Value-engineered
$364/sf
$910K
Tight floor plan, builder-grade finishes
Realistic mid-finish
$520/sf
$1300K
What most clients in this market actually build
Stretch / fully loaded
$800/sf
$2000K
Premium finishes, designer details
Lexington vs. Massachusetts statewide
The Massachusetts state median for a 2,500 sf custom home runs around $400/sf. Lexington runs roughly 30% above that — making it a top-of-market luxury submarket.
Stretch energy code, Title 5 septic, strict zoning. Greater Boston runs 20–35% above state median.
What drives cost in Lexington
- →Local permit cadence. Typical Massachusetts permit window is 6–12 months. Metro submarkets within Massachusetts often run longer than rural counties.
- →Climate-driven assemblies. Cold, 5A climate zone. That dictates insulation, roof, and HVAC line items.
- →Trade availability. Lexington pricing reflects local labor density. Booked-out trades in this market drive 5–15% premium during peak season.
- →Land excluded. Lexington land prices vary 5–10x by neighborhood. Budget land separately and add to these construction totals.
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