Foundation Repair Cost in New Hampshire 2026 Pricing Guide
The average foundation repair project in New Hampshire costs $5,600 in 2026. Prices typically range from $2,408 to $27,440 depending on the type of damage, repair method, and foundation type.
New Hampshire Foundation Repair Quick Facts
Average Cost
$5,600
Cost per Linear Ft
$3.00 – $12.50
Labor Rate
$52 – $75/hr
Soil Type
Rocky / Sandy / Clay
What Affects Foundation Repair Costs in New Hampshire?
New Hampshire's old housing stock and harsh winters create above-average foundation repair costs, with many homes featuring fieldstone or granite block foundations that require specialized restoration techniques to address mortar deterioration, frost heaving, and bowing. The state's deep frost line exceeding 48 inches causes severe freeze-thaw damage to concrete foundations, while spring snowmelt creates intense moisture surges that test basement waterproofing. Rocky soils throughout most of the state make excavation and pier installation more difficult and expensive than in states with softer ground. Southern New Hampshire near the Massachusetts border has higher labor rates due to its proximity to the Boston metro area, while the northern part of the state has fewer available contractors. Most New Hampshire homes have full basements, making wall stabilization, crack repair, and waterproofing the primary foundation services.
Soil & Climate
- Climate Zone
- Very Cold
- Soil Type
- Rocky / Sandy / Clay
- Material Costs
- $450 – $8,500
Permits & Labor
- Permit Required
- Varies
- Avg. Permit Cost
- $150
- Labor Rate
- $52 – $75/hr
| Service | Low | High | Average |
|---|---|---|---|
| Crack Repair | $280 | $2,800 | $896 |
| Piering / Underpinning | $5,600 | $27,440 | $13,160 |
| Mudjacking / Slabjacking | $560 | $3,360 | $1,400 |
| Wall Anchors / Stabilization | $4,368 | $13,160 | $7,672 |
| Basement Waterproofing | $2,184 | $10,976 | $5,488 |
| House Leveling | $5,600 | $21,840 | $10,976 |
| Foundation Inspection | $336 | $1,120 | $672 |
*Costs are estimates based on New Hampshire market data for 2026. Actual prices vary by damage severity, repair method, and location within the state.
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New Hampshire Contractor Licensing & Regulations
New Hampshire does not require a statewide general contractor license, though contractors must register with the state. Most municipalities require building permits for structural foundation work, and the state follows the International Residential Code with local amendments for foundation depth and frost protection requirements.
Licensing Board
Verify your contractor's license through the New Hampshire Office of Professional Licensure and Certification .
Always verify that your contractor holds a valid, active license and adequate insurance before signing any contract. Foundation repair is structural work — ask for proof of workers' compensation coverage, general liability insurance, and relevant structural engineering credentials.
Top Cities for Foundation Repair in New Hampshire
These are the most popular areas for foundation repair services in New Hampshire.
Manchester
NH
Nashua
NH
Concord
NH
Dover
NH
Rochester
NH
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