Whether you need a garage floor, shed pad, equipment base, or outdoor slab, getting accurate pricing is essential for budgeting your project. Here's what concrete slab installation costs in Northern Illinois in 2026.
Slab Cost by Project Type
- Shed pad (10x12): $720–$1,200
- Hot tub pad (8x8): $500–$800
- HVAC equipment pad (3x3): $200–$400
- Single-car garage (12x24): $2,000–$3,500
- Two-car garage (24x24): $3,500–$7,000
- Barn/shop floor (30x40): $7,200–$15,000
What's Included in the Price
A complete slab installation from RCC Masonry & Concrete includes site excavation, compaction, 4-inch gravel sub-base, vapor barrier where needed, form setting, reinforcement installation, concrete pour with proper PSI mix, finishing, control joint cutting, and cleanup. We handle everything from start to finish.
Get Your Slab Estimate
Call (224) 441-5284 for a free concrete slab estimate. We serve all of McHenry County and Lake County.