What Causes Foundation Damage in NH and How to Fix It

Wondering if your home’s foundation is damaged? Many homeowners feel the same. Here in New Hampshire, foundation problems are more common than you might think. That’s because homes are constantly under pressure from heavy rain, unstable soil, and other environmental factors specific to our great state.
Whether you have drywall cracks, sticking doors and windows, or uneven floors, determining the root cause of your problem can help you find the right repair solution. Below, learn the most common reasons for local foundation issues and what you can do about them.
What are Signs of Foundation Damage in New Hampshire Homes?
Damage comes in all shapes and sizes. Watch for these common signs that your home has a foundation problem:

Ignoring these issues can lead to more expensive repairs in the future, so it’s a good idea to take action now. Remember, foundation problems don’t fix themselves, so the sooner you address them, the better.
What Causes Foundation Problems?
Here are some common causes of foundation damage in New Hampshire homes:
Hydrostatic Pressure
Hydrostatic pressure is the force that standing water from rainfall or snowmelt exerts against your basement walls, potentially resulting in cracks and other damage. Areas in New Hampshire with high water tables and unstable soils are more likely to experience hydrostatic pressure.

Soil Erosion
Heavy rain from seasonal storms in New Hampshire might loosen the soil around your home. Without proper ground cover like grass or mulch, soil can wash away and destabilize the ground surrounding your foundation, causing it to sink or settle.
Poor Soil Compaction
Many homes in New Hampshire are built on improperly compacted soil that can shift or become loose. When this happens, the soil can’t support a property’s weight, resulting in foundation problems.

Drainage Problems
If you have damaged drainage systems or improper grading, standing water may pool around your foundation. Over time, this might weaken the structure.
Unsure of the source of your foundation damage? Don’t worry, these issues can be tricky to determine. For an accurate assessment and peace of mind, contact a foundation repair professional as soon as possible.
How Do You Fix Foundation Damage in New Hampshire?
A foundation repair expert like Groundworks will inspect your foundation and help you find solutions that improve your home’s structural stability. Here are some methods we may recommend to fix your foundation:

- Underpinning: Underpinning methods, such as foundation piers, correct foundation settlement. If you have a crawl space, crawl space jacks stabilize and can lift sagging floors.
- Wall Repair Systems: An effective wall anchor system or wall braces permanently stabilize damaged foundation walls and can potentially straighten them over time.
- Water Management Systems: Basement waterproofing products like interior drains and sump pumps prevent water from seeping into your home and destroying your foundation, while dehumidifiers and vapor barriers manage indoor humidity and improve air quality.
The best foundation repairs are ones customized to meet your home’s unique needs. You can trust Groundworks to recommend and install only what your foundation needs to remain safe and stable.
What to Watch For: Signs You Shouldn’t Ignore
In more severe cases of foundation damage, you might experience the following:
- Stair-step cracks in basement walls
- Floors pulling away from walls
- Water entering at the wall-floor joint
- Crumbling mortar in fieldstone foundations (common in older NH homes)
These red flags are structural and safety hazards. Contact Groundworks right away if you notice any of these issues.
Why Choose Groundworks for New Hampshire Foundation Repair?

Choosing Groundworks for your foundation repair in New Hampshire means relying on a team that truly understands the local environment. With specialized knowledge of regional soil conditions and climate, we provide proven, reliable solutions for both modern builds and treasured historic homes. New Hampshire homeowners trust our expertise to preserve the safety and longevity of their foundations.
Backed by long-term warranties and flexible financing options, our services are as dependable as they are accessible. If you’re seeing foundation cracks or feeling sloped floors, don’t delay—foundation issues only worsen over time. Contact Groundworks today to schedule a professional inspection and receive a customized repair plan tailored to your home’s needs.
Foundation Damage FAQs
Foundation settlement can be a serious concern, as it may lead to significant structural damage if not addressed promptly. How serious? That depends on factors like how long the issues have been going on. Neglecting foundation issues results in visible structural damage and potential safety risks for the home’s occupants. Contact an expert for an inspection to assess the status of your home’s foundation.
Yes, foundation issues can significantly decrease your home’s value and make it difficult to sell. Proper repair can restore value and ensure structural integrity.
The duration of foundation repair depends on the extent of the damage and the type of repair needed, but most repairs can be completed within a few days to a couple of weeks.