This is a static reference you can work down parcel by parcel. It pairs with the full due diligence guide and the max-bid calculator.
Title and liens
Confirm what you would actually be buying, and what would come with it.
- Pull the chain of title and run a lien search on the parcel. A tax deed clears most private liens, but government liens, municipal assessments, and IRS liens can survive.
- Budget for a quiet title action. A tax deed is not marketable title on its own, and clearing it takes months and money.
- Note whether the parcel is homestead. In Delawarethat changes the deed-sale opening bid, not just the owner's rights.
The parcel on the ground
Value the dirt before the auction, especially on cheap rural lots.
- Find the parcel on the county GIS and map its boundaries, size, and zoning against the listing.
- Confirm legal access. A landlocked parcel with no recorded easement is hard to use and harder to resell.
- Check flood zones and wetlands and whether the lot is buildable (perc test, utilities, setbacks).
- Look up who holds the mineral rights if that matters to your plan for the land.
The numbers
Make the math decide your bid, not the auction adrenaline.
- Price in the redemption timeline: The clock starts at court approval, not at the auction. After the sheriff returns the writ, the Superior Court inquires into the regularity of the proceedings and approves the sale or sets it aside. County offices schedule that confirmation about a month after the sale (New Castle and Sussex: the first Friday after the third Monday of the month following the sale), so the owner's window in practice closes about three months after the auction. Sussex County tells buyers that access to a monition property is not granted until the 60 days after confirmation have run. If the purchaser refuses payment or cannot be found in the county, the owner may pay the amount into the Court. After redeeming, the owner may petition to have the redemption noted on the judgment record and then holds the parcel subject to the same liens as before the sale, except as the sale proceeds reduced them.
- Set a defensible ceiling with the max-bid calculator, subtracting title-clearing and repair costs from resale value.
- Decide your walk-away number before the sale opens, and hold to it.
Sale-day logistics
Handle the paperwork and the money so a win does not slip away.
- Register on the county's auction platform ahead of the deadline and confirm which sale (certificate or deed) you are entering.
- Have the deposit ready: No statutory deposit. County rules require payment in full for tax sales. New Castle County: $10,000 in certified funds at registration to get a bidder card, and for a Vend Exp Monition (tax) sale 100 percent of the bid or $10,000, whichever is greater, due at the time of sale; cash is not accepted. Sussex County: a $4,000 deposit in cash or certified funds to register, and 100 percent of the monition purchase price due by 3:00 p.m. on the day of sale. Kent County: $2,000 in certified funds per property at the time of bidding, with the balance due to the Sheriff's Office by 2:00 p.m. that day.
- Line up cleared funds for the balance. Same day. New Castle County and Sussex County collect 100 percent on the day of a tax sale, and Kent County collects the balance by 2:00 p.m. on the sale day. New Castle County charges a $500 late fee against the deposit where final payment is late and may suspend the bidder.
- Verify the exact date, time, and format on your county page. These are set county by county and can change.
If a parcel fails any item you cannot price or fix, that is your answer. See the common mistakes this checklist is built to catch.
Built Sep 25, 2026 from Delaware statutes and our due-diligence guides.
Tax Sale Atlas publishes educational information about public tax sale processes. This is not legal, financial, or investment advice. Rules, dates, and fees change; confirm with the county office before you bid.