30 × 40 workshop slab
4″ · fiber-reinforced · broom finish
Concrete & materials
≈15.5 cu yd ready-mix, two trucks
$3,150
Site prep & compacted stone base
$1,450
Forming, pour & broom finish
$3,600
Travel & mobilization
$780
Total
$8,980
about $7.48 per square foot
Planning to park vehicles on it?
Thicken to 6″
add $1,240
Quote good for 14 days · earliest pour window 9 days out, weather permitting.
Priced from your pin — nobody has to drive out first.