Decision tools
Use the right tool for the decision in front of you.
These calculators organize assumptions and support bid discipline. They do not predict actual returns or replace official verification and parcel-level due diligence.
Where should I invest?
What can I bid?
What could this earn?
Tax Lien ROI Calculator
Estimate an illustrative return after your expected holding period and costs.
Open tool →Interest Calculator
Calculate illustrative daily and accrued interest from your inputs.
Open tool →Bid-Down Yield Calculator
See how the rate left after bidding changes an illustrative return.
Open tool →Premium Bid Break-Even
Set a cautious premium limit after your target return and costs.
Open tool →Penalty vs. Interest
Compare a flat-penalty assumption with interest that accrues over time.
Open tool →Portfolio Projector
Model how multiple certificate assumptions affect projected portfolio results.
Open tool →When does it mature?
What will this actually cost me?
Quiet Title Cost Calculator
Estimate what clearing title on a tax deed purchase costs, by state and contest risk.
Open tool →Free Property Score Lookup
Check a specific tracked parcel Research Score grade instantly, no signup required.
Open tool →Tax Sale Overages Search
Search verified county tax sale surplus funds records by state, county and claim deadline.
Open tool →