Concrete CalculatorCost by city › Anchorage, AK

Concrete Cost in Anchorage, AK

Concrete for a 20×20 ft (400 sq ft) 4-inch concrete slab in Anchorage, AK costs about $948 ($806–$1,090). Local 2026 price is around $192 per cuyd. Free calculator inside.

Estimated cost — a 20×20 ft (400 sq ft) 4-inch concrete slab
$948
Typical range $806 – $1,090 · about $192 per cuyd in Anchorage
Local unit price
$192
You need
4.94 cu yd
State factor
AK ×1.28
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What goes into concrete cost in Anchorage

The line items below are 2026 national averages adjusted by the AK construction-cost factor (×1.28). A written Anchorage quote is usually built from these pieces — use them to sanity-check any bid line by line before you sign.

Cost itemTypical Anchorage priceUnit
Ready-mix concrete, 3,000–4,000 PSI$192 – $237per cu yd delivered
Labor: forming, pouring & finishing$5.12 – $10.24per sq ft
Gravel base & subgrade prep$1.28 – $2.56per sq ft
Wire mesh / rebar reinforcement$0.45 – $1.28per sq ft
Short-load fee (orders under ~4 cu yd)$96 – $192per delivery
Residential flatwork permit$64 – $384per 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 Anchorage

The frost line around Anchorage is roughly 42 inches, so footings for anything structural (stairs, walls, covered patios) must bear below that depth — confirm the exact figure with Anchorage Development Services. A patio or driveway slab itself floats above the frost line, but its thickened edges and base prep are what keep it from heaving.

Outdoor concrete in Anchorage should be an air-entrained mix (about 5–7% air) so it survives freeze-thaw cycles and de-icing salt. Skipping air entrainment is the most common cause of surface scaling here.

The paving and pouring season realistically runs May–September; frost heave will find any shortcut in the base.

Permits: for larger flatwork, driveways, or anything structural, check requirements with Anchorage Development Services before work starts.

Estimate your own Anchorage project

Prices in Anchorage, AK 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.

You need
4.94 cu yd
Estimated material cost $948
Area
400 sq ft
Volume
133.33 cu ft
80-lb bags
223

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 Anchorage by project size

Material quantities use the local Anchorage unit price; the last column adds delivery, base prep, and labor at AK-adjusted rates. Click any size for its full breakdown and calculator.

Project sizeYou needMaterial costInstalled estimate
10×10 ft · 4 in1.23 cu yd$237$768 – $1,280
12×12 ft · 4 in1.78 cu yd$341$1,106 – $1,843
12×16 ft · 4 in2.37 cu yd$455$1,475 – $2,458
16×20 ft · 4 in3.95 cu yd$759$2,458 – $4,096
20×20 ft · 4 in4.94 cu yd$948$3,072 – $5,120
24×24 ft · 4 in7.11 cu yd$1,365$4,424 – $7,373
30×40 ft · 4 in14.81 cu yd$2,844$9,216 – $15,360
40×50 ft · 4 in24.69 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 Anchorage homeowners ask

How much does a concrete slab cost in Anchorage?
Materials alone for a 20×20 ft (400 sq ft) 4-inch concrete slab run about $948 in Anchorage. 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 Anchorage?
Plan on $192–$237 per cubic yard delivered for a standard 3,000–4,000 PSI mix in the Anchorage 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 Anchorage?
Driveways, sidewalks, and anything structural almost always require one; small detached patio pads sometimes fall under the permit threshold. Confirm with Anchorage Development Services before you pour — a permit costs far less than being ordered to remove finished work.
Is it cheaper to pour concrete myself in Anchorage?
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.
Can you pour concrete in winter in Anchorage?
Below about 40°F, fresh concrete needs curing blankets, heated enclosures, or accelerating admixtures to gain strength — all of which add cost. Most residential work in Anchorage is scheduled between spring and fall, and winter quotes often carry a cold-weather premium.
How can I save money on concrete in Anchorage?
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 Anchorage quotes — 30% spreads between local bids are normal.

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Regional estimate = national average adjusted by a AK cost factor. Not a quote. Actual prices vary by site conditions, access, and supplier.