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40×60 Concrete Slab Cost in Maryland (2026)

A 40×60 concrete slab in Maryland costs about $31,159 turnkey in 2026 ($12.98 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

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Concrete & Rebar Materials
$10,828
Ready-mix concrete, rebar, forms & vapor barrier
= Rows 3–6 below, materials only
Excavation & Gravel Base
$6,288
Grading, haul-off & compacted stone base
= Rows 1–2 below, installed price
Turnkey Installed Total
$31,159
$12.98 per sq. ft.
Formed, poured & finished by a local concrete crew
= All rows below, installed price
A fair bid from a local builder in Maryland should land between $28,666 and $34,275. Get 3 quotes, and if one is far outside this range, ask why.

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Itemized cost breakdown

#ItemQuantityMaterialsLaborInstalled
1Excavation & gradingStrip topsoil, cut/fill to grade, haul-off2,800 sq ft$1,006$1,772$3,334
2Compacted gravel base (4")Crushed stone, plate-compacted41.5 tons$1,279$1,183$2,954
36" ready-mix concrete (3,500 PSI)Includes 5% waste and thickened edges51.9 cu yd$6,716$0$8,059
4#4 rebar grid (12" on center) & chairsTied rebar on chairs, dowels at doors5,280 lf$2,982$2,011$5,992
5Forms, pour & finish laborSet forms, place, power-trowel finish, cure2,400 sq ft$514$5,917$7,717
6Vapor barrier & control jointsDetails in the spec sheet🔒 Included in $19 spec sheet$616$944$1,872
7Concrete pump (trailer-mounted)Details in the spec sheet🔒 Included in $19 spec sheet$800$0$960
8Permit & inspection (if required)Details in the spec sheet🔒 Included in $19 spec sheet$226$0$271
Turnkey total$14,139$11,827$31,159
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Prices use 2026 material costs and typical local crew rates. Site work, custom options and material price swings can move your final price.

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Builder Spec Sheet & Shopping List

The same line items as this page in an editable Excel file and a PDF, each with a short spec, quantity, materials, labor and installed price. Plus a permit and site-prep checklist and a sheet for comparing 3 builder bids. 30-day money-back guarantee.

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Common questions

How much does a 40×60 Concrete Slab cost in Maryland?

About $31,159 fully built by a local crew in 2026, or roughly $10,828 for the materials kit alone. Most fair bids land between $28,666 and $34,275.

What drives the price up or down?

Site prep (slope, soil, driveway access), floor choice, doors and insulation, and local labor rates. Lumber and steel prices also move a few percent a year.

Do I need a permit?

Most counties require a building permit for structures over 200 sq ft. Call your county building department with your size and location before you order materials.

How do I make sure I'm getting a fair quote?

Get at least 3 itemized bids for the same spec. Compare them line by line against this breakdown and ask about anything far above or below it.

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