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Average Home Building Costs Per Sq Ft: Shell Option. The average home building cost per sq ft for a home is far more uniform than the finished cost per square foot. A shell does not include the foundation, landscaping, fixtures, cabinetry finishes or appliances. Sometimes it does not even include drywall. It usually doesnât include the plumbing or electrical wiring either, though sometimes rough plumbing and wiring are included. The average home building cost per sq ft for a shell is about $25 per square foot with a range of about $22 to $30 per square foot.
Building costs here are high. Ive heard quotes as low as $175 per square foot, up to $400 per sq. foot. It of course depends on what kind of house youre building, how elaborate the trim, fixtures, etc. If youre considering building, I suggest you talk with a few builders here to get an idea from them.