Market value is what the whole property, house and ground together, will sell for to the buyer who wants to live in it. Land value is what the ground alone is worth to the buyer who wants to build on it, calculated from what a finished new house on that site will sell for. In Vienna the two numbers describe the same address through different arithmetic, and for older homes they can sit surprisingly close together. The sample compiled for this report found older homes in 22180 changing hands at an average of 34.4 percent of the price of new construction on a comparable lot, so where a new build sells for 1,900,000 dollars, the older property on similar ground traded near 654,000 dollars (Frontier Capitals, 2026). Nearly two thirds of the new home’s price is, in effect, the land plus the cost and margin of building, which is why the lot under an ageing house can be worth most of what the whole property brings.
Confusing the two values causes the commonest pricing errors in this market. An owner who hears that lots sell for 700,000 dollars to 800,000 dollars may list a tired house at a finished home figure and wait in vain, while an owner who only hears household prices may accept a low offer for a property whose ground a builder would have priced higher. County records keep the two concepts separate in a way that helps: the assessment record carries a land value for the parcel as its own line, distinct from the value placed on the improvement standing on it (Fairfax County Department of Tax Administration, 2026). This report explains how each value is built, when each one governs a sale, and how a Vienna owner can obtain both before deciding anything.
Key Findings
- Market value prices house and lot as a single lived in product, while land value prices the lot alone as the foundation of a future new build (Frontier Capitals, 2026).
- Sampled older Vienna homes averaged 34.4 percent of new build prices on comparable lots, with the worked example putting an older home near 654,000 dollars against a 1,900,000 dollar new build (Frontier Capitals, 2026).
- The worked residual illustration places land value around 700,000 dollars to 800,000 dollars on that same new build price, before site preparation of 25,000 dollars to 40,000 dollars, labelled as a simplified illustration (Frontier Capitals, 2026).
- County assessment records state an assessed land value for each parcel separately from the building on it, giving owners a public starting point for the land figure (Fairfax County Department of Tax Administration, 2026).
- New construction in 22180 has sold between 1,500,000 dollars and 2,600,000 dollars, and that finished range is the input from which every land value in this report is derived (Redfin, 2026).
How is market value built for a Vienna home?
When a whole property changes hands as a home, its market value draws on sales of other complete properties rather than on land alone. An appraiser or agent looks for Vienna houses of similar age, size, condition and location that have recently sold, adjusts for differences, and lands on the figure a typical household buyer would pay for this house on this lot as a place to live. Across the whole of 22180 that market currently shows a median near 1,400,000 dollars, sale to list ratios of 99.8 percent to 101 percent, and average selling times of 25 to 34 days (Redfin, 2026). Those are whole market statistics dominated by finished and renovated homes, and they describe the product a buyer can move into without a project.
For the older stock the comparable set changes completely. A 1965 rambler is compared with other older homes, and the sample result, 34.4 percent of the new build price on comparable ground, is what emerges when those comparisons are averaged (Frontier Capitals, 2026). Condition moves a house around that average in both directions: a genuinely renovated colonial can climb far above it toward finished prices per square foot, while a functionally obsolete house falls below it toward the land figure. Automated estimates try to automate the comparable process and carry a nationwide median error of 1.9 percent for homes on the market and 7.5 percent for homes off it, one reason an estimate should be treated as a starting hint rather than a valuation (Zillow, 2026).
National price indexing provides the background tide for market value, tracking how house prices move across the country and the region over time (Federal Housing Finance Agency, 2026). That tide lifts and settles whole markets, but it does not decide the individual Vienna question, because two houses on the same street can have market values hundreds of thousands of dollars apart on condition alone. Market value is therefore a property specific figure wearing a market wide coat, and it belongs to the household transaction: mortgage, appraisal, inspection and all.
How is land value built for the same address?
Land value is built backwards, by residual. The builder estimates the finished sale price of the new house the lot can hold, subtracts the hard and soft cost of building it at 200 dollars to 300 dollars per square foot, subtracts a target margin of 15 percent to 20 percent, and subtracts site preparation of 25,000 dollars to 40,000 dollars; what remains is the most the lot can be worth while the project still works (Frontier Capitals, 2026). On the report’s worked illustration, a 1,900,000 dollar finished sale less roughly 800,000 dollars of construction cost and a margin near 20 percent leaves 700,000 dollars to 800,000 dollars of land value before site costs. The illustration is simplified and is not a promise, but its structure is the structure every serious land bid in Vienna follows.
Three lot characteristics move the residual. Position inside the Beltway comes first, because the finished buyer is paying for a finite commute and a finished lot cannot be created to meet demand. The school pyramid comes second, because parcels feeding the most sought after schools carry premiums that appear clearly in new build prices. Size comes third, with the sample minimum lot at 9,450 square feet giving builders the room their floor plans require, and larger parcels along streets near downtown Vienna or the W&OD Trail corridor supporting larger finished homes and therefore larger residuals (Frontier Capitals, 2026). Zoning classification and setback rules decide how much of that theoretical capacity is actually buildable on a given parcel, which is why the planning record is part of any land valuation (Fairfax County Department of Planning and Development, 2026).
Recorded evidence anchors the arithmetic. Builder purchases of Vienna lots close and record in the county land records, so the prices actually paid for ground, as opposed to asking prices for houses, can be read directly from deeds (Fairfax County Circuit Court Clerk, 2026). On streets where new construction sells at 450 dollars or more per square foot, the guide arithmetic shows a lot holding a future 4,000 square foot home represents about 1,800,000 dollars of finished product, which is the top line the residual then works down from (Frontier Capitals, 2026). Land value, in short, is a derived figure with a paper trail, not a guess and not a compliment.
When do the two values meet, and when do they pull apart?
They meet where the household buyer and the builder are bidding on effectively the same thing, which in Vienna happens at the older end of the stock. When a house has reached the point where its remaining residential life adds little beyond the site, the household price sinks toward the land price, and the sample average of 34.4 percent captures a market full of such meetings (Frontier Capitals, 2026). The 44 sampled homes that builders did not acquire show the other side of the pattern: in those transactions a household buyer found enough house value, through condition, renovation or personal fit, to outbid or simply to precede the land buyer. Both outcomes are normal in 22180, and neither implies that the losing buyer valued the property wrongly.
They pull apart in two situations. The first is the well renovated older home, whose market value can rise toward finished prices while its land value stays exactly where the lot puts it; the gap between the two is the value of the renovation as a living product, realisable only from a household buyer. The second is the exceptional lot carrying a poor house, where land value can exceed the figure any household buyer would pay for the property as a home. Census context on the county helps explain why the second situation recurs here: Vienna’s housing was largely built in waves when land was comparatively cheap, so today’s land prices sit underneath yesterday’s modest houses all over the ZIP (U.S. Census Bureau, 2025).
Nationally, the meeting of the two values is the engine behind 6.9 percent of new single family detached homes standing on redeveloped lots (National Association of Home Builders, 2024). Vienna runs hotter than that national share, with builders taking 27.9 percent of the sampled older homes, because inside the Beltway the land has appreciated so far past the structures that the residual calculation wins more often (Frontier Capitals, 2026). An owner does not need to predict which value governs; the owner needs both figures in hand, which is the practical habit recommended in the report on determining whether a Vienna property is worth more as land and priced lot by lot in the report on what a residential lot is worth in Vienna.
Which value should a seller negotiate from?
From whichever is higher after costs, which is a different question from whichever is higher on paper. A household sale at a strong market value still pays commission at 5 to 6 percent, worth 47,500 dollars to 57,000 dollars on a 950,000 dollar transaction, plus seller closing costs of 1 to 2 percent, the pair commonly totalling 57,000 dollars to 76,000 dollars (National Association of Realtors, 2025). It may also pay inspection credits of 10,000 dollars to 30,000 dollars and months of holding cost before it closes. A land value sale made directly avoids those charges, so a land figure that trails the household figure by less than the cost gap can net the seller more. Sellers who skip the netting routinely choose the larger number and keep the smaller amount.
Evidence discipline applies to both figures. A market value claim should be traceable to comparable recorded sales, which any party can test against the county deed record (Fairfax County Circuit Court Clerk, 2026). A land value claim should be traceable to the residual: a finished price from actual new construction sales in the ZIP, which run from 1,500,000 dollars to 2,600,000 dollars, less sourced construction and margin figures (Redfin, 2026; Frontier Capitals, 2026). A buyer who will show neither the comparables nor the arithmetic is asking to be trusted, and in a two value market that is the one thing a seller does not need to do. The valuation methods are laid side by side in the report on how Vienna homeowners determine their property’s value, which owners can use as a worksheet before any negotiation.
Timing can also separate the values. Market value for a household sale moves with mortgage conditions and the finished home market, while land value moves with new build prices and construction costs, which rarely fall. A seller whose house is near the meeting point of the two values may find the ranking changes across a year without the property changing at all, which is another reason to obtain both figures at the moment of decision rather than relying on a neighbour’s outcome from a different season.
How does a direct sale use the land value without ignoring the house?
Frontier Capitals sources off market houses to builders in a wholesaler role, which means it buys on the land side of the two value question and places the property with a builder, rather than building or pretending to build itself. For an owner whose land value matches or beats the net household figure, that is the efficient route: one negotiation built on the residual, conducted privately, at a price the builder buyer can verify from the same public records the seller used.
The five benefits describe the cost side of that route. Privacy provides zero showings, zero open houses and no public marketing period, so the comparison between the two values stays a private family calculation. Flexible closing provides settlement in 7 to 21 days, or months ahead with a leaseback, compared with 60 to 120 plus days for a listed older home. No commission saves the 5 to 6 percent that equals 47,500 dollars to 57,000 dollars on a 950,000 dollar sale (National Association of Realtors, 2025). No seller closing costs saves the additional 1 to 2 percent, with the combined saving commonly 57,000 dollars to 76,000 dollars at that price point. No inspections or repairs means the property sells as is, so the house’s condition, which is the whole reason its market value sagged toward its land value, stops being a negotiating weapon and the 10,000 dollars to 30,000 dollars of customary inspection credits never appear.
An owner who wants both values calculated on a real Vienna address, the household figure from comparable sales and the land figure from the residual, can call 401-219-4207 or email [email protected] and ask for the two numbers side by side before choosing a route.
Methodology and limitations
The two value framework in this report rests on the series sample of 61 homes in 22180 built in 1980 or earlier and selected for builder targeted characteristics, with 17 acquired by builders and an average older home price of 34.4 percent of new build prices on comparable lots (Frontier Capitals, 2026). Assessment and parcel records support the land value discussion (Fairfax County Department of Tax Administration, 2026), planning records support the buildable capacity points (Fairfax County Department of Planning and Development, 2026), and finished prices come from the listing record for the ZIP (Redfin, 2026). The sample is not a census of Vienna, and the ratio is an average across the sampled older stock rather than a formula that prices any individual address.
The residual illustration is simplified by design: it uses round construction and margin figures from the research file to show the structure of a land bid, and a real bid on a real lot will reflect that lot’s shape, frontage, trees and utility position. No property was inspected or appraised for this report, and neither value discussed here should be treated as an appraisal. Owners needing a formal valuation for legal or tax purposes should commission one from a licensed appraiser working from the same county records.
Conclusion
A Vienna home’s market value is the price of the house and lot together as a place to live, built from comparable sales, while its land value is the price of the lot alone as a place to build, built backwards from the finished price of the next house (Frontier Capitals, 2026; Redfin, 2026). For the older stock in 22180 the two values meet often enough, at an average of 34.4 percent of new build prices, that a seller who obtains only one of them is negotiating half informed. The seller’s task is not to decide which value is real, since both are, but to discover which one, net of the costs of reaching it, pays more for the property being sold.
Do you know both of the prices your property carries, or only the one the first buyer who called chose to mention?
Frequently Asked Questions
Is the county assessed land value the same as market land value?
No. The assessment record states an assessed land value for taxation, which is a public reference point and often a useful floor for the discussion, but a builder’s land value comes from the residual calculation against current new build prices (Fairfax County Department of Tax Administration, 2026; Frontier Capitals, 2026). The two figures can differ substantially in either direction on a given parcel.
Can land value be higher than the whole property’s market value?
Yes, in effect, where an exceptional lot carries a house that household buyers discount heavily, because the builder bid prices the site at 700,000 dollars to 800,000 dollars in the worked illustration while the household market prices the standing house on its condition (Frontier Capitals, 2026). The sale then happens on land logic even though the deed transfers house and lot together.
Why does an automated estimate blur the two values together?
An estimate is built from recorded sales of whole properties and cannot separate how much of each comparable price was land and how much was structure, and its nationwide median error is 7.5 percent for off market homes (Zillow, 2026). On land heavy Vienna properties that blending is the main source of the gap owners notice between an estimate and the offers they actually receive.
Which value matters for a renovated Vienna home?
Market value, in most cases, because a genuinely renovated older home sells its living product to a household buyer at figures the land bid cannot match (Frontier Capitals, 2026). The land value remains useful as a floor and as a check that the household offers are genuinely ahead, net of commission and closing costs (National Association of Realtors, 2025).
How can an owner get both values before deciding to sell?
Assemble the comparable household sales, the county land assessment and the residual inputs, finished prices, construction at 200 dollars to 300 dollars per square foot and a 15 percent to 20 percent margin, and calculate both figures from documents rather than opinions (Redfin, 2026; Fairfax County Department of Tax Administration, 2026). A direct buyer conversation then tests the land figure against a real bid instead of an illustration.
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.
- Fairfax County Department of Tax Administration, 2026. Parcel dimensions, zoning, and assessed land value records for Vienna. Official record.
- Fairfax County Circuit Court Clerk, 2026. Land records: recorded builder purchases and ownership history for 22180 parcels. Official record.
- Redfin, 2026. Recently sold homes and new construction, ZIP code 22180, Vienna VA. Market data.
- Zillow, 2026. Zestimate accuracy: nationwide median error rate 1.9% for on-market homes, 7.5% for off-market homes. Market data.
- National Association of Realtors, 2025. Typical seller commission structures, Washington-Arlington-Alexandria market. Industry report.
- Federal Housing Finance Agency, 2026. House Price Index. Government data.
- Fairfax County Department of Planning and Development, 2026. Zoning classifications and residential setback requirements for 22180. Official record.
- National Association of Home Builders, 2024. Eye on Housing, Builder Practices Survey: 6.9% of new single-family detached homes built on redeveloped lots. Press.
- U.S. Census Bureau, 2025. QuickFacts: Fairfax County, Virginia. Government data.