Concrete Slab & Foundation Cost Guide: How Much Does It Cost to Pour a Concrete Slab?
Everything you need to know: average cost per square foot, material breakdowns, labor rates, reinforcement, and real-world examples for US, Canada, India, and Philippines. Updated for 2026.
What Determines Concrete Slab Costs?
Material & Grade
Concrete mix (3000 psi vs 4000 psi), aggregates, fiber reinforcement, and additives affect base price.
Thickness & Size
4-inch standard slab costs less than 6-inch heavy-duty slabs. Larger projects lower per sq ft rates.
Site Prep & Labor
Excavation, grading, gravel base, forms, rebar, finishing, and regional labor wages are major factors.
Average Concrete Slab Cost Per Square Foot (2026)
Basic 4-inch slab (including materials, labor, and finishing). Prices vary based on region and reinforcement.
| Country | Basic 4" Slab (per sq ft) | 6" Heavy Duty (per sq ft) | Stamped/Decorative (per sq ft) |
|---|---|---|---|
| 🇺🇸 United States | $4 – $8 | $6 – $12 | $10 – $20 |
| 🇨🇦 Canada | CAD 5 – CAD 10 | CAD 8 – CAD 14 | CAD 12 – CAD 25 |
| 🇮🇳 India | ₹60 – ₹120 | ₹100 – ₹180 | ₹200 – ₹400 |
| 🇵🇭 Philippines | ₱150 – ₱300 | ₱250 – ₱450 | ₱500 – ₱900 |
Real-World Slab Project Estimates
2-Car Garage (24'x24')
US: $2,800–$5,800
Canada: CAD 3,500–7,200
India: ₹1,20,000–₹2,40,000
PH: ₱85,000–₱180,000
Patio / Walkway (10'x10')
US: $400–$800
Canada: CAD 500–1,000
India: ₹6,000–₹15,000
PH: ₱15,000–₱30,000
House Foundation (40'x60')
US: $12,000–$28,000
Canada: CAD 15,000–34,000
India: ₹3,50,000–₹7,20,000
PH: ₱3,50,000–₱7,00,000
Detailed Cost Components: What's Included?
Excavation & Grading
$0.50–$2.00/sq ft. Includes removal of topsoil and leveling.
Gravel Base / Crushed Stone
$0.50–$1.50/sq ft. Essential for drainage and stability.
Rebar / Wire Mesh
$0.30–$0.80/sq ft. Prevents cracking and adds tensile strength.
Concrete Pour & Finish
Majority of cost: includes pump, leveling, broom or trowel finish.
Permits & Inspections
US: $100–$500, India: ₹2k–₹8k, PH: ₱2k–₱10k.
Regional Cost Nuances: US, Canada, India & Philippines
United States
- Midwest: $5–7/sq ft
- Northeast: $7–9/sq ft
- California: $8–12/sq ft
- Plus cost of forming & rebar
Canada
- Ontario: CAD 6–9/sq ft
- Vancouver: CAD 8–11/sq ft
- Frost protection adds 5-8%
- Higher winter surcharges
India
- Metros (Mumbai/Delhi): ₹100–140/sq ft
- Smaller cities: ₹70–100/sq ft
- Ready-mix concrete premium
- Labor: ₹400–700/day
Philippines
- Metro Manila: ₱250–350/sq ft
- Provincial: ₱150–220/sq ft
- Steel reinforcement adds ₱30–60/sq ft
- Hauling fees in remote areas
FAQs: Concrete Slab & Foundation Costs
How much does a 24x24 concrete slab cost?
US: $2,800–$5,800; Canada: CAD 3,500–7,200; India: ₹1,20,000–₹2,40,000; Philippines: ₱85,000–₱180,000 (includes 4-inch slab, rebar, basic finish).
What is the average cost of a 30x50 concrete slab?
US: $7,000–$14,000 depending on reinforcement and site access. Bulk pricing reduces per sq ft to $5–$7.
Does the quoted price include grading and gravel base?
Most contractors separate excavation and base prep. Always ask for itemized quote. Expect +$0.50–$1.50 per sq ft for gravel base.
Does cold weather increase concrete slab cost?
Yes. In Canada & northern US, winter additives and heated enclosures can add 10–20% to total project.
How much to remove an old slab before pouring new?
Removal costs $2–$5 per sq ft (US), ₹50–₹100/sq ft in India, ₱80–₱150 in PH. Hauling fees extra.
Is rebar required for a residential garage slab?
For 4-inch slab, wire mesh may suffice. For 6-inch with heavy vehicles, #3 or #4 rebar 18" OC is recommended (+$0.60/sq ft).
How much does stamped concrete cost vs regular slab?
Stamped concrete is 50-100% more: US $10–20/sq ft; India ₹200–400/sq ft. Includes color hardener and texture.
Concrete slab cost for a 10x12 shed foundation?
US: $500–$1,200; Canada CAD 600–1,400; India ₹12,000–₹30,000; PH ₱18,000–₱40,000. Small loads may have premium delivery.