Concrete & Patio Calculator
Price your patio or driveway
California standard concrete runs $8–$15/sqft; stamped or decorative finishes run $15–$30/sqft. Add 10–25% for thicker slabs.
Project inputs
400 sqft
$14 /sqft
4 in
$1,800
$1,200
Total project cost
$8,600
That's $22/sqft installed.
Slab cost
$5,600
Excavation
$1,800
Extras
$1,200
Per sqft installed
$22/sqft
Resale add (55%)
$4,730
Curb-appeal value
$8,000
Total value created
$12,730
Resale recoup + estimated curb-appeal value at sale.
The math, step by step
Transparent formulas using 2026 California market averages. No hidden assumptions.
- 1
Base slab
400 sqft × $14/sqft × 100% thickness factor = $5,600
- 2
Excavation & base prep
+ $1,800
- 3
Borders, drainage, sealer
+ $1,200
- 4
All-in total
$8,600
- 5
Cost per sqft
$8,600 ÷ 400 sqft = $22/sqft
- 6
Resale add
$8,600 × 55% = $4,730