Concrete Calculator › Cost by city › San Jose, CA
Concrete Cost in San Jose, CA
Concrete for a 20×20 ft (400 sq ft) 4-inch concrete slab in San Jose, CA costs about $948 ($806–$1,090). Local 2026 price is around $192 per cuyd. Free calculator inside.
What goes into concrete cost in San Jose
The line items below are 2026 national averages adjusted by the CA construction-cost factor (×1.28). A written San Jose quote is usually built from these pieces — use them to sanity-check any bid line by line before you sign.
| Cost item | Typical San Jose price | Unit |
|---|---|---|
| Ready-mix concrete, 3,000–4,000 PSI | $192 – $237 | per cu yd delivered |
| Labor: forming, pouring & finishing | $5.12 – $10.24 | per sq ft |
| Gravel base & subgrade prep | $1.28 – $2.56 | per sq ft |
| Wire mesh / rebar reinforcement | $0.45 – $1.28 | per sq ft |
| Short-load fee (orders under ~4 cu yd) | $96 – $192 | per delivery |
| Residential flatwork permit | $64 – $384 | per project |
Permit fees are set by the city rather than the market — confirm current fees with the local building department.
What’s different about building in San Jose
San Jose has no meaningful frost line — code still requires footings to bear about 12 inches into undisturbed soil, but frost heave is not the design problem it is up north. Check specifics with San Jose Building Division.
Seismic code drives structural detail in San Jose: expect rebar schedules and footing ties on anything an inspector reviews, not just minimum thickness.
Permits: for larger flatwork, driveways, or anything structural, check requirements with San Jose Building Division before work starts.
Estimate your own San Jose project
Prices in San Jose, CA run about +28% versus the national average. Enter your dimensions — the calculator starts from the local $192 per cuyd rate; change it to your supplier's quote for an exact figure.
Material shopping list
- Order about 4.94 cubic yards of concrete.
- Budget about $948 before delivery, taxes, and labor.
- Add 5–10% waste for uneven subgrade, cuts, settling, or spillage.
Formula & assumptions
Area = length x width. Volume = area x depth / 12. Cubic yards = cubic feet / 27. Cost = quantity x local unit price.
- Default depth: 4 inches
- Default price: $192 per cuyd
- 80-lb bags yield: 0.6 cu ft each
These assumptions make the estimate easy for search engines and AI answer tools to verify. Replace the default price with your supplier quote for a local estimate.
Concrete cost in San Jose by project size
Material quantities use the local San Jose unit price; the last column adds delivery, base prep, and labor at CA-adjusted rates. Click any size for its full breakdown and calculator.
| Project size | You need | Material cost | Installed estimate |
|---|---|---|---|
| 10×10 ft · 4 in | 1.23 cu yd | $237 | $768 – $1,280 |
| 12×12 ft · 4 in | 1.78 cu yd | $341 | $1,106 – $1,843 |
| 12×16 ft · 4 in | 2.37 cu yd | $455 | $1,475 – $2,458 |
| 16×20 ft · 4 in | 3.95 cu yd | $759 | $2,458 – $4,096 |
| 20×20 ft · 4 in | 4.94 cu yd | $948 | $3,072 – $5,120 |
| 24×24 ft · 4 in | 7.11 cu yd | $1,365 | $4,424 – $7,373 |
| 30×40 ft · 4 in | 14.81 cu yd | $2,844 | $9,216 – $15,360 |
| 40×50 ft · 4 in | 24.69 cu yd | $4,741 | $15,360 – $25,600 |
Installed ranges assume straightforward access and a buildable subgrade; steep, tight, or poor-soil sites price above the top of the range.
Concrete questions San Jose homeowners ask
- How much does a concrete slab cost in San Jose?
- Materials alone for a 20×20 ft (400 sq ft) 4-inch concrete slab run about $948 in San Jose. Fully installed — gravel base, forms, reinforcement, labor, and finishing — most homeowners pay $3,072 to $5,120 for the same slab, roughly $7.68–$12.8 per square foot.
- What does ready-mix concrete cost per yard in San Jose?
- Plan on $192–$237 per cubic yard delivered for a standard 3,000–4,000 PSI mix in the San Jose area. Orders under about 4 cubic yards usually add a short-load fee of $96–$192, so small pours cost noticeably more per yard.
- Do I need a permit to pour a concrete slab in San Jose?
- Driveways, sidewalks, and anything structural almost always require one; small detached patio pads sometimes fall under the permit threshold. Confirm with San Jose Building Division before you pour — a permit costs far less than being ordered to remove finished work.
- Is it cheaper to pour concrete myself in San Jose?
- Labor and finishing account for $5.12–$10.24 per square foot of the installed price, so DIY can roughly halve the cost of a simple pad. But concrete is unforgiving: once the truck arrives you have under two hours to place, screed, and finish. Most first-timers cap DIY at about 100–150 square feet.
- How thick should my slab be?
- Four inches is standard for patios and walkways; use 5–6 inches for driveways or anything carrying vehicles. Going from 4 to 6 inches adds 50% more concrete, so match the thickness to the real use.
- How can I save money on concrete in San Jose?
- Combine small pours into one delivery to clear the short-load threshold, handle your own excavation and gravel base, and collect at least three written San Jose quotes — 30% spreads between local bids are normal.
Concrete cost in nearby cities
Regional estimate = national average adjusted by a CA cost factor. Not a quote. Actual prices vary by site conditions, access, and supplier.