2026 Custom Home Costs · Exeter, NH

What it actually costs to build a custom home in Exeter.

Honest 2026 planning ranges for a 2,500 sq ft custom home in Exeter — $270–$592 per square foot, all-in (hard + soft + contingency, land excluded). Exeter is a premium metro submarket within New Hampshire.

Value-engineered

$270/sf

$675K

Tight floor plan, builder-grade finishes

Realistic mid-finish

$385/sf

$963K

What most clients in this market actually build

Stretch / fully loaded

$592/sf

$1480K

Premium finishes, designer details

Exeter vs. New Hampshire statewide

The New Hampshire state median for a 2,500 sf custom home runs around $335/sf. Exeter runs roughly 15% above that — making it a premium metro submarket.

No income/sales tax keeps owner costs reasonable, but materials still ship at NE premium.

What drives cost in Exeter

  • →Local permit cadence. Typical New Hampshire permit window is 3–6 months. Metro submarkets within New Hampshire often run longer than rural counties.
  • →Climate-driven assemblies. Cold, 5A/6A climate zone. That dictates insulation, roof, and HVAC line items.
  • →Trade availability. Exeter pricing reflects local labor density. Booked-out trades in this market drive 5–15% premium during peak season.
  • →Land excluded. Exeter land prices vary 5–10x by neighborhood. Budget land separately and add to these construction totals.

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