How thick should a concrete sidewalk be?
Four inches is common for pedestrian sidewalks. Thicker sections may be needed where vehicles cross.
Concrete cost guide
Concrete Sidewalk Cost
Sidewalk cost depends on width, thickness, base, forms, expansion joints, and whether old sidewalk must be removed.
Need project-specific numbers? Use the Concrete Sidewalk Cost Calculator.
Typical Cost Ranges
| Item | Typical Cost | Notes |
|---|---|---|
| New sidewalk | $6-$12/sq ft | Plain broom finish |
| Sidewalk replacement | $8-$18/sq ft | Includes demolition range |
| Small DIY bag job | $5-$9/sq ft materials | Bags, forms, gravel, sealer |
How To Estimate It
- Sidewalk area = length x width
- Bags = cubic yards x bags per yard
FAQs
Can I pour a sidewalk with bags?
Yes for small sections. For long sidewalks, ready-mix is usually faster and more consistent.