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30×40 Pole Barn Cost in Oregon (2026)

A 30×40 pole barn in Oregon costs about $44,260 turnkey in 2026 ($36.88 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

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Materials-Only Kit
$17,164
Delivered lumber, trusses, metal panels & hardware
= Rows 3–7 below, materials only
Concrete Slab & Site Prep
$10,025
Grading, forms, rebar & poured concrete floor
= Rows 1–2 below, installed price
Turnkey Installed Total
$44,260
$36.88 per sq. ft.
Complete build with a local licensed crew, materials & slab
= All rows below, installed price
A fair bid from a local builder in Oregon should land between $40,719 and $48,686. 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$700$1,079$2,135
24" standard concrete slab3,500 PSI ready-mix, #4 rebar 18" grid, vapor barrier, forms15.9 cu yd$3,554$3,021$7,890
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$3,771$3,957$9,274
430' engineered roof trusses & purlins11 trusses at 4 ft on center, 115 mph rated, 2×4 purlins11 trusses + 630 lf$3,530$2,302$6,998
529-ga metal roof & wall panels + trimPainted steel panels, ridge cap, corner/door/base trim, closures31.5 squares$4,580$2,170$8,100
6Overhead & walk doorsDetails in the spec sheet🔒 Included in $19 spec sheet$3,496$1,079$5,490
7Screws, hardware & condensation barrierDetails in the spec sheet🔒 Included in $19 spec sheet$1,787$432$2,663
8Permit, stamped drawings & deliveryDetails in the spec sheet🔒 Included in $19 spec sheet$1,425$0$1,710
Turnkey total$22,843$14,040$44,260
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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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Common questions

How much does a 30×40 Pole Barn cost in Oregon?

About $44,260 fully built by a local crew in 2026, or roughly $17,164 for the materials kit alone. Most fair bids land between $40,719 and $48,686.

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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