The amount owed turns on one calculation that surprises most heirs by how small it can be: taxable gain equals sale proceeds minus stepped up basis minus selling costs. Inherited property takes a stepped up basis under the rule for property acquired from a decedent, meaning the heir starting value is tied to the property value at inheritance rather than to what the original owner paid decades earlier (Internal Revenue Code section 1014). A Vienna house bought long ago for a modest sum and inherited at a value near its sale price can therefore produce little or no gain on sale, even where the family memory says the house appreciated enormously. Who owes any tax on that gain is the seller of record, either the estate that sells before distribution or the heir who took title and sells afterward, and the documented Virginia grantor tax applies to the deed when the sale records (Code of Virginia, 2026).
This report is deliberately narrower than the companion question in this series about which taxes apply to an inherited property sale. That question catalogues the taxes. This question performs the arithmetic. It uses the federal selling home guidance for the surrounding rules, including Publication 523 and the principal residence exclusion with its 250,000 dollar and 500,000 dollar figures and its 2 of 5 year ownership and use tests (Internal Revenue Service, 2025; Internal Revenue Service, 2026). It also states the exclusion limit that heirs most often misunderstand: the exclusion belongs to an owner occupant selling a principal residence that meets the tests, and an heir selling an inherited house does not inherit that exclusion along with the house, because the heir use of the property is not the decedent use and the tests are applied to the seller (Internal Revenue Service, 2026). The stepped up basis, not the exclusion, is the provision that does the work for heirs.

Key Findings
- Inherited property takes a stepped up basis, so gain is measured from value at inheritance rather than from the original owner historic cost (Internal Revenue Code section 1014).
- The amount mechanics are proceeds minus stepped up basis minus selling costs, and only a positive remainder is gain for the seller of record (Internal Revenue Service, 2025).
- The federal principal residence exclusion of 250,000 dollars or 500,000 dollars carries 2 of 5 year ownership and use tests that belong to an owner occupant seller and do not transfer to an heir as an heirloom (Internal Revenue Service, 2026).
- Virginia imposes an additional grantor tax on the deed under the documented state provision, separate from any income tax on gain (Code of Virginia, 2026).
- Selling costs change the tax amount, so avoiding commission of 47,500 dollars to 57,000 dollars on a 950,000 dollar sale raises proceeds and must be counted in the illustration honestly (National Association of Realtors, 2025).
- County assessment records help document value around the inheritance date, supporting the basis figure an heir later relies on (Fairfax County Department of Tax Administration, 2026).
How does stepped up basis set the starting number in Vienna?
Basis is the measuring stick tax law uses for gain, and inheritance replaces the measuring stick. Under the stepped up basis rule for property acquired from a decedent, the heir basis is reset at inheritance (Internal Revenue Code section 1014). The practical effect in Vienna is large because the housing stock is old and ownership tenures are long. A rambler near the W&OD Trail corridor bought in an era of very different prices, held for decades while new construction rose to 1,500,000 dollars to 2,600,000 dollars nearby, enters an heir hands with a basis reflecting the inheritance era market rather than the purchase era market (Redfin, 2026). Appreciation that occurred during the decedent lifetime is therefore not the heir gain. Only movement after inheritance, plus the effect of selling costs, enters the heir calculation.
Documenting that starting value is work an heir should do at inheritance, not at sale. County assessment and land value records provide a contemporaneous public record for the parcel (Fairfax County Department of Tax Administration, 2026). Sold evidence for the ZIP around the same period provides market corroboration (Redfin, 2026). The deed and estate papers that put title where it now sits sit in the county land records chain (Fairfax County Circuit Court Clerk, 2026). None of those records, by itself, is presented here as a tax filing, and heirs need a tax adviser to fix the basis figure for a return. What this report can say, from its documented sources, is the direction of the rule and the records that support it: basis steps up at inheritance, and Vienna public records are unusually complete for proving what the property was in that period (Internal Revenue Code section 1014; Fairfax County Department of Tax Administration, 2026).
Contrast the heir position with the position the same person would occupy selling their own home. An owner occupant who meets the ownership and use tests may exclude 250,000 dollars of gain, or 500,000 dollars for a married couple, under the federal rule, subject to the once every two years limit (Internal Revenue Service, 2026). Publication 523 organises the selling home rules, worksheets, and reporting posture an ordinary seller follows (Internal Revenue Service, 2025). An heir who never lived in the inherited house cannot borrow the decedent occupancy to satisfy the use test, and an heir who did live there must test their own position on their own facts with an adviser. The distinction prevents the most expensive misunderstanding in inherited sales: assuming a large exclusion will erase a gain that the stepped up basis had already reduced, or assuming no gain can exist because the house was inherited. Both assumptions skip the arithmetic this report insists on doing.
What does a labelled Vienna illustration show about the amount?
Work an illustration with round, labelled assumptions drawn from the Vienna figures in this series, understanding that it shows mechanics and not any family actual bill. Suppose an inherited older home in 22180 sells for 950,000 dollars, the standard illustration price used across these reports. Suppose the stepped up basis documented at inheritance was 900,000 dollars. Suppose selling through a direct route keeps selling costs to the documented deed and settlement items rather than a full listed cost stack, and call selling costs 10,000 dollars for illustration. Gain equals 950,000 dollars minus 900,000 dollars minus 10,000 dollars, which is 40,000 dollars. That 40,000 dollars, not the difference between 950,000 dollars and a purchase price from decades ago, is the figure the seller of record position starts from (Internal Revenue Code section 1014; Internal Revenue Service, 2025).
Change one assumption and watch the mechanics, because that sensitivity is the real lesson. If the same house is listed and pays commission at 5 to 6 percent, selling costs rise by 47,500 dollars to 57,000 dollars before seller closing costs of 1 to 2 percent, and state closing cost patterns confirm those layers are real (National Association of Realtors, 2025; Bankrate, 2025). Higher selling costs reduce gain on paper while also reducing cash in hand by far more, a trade no heir should make for tax reasons alone. If instead the house is held for years after inheritance while Vienna values move, the post inheritance appreciation grows the gain, because the stepped up basis stays fixed at the inheritance value while proceeds rise. If the house sells promptly after inheritance near its basis value, gain can be near zero and can even be a loss figure on the same formula where costs exceed the small post inheritance movement. Prompt sale is therefore a tax posture as well as a carrying cost posture, a point heirs weighing the 2,500 dollar monthly hold cost of a vacant Vienna home should weigh together (Frontier Capitals, 2026).
Identify the taxpayer in each structure, because illustrations often skip it. If the estate sells before title passes, the seller of record is the estate acting through its representative, and any gain position sits at that level for adviser analysis. If title has passed and the heir sells, the seller of record is the heir. The formula does not change. The name on the deed in the land records is the practical test of which structure the family is in, and that record can be checked before any tax conversation begins (Fairfax County Circuit Court Clerk, 2026). The Virginia grantor tax sits outside the gain formula entirely: it is an additional tax paid by the grantor on the deed transaction under the state provision, documented as a cost of conveying rather than as a tax on profit (Code of Virginia, 2026). Heirs should therefore budget it as a transaction item while treating income tax on gain as the separate, basis driven calculation above. The catalogue companion is the report on what taxes apply when selling an inherited property in Vienna, and the general inherited sale route is set out in the report on how an inherited house in Vienna can be sold.

What can this report not tell an heir about the amount owed?
It cannot state a rate, a bracket, or a final bill, because its source pool documents the gain mechanics and the surrounding rules without supplying a personal tax computation, and it invents none. The actual amount for a specific heir depends on facts no market report holds: the documented basis figure, the seller of record, the heir wider tax position, and adviser application of the selling home guidance in Publication 523 and the exclusion topic (Internal Revenue Service, 2025; Internal Revenue Service, 2026). Any heir who receives a confident dollar bill from a buyer, an agent, or a website without those facts should treat the confidence as marketing. Buyers in particular have no standing in the heir tax position, and a direct buyer price should be judged on proceeds and certainty, with tax taken to a tax adviser.
The report also cannot extend the exclusion by sympathy. The 250,000 dollar and 500,000 dollar figures are prominent in the federal guidance, and heirs naturally reach for them (Internal Revenue Service, 2026). The documented tests are ownership and use over the 2 of 5 year window by the seller, and inheritance alone satisfies neither for a non occupant heir. Where an heir did occupy the house as a principal residence for the required period, the analysis changes on that heir own facts, which is again an adviser question with the guidance open. Precision here protects heirs twice: it stops them overpaying on a gain the basis rule already shrank, and it stops them under providing for a gain that genuinely accrued after inheritance while the house sat through a rising Vienna market where the broad median sits near 1,400,000 dollars (Redfin, 2026).
One more limit belongs in plain view. The sample and market figures used for context, 61 older homes with 17 builder acquisitions and older homes at 34.4 percent of new build prices, describe a market, not a valuation of any inherited house (Frontier Capitals, 2026). Basis documentation is property specific. An heir should assemble the assessment record, the inheritance era sold evidence, and the estate papers for the single parcel on Maple Avenue, Nutley Street, or wherever the house stands, and hand that file to the adviser who will stand behind the number (Fairfax County Department of Tax Administration, 2026; Fairfax County Circuit Court Clerk, 2026).
What does a direct sale offer an heir counting the tax amount?
Frontier Capitals sources off market deals to builders and does not build itself, and it offers no tax advice. Its relevance to this question is proceeds accuracy: a direct sale produces a known price on a known date close to the inheritance value in many cases, which makes the gain illustration stop being hypothetical sooner, and it avoids cost layers that complicate the selling costs line without adding cash.
The five benefits, with their tax adjacent effects stated carefully, are these. Privacy: zero showings and zero open houses for a house that may still hold a family belongings and grief. Flexible closing: 7 to 21 days for a prompt sale near basis value, or months out with a leaseback where the family needs time, against 60 to 120 plus days listed during which post inheritance appreciation and carrying costs both accrue. No commissions: the typical 5 to 6 percent, 47,500 dollars to 57,000 dollars on a 950,000 dollar sale, is not spent, which raises cash proceeds while also raising the gain figure relative to a high cost sale, a trade that favours the heir in cash terms every time (National Association of Realtors, 2025). No seller closing costs: a further 1 to 2 percent preserved, combined 57,000 dollars to 76,000 dollars retained. No inspections or repairs: no 10,000 dollars to 30,000 dollars credit, and no repair spend that heirs sometimes mistakenly assume will be fully reflected in basis or price.
Heirs who want the proceeds side priced can call 401-219-4207 or email [email protected], and should take the resulting figure, the documented basis, and the closing statement to their own tax adviser for the amount owed. Contact details also appear on the contact page.

Methodology and limitations
Amount mechanics in this report rest only on documented sources: stepped up basis for property acquired from a decedent (Internal Revenue Code section 1014), Publication 523 for selling a home (Internal Revenue Service, 2025), the federal exclusion topic with its dollar figures and 2 of 5 year tests (Internal Revenue Service, 2026), and the Virginia grantor tax provision for the deed (Code of Virginia, 2026). No tax rate, bracket, filing deadline, or personal computation is stated, because none is documented in the pool for an individual heir, and the numerical illustration is labelled as an illustration with assumed basis and cost figures. Nothing here is tax advice.
Market and record context comes from the Vienna sample (Frontier Capitals, 2026), sold and new construction data (Redfin, 2026), commission evidence (National Association of Realtors, 2025), state closing cost patterns (Bankrate, 2025), county assessment records (Fairfax County Department of Tax Administration, 2026), and land records (Fairfax County Circuit Court Clerk, 2026). An heir actual basis, seller of record status, and exclusion position must be confirmed with a qualified adviser on the estate documents.
Conclusion
Tax owed on an inherited Vienna house is the output of a short formula applied to the right seller: proceeds, minus a basis stepped up at inheritance, minus selling costs, with the Virginia grantor tax handled as a deed item beside that calculation (Internal Revenue Code section 1014; Code of Virginia, 2026). For many Vienna heirs the stepped up basis does the heavy lifting, shrinking decades of appreciation out of the gain, provided the basis is documented from county and market records while the evidence is fresh (Fairfax County Department of Tax Administration, 2026). Sell promptly, keep the closing statement, and let an adviser convert the documented gain into an amount owed on the heir actual facts.
If the gain is measured from the value on the day the house became yours, should the sale not happen close enough to that day for the number to stay small?
Frequently Asked Questions
Is tax owed on the full sale price of an inherited Vienna house?
No, on the documented mechanics. Gain is proceeds minus stepped up basis minus selling costs, so only the remainder after that subtraction is gain for the seller of record (Internal Revenue Code section 1014; Internal Revenue Service, 2025). The full price is never the gain figure in the sources used here.
Does the heir get the 250,000 dollar or 500,000 dollar exclusion?
Not by inheritance alone. The exclusion carries 2 of 5 year ownership and use tests for a principal residence seller (Internal Revenue Service, 2026). An heir who personally meets those tests on their own facts should have an adviser apply them; a non occupant heir cannot borrow the decedent use.
Who owes the tax if the estate sells before distribution?
The seller of record principle points to the estate where the estate sells, and to the heir where title has passed and the heir sells. The deed position in the land records shows which structure applies (Fairfax County Circuit Court Clerk, 2026). An adviser should confirm the filing posture for the estate or heir.
What is the Virginia grantor tax in this calculation?
It is an additional tax paid by the grantor on the deed under the documented Virginia provision, treated as a transaction item rather than as part of the gain formula (Code of Virginia, 2026). Heirs should budget it at closing alongside other settlement items.
Does avoiding commission increase the tax owed?
Avoiding commission raises both cash proceeds and the arithmetic gain, because selling costs are smaller (National Association of Realtors, 2025; Internal Revenue Service, 2025). The heir keeps far more cash than any additional tax on the difference, so the trade favours the direct route in cash terms.
How should an heir document stepped up basis?
Assemble inheritance era evidence while it is accessible: county assessment and land value records, sold evidence for the ZIP, and the estate and deed papers (Fairfax County Department of Tax Administration, 2026; Redfin, 2026). Hand that file to a tax adviser rather than reconstructing it years later.
Sources
- Frontier Capitals, 2026. 189-neighborhood builder-acquisition sample: 61 homes sampled in 22180, 17 acquired by builders, average older-home price 34.4 percent of new build. Market data.
- National Association of Realtors, 2025. Typical seller commission structures, Washington-Arlington-Alexandria market. Industry report.
- Internal Revenue Code section 1014, basis of property acquired from a decedent (stepped-up basis). Government data.
- Internal Revenue Service, 2026. Topic 701, sale of your home: $250,000/$500,000 exclusion, 2-of-5-year ownership and use tests, once-every-two-years limit. Government data.
- Internal Revenue Service, 2025. Publication 523: Selling Your Home. Government data.
- Code of Virginia, 2026. Va. Code ยง 58.1-802, additional tax paid by grantor. Official record.
- Fairfax County Department of Tax Administration, 2026. Real estate assessments and permit records, Vienna VA. Official record.
- Fairfax County Circuit Court Clerk, 2026. Land records and deed history, Fairfax County. Official record.
- Redfin, 2026. Recently sold homes and new construction, ZIP code 22180, Vienna VA. Market data.
- Bankrate, 2025. Average closing costs by state. Market data.