Home / Local prices / San Francisco San Francisco–Oakland–Fremont Concrete slab cost Estimate a rectangular pour, then allow for waste and supplier order increments. Start with the published examples below, then use your own supplier quote for a delivered estimate.
6-sack ready-mix concrete — $219 per cubic yard Material price. Published 6-sack mix price for a San Mateo County supplier. On-site batches are limited to 1/4, 1/2, 3/4 or 1 yard at a time. Sack count is not a verified PSI rating.
Saved pricing covers one pickup batch of 6-sack material, up to 1 yard. U-cart rental starts at $45 for two hours and is charged again on each dispatch; extra time and cleaning can add charges. Confirm vehicle requirements, availability and tax. Larger quantities or delivery require a separate quote.
Broadmoor Landscape Supply · checked 2026-09-14 ↗ Use this price
Measure the actual formed area. Divide irregular slabs into separate sections. Depth is an input from your design, not a structural recommendation.
Make it your estimate. Set your dimensions below. Choose a published supplier price above, or enter your own quote.
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Your dimensions Feet & inches Metric
Project shape Rectangle / slab Circle / footing Rectangular trench Trapezoidal trench YOUR PROJECT, IN PROFILE Illustrative · not to scale
20 ft 12 ft Depth 4 in Depth entered by you
Allow a little extra For uneven ground, spillage, and the unexpected.
YOUR MATERIAL ESTIMATE
3.26 cubic yards
Includes 10% waste
Neat volume 2.96 yd³
Metric volume 2.49 m³
Estimated material weight 6.6 US tons
0.6 ft³ bags 147 bags
Rounded bulk order 3.5 yd³ Confirm yield, density, and order increments with your supplier before ordering.
Section name 02
Bagged or bulk? Same project. Two ways to get it done.
147 bags
11,760 lb to transport and handle.
Price per bag $
Material estimate Add your price
THE BULK APPROACH Less handling 3.5 cubic yards
1 estimated load at your truck capacity.
Bulk material price $/yd³
Bulk estimate Add your price
Prices are optional. Tax and additional charges are included only when explicitly entered or covered by the saved terms. Placement labor is excluded. Estimates are not supplier quotes.
User-entered supplier prices; delivery and tax require confirmation. No detailed supplier conditions were saved. Confirm delivery and other charges before ordering.
Product Density and bag values are editable planning assumptions. Confirm the product label or supplier specification.
Reinforcement quantities follow your inputs, not a structural design. Base volume excludes its own waste and compaction. Trench fill does not subtract pipe displacement.
Saving a reference preserves your inputs. Apply individual values only when they match the product you will buy.
Product specification reference No product reference selected QUIKRETE Concrete Mix #1101 — 80 lb bag QUIKRETE Concrete Mix #1101 — 60 lb bag QUIKRETE Concrete Mix #1101 — 40 lb bag Density: 2.025 US tons/yd³ — unverified planning assumption; confirm for this product. Bag yield: 0.6 ft³; bag weight: 80 lb; confirm the selected bag product. Shrinkage: 0% — entered planning allowance; no product-specific compaction rate verified. I have checked the density assumption for this product and order. Price and delivery Choose a supplier These are product-specific examples, not regional averages. Applying one sets the listed unit rate. Review delivery, minimum-order and density terms before using the totals. Editing the unit rate switches to manual quote mode.
Project application All applications — check product suitability Concrete slab Concrete driveway Concrete patio Concrete garage floor Concrete shed foundation Concrete footing Supplier market All markets — check service area New York Los Angeles Chicago Dallas–Fort Worth Houston Atlanta Washington Miami Philadelphia Phoenix Boston Riverside San Francisco Detroit Seattle
6-sack ready-mix concrete · $219.00/yd³ Material price. Broadmoor Landscape Supply — Published 6-sack mix price for a San Mateo County supplier. On-site batches are limited to 1/4, 1/2, 3/4 or 1 yard at a time. Sack count is not a verified PSI rating.
Saved pricing covers one pickup batch of 6-sack material, up to 1 yard. U-cart rental starts at $45 for two hours and is charged again on each dispatch; extra time and cleaning can add charges. Confirm vehicle requirements, availability and tax. Larger quantities or delivery require a separate quote.
Reviewed applications: Concrete slab, Concrete driveway, Concrete patio, Concrete garage floor, Concrete shed foundation, Concrete footing.
Source · checked 2026-09-14 ↗ Use price Set an optional weight capacity under Supplier order terms; loads use whichever volume or weight limit is lower. Confirm the payload limit and material density with your supplier. Short-load fees apply to each load below your threshold. Base material and rebar costs are excluded.
Entered delivery fees: $0.00 · Short-load fees: $0.00
Additional project costs Purchase method for budget Bulk order Bags Delivery destination / site Delivery timing / batch
My manual bulk quote includes all applicable delivery, tax and supplier charges entered above. Destination and timing identify a delivery you plan to share. They do not establish supplier service eligibility. Combined orders are chosen below after saving sections.
Labor, equipment and other project items Add labor or equipment item All added item prices are your estimates, not researched local rates. Include applicable taxes in these unit prices. Blank charges remain unknown; enter zero only when confirmed. Save the section to update the project budget.
Buy bags for this estimate 147 whole bags at your 0.6 ft³ yield. The QUIKRETE Concrete Mix #1101 — 80 lb bag reference yield is 0.6 ft³ per 80 lb bag.
QUIKRETE Concrete Mix #1101 data sheet ↗ Find a QUIKRETE dealer ↗
Some product links may be affiliate links. If you buy through them, CubicTally may earn a commission. That does not change the price you pay and does not mean the product is specified for your project. Confirm bag size, mixed yield and suitability on the package.
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A GOOD ESTIMATE STARTS HERE
Know what goes Every estimate shows its assumptions. Adjust waste, material density, and delivery rules to match your job. Use your supplier’s actual prices for a more useful comparison.See how we calculate
3.26 yd³ incl. allowance Save section FROM MEASUREMENTS TO AN ORDER Plan your concrete slab What to measure Measure inside the forms, using the slab thickness specified for your job. Break irregular outlines into non-overlapping rectangles or circles. Save each thickness separately. Worked example: 20 ft × 12 ft × 4 in 20 × 12 × (4 ÷ 12) ÷ 27 = 2.9630 yd³ before allowance.
10% waste · 0% shrinkage
Neat volume 2.963 yd³
Volume with allowances 3.2593 yd³ Illustrative dimensions and allowances. Use your project specification and supplier’s product data. Quantities shown are before supplier rounding.
Included in this quantity Concrete in the measured slab, plus the entered waste allowance.
Measure or price separately Thickened edges, footings, base, reinforcement, forms, finishing and curing supplies.
Choose the specified product Give the supplier your project mix specification. A published strength or bag yield does not establish suitability for the slab.
Before booking the order Confirm the mix, total yardage, order increment, access, discharge method and complete charges. Keep base and concrete as different material orders.
General product and ordering reference: NRMCA CIP 31 — Ordering Ready Mixed Concrete · checked 2026-09-14. Worked quantities are CubicTally examples.
General ready-mix ordering guidance; not a local supplier offer or a project mix specification. Any local prices on this page are attributed separately to the suppliers offering them.