Foundation leveling in Houston

Foundation leveling means lifting the parts of a house that have sunk and supporting them so they stay up. In Houston that usually means pressing piers under a slab's edge beam, or resetting and shimming the piers under a raised floor, then jacking the house back toward level. A typical job here costs about $3,300 to $6,800, according to a 2026 Houston Press guide, with the pier count driving most of the price. Below: the methods, the timing, when it pays off, and what to check first if your problem is just uneven floors.

What is foundation leveling?

Foundation leveling, often called house leveling, is the repair that returns a settled or heaved foundation to a usable level and keeps it there. A local foundation contractor finds where the house has moved, installs supports under those spots, then lifts with hydraulic jacks until floors, doors and walls come back into line. It treats the movement, not the cracks it left behind.

Houston keeps this trade busy. The Lake Charles clay under much of the area is 45 to 60% clay, the USDA says, and it shrinks and swells with the weather. Subsidence adds to it: the Harris-Galveston Subsidence District measures the fastest sinking, over 3 cm a year, around Katy and Fulshear.

Basements are rare here, so the bowing basement walls national guides discuss are almost never the issue. The full repair picture is on house leveling and foundation repair.

How does a house get leveled?

A house gets leveled in four steps: measure, support, lift and check. The contractor takes elevation readings across the floor, digs at the low points, installs piers down to firm soil, then lifts the structure on those piers with hydraulic jacks, a little at a time. Once readings are acceptable, the piers are locked off, holes are backfilled and a final set of readings is recorded.

The method depends on the foundation:

Pier prices come from the Houston Press guide. The equipment is mainly hydraulic jacks and a water or laser level for readings. For more on each type, see foundation piers, and for raised floors, house leveling on pier and beam.

How long does it take to level a house?

Most partial leveling jobs on a Houston slab take a few days on site, and a small fix to one corner can be quicker. The time depends on the number of piers, whether any go inside the house through the floor, and how hard the ground is to dig. A whole-house lift, or work waiting on an engineer or a permit, takes longer.

Inside the City of Houston, foundation repair runs under a building permit; the city's weekly permit reports list jobs such as residential shim and level work on block and base foundations. In the Houston Heights, where many bungalows sit on pier and beam, the three historic districts can add a review step if the outside of the house changes. If a driveway or patio is mudjacked at the same time, the Houston Press guide says the slurry needs 24 to 72 hours to cure.

Is house leveling worth it?

House leveling is usually worth it when the foundation is still moving or the movement is causing real damage: doors that won't latch, widening cracks, plumbing strain, or floors that slope enough to notice. Fixing it early is cheaper. This Old House notes that a hairline crack sealed for $250 to $800 can turn into a $10,000 to $15,000 repair if it is left.

It may not be worth it when the house moved years ago and has stayed put. Lifting a long-settled frame can crack plaster and tile that have adjusted. Readings a few months apart show whether it is still moving. The signs that point to a safety problem are covered in are uneven floors dangerous, and what is normal in an older home is in is it normal for old houses to have uneven floors.

Can you level a house yourself with jacks?

You can level a small section of a raised floor yourself with screw jacks and shims, if the problem is a sagging beam or a sunken block in a crawl space you can reach safely. Leveling a slab house is not a DIY job. It needs hydraulic equipment, piers driven deep to firm soil and, in Houston, a building permit.

Homeowner jacks and steel support posts are strong enough to hold a beam while a block is replaced, not to lift a whole side of a house. Raise a few millimeters at a time, crib under every jack, and stop if drywall starts cracking. The details are in leveling house jacks, house leveling screw jacks and leveling a floor with jacks.

What is the best way to find a good foundation leveling contractor?

The best way is to get several written estimates for the same scope, compare them line by line, and ask each contractor to explain big gaps in price. The Federal Trade Commission advises getting multiple estimates, not automatically choosing the lowest bid, and getting every promise in writing. A good quote names the pier type, the number and location of piers, and what happens after.

Also from the FTC, and for foundation work:

• The contract should show the business name, address, phone number and an estimated start and finish date, with every blank filled in.
• Don't pay the full amount up front, and hold the final payment until the work is done.
• Ask for the pier log, the depth or pressure each pier reached, and the final elevation readings.

We'll arrange a visit, and you get the price in writing first.

Do uneven floors always mean the foundation needs leveling?

No. Uneven floors can come from a sunken foundation, but also from a sagging joist, a worn subfloor or a slab that was poured out of level and never moved. If readings show the structure is stable, the fix is a flooring job: a self-leveling compound on a slab, or sistered joists and new subfloor on a raised house.

A transition strip or a floating vinyl plank floor can hide a small, stable dip, but neither stops movement. For the step-by-step options, see how to level uneven floors, how to level uneven concrete floors and how to level a floor in an old house.