Value-engineered
$280/sf
$700K
Tight floor plan, builder-grade finishes
Realistic mid-finish
$400/sf
$1000K
What most clients actually build
Stretch / fully loaded
$615/sf
$1538K
Premium finishes, designer details
What drives cost in Massachusetts
Stretch energy code, Title 5 septic, strict zoning. Greater Boston runs 20–35% above state median.
- Climate zone
- Cold, 5A
- Typical permit window
- 6–12 months
- Cost range (per sq ft)
- $280–$615
- Total for 2,500 sf
- $700K–$1538K
How to use these numbers
- →These are planning ranges, not bids. A builder bid varies with site, finishes, and timing. Use this to know whether you're in the right ballpark before you spend a dollar.
- →Add land separately. Massachusetts land prices vary 10x between rural and metro. Budget land independently.
- →Most clients land mid-tier. If you're imagining "modest custom," that's the mid range, not the low one.
- →Carry 10% contingency on top. Already included in our ranges, but worth knowing.
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