Free cost calculator

Home › Cost guides › Maine › Pole Barn Framing & Erection

Pole Barn Framing & Erection Cost in Maine (2026)

Typical price for a 30×40×12 post-frame building on a 4-inch slab in Maine: about $42,346 installed. Use the free itemized estimate below to check contractor quotes.

Request free local quotesCustomize this estimate
Materials-Only Kit
$16,643
Delivered lumber, trusses, metal panels & hardware
= Rows 3–7 below, materials only
Concrete Slab & Site Prep
$9,555
Grading, forms, rebar & poured concrete floor
= Rows 1–2 below, installed price
Turnkey Installed Total
$42,346
Complete build with a local licensed crew, materials & slab
= All rows below, installed price
A fair bid from a local builder in Maine should land between $38,958 and $46,581. 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

#ItemQuantityMaterialsLaborInstalled
1Site grading & building padLaser-leveled pad 2 ft past the walls, compacted fill1,496 sq ft$679$1,010$2,027
24" standard concrete slab3,500 PSI ready-mix, #4 rebar 18" grid, vapor barrier, forms15.9 cu yd$3,446$2,827$7,528
36×6 treated posts, girts & framing lumber18 posts × 16 ft (.60 CCA ground-contact), 2×6 girts, 2×8 treated skirt board18 posts + 980 lf$3,656$3,703$8,831
430' engineered roof trusses & purlins11 trusses at 4 ft on center, 115 mph rated, 2×4 purlins11 trusses + 630 lf$3,423$2,154$6,692
529-ga metal roof & wall panels + trimPainted steel panels, ridge cap, corner/door/base trim, closures31.5 squares$4,441$2,031$7,766
6Overhead & walk doorsDetails in the spec sheet🔒 Included in $19 spec sheet$3,390$1,010$5,280
7Screws, hardware & condensation barrierDetails in the spec sheet🔒 Included in $19 spec sheet$1,733$404$2,564
8Permit, stamped drawings & deliveryDetails in the spec sheet🔒 Included in $19 spec sheet$1,382$0$1,658
Turnkey total$22,150$13,139$42,346
Customize this estimate (free)Request free local quotes

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.

Get my spec pack
Free

Request free local quotes

Tell us your ZIP and timeline. We'll match your request with local builders who serve your area as they join our network. No cost, no obligation.

Request free quotes

Common questions

How much does pole barn framing & erection cost in Maine?

For a 30×40×12 post-frame building on a 4-inch slab, expect about $42,346 with a local pro in 2026. Fair quotes usually fall between $38,958 and $46,581.

Is this a free estimate template?

Yes. The breakdown on this page is free. The $19 Spec Pack puts these same line items in an editable Excel file and a PDF spec sheet you can hand to contractors, plus a permit checklist and a bid-comparison sheet.

How do I compare contractor quotes?

Ask each contractor to price the same scope, then compare their numbers line by line against this breakdown. A quote far below the range often leaves something out.

Related cost guides