Know Before You Build
DADU Solutions

Cost Estimator

This is a free planning tool. We do not collect or store your information. Estimates are informed by publicly available web-based information and AI-assisted research; they are not DADU Solutions prices, bids, or guarantees.

Estimate your project

This takes about one minute. No contact information is required.

Square feet: 400–1,200
Bedrooms
Bathrooms
Quality and finish level
Site conditions
Utility complexity
Existing structure removal
Important: Project costs can vary significantly based on site conditions, access, utilities, design choices, permitting requirements, contractor selection, and market conditions.

The model uses ZIP-based regional adjustments plus construction, design, engineering, permitting, site, utility, demolition, and contingency allowances. It is intended for early planning—not bidding, lending, appraisal, or construction contracting.