The designation follows the property, not the owner
DOB designates a building, not a person. The vacant status and the Class 3 tax class attach to the square, suffix and lot, and they stay on the record when the deed changes hands. A buyer who closes on a Class 3 rowhouse in June inherits the Class 3 rate for the next half until DOB confirms the building is occupied or an exemption under D.C. Code §42-3131.06a applies to them. Experienced DC investors know this and check the DOB dashboard before they write an offer. Owner occupant buyers usually find out from their lender or title company, and it tends to land in the middle of the transaction as a surprise. Either way, the tax status is going to come up, so it is better if you raise it first.
How the bill hits the closing statement
At settlement the title company prorates the current half year's real property tax between you and the buyer based on the closing date, and it uses the bill exactly as OTR shows it. If OTR shows Class 3, the proration runs on the Class 3 number. On a $500,000 assessment that half is $12,500 instead of the roughly $2,125 an occupied home would owe, and you are charged for your share of it as a seller credit to the buyer. Any half that is already past due is paid in full out of your proceeds before you see a dollar. The rate mechanics are in our article on how the DC vacant property tax is calculated.
One detail that costs sellers real money: if you get a period corrected after closing, OTR posts the refund or credit to the property's account, and once the deed records that account belongs to the buyer. If you expect a correction to land after settlement, put the refund split in the contract or in a separate agreement at closing. Title companies will not chase it for you after the file is closed.
Unpaid halves and the tax sale
Owners who dispute the designation sometimes stop paying the bill while they argue. That is the single worst thing you can do before a sale. OTR sells liens on delinquent real property taxes at its annual tax sale, and a sold lien has to be redeemed, with the purchaser's interest and costs, before any title company will insure the buyer. Redemption is not instant. It takes a payoff figure from OTR, a payment, and a release, and each step can add days or weeks to a closing that was supposed to happen Friday. Pay the bill on time, sell the building, and take the overpayment back as a refund once the period is corrected.
The for sale exemption is short and specific
The District does allow a vacant building to be exempted from the Class 3 rate while it is actively for sale, but the window is half a tax year for a single family home and the clock runs from the date it was first listed, not from the date you claimed the exemption. DOB wants proof of a real listing: an MLS sheet, a listing agreement, marketing evidence. A yard sign does not count. A house that has been sitting on the market for eight months has already used its window. The categories, time limits and documentation are in our exemption form guide, and the mistakes that get these filings denied are in DOB denied your exemption.
What a buyer will ask for
Expect the buyer's agent, lender or attorney to ask for the following, and have it ready before the listing goes live so nobody discovers it at the worst moment:
- The current OTR bill showing the tax class and whether both halves are paid.
- The DOB dashboard record for the address, including the designation date and any open violations or notices.
- Vacant Building Registration status under D.C. Code §42-3131.05, and whether registration fees are current.
- Any exemption on file and how much of its time limit is left, since the buyer cannot restart a clock you already used.
Investors discount for all of this. They will estimate the Class 3 bills between closing and the day they can get the building reclassified, and they will take that number off the offer. The more of it you have already resolved, the less they have to discount.
After closing: the buyer's path back to Class 1
The buyer's route off the vacant rate is occupancy. Once someone lives there, DOB can confirm occupied status through an inspection and OTR moves the class for the following half. Two things trip new owners up. First, OTR's owner of record lags the deed recording, so the bill and any correspondence may keep going to you for a while. Second, the mailing address on the account often still points to the old owner or to the property itself, which means notices about the classification go somewhere nobody reads. Buyers should log in to MyTax.DC.gov the week after recording and fix both. The full set of routes back to Class 1 is in our Class 3 vs Class 4 guide.
A seller's checklist
- Pull the OTR bill and the DOB record for the address today, not after you have a contract.
- Pay any past due half now, so there is nothing to redeem at closing.
- Find out whether the current period can still be corrected before settlement. On a $500,000 assessment that is worth over $10,000 per half, which is usually more than the commission savings people fight over.
- Write the handling of any post closing refund into the contract.
- Update the mailing address at OTR so the final bills and any notices reach you.
- Disclose the designation to the buyer in writing. It is public record anyway.
If you are planning a sale and the building is on the Class 3 or Class 4 rate, send us the address. We'll pull the OTR bill and the DOB record for free and tell you which periods can still be corrected before you close. If we take it on, our fee is a flat $1,500 per tax period corrected, paid up front. If OTR does not correct a period, the $1,500 for that period is refunded in full. The form below starts the review.