Free Tiny House Cost Calculator

Estimate the total cost of building your tiny house with our comprehensive calculator. Choose your quality level, location, foundation type, and select from various systems and add-ons to get an accurate budget estimate for your tiny house project.

Free cost estimation tool • Updated November 2025

Select options below to see real-time cost estimates in the sidebar.

All options start at lowest cost. Estimates based on 2024-2025 U.S. averages. Always get professional quotes.

Basic Configuration

Sq Ft

Quality

Location

Foundation

Roof

DIY Build-35%

Systems & Add-ons

Solar Power System

Water Treatment System

Composting Toilet

Propane System

Mini-Split HVAC

Insulation Package

Interior Fixtures

Off-Grid Electrical Setup

Security / Monitoring

Backup Generator

Water Heater

Furniture & Appliances

Deck / Exterior Stairs

Off-Grid Internet

Site Prep & Utilities

Permitting & Fees

Trailer Registration

Battery Expansion

Rainwater Storage Tank

Backup Wood Stove

Greywater / Rainwater System

Outdoor Kitchen / Shower

Cost Breakdown

100 sq ft • Low Quality:$20,000

Pier And Beam:$7,500

Subtotal:$27,500

Rural Location (0.9x):$24,750

Important Notes:

Estimate based on 2024-2025 U.S. averages
Costs vary by region, materials, and labor
Excludes land, taxes, insurance, maintenance
Get multiple quotes from licensed contractors
Budget 10-20% contingency for unexpected costs

Estimated Total

$24,750

$248/sq ft

100 sq ft