Why is my house sinking into the ground? Is there any way to repair it without tearing down the house?

Yes, a sinking house can almost always be fixed without tearing it down. The usual fix is to drive steel piers (helical or push piers) down past the weak soil to solid ground, then lift and hold the foundation in place. We do this work in-house, and pier repair runs $2,700 per pier for the first three, then $2,200 per pier after that. You keep your home. We stabilize what is under it.

A house sinks when the soil beneath part of the foundation gives way. The footing was set on dirt that cannot carry the load anymore. Sometimes that is poorly compacted backfill, the looser fill put back when the house was built. Sometimes it is soil that dries out, washes out, or stays too wet and soft. When one corner or one wall settles faster than the rest, the house starts to pull apart. That is what you are seeing.

The signs show up before you ever see the foundation move. Doors that stick. Windows that will not latch. Cracks running on a diagonal from a window or door corner. Gaps where the trim meets the wall. A floor that feels like it tilts. One of those alone is not a crisis. Several of them together usually means settlement.

You do not tear a house down to fix this

Tearing down is almost never the answer. The foundation is fixable. The fix is to reach soil that will actually hold and transfer the weight of the house down to it. That is what piers do.

Helical piers are steel shafts with plates welded on, screwed into the ground until they hit a load they can hold. Push piers get driven straight down using the weight of the house itself. Either way, the pier carries the load past the bad soil. Once the piers are set, we can often lift the foundation back toward its original spot. Helical piers come with a 25-year engineered warranty. We self-perform the install. No outside crew on your foundation.

Not every sinking corner needs piers, though. If the issue is a sagging floor inside, not the outside footing, the fix can be simpler. We add lally columns or floor support to carry the load from below, and that runs $1,300 to $2,500. If an old beam or sill has rotted and dropped, we replace the sill and beam, which runs $7,000 to $40,000. You do not need a full pier job for a soft spot in the middle of the basement. We will tell you if you do not.

What drives the cost

The number depends on how far down the good soil sits, how many piers the load needs, and how much of the house has moved. A single dropped corner is a smaller job than a whole wall that has settled. After we look at it, we count the piers, check the soil depth, and price it. Some bigger structural work we do not quote sight unseen at all. A full foundation-wall rebuild, wall anchors, or steel I-beams are jobs we price after we see it. We do repair work. We are not putting in a brand-new foundation under an existing house, so we point you toward the repair path that actually holds.

A bowing or cracked wall is a different problem from a sinking footing, and it has its own fixes. Carbon-fiber straps run $850 each, a power brace runs $1,300 per brace, or crack injection runs $1,000 to $3,000. NH frost heave pushes walls inward over the winters, so a wall that bows in is common up here. If your real worry is a wall leaning rather than a corner dropping, start with our structural and foundation repair page.

Settlement and water often travel together. The same disturbed backfill that drains slowly and holds water around the foundation is the soil that softens and gives way. If you also see water at the floor wall joint after a storm, that is worth fixing too. Our Forever Dry System handles the wet basement side of it, and it is 100% guaranteed to be dry for life!

We are based in East Kingston, NH, and we serve homes across New Hampshire, Maine, and Massachusetts. Every job we touch is backed by the 603 guarantee. The inspection and the estimate cost you nothing, and we get a quote to you within 24 hours.

Call us at 603-610-1770 or book your free inspection and we will tell you what is actually going on under your house.

Related questions

How do I know if my foundation is settling or just has normal cracks? Hairline vertical cracks in concrete are normal as it cures. The ones to watch are diagonal cracks from door and window corners, stair-step cracks in block, and cracks that keep getting wider. Add in sticking doors and sloped floors and you are likely looking at settlement. A free inspection sorts it out.

Can you lift my house back to level once the piers are in? Often, yes. Once the piers reach soil that holds, we can lift the foundation back toward where it started. How much we can recover depends on how long it has been settling and how brittle the structure has gotten. We tell you what is realistic before we start.

Is a sinking foundation covered by homeowners insurance? Most standard homeowners policies exclude earth movement and gradual settling, per the Insurance Information Institute. Coverage varies by policy and cause, so check yours. Either way, the repair itself does not require waiting on a claim. We can inspect and quote it now.