Planning Tool
Tiny Home Cost Calculator
Explore a broad national planning range before you commit to a design, build approach, or system strategy.
What this estimate includes
The model starts with a bundled base-build range and then adds separate broad allowances for the foundation or trailer, utility/system approach, and planning/permit costs. The category percentages shown below are display allocations, not independent estimates.
30%Structure / Exterior
20%Interior
8%Electrical
8%Plumbing
7%HVAC
7%Appliances
20%Other / Building Systems
Important: This calculator provides a broad national planning estimate, not a quote or professional cost estimate. Actual costs can vary substantially based on location, building codes, site conditions, design, materials, labor, utilities, permits, and contractor pricing. Land, financing, taxes, insurance, and major site-development costs are not included unless specifically noted. Always verify costs and requirements with qualified local professionals and local authorities before making financial or construction decisions.
Estimate methodology updated: August 2026. The assumptions are Tiny Build Guide modeling assumptions informed by broad published cost information. They are not official industry price tables or endorsements by the sources used to inform the model.