The 2026 Maryland Rules a Fort Washington Seller Should Know (Part 14 of 30: The Fort Washington Files)
This is Part 14 of The Fort Washington Files from Donnell Williams Jr. and DMV Prime Properties, a thirty-part series built entirely on what 689 Fort Washington listings actually did in 2026.
Most of this series is about price. This part is about paperwork, because three Maryland rules reach into a Fort Washington sale in ways that catch owners off guard, and two of them have deadlines attached.
One important note before any of it. Donnell is a broker, not a tax advisor, an attorney or a lender. Everything below points a reader toward the office that actually administers the rule, and every reader should confirm their own situation with that office or with a qualified professional before acting on it.
Why property tax belongs in a seller conversation at all
The median annual property tax across the 361 closed Fort Washington sales in Donnell's Bright MLS export this year was $5,485.
That figure moves considerably by neighborhood. Tantallon North closed 5 sales at a median tax of $9,411 on a median 3,330 square feet above grade. Tantallon on the Potomac closed 25 at a median of $7,043. Devon Hills Condo closed 7 at a median of $2,830. Rosedale Estates closed 8 at a median of $4,266. Those are all Fort Washington, all in the same year.
Buyers see that line. It sits inside their monthly payment alongside a 30-year fixed rate that Freddie Mac put at 6.95 percent for the week ending September 17, 2026, up from 6.76 percent the prior week and up from 6.26 percent a year earlier. A tax line that looks wrong or unexplained is friction at exactly the moment a seller cannot afford it.
Rule one: the Homestead Tax Credit is not automatic
The Maryland Homestead Tax Credit limits how much the taxable assessed value of an owner-occupied principal residence can increase in a single year. Assessments can rise faster than the cap. The credit is what keeps the taxable portion from rising with them.
The part that costs Maryland homeowners money is that the credit requires a one-time application to the Maryland State Department of Assessments and Taxation. It is not applied automatically when someone buys a house. An owner who never filed the application does not have it, and many owners assume they do.
For anyone buying a Fort Washington home this year, that application is a first-year task, not a someday task. For anyone selling, it is worth confirming the property's status before the assessment record becomes part of the conversation with a buyer.
The 3 percent figure, and the caveat that goes with it
Per SDAT's published County and Municipal Homestead Credit Percentages table effective July 1, 2024, the annual cap is 10 percent at the State of Maryland level, 3 percent in Prince George's County, and 7 percent in Charles County.
Here is the caveat, and it is not a formality. Prince George's County's own finance page describes the credit differently than SDAT's table does. Because of that discrepancy, no Fort Washington homeowner should plan around the 3 percent figure without confirming the current percentage directly with SDAT for their specific property and tax year.
SDAT can be reached at sdat.homestead@maryland.gov, at 1-866-650-8783, or at 410-767-2165 in the Baltimore area. That is the office that administers the credit and maintains the application. Donnell is a broker rather than a tax advisor, and this is a call a homeowner should make themselves.
The Homestead Tax Credit follows the owner-occupancy status of a property, not the seller. A credit that has been limiting one owner's taxable assessment does not simply transfer to a buyer as an ongoing benefit, and a buyer who plans their monthly budget off the seller's current tax line may find the number they inherit is not the number they saw.
That is a conversation worth having early rather than during a financing contingency. It is also a conversation the buyer's lender and SDAT are better positioned to resolve than either agent, and Donnell tells sellers so plainly.
It matters more in some Fort Washington neighborhoods than others, simply because the dollars are larger. A $9,411 median tax line in Tantallon North leaves more room for a surprise than a $2,830 median in Devon Hills Condo does. The rule is the same in both places. The size of the number it applies to is not.
Rule two: the front foot benefit and the deferred water and sewer disclosure
The second rule is the one that produces the most confused phone calls in this market.
WSSC Water administers a front foot benefit charge in its Prince George's County service area. The charge repays the cost of running water and sewer lines to a lot. It is billed annually for a defined term and it attaches to the property rather than to the owner, which means it continues after a sale for whatever remains of its term.
Maryland requires disclosure of private deferred water and sewer assessments on residential transfers, including the amount of the assessment and the remaining term. That is a disclosure obligation on the seller side, not an optional courtesy.
Donnell will not print a dollar amount or a term length here, because they vary property to property and any figure in a blog post would be wrong for most readers. The right source is the actual billing record for the specific property. A seller preparing to list should pull it before the listing goes live rather than after a buyer's title work surfaces it.
Why timing matters on that disclosure
Fort Washington's 2026 closed sales carried a median of 18 days on market, and the never-cut group among them, 257 of 361 sales, carried a median of just 11 days and sold at exactly 100 percent of original list.
That is a fast window. A seller who has to go hunting for an assessment record mid-contract is spending days they do not have, and this series has documented what days cost. Sales that closed in 15 to 30 days sold below original list 42.6 percent of the time. Sales that took 31 to 60 days sold below original 72.5 percent of the time.
Assembling disclosure documents before listing is not glamorous. It is one of the cheapest things a seller can do to stay in the fast column.
Rule three: the Homeowners' Property Tax Credit
The third rule is a different program with a similar name, and the two get confused constantly.
The Homeowners' Property Tax Credit is income-based rather than assessment-based. It sets a limit on property tax relative to a household's income, and it has its own eligibility tests:
- Combined gross household income cannot exceed $60,000
- Net worth, excluding the home itself and qualified retirement accounts, must be under $200,000
- The filing deadline is October 1 each year, though SDAT advises filing by April 15
The net worth test is the one most people misread. The value of the home being lived in does not count against the $200,000 figure, and neither do qualified retirement accounts. An owner who assumes they are disqualified because of equity in the house may be looking at the wrong calculation.
Who this reaches in Fort Washington
The median year built across all 361 Fort Washington closings this year was 1976. That is a housing stock with a lot of long-tenured owners in it, and long-tenured owners on fixed incomes are exactly who the Homeowners' credit was designed for.
With a median annual property tax of $5,485 across closed sales this year, and neighborhood medians running from $2,830 in Devon Hills Condo up to $9,411 in Tantallon North, the amount at stake for a qualifying household is not trivial.
Whether a specific household qualifies, and what the credit would be worth to them, is a question for SDAT and for a tax professional. Donnell is a broker and does not make that determination. He does make sure sellers know the program exists, because a homeowner weighing whether they can afford to stay in a house should know every part of the math before deciding to sell.
What a seller should actually do, in order
Three practical steps, none of which require a real estate license:
First, confirm the Homestead Tax Credit status on the property with SDAT directly, using the contacts above, and confirm the current cap percentage for Prince George's County rather than relying on any published figure including the one in this post.
Second, pull the deferred water and sewer assessment record for the property, including the remaining term, before the listing goes live. Maryland requires that disclosure on residential transfers, and having it in hand ahead of time keeps a contract moving.
Third, if a household's income and net worth are anywhere near the Homeowners' Property Tax Credit thresholds, file before October 1 and ideally well ahead of it, and ask SDAT or a tax professional whether it changes the picture.
Why paperwork sits in a pricing series
The spine of The Fort Washington Files is that 144 of 505 Fort Washington listings left the market this year without selling, a 28.5 percent failure rate. Those listings carried a median original list price of $534,748 against $479,900 for the closed group, on homes that were actually larger at a median 1,952 square feet above grade versus 1,716.
Paperwork did not cause that. Price did. But a sale that is already priced correctly can still stall on a disclosure nobody prepared for, and a seller who loses two weeks mid-contract in a market where the median closing took 18 days has given up ground they did not need to give up.
Get the documents together before the sign goes in the yard
A Fort Washington seller who walks into a listing appointment with the assessment record, the deferred water and sewer detail and a clear tax picture is a seller whose contract is less likely to wobble. Donnell Williams Jr. is the broker-owner of DMV Prime Properties at 12815 Old Fort Road in Fort Washington, and he builds that checklist with every seller before the listing goes live. He is a broker rather than a tax advisor, attorney or lender, so he will also tell a seller exactly which office or professional to call for the parts that are not his to answer. Call 301.818.0313 or email donnell@dmvprimerealty.com to start the prep.
Part 15 of The Fort Washington Files moves into the neighborhoods, starting with Tantallon on the Potomac, the single most active subdivision in the zip code this year.
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