DIY Shed Cost Calculator
Plan your shed project budget. Enter dimensions, choose roof style and finish quality to get a detailed material cost breakdown including foundation, walls, roof, siding, and hardware.
Longer side of the shed
Shorter side of the shed
Height of side walls
Roof style affects material cost significantly
Eave overhang beyond walls
Higher finish levels use better materials
How much does it cost to build a 10x8 shed?
A 10×8 foot DIY shed costs approximately: Economy finish: $800-1,200, Standard finish: $1,500-2,200, Premium finish: $3,000-4,500. The cost varies by roof type (gable roofs cost 20-30% more than shed roofs), materials chosen, and your local lumber prices. A pre-built shed of the same size would cost $3,000-6,000, so DIY saves 40-60%.
What is the cheapest roof type for a shed?
A shed roof (single slope) is the cheapest and simplest roof type for a DIY shed. It uses fewer rafters, less sheathing, and simpler flashing than gable or gambrel roofs. However, gable roofs provide better attic storage space and water runoff. Gambrel roofs are the most expensive but offer maximum headroom in the loft area. Flat roofs are cheap but require careful waterproofing.
Do I need a permit to build a shed?
Most municipalities require permits for sheds over 120 square feet (10×12). Some require permits for any structure regardless of size. Setback requirements typically mandate sheds be 3-10 feet from property lines. HOA communities often have stricter rules. Always check with your local building department before purchasing materials. Permit costs range from $50-300 depending on your location and shed value.
What size shed can I build without a permit?
In many areas, sheds under 120 square feet (10×12) don't require a building permit. Some jurisdictions allow up to 200 square feet. However, even permit-exempt sheds must meet setback requirements and zoning rules. Maximum height is often restricted to 12-15 feet. Electrical work always requires a permit. Verify with your local building department—rules vary significantly by county and municipality.