limey layer, roughly 2.5 to 5 feet down, according to USDA. It affects how deep supports go and how a crew reaches firm ground.

  • Older pier-and-beam homes

    The South Overton historic district has homes from the early 1900s, and a 1940 home in Tech Terrace lists piers as its foundation. About 40 percent of homes in the Lubbock ISD area were built before 1970, based on Census survey data.

What it costs

Typical ranges from published cost guides, not quotes. Every job starts with a free inspection and a written price, so you see the number before any work begins.

WorkTypical range
Floor level readings and written estimate Free
Pier and beam foundation repair, most jobs $2,000 to $15,000
Slab foundation repair, most jobs $1,000 to $10,000
Piers $1,000 to $3,000each
Fixing a sinking or uneven house $4,500 to $25,000

See typical foundation repair prices in Lubbock

How sloping floors show up

Most people do not see a sloping floor. They feel it, or something in the house gives it away.

A ball or marble rolls

To the same side of the room every time.

Furniture rocks

Or a dresser leans away from the wall.

A hallway dips

In the middle or feels like a slight hill.

Doors swing

Open or shut on their own.

Gaps under baseboards

On one wall but not the others.

Cracked tile

In a straight line across a kitchen or bath.

A soft or bouncy spot

In an older home with a crawl space.

Cabinets or counters

Pulling away from the wall.

Two kinds of houses, two kinds of slope

Lubbock has both slab homes and pier-and-beam homes, and floors slope for different reasons in each.

Slab homes. The floor is the concrete slab itself, poured right on the ground. When the soil under one side shrinks or sinks, that side drops. When wet soil swells under the middle, the middle rises. Either way, the floor follows the concrete. Most newer homes in south Lubbock are slab.

Pier-and-beam homes. The floor sits on wood beams held up by short piers, with a crawl space underneath. Many of the city's oldest homes are built this way. The South Overton historic district has homes from the early 1900s, according to the Texas Historical Commission, and a 1940 home in Tech Terrace lists piers as its foundation. In these houses, a floor can slope because a pier sank, a wood shim wore down or rotted, or a beam sagged between supports. The soil can be the cause, or the wood can be the cause, or both.

Why the ground moves here

USDA soil surveys show that common soils around Lubbock have a sandy or loamy top layer over a subsoil with more clay. Below that, many local soils turn to caliche, a hard layer packed with lime, roughly 2.5 to 5 feet down.

Clay swells when it gets wet and shrinks as it dries. Lubbock gets about 18.6 inches of rain a year, according to the National Weather Service, and much of it comes in heavy storms after dry spells. So the clay keeps swinging between dry and soaked.

The trouble is that it does not swing evenly. The soil by a dripping faucet stays wet. The soil under a shaded corner dries slowly. The soil by a sunny driveway dries fast. One part of the house ends up higher than another, and the floor slopes.

Age matters too. About 40 percent of homes in the Lubbock ISD area were built before 1970, based on Census survey data. Older wood supports and shims have had decades to wear.

When slope is cosmetic and when it is not

Usually not urgent:

  • A small, even slope across one old room that has not changed in years.
  • A slight dip you have known about since you bought the house.

Get it checked soon:

  • A slope you can see or feel getting worse.
  • A floor that dropped quickly, over weeks instead of years.
  • Slope along with doors that stick, new cracks or brick cracks outside.
  • A soft spot that gives when you step on it.
  • Slope near a spot where water stands after rain.

How a crew levels the floor

The inspector takes floor level readings across the whole house, not just the room you noticed. That map shows where the high and low spots are and how far apart they are.

On a slab home, piers are placed under the part that dropped. The crew pushes them down to firm ground, then lifts that section back toward level and locks it in place.

On a pier-and-beam home, the crew works from the crawl space. They replace worn or rotted shims, reset supports that sank, add new supports under sagging beams, and bring the floor back up. Weak joists may be reinforced.

In both, the water problem that started it gets fixed too. A gutter extension or a regraded corner can be the difference between one repair and two.

A floor that has been out of level for a long time may not go all the way back to flat. Pushing too hard can crack walls and tile. A good crew tells you what level they can reach safely.

What it costs

These are typical ranges from published cost guides, not quotes. The price depends on how many piers or supports are needed and how easy it is to reach them. Your price comes in writing after the free inspection.

Before the inspection

  1. Do the marble test in each room and write down which way it rolls.
  2. List the doors that stick or swing on their own.
  3. Note when you first noticed the slope, and if it changed after rain or a dry spell.
  4. Clear a path to the crawl space opening if your home has one.
  5. Find any old repair paperwork if the house has been leveled before.

Frequently asked questions

How much floor slope is normal in an older house?

Almost no house is perfectly flat, and a little slope across a big room is common in older homes. What matters more is a sudden dip, slope that is getting worse, or slope that comes with sticking doors and cracks. The inspector measures the whole house and shows you the numbers.

Why does my floor slope toward the middle of the house?

On a slab home, the edges can drop when the soil around the outside dries out, which makes the middle feel high. Or the middle can rise when wet soil swells under it. On a pier-and-beam home, a sag in the middle often means a support under the beam has sunk or a shim has worn out.

Can sloping floors be fixed without lifting the whole house?

Often, yes. Most jobs lift only the part that moved. A pier-and-beam floor can usually be leveled from the crawl space by adding or resetting supports.

Is a bouncy floor the same problem as a sloping floor?

Not always. A bouncy floor in an older home often means weak joists, rotted shims or supports spaced too far apart under a pier-and-beam floor. It can come with slope, but the fix is often different.

Will self-leveling compound fix my floor?

It can flatten a small low spot under new tile or wood. It does not fix a foundation that moved, and it adds weight. Find out why the floor sloped before you cover it up.

Get your floors measured for free

Call (806) 855-8140 or send the short form. A local foundation crew will map the floors in every room and tell you in writing what is causing the slope and what it takes to fix. Homes across Lubbock and nearby towns are covered.

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Common foundation repair problems in Lubbock

Areas we serve around Lubbock

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