What Is a Fieldstone Foundation and Is It Good or Bad in New Hampshire Homes?
- Jim Johnson
- 3 days ago
- 2 min read
🏡 What Is a Fieldstone Foundation and Is It Good or Bad in New Hampshire Homes?
Many older homes in New Hampshire—especially those built before the 1940s—sit on fieldstone foundations. These foundations were constructed using hand-placed stones without modern concrete footings, and they are still found throughout rural and historic NH towns.
Here’s what NH buyers and sellers should know when dealing with a fieldstone foundation.
⭐ What Is a Fieldstone Foundation?
A fieldstone foundation is built using natural stones set in place with mortar (or, in very old homes, no mortar at all).
They are common in:
✔ Farmhouses
✔ Historic village homes
✔ Lakes region cottages
✔ Mountain and rural properties
✔ Multi-generation family homes
While durable for their age, these foundations need proper upkeep.
⭐ Are Fieldstone Foundations Strong?
They can be, depending on condition.
Pros:
✔ Built thick and heavy
✔ Often last over 100 years
✔ Strong under vertical weight
✔ Add character to historic homes
Cons:
✘ Mortar can crumble over time
✘ Not moisture-resistant
✘ Susceptible to shifting
✘ Difficult to insulate
✘ Limited reinforcement
Condition varies widely from home to home.
⭐ Common Problems Found in NH Fieldstone Foundations
Buyers should look for:
✔ Loose or missing stones
✔ Crumbling mortar
✔ Evidence of past water intrusion
✔ Bowing or bulging walls
✔ Gaps between stones
✔ Signs of frost heave
✔ Insect or rodent access
✔ High humidity or musty odors
These issues show up often due to NH’s freeze-thaw climate.
⭐ Can You Get a Mortgage With a Fieldstone Foundation?
Yes — but lenders and appraisers may require the foundation to be:
✔ Structurally sound
✔ Free of active water intrusion
✔ Professionally evaluated if concerns exist
Severe deterioration can affect financing.
⭐ How Sellers Can Prepare Before Listing
Sellers can improve buyer confidence by:
✔ Repointing mortar where needed
✔ Adding proper drainage and gutters
✔ Using dehumidification in the basement
✔ Providing contractor evaluations
✔ Addressing active water issues
A well-maintained fieldstone foundation can still pass inspections.
⭐ What Repairs Are Possible?
Common fixes include:
✔ Repointing loose mortar
✔ Installing interior drainage
✔ Adding a sump pump
✔ Reinforcing walls
✔ Improving exterior grading
✔ Applying waterproofing systems (selectively)
In extreme cases, partial or full replacement may be recommended.
⭐ Bottom Line
Fieldstone foundations are part of New Hampshire’s history, and many are still structurally sound today. Buyers should evaluate their condition carefully, understand maintenance needs, and rely on experienced inspectors or masons when making decisions. With proper care, a fieldstone foundation can continue supporting a home for generations.
Jim Johnson — Real Estate Agent
58 NH Route 25A
Wentworth, NH 03282
P: (857) 249-7392
Licensed New Hampshire REALTOR® with Three Hills Real Estate Services
Broker Email: info@ThreeHillsRES.com
Broker Website: www.ThreeHillsRES.com
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