Percentage of estimated cost
Square Feet
Est. cost per square foot
Estimated cost (if contractors complete all of the work)
2900
$120.00
$348,000.00
Excavation & framing complete
0.24
$83,520.00
Roof and fireplace complete
0.08
$27,840.00
Wiring roughed in
0.03
$10,440.00
Plumbing roughed in
0.06
$20,880.00
Siding on
0.05
$17,400.00
Windows, Insulation, walks, plaster, and garage complete
0.17
$59,160.00
Furnace installed
0.09
$31,320.00
Plumbing fixtures installed
0.04
$13,920.00
Exterior paint, light fixtures installed, finish hardware installed
0.1
$34,800.00
Carpet and trim installed
0.06
$20,880.00
Interior decorating
0.04
$13,920.00
Floors laid and Finished
0.04
$13,920.00
100.00%
$348,000.00
If the Tolstoys did the interior design and the Plumbing fixures installed it would cost them:
$320,160.00
If the Tolstoys did the interior design, Plumbing Rough in, & Plumbing fixtures installed it would cost them :
$299,280.00
Please note: There are 2 answers provided because in a real-world scenario it would be unlikely that any builder would let someone other than a licensed contractor handle the rough in for plumbing on a jobsite.