Foundation Repair Cost in New Hampshire (2026)

Foundation Repair in New Hampshire runs $2,046–$25,224 per project, with most projects landing near $7,575. New Hampshire prices run close to the national median of $7,500 — within ±10%.

New Hampshire 2026 pricing

Tier	Price per project	What you get
Budget	$2,046	Entry-tier materials, contractor lower hourly rate
Typical	$7,575	Mid-tier materials, established local contractor
Premium	$25,224	Premium materials, top-rated installer, custom work

Source: National median $7,500 × BLS Regional Price Parity (2022) applied to New Hampshire. Last updated 2026-05-25.

Why New Hampshire pricing looks like this

Northeastern states like New Hampshire carry higher labor and permit costs, with cold-weather climate adding 8–15% to seasonal pricing.

Specific factors that move New Hampshire pricing relative to the national baseline:

High permit costs — some municipalities charge $200–$800 above national norms
Older housing stock requires more retrofit / code-compliance work
Snow-load specs drive heavier structural materials (roofing, decks)
Tighter labor market — fewer skilled trades per capita than other regions

Pricing by major metro in New Hampshire

Within New Hampshire, metro-level pricing varies by labor market and cost of living. Multipliers below are applied to the state typical of $7,575.

Metro	Typical price	Range	Notes
Manchester	$7,727	$2,087–$25,728	Close to state average
Nashua	$7,954	$2,148–$26,485	Close to state average
Concord	$7,424	$2,005–$24,720	Close to state average
Portsmouth	$8,333	$2,251–$27,746	+10% vs state avg (higher labor + CoL)

Metro multipliers from BLS metro-level Regional Price Parity. Always verify with 2–3 local quotes — actual contractor pricing varies ±15% within a metro depending on specific neighborhood, season, and contractor availability.

Estimate your specific foundation repair cost in New Hampshire

Foundation Repair Cost Calculator

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$2,000–$25,000

Typical: $7,500 · National baseline

Calculator defaults to National average. Switch the "Your State" dropdown to New Hampshire to apply local pricing.

Frequently asked questions about Foundation Repair in New Hampshire

How do I know if my foundation needs repair vs is just cosmetic cracking?

Hairline cracks under 1/8 inch wide, running vertically, are usually cosmetic — concrete shrinkage during cure. Repair as DIY caulk for cosmetic reasons ($30–$100). Get a structural engineer assessment if you see: horizontal cracks wider than 1/4 inch, stair-step cracks in brick or block, cracks that grow over months, doors or windows that suddenly bind, sloping floors (use a marble test), or wet spots in the basement after rain. Engineer assessment: $400–$800, often credited toward repair if you hire the firm.

Mudjacking vs polyurethane foam — what's the difference?

Mudjacking pumps a cement-and-soil slurry under a sunken slab to raise it — $500–$3,000 typical, lasts 10–15 years. Polyurethane foam injection does the same job with expanding foam — $1,500–$5,000, lasts 25+ years, lighter weight (less load on already-weak soil), and cures in 15 minutes (mudjacking needs 24 hours). For driveways and pool decks, polyurethane wins on durability. For garage floors or basement slabs where weight isn't critical, mudjacking is the budget pick.

Helical piers vs push piers — which do I need?

Push piers (also called resistance piers) are driven hydraulically into hard soil until they hit bedrock or refusal: $1,500–$2,500 per pier, requires the weight of the house to drive them. Best for heavier homes and unstable upper soils. Helical piers are screwed into the ground like giant corkscrews: $2,000–$3,500 per pier, work in any soil, can be installed in lighter structures or for new construction. A structural engineer specs which is appropriate based on soil report and load — don't let a contractor pick without an engineer's sign-off.

Does homeowners insurance cover foundation repair?

Almost never for gradual issues (settling, soil shrinkage, water intrusion over time) — those are excluded as "wear and tear" on every standard policy. Insurance typically covers foundation damage only from sudden, accidental events: a burst pipe flooding the foundation, vehicle impact, a fallen tree, or natural disasters (with separate flood or earthquake riders). If your basement floods from a slow leak, you're paying out of pocket. Document any sudden damage with photos and a contractor estimate within 7 days for the best claim outcome.

How long does foundation repair take?

Cosmetic crack repair: 1–4 hours. Epoxy or polyurethane injection: 1 day. Mudjacking: 1–2 days. Carbon fiber wall straps: 2–4 days. Push or helical piers: 3–5 days per pier set, plus 1–2 days for engineering and prep. Full underpinning (10+ piers): 2–3 weeks. Most homeowners can stay in the house during repair — the only major exception is full basement waterproofing with interior excavation (3–7 days of dust and noise).

Compare nearby states

National guide →
Full guide with all 50 states and methodology
Massachusetts pricing →
$2,228–$27,472 per project
New Jersey pricing →
$2,127–$26,223 per project
Connecticut pricing →
$2,106–$25,974 per project

About this data. National baseline of $7,500 derives from aggregated 2026 quote data across major lead-gen platforms. State-level figures apply Bureau of Labor Statistics Regional Price Parity (2022, all-items) to the national baseline. We refresh quarterly and welcome corrections — email [email protected] if a local quote you received falls materially outside our state range. See full methodology.