Remodel Budget Calculator
A realistic California cost range for your kitchen, bath, full remodel, or ADU, by scope and complexity, with a real contract breakdown.
Financing Planner
Your likely rate by credit, your monthly payment, whether your equity supports it, and your debt-to-income. Not just a payment.
ADU Rental Income & ROI
What your ADU will rent for, what it costs to run, the property tax it adds, and how many years until it pays for itself.
Bid Red-Flag Checker
Check your contractor's bid against the 16 essentials a real California contract should have, and see exactly what is missing.
Not sure where to start? Get your project plan.
Answer five quick questions and get your exact next step, no pressure, no sales pitch.
Ready to go deeper?
The tools tell you the numbers. The guides and the advisory call tell you exactly how to use them, and how to hold a contractor to them.
Build Advisor CA provides independent, pre-construction advisory and educational guidance for California homeowners. We are not licensed contractors, architects, engineers, attorneys, or financial advisors, and nothing in these tools is a bid, a quote, a loan offer, or a project-specific estimate. All figures are directional and vary by scope, site conditions, city, finish selections, and market timing. Verify costs, permits, financing, and contracts with the appropriate licensed professional and your local building department before making decisions.