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Auction underwriting tool

Foreclosure Auction Max-Bid Calculator

Set a disciplined auction ceiling before the bidding starts. Model the buyer premium, likely post-auction costs, rehab, and your target profit to see the maximum hammer bid and estimated cash required.

Bid from a cost stack

Reserve known costs and profit before you decide how high to bid.

Hammer bid

Auction ceiling

Premium

On top of bid

Acquisition

Bid + known costs

All-in cash

Before resale

Auction terms and title risk are local. Treat the result as a conservative planning estimate, not a green light to bid.

Calculate your maximum hammer bid

Results update in your browser as you type. Start with an ARV, then add only the costs you have researched.

Auction assumptions

Enter your conservative exit value and the costs that survive the auction. The calculator reserves your target profit before it sets a hammer-bid ceiling.

Value and return

Use a conservative resale estimate, not the listing price.

The profit you want left after modeled costs.

Check the auction terms; this is charged on top of the hammer bid.

Post-auction costs

Only include obligations you expect to survive the sale.

Include insurance, utilities, financing, and carry through your exit.

Manual-input estimate only. Foreclosure priority, redemption rights, title issues, occupancy, deposits, and auction fees vary by state, county, and sale. Confirm terms and title with qualified local professionals before bidding.

Auction bid playbook

Build the bid backward from your exit

A foreclosure auction bid is only the beginning of your cost. Underwrite the exit first, reserve a realistic profit, then back into the hammer bid after the expenses that could still be yours after the sale.

1. Set a conservative ARV

Use recent, truly comparable sales and allow for condition, time on market, and local demand. A generous ARV produces a generous bid.

2. Price the auction terms

Confirm the buyer premium, deposit, payment deadline, occupancy status, and sale-specific terms. Those rules can materially change the cash you need.

3. Protect downside

Include a practical allowance for title, taxes, legal work, holding, and rehabilitation. If the result is thin after those costs, lower the bid or pass.

FAQ

Foreclosure auction bid calculator FAQs

Common questions about setting a maximum auction bid before you raise your paddle.

How do I calculate my maximum foreclosure auction bid?

Start with a conservative after-repair value, then subtract rehab, holding costs, closing and resale costs, any obligations that may survive the sale, and the profit you need. Because a buyer premium is charged as a percentage of the hammer bid, divide the remaining amount by one plus that premium rate. This calculator does that calculation for you.

Is the buyer premium included in the maximum bid?

Yes. The calculator treats the buyer premium as an extra cost on top of the hammer bid and lowers the maximum hammer bid accordingly. Always confirm the premium and any additional auction fees in the sale terms before you bid.

Which foreclosure auction costs should I estimate?

At minimum, estimate rehab, holding costs, buyer premium, closing costs, and the profit you require. Depending on the foreclosure type and local rules, also research property taxes, HOA balances, liens, title work, legal expenses, eviction, occupancy, insurance, and any redemption or deposit requirements.

Can I rely on this calculator for lien priority or legal advice?

No. This is a planning tool, not a title report, legal opinion, appraisal, or auction rulebook. Lien priority and foreclosure obligations can vary substantially by state, county, sale type, and individual property. Verify the sale terms and title with qualified local professionals before making a binding bid.

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