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Most counties in Illinois require building permits for pole barns over 400 sq ft. Check with your county building department before construction. Agricultural structures may qualify for exemptions in some rural areas.
Important: Always verify requirements with your local building department before starting construction. Requirements can vary significantly by county and municipality.
Illinois adopts the 2021 International Building Code with amendments. Wind load requirements vary by county - check local requirements for snow and wind loads.
Illinois experiences cold winters with heavy snow loads in northern areas. Ensure trusses are rated for your specific snow load zone (20-40 lbs/sq ft). Summer thunderstorms may require additional wind bracing.
Basic Pole Barn
$18,000
Starting price
Premium Build
$75,000
High-end finish
Per Square Foot
$28
Average cost/sq ft
Costs vary based on size, materials, finishes, and site conditions. Use our calculator for a detailed estimate.
4-8 weeks from permit to completion
Construction year-round but best in spring and fall. Winter construction possible with weather protection.
Verified pole barn builders serving your area
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Morton Buildings has served residential, agricultural, and commercial communities since the late 1940s. This 100% employee-owned company has over 100 construction centers nationwide and seven manufacturing facilities. We specialize in pole barns, equestrian buildings, steel buildings, and barndominiums with superior Hi-Rib steel and Energy Performer insulation.