Free cost calculator

Home › Cost guides › Colorado › 30×40 Pole Barn

30×40 Pole Barn Cost in Colorado (2026)

A 30×40 pole barn in Colorado costs about $43,170 turnkey in 2026 ($35.98 per sq. ft.). Here's the itemized breakdown of materials, site prep and labor, using local crew rates.

Request free local quotesCustomize this estimate
Materials-Only Kit
$16,867
Delivered lumber, trusses, metal panels & hardware
= Rows 3–7 below, materials only
Concrete Slab & Site Prep
$9,758
Grading, forms, rebar & poured concrete floor
= Rows 1–2 below, installed price
Turnkey Installed Total
$43,170
$35.98 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 Colorado should land between $39,716 and $47,487. 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$688$1,040$2,074
24" standard concrete slab3,500 PSI ready-mix, #4 rebar 18" grid, vapor barrier, forms15.9 cu yd$3,492$2,911$7,684
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$3,705$3,812$9,020
430' engineered roof trusses & purlins11 trusses at 4 ft on center, 115 mph rated, 2×4 purlins11 trusses + 630 lf$3,469$2,218$6,824
529-ga metal roof & wall panels + trimPainted steel panels, ridge cap, corner/door/base trim, closures31.5 squares$4,501$2,091$7,910
6Overhead & walk doorsDetails in the spec sheet🔒 Included in $19 spec sheet$3,436$1,040$5,371
7Screws, hardware & condensation barrierDetails in the spec sheet🔒 Included in $19 spec sheet$1,756$416$2,606
8Permit, stamped drawings & deliveryDetails in the spec sheet🔒 Included in $19 spec sheet$1,401$0$1,681
Turnkey total$22,448$13,528$43,170
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 a 30×40 Pole Barn cost in Colorado?

About $43,170 fully built by a local crew in 2026, or roughly $16,867 for the materials kit alone. Most fair bids land between $39,716 and $47,487.

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.

Related cost guides