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40×60 Barndominium Shell Cost in Montgomery, AL (2026)

A 40×60 barndominium shell in Montgomery, AL has a dried-in shell estimate of about $108,709 in 2026 ($45.30 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

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Shell Materials Kit

$47,021

Frame, trusses, steel, windows, doors & spray foam

= Rows 3–8 below, materials only

Slab, Plumbing Sleeves & Site Prep

$19,717

Grading, under-slab plumbing sleeves & reinforced slab

= Rows 1–2 below, installed price

Dried-in Shell Estimate

$108,709

$45.30 per sq. ft.

Dried-in shell built by a local licensed crew

= All rows below, installed price

A fair bid from a local builder in Montgomery, AL should land between $100,012 and $119,580. Get 3 quotes, and if one is far outside this range, ask why.

Estimate only. Actual prices vary. No guarantee or warranty. Use as a guide only. Read the full disclaimer

Itemized cost breakdown

#	Item	Quantity	Materials	Labor	Installed
1	Site grading & building padLaser-leveled pad 2 ft past the walls, compacted fill	2,816 sq ft	$1,204	$1,655	$3,431
2	4" standard concrete slab + plumbing sleeves3,500 PSI ready-mix, #4 rebar 18" grid, vapor barrier, forms	31.7 cu yd	$7,855	$5,717	$16,286
3	6×6 treated posts, girts & framing lumber26 posts × 18 ft (.60 CCA ground-contact), 2×6 girts, 2×8 treated skirt board	26 posts + 1,600 lf	$7,582	$8,811	$19,672
4	40' engineered roof trusses & purlins31 trusses at 2 ft on center, 115 mph rated, 2×4 purlins	31 trusses + 1,240 lf	$12,588	$5,287	$21,450
5	29-ga metal roof & wall panels + trimPainted steel panels, ridge cap, corner/door/base trim, closures	56.3 squares	$7,266	$3,172	$12,526
6	Doors & windowsDetails in the spec sheet	🔒 Included in $19 spec sheet	$8,954	$2,521	$13,770
7	Closed-cell spray foam (roof & walls)Details in the spec sheet	🔒 Included in $19 spec sheet	$7,839	$3,231	$13,284
8	Screws, hardware & condensation barrierDetails in the spec sheet	🔒 Included in $19 spec sheet	$2,792	$705	$4,196
9	Permit, stamped drawings & deliveryDetails in the spec sheet	🔒 Included in $19 spec sheet	$3,412	$0	$4,094
	Dried-in shell estimate		$59,492	$31,099	$108,709

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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.

$19 one-time

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 Barndominium Shell cost in Montgomery, AL?

About $108,709 for a dried-in shell (structure, roof, walls and doors), built by a local crew. Interior finish, utilities and site work are not included. Roughly $47,021 for the materials kit alone. Most fair bids land between $100,012 and $119,580.

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.