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FontanaConcrete Calculator — Yards, Bags & Cost
Calculate cubic yards, bags needed, and Fontana-accurate ready-mix costs for any Inland Empire concrete project — driveways, patios, pool decks, foundations, footings & more.
The Fontana Concrete Calculator helps homeowners, contractors, and builders in Fontana, California estimate cubic yards, bag count, and ready-mix costs for any concrete project in San Bernardino County. Fontana pricing typically runs $140–$200/yd for standard 3,500–4,000 PSI ready-mix — reflecting the competitive Inland Empire market served by major suppliers including CEMEX, CalPortland, and Hanson Aggregates. Fontana's primary concrete challenge is its extreme summer heat: Inland Empire temperatures regularly exceed 105°F, requiring hot-weather concrete procedures (ACI 305) for all summer pours. California's seismic requirements also demand higher rebar density and deeper footings than most other states. Enter your dimensions for instant, Fontana-accurate results. Explore more free tools at Concrete Toolkit.
☀️ Fontana Concrete Calculator
☀️ Inland Empire Pricing · CSLB · California Building Code
🚗 Driveway🏊 Pool Deck🏡 Patio / Slab🏗️ Foundation🪨 Footings
Enter your project dimensions to calculate volume, bags needed, and estimated Fontana/San Bernardino County material cost.
Residential driveway: 4–5 in. min, 3,500 PSI. No air entrainment needed in Fontana. San Bernardino County building permit required.
Sidewalk 4 in · Driveway 4–5 in · Pool Deck 4 in · Foundation 8–10 in
Cubic Yards Required
—
Including waste factor
📋 Project Summary
💵 Fontana Cost Estimate
📐 Fontana Driveway Cross-Section — California Standard Layers
Broom / Brushed Finish — CA Standard
Concrete — 4–5 in. (CA Driveway) 3,500–4,000 PSI · Low W/C Ratio · Retarder Admixture in Summer (ACI 305)
⬛ Rebar / Wire Mesh — Required for CA Seismic Zone & Expansive Soils
🪨 4 in. Compacted Aggregate Base (CAB) — Caltrans Spec
Compacted Subgrade / San Bernardino Alluvial / Expansive Clay
27
Cu ft per cubic yard
45
80 lb bags per cu yd
$158
Avg Fontana ready-mix / yd
Concrete SlabRebar LayerAggregate BaseSubgrade
Fontana Concrete Calculator — What You Need to Know
Fontana is one of San Bernardino County's largest cities and sits at the heart of California's Inland Empire — a massive logistics, residential, and commercial construction hub stretching from Riverside to the San Bernardino Mountains. Concrete work in Fontana faces two key challenges: extreme summer heat (regularly exceeding 105°F) that accelerates set time and requires hot-weather precautions, and California's strict seismic building requirements under the California Building Code (CBC). All concrete work must be performed by a CSLB-licensed contractor — verify your contractor's license at cslb.ca.gov. San Bernardino County and the City of Fontana enforce the CBC with local amendments, and permits are required for virtually all structural and flatwork concrete projects.
🔵 Fontana / California Minimum Concrete Requirements
Exterior flatwork (driveways, patios, pool decks): 3,500 PSI min, no air entrainment needed, retarder admixture essential in summer · Foundations (seismic): 2,500 PSI min per CBC, 4,000 PSI recommended for Fontana expansive soils · W/C ratio: max 0.50 standard, max 0.45 for sulfate-exposed soils · Frost depth: 6–12 in. (minimal in Fontana lowlands). Seismic Design Category D applies to most of San Bernardino County — always verify with the City of Fontana Building & Safety Division.
🏊 Fontana Pool Deck Concrete
Pool decks are among the most popular concrete applications in Fontana's hot, sunny climate. A standard 800 sq ft pool deck at 4 inches requires approximately 10 cubic yards. Use 4,000 PSI with a broom, exposed aggregate, or cool-deck finish for slip resistance and heat management. Stamped and colored concrete pool decks run $14–$24/sq ft installed in the Inland Empire market.
🚗 Fontana Driveway Concrete
Fontana residential driveways typically use 4 in. at 3,500–4,000 PSI — frost is rarely a concern at Fontana's elevation. A standard 20×20 ft driveway needs approximately 5 cubic yards. Decorative stamped and colored concrete driveways are extremely popular throughout the Inland Empire, with installed costs of $10–$20/sq ft depending on pattern and color complexity.
🏗️ Fontana Foundation & Seismic Concerns
San Bernardino County is in Seismic Design Category D — one of the highest in the US. Foundations require a soils report (geotechnical investigation) for most projects. Use 4,000–4,500 PSI with rebar placed per CBC seismic detailing requirements. Fontana also has expansive clay and alluvial soils in many neighborhoods, increasing risk of slab heaving without proper sub-base preparation and post-tensioned slab design.
How to Calculate Concrete Volume for Fontana Projects
To use the Fontana Concrete Calculator, measure your length and width in feet and depth in inches. Multiply length × width × (depth ÷ 12) for cubic feet, then divide by 27 for cubic yards. Always add at least 10% waste overage — in Fontana's summer heat, concrete begins setting faster than normal, and a short-load second delivery can cost $120–$200 in additional fees. For large jobs over 10 cubic yards, get quotes from at least three Inland Empire suppliers — pricing competition between CEMEX, CalPortland, and Hanson can save $10–$20 per yard on high-volume orders.
Example: 20 ft × 20 ft Fontana driveway × 4 in = 133.3 cu ft = 4.94 cu yd → Order 5.5 cu yd
⚠️ Fontana Hot-Weather Concrete — ACI 305 Warning
When ambient temperatures exceed 90°F — a common occurrence in Fontana from June through September — fresh concrete loses workability rapidly and is at risk of plastic shrinkage cracking. Per ACI 305 hot-weather guidelines: schedule pours before 7 AM or after 6 PM; use chilled mix water or ice; request a retarder admixture from your supplier; pre-wet the subgrade and formwork; and begin curing immediately with wet burlap and plastic sheeting. Avoid concrete delivery when truck drum temperatures exceed 90°F. Summer concrete in the Inland Empire requires active management — not just planning.
Fontana Concrete Pricing — Current Reference
Ready-mix pricing in Fontana and the Inland Empire is moderately higher than the national average, reflecting California's elevated labor costs, fuel surcharges, and California Air Resources Board (CARB) compliance costs for concrete truck fleets. Major suppliers serving Fontana include CEMEX (operating multiple SoCal plants), CalPortland, Hanson Aggregates, and US Concrete / Vulcan Materials. Prices are quoted per cubic yard and typically include delivery within a standard radius — confirm your site's delivery zone and any fuel surcharges when requesting quotes.
Mix Type / PSI
Fontana Price / Cu Yd
National Avg
Best For
Air Entrained?
CA Compliance
3,000 PSI — Standard
$140–$162
$143–$158
Interior slabs, light patios
Not Required
Interior Only
3,500 PSI — CA Standard
$150–$175
$153–$166
Driveways, patios, walkways
Not Required
Compliant
4,000 PSI — Structural
$158–$195
$161–$173
Pool decks, foundations, heavy slabs
Not Required
Compliant
4,500 PSI — High Duty
$172–$210
$171–$181
Seismic foundations, structural
Not Required
Compliant
5,000 PSI — Commercial
$185–$228
$178–$193
Warehouse, tilt-up, commercial
Not Required
Compliant
Colored / Stamped / Decorative
$195–$265
$160–$200
Patios, driveways, pool decks
Not Required
Popular in Fontana
3,000 PSI — Standard
Fontana Price / Cu Yd$140–$162
National Avg$143–$158
Best ForInterior slabs, light patios
CA ComplianceInterior Only
3,500 PSI — CA Standard
Fontana Price / Cu Yd$150–$175
National Avg$153–$166
Best ForDriveways, patios, walkways
CA ComplianceCompliant
4,000 PSI — Structural
Fontana Price / Cu Yd$158–$195
National Avg$161–$173
Best ForPool decks, foundations
CA ComplianceCompliant
4,500 PSI — High Duty
Fontana Price / Cu Yd$172–$210
National Avg$171–$181
Best ForSeismic foundations
CA ComplianceCompliant
5,000 PSI — Commercial
Fontana Price / Cu Yd$185–$228
National Avg$178–$193
Best ForWarehouse, tilt-up, commercial
CA ComplianceCompliant
Inland Empire Concrete Prices by Area
Ready-mix pricing across the Inland Empire varies based on haul distance from batching plants, project size, and local labor market conditions. Fontana and Rialto benefit from multiple nearby batch plants and strong supplier competition, resulting in some of the most competitive pricing in San Bernardino County. More mountainous or remote areas like Big Bear and Wrightwood see significantly higher pricing due to haul distance and access restrictions.
Area / Zone
Key Cities
3,500 PSI / Cu Yd
4,000 PSI / Cu Yd
Frost Depth
Seismic Category
Fontana / Rialto
Fontana, Rialto, Bloomington
$150–$175
$158–$195
6–12 in.
SDC D
San Bernardino / Colton
San Bernardino, Colton, Loma Linda
$148–$172
$155–$190
6–12 in.
SDC D
Ontario / Rancho Cucamonga
Ontario, Rancho Cucamonga, Upland
$152–$180
$162–$198
6–12 in.
SDC D
Riverside / Moreno Valley
Riverside, Moreno Valley, Perris
$148–$175
$158–$192
6–12 in.
SDC D
High Desert (Victorville)
Victorville, Hesperia, Apple Valley
$155–$185
$165–$200
12–18 in.
SDC C–D
Mountain Areas
Big Bear, Lake Arrowhead, Wrightwood
$185–$240
$200–$260
24–36 in.
SDC D
Fontana / Rialto
3,500 PSI$150–$175/yd
4,000 PSI$158–$195/yd
Frost Depth6–12 in.
SeismicSDC D
San Bernardino / Colton
3,500 PSI$148–$172/yd
4,000 PSI$155–$190/yd
Frost Depth6–12 in.
SeismicSDC D
Ontario / Rancho Cucamonga
3,500 PSI$152–$180/yd
4,000 PSI$162–$198/yd
Frost Depth6–12 in.
SeismicSDC D
High Desert (Victorville)
3,500 PSI$155–$185/yd
4,000 PSI$165–$200/yd
Frost Depth12–18 in.
SeismicSDC C–D
Mountain Areas
3,500 PSI$185–$240/yd
4,000 PSI$200–$260/yd
Frost Depth24–36 in.
SeismicSDC D
✅ Fontana Building Permit — When Is One Required?
The City of Fontana Building & Safety Division requires permits for new driveways, driveway replacements or expansions, patios attached to the home, all foundation and structural concrete work, retaining walls over 3 ft, and any work in the public right-of-way. Visit the City of Fontana Building & Safety portal to apply online or call (909) 350-6718. Unpermitted concrete work can trigger Stop Work Orders, fines, and required demolition at the owner's cost.
Fontana Concrete Project Tips
Beat the heat — pour early in the morning — Fontana's summer temperatures regularly exceed 100°F by midday. Schedule concrete delivery for 5–7 AM to take advantage of cooler ambient temperatures. Concrete placed in full afternoon sun when air temps are above 95°F can lose workability within 30 minutes and develop plastic shrinkage cracks before finishing is complete.
Always use a retarder admixture in summer — Request a Type B (retarding) or Type D (water-reducing/retarding) admixture from your Fontana supplier for any pour between May and October. This extends workability by 1–2 hours, giving your crew time to properly finish the slab before it stiffens in the Inland Empire heat.
Verify your CSLB contractor license — California law requires all concrete contractors to hold a valid CSLB C-8 (Concrete) license. Unlicensed contractors cannot pull permits, and homeowners may be held liable for injuries on unpermitted jobsites. Check any contractor's license status instantly at cslb.ca.gov before signing any contract.
Account for seismic rebar requirements — San Bernardino County sits in Seismic Design Category D. CBC requires higher rebar densities than most other states for foundations, walls, and structural slabs. Always have a licensed CA structural engineer review foundation plans — under-reinforced slabs and footings can fail during earthquake events even if the concrete strength is adequate.
Prepare for expansive soils — Much of Fontana and the western San Bernardino Valley sits on expansive clay and alluvial soils that swell when wet and shrink when dry. Install a minimum 4-inch compacted aggregate base (CAB per Caltrans spec) under all flatwork. For foundations on high-plasticity soil, post-tensioned slab-on-grade design is strongly recommended and increasingly required by San Bernardino County soils engineers.
Use a curing compound immediately after finishing — Fontana's low humidity and high temperatures cause rapid moisture evaporation from fresh concrete surfaces. Apply a white-pigmented curing compound immediately after final finishing to retain mix water. Alternatively, use wet burlap covered with plastic sheeting and keep moist for a minimum of 7 days. Inadequate curing in hot, dry conditions is the leading cause of surface scaling and reduced slab strength in the Inland Empire.
Pull your City of Fontana permit before breaking ground — Fontana code enforcement is active. Most driveways, patios, and structural slabs require a permit through the City of Fontana Building & Safety Division. Online permit applications are available — processing typically takes 5–10 business days for standard residential concrete projects.
How much does concrete cost per yard in Fontana, California?+
$150–$175 per cubic yard for standard 3,500 PSI ready-mix in the Fontana/Inland Empire area. Higher-strength 4,000 PSI runs $158–$195/yd, and decorative or colored mixes run $195–$265/yd. Short-load fees of $120–$200 apply for orders under 3–5 cubic yards. California's CARB compliance costs and fuel surcharges keep IE pricing above the national average of $143–$166/yd for comparable mixes.
What PSI concrete is required for Fontana driveways?+
3,500 PSI minimum for Fontana residential driveways per California Building Code. Unlike Midwest or Northeast states, air entrainment is NOT required in Fontana's mild-winter climate. However, 4,000 PSI is recommended for driveways subject to heavy vehicle loads (trucks, RVs) or for homeowners wanting longer-term durability. Thickness should be 4–5 inches over a compacted 4-inch aggregate base (CAB).
Do I need a permit for concrete work in Fontana?+
Yes, for most projects. The City of Fontana requires permits for new driveways, replacements, patio slabs (especially those attached to the structure), all foundations, and retaining walls over 3 ft. Apply online or in person at Fontana City Hall through the Building & Safety Division. Typical processing time is 5–10 business days for standard residential concrete. Working without a permit risks Stop Work Orders and potential fines.
Why is California concrete more expensive than other states?+
Several California-specific factors push ready-mix pricing above the national average: CARB emissions compliance costs for concrete truck fleets, higher California fuel taxes, elevated labor costs driven by state prevailing wage laws on public projects, stricter admixture and materials testing requirements under CBC, and higher aggregate costs in some inland areas. Fontana benefits from multiple nearby batch plants and is generally priced competitively within California, but still runs 10–20% above national averages for equivalent mixes.
What is the best time to pour concrete in Fontana?+
In Fontana, October through April is the ideal concrete season — temperatures are moderate and hot-weather precautions are rarely needed. During summer months (May–September), schedule all pours before 7 AM to work in cooler conditions. Always request a retarder admixture for summer work and have wet curing materials staged before the truck arrives. Avoid pouring during Santa Ana wind events, which dramatically accelerate moisture evaporation from fresh concrete surfaces.
How many cubic yards for a typical Fontana driveway?+
A standard 20×20 ft Fontana driveway at 4 inches thick requires approximately 4.9 cubic yards (+ 10% waste = ~5.4 cu yd). At local pricing ($150–$175/yd), material cost runs approximately $810–$945. Full installed cost in Fontana including labor, base prep, forming, and finishing typically runs $4,000–$8,000 for a standard driveway, depending on finish type, site access, and existing concrete removal.
Who supplies ready-mix concrete in Fontana?+
Major ready-mix suppliers serving Fontana and the Inland Empire include CEMEX (multiple SoCal plants), CalPortland, Hanson Aggregates, and US Concrete / Vulcan Materials. All operate batch plants within or near San Bernardino County, providing competitive pricing and reliable delivery windows. Always confirm delivery minimums, short-load fees, and fuel surcharges before placing an order, as these can add $100–$200+ to smaller residential pours.
Official references and tools for your Fontana, California concrete project
🏙️
City of Fontana — Building & Safety Division
Official Permits
Apply for concrete, driveway, patio, and foundation permits through the City of Fontana Building & Safety Division. Access permit applications, inspection scheduling, and California Building Code requirements for all San Bernardino County concrete work.
Verify any California concrete contractor's license status instantly through the CSLB online lookup tool. All concrete contractors in California must hold a valid C-8 Concrete license. Hiring an unlicensed contractor puts you at financial and legal risk on every project.
Access the full suite of free concrete calculators for every US state, project type, and material. Includes cubic yard calculators, bag count estimators, cost estimators, and concrete mix design references for all California and national projects.