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DC Tax Lien Sales: Certificates at 18%, a One-Year Fuse

The DC format: a lien sale mislabeled for years

Start with the correction the dataset insists on: DC is a tax lien jurisdiction, not a redeemable deed jurisdiction. Under D.C. Code sections 47-1330 through 47-1385, the District sells tax liens at its annual real property tax sale, and the buyer receives a certificate of sale. No deed changes hands at the sale. A deed becomes possible only later, after the purchaser forecloses the owner's right of redemption in Superior Court. Guides that describe buying DC property at the tax sale are describing a system that does not exist.

Bidding is premium bid-up: bidders compete on price above the amount owed, and the winning premium becomes surplus. That mechanic interacts with DC's interest rule in the most important way in this guide — interest is earned only on the certificate amount, exclusive of surplus. The premium you pay to win earns nothing, is not part of the interest base, and is at risk for the life of the certificate. DC therefore rewards the opposite instinct from a price auction: the disciplined bid is the one that wins with the least surplus, because every surplus dollar is dead money earning 0% while the certificate dollars earn 18%.

The interest math: 18% on the certificate, 0% on the surplus

Under sections 47-1306 and 47-1361, interest runs at 18% per year — 1.5% per month or part thereof — on the amount in the certificate of sale. The 'or part thereof' matters: a partial month counts as a full month, so redemption timing rounds in the certificate holder's favor.

Worked example, using the dataset's rate and its surplus rule: you win a lien with a certificate amount of $6,000, and competition pushes your total payment to $7,500 — $6,000 of certificate plus $1,500 of surplus premium. The owner redeems exactly 8 months after the sale. Interest is $6,000 x 1.5% x 8 months = $720, calculated on the certificate amount only; the $1,500 surplus earns no interest at all. Redemption repays the amounts the statute provides — anchored on your $6,000 plus $720 of interest — not 18% on the $7,500 you actually paid. Run the yield on your real cash and the lesson is immediate: $720 on $7,500 over 8 months is a very different return from the headline 18%, and the gap is entirely the surplus. In DC, overbidding does not just reduce your return in the abstract — the statute structurally excludes the overbid from earning anything.

Six months to file, one year or void

DC certificates run on the tightest fuse in this guide series. The owner may redeem at any time until the foreclosure judgment is final. The purchaser may file to foreclose the right of redemption after 6 months from the sale under section 47-1360 — the window commonly described as DC's 6-month redemption period — and must file within 1 year, or the certificate is void under section 47-1370.

Void means void: a holder who calendars casually and misses the one-year filing deadline does not hold a late claim or a diminished one — the certificate is extinguished. The practical system for a DC holder is therefore built at purchase: diary the 6-month eligibility date and the 1-year deadline the day you buy, budget the Superior Court foreclosure as a known cost of the strategy rather than an optional escalation, and treat redemption monitoring as an active task, because an owner can redeem at any point until the judgment is final and end the play. Compare this with lien states that give holders years of passive runway: DC pays a high headline rate and demands professional file management in exchange.

Timing, venue, and the over-the-counter shelf

DC's sale is an annual real property tax sale, typically held in July. The dataset records that the 2026 sale was postponed from July 15 to August 19, 2026 — a useful reminder that even the annual date is the District's to move, and the Office of Tax and Revenue's current notice, not last year's calendar, controls. The sale is mostly in-person, with registration through MyTax.DC.gov.

Liens that are bid off at the annual sale — struck to the District for lack of a buyer — are afterward sold over the counter through MyTax.DC.gov, per the dataset's platform record. That over-the-counter shelf is the second DC channel: no auction-day premium competition, worked parcel by parcel after the sale. The same rules still apply with full force — 18% on the certificate amount only, and the same foreclosure deadlines measured under the statute — so an over-the-counter purchase needs the same diary discipline as an auction purchase from day one. LienToDeed tracks the annual sale and over-the-counter availability as the District publishes them; tiers are Free, Bidder at $49/mo, and Pro at $99/mo.

Sale-day walkthrough

Before the sale: register through MyTax.DC.gov as the District requires, pull the published sale list, and for each target parcel record the certificate amount separately from any premium you might consider paying — underwrite the two piles of money differently, because the statute does. Set a surplus ceiling per parcel in advance; a parcel that only makes sense with a large premium is usually a parcel to let go, since the premium earns nothing and inflates your true basis. Research the collateral as you would in any lien state: if redemption never comes, your exit is a Superior Court foreclosure and a deed, so the property behind the certificate has to justify legal costs on a small balance.

At the sale: bid your list, log the certificate amount and surplus separately for every win, and start the clock file immediately. After a win: calendar month six and the one-year void deadline, monitor redemption, and prepare the foreclosure filing well before the deadline rather than against it. If the owner redeems, you are repaid under the statute with 18% interest on the certificate amount. If not, the foreclosure — timely filed — is what converts paper into a deed.

The traps specific to DC

The first trap is the mislabel: arriving with a deed strategy in a certificate market. The second is surplus blindness — quoting 18% returns on total cash paid when the statute pays 18% only on the certificate amount. The third, and the only unforgivable one, is the void deadline: no other state in this series extinguishes the certificate at one year for failure to file. Holders lose DC certificates to calendars, not to owners.

The fourth trap is small-balance economics: foreclosure in Superior Court costs what it costs regardless of the lien size, so a small certificate on marginal property can have a deed path that never pays. The fifth is the universal one: certificates are only as good as the collateral and the owner's likelihood of redeeming, property behind a tax lien is as-is with no inspection available to you as a lien holder, and a certificate on a parcel not worth foreclosing is a donation to the District's collections process. DC pays professionals 18% for precision. It charges everyone else tuition.