Garage Cost Calculator

B&B Decks Garage Builder

Garage Cost Calculator

Estimate the starting investment for a detached garage based on size, style, exterior finish, garage doors, and project allowances.

Build Your Estimate

Enter your garage dimensions and select your preferred options.

Planning Allowances

Estimates are for planning only. Final pricing depends on site access, utilities, concrete, permits, finish selections, and confirmed scope.

Custom Garage Pricing

This calculator uses vinyl siding garage pricing as the base, then adjusts for size, garage style, exterior finish upgrades, door package, and planning allowances.

Enter Any Size Customers can enter their own garage width and length instead of being limited to common sizes.
Exterior Finish Options Vinyl siding is the base. LP SmartSide, Hardie siding, and brick veneer are treated as upgrade allowances.
Site Review Still Matters Access, grading, utilities, concrete truck access, tree stumps, and permits can change the final number.