You Bought It for $180,000 in 1991. What Happens at Tax Time When You Sell?

There is a particular expression that crosses a seller's face when they realize how much their property has appreciated.
It starts as delight and turns, within about four seconds, into a question: "How much of that do I actually keep?"
For homeowners who have owned foothill acreage for twenty, thirty, or forty years, this is not a small question. A property purchased in 1991 for a figure that now sounds like a used truck may have appreciated into a genuinely large gain.
The tax treatment of that gain is more complicated on a rural property than on a suburban house, because rural properties often involve land, outbuildings, home offices, rental units, business use, and improvements made across decades with receipts that have long since disappeared.
I want to be direct about my role here. I am a REALTOR®, not a CPA, an enrolled agent, or a tax attorney. Nothing in this article is tax advice. What I can do is show you which questions to bring to your tax professional, ideally before you list rather than the following April.
That timing distinction is the entire point of this article. Several of the decisions below become much harder to influence once the property is in escrow. '
The Home Sale Exclusion Is the Starting Point
Federal law allows many homeowners to exclude a portion of the gain on the sale of a principal residence.
According to IRS Publication 523, the maximum exclusion is generally $250,000 for a single filer and $500,000 for married taxpayers filing jointly, provided the eligibility requirements are met. Those requirements generally involve owning the home and using it as your principal residence for at least two of the five years preceding the sale, along with limits on how recently you used the exclusion.
For a modest suburban home, that exclusion often covers the entire gain and the conversation ends there.
For a longtime foothill property, it frequently does not.
If a couple bought acreage decades ago and the property has appreciated well past their basis plus the exclusion, there may be a taxable gain remaining. The size of that remaining gain depends heavily on things within your control, which is why this deserves attention early.
Your Cost Basis Is Probably Larger Than You Think
Cost basis is not simply your purchase price. It generally includes your original purchase price plus certain acquisition costs and capital improvements, reduced by certain items such as depreciation previously claimed.
On a rural property, capital improvements accumulate quietly over decades. Sellers routinely understate their basis because they never thought of these as improvements. They thought of them as Saturdays.
Items that may be relevant include:
- The original purchase price and qualifying closing costs
- Additions, remodels, and permitted conversions
- A new roof or structural repairs that extend useful life
- Well drilling, deepening, or replacement
- Pump, pressure tank, and storage tank installation
- Septic system installation or replacement
- Barns, shops, garages, and other permanent outbuildings
- Grading, road construction, and culverts
- Permanent fencing and cross-fencing
- Irrigation system installation
- Pond construction
- Owned solar systems
- HVAC replacement
- Permanent landscaping
- Utility line extensions and transformer installation
Your tax professional will determine which of these qualify as capital improvements versus routine repairs, and the distinction matters. But you cannot claim what you cannot substantiate, and substantiation is where longtime owners struggle.
Start Looking for Records Now, Not Later
This is the single most useful thing a longtime owner can do in the months before listing.
Documentation that may help establish basis includes:
- Your original settlement statement or closing documents
- Contractor invoices and paid receipts
- Permit records from Placer County or Nevada County
- Cancelled checks and old bank statements
- Credit card statements from major project years
- Home improvement loan documents
- Insurance claim records for repairs
- Photographs showing the property before and after work
- Old tax returns, if improvements were ever reported
- Well completion reports on file with the county
- Septic permits and installation records
County permit records deserve a specific mention. Even when a homeowner has lost every receipt, a permit file can establish that work occurred and when. It is not a substitute for cost documentation, but it is a starting point your CPA can work with.
I generally suggest sellers begin this search early, because it takes weeks and it tends to happen in a garage.
The Land Question Rural Sellers Have to Ask
Here is where acreage properties diverge sharply from suburban ones.
The home sale exclusion applies to your principal residence. It does not automatically extend to every acre attached to it.
Publication 523 addresses vacant land specifically. The sale of vacant land adjacent to the land your home sits on can be included as part of the sale of your home if certain conditions are met, including that you owned and used the vacant land as part of your home, that the two sales occurred within two years of each other, and that both sales meet the eligibility test or qualify for partial benefits. Where those conditions are satisfied, the sales are treated as a single transaction and the exclusion is applied only once.
This creates real questions on a foothill property:
- Is your acreage one parcel or several?
- If you have multiple parcels, are they all part of the residence?
- Have you ever considered selling a parcel separately?
- Is any portion in agricultural use?
- Has any acreage been leased for grazing or other purposes?
Sellers sometimes ask whether splitting a parcel and selling pieces separately would produce a better outcome. Occasionally that idea has merit, and occasionally it creates a tax and marketing problem simultaneously. It is a question for your CPA and your agent together, and it needs to be asked before anything is listed.
Business and Rental Use Changes the Math
Rural properties are used for things suburban properties are not.
If any portion of your property was used for business or rental purposes, the analysis becomes more involved. Publication 523 discusses situations where a portion of the real property separate from the living space was used for business or rental purposes and was not used for residential purposes for two of the five years preceding the sale. Gain allocable to periods of nonqualified use may not be excludable.
Situations worth flagging to your tax professional include:
- An ADU or guest unit that was rented
- A barn or shop used for a business
- Land leased for grazing, hay production, or agriculture
- A boarding operation, even a small one
- A home office where depreciation was claimed
- A portion of the property used for a commercial enterprise
- Solar or cell tower leases
- Any period the property was rented out entirely
Depreciation previously claimed generally has to be accounted for on sale, and that treatment differs from the treatment of the underlying gain. Your tax professional will handle the specifics. Your job is to disclose every one of these situations rather than assume the small ones do not count.
The seller who once boarded two horses for a neighbor for four years should mention it.
The Basis Adjustment Nobody Wants to Think About
When a spouse dies, the surviving spouse's basis in the property may be adjusted.
California is a community property state, and community property has particular treatment on the death of a spouse that can differ from how separate property or jointly titled property in other states is handled. The practical effect can be significant for a surviving spouse selling a longtime property.
I raise this carefully and without enthusiasm, because it involves a loss. But I have worked with enough surviving spouses to know that many of them sell without ever having asked whether their basis changed, and that omission can be expensive.
If you are a surviving spouse considering a sale, this belongs on your list of questions. Bring your vesting documents and the date of death to your CPA.
Timing Choices That Affect the Outcome
A few decisions influence the tax picture, and most of them are made before listing.
The year of sale. Gain is generally recognized in the year of closing. A December closing and a January closing fall into different tax years, which can matter if your income varies or if you are managing other taxable events.
Installment sales. In some transactions, seller financing spreads recognition of gain across multiple years. This is not right for every seller, it carries real risk, and it requires professional structuring. But it exists, and it is occasionally a good fit for a rural seller with a large gain and no need for all the cash at once.
1031 exchanges. These apply to investment or business property, not to a principal residence. On a mixed-use rural property, portions may potentially be treated differently. This is squarely a CPA question.
Sequencing with a parcel split or land sale. If land is being separated, when it sells relative to the residence matters, given the two-year condition described above.
Your other income that year. Retirement account distributions, Social Security timing, and Medicare premium thresholds can all interact with a large gain year.
None of these can be arranged after the fact.
A Common Sierra Foothills Seller Story
Imagine a widow in her seventies selling twelve acres outside Grass Valley that she and her late husband bought in 1988.
She assumed her gain would be enormous and had privately decided the tax bill made selling unattractive.
Three things changed the picture once a CPA looked at it. Her basis had been adjusted following her husband's death, which she had never considered. Thirty years of improvements had gone unaccounted for, and county permit records plus a shoebox of invoices reconstructed a meaningful portion of them. And a rented guest unit created a wrinkle that needed proper treatment rather than being ignored.
The outcome was not tax-free. It was simply a great deal better than the number she had been carrying around in her head, and it was arrived at deliberately rather than by accident.
The part I want to emphasize is that all of this happened before the property was listed. Had she sold first and asked questions in April, several of those items would have been much harder to address.
Frequently Asked Questions
- Will I owe capital gains tax when I sell my acreage property?
Possibly. Many homeowners qualify to exclude a portion of the gain on a principal residence, but longtime foothill owners frequently have gains that exceed the exclusion, and land and business-use portions may be treated differently. A tax professional should evaluate your specific situation.
2. Do improvements to my barn or well count toward my cost basis?
Capital improvements generally increase basis, while routine repairs generally do not. Whether a specific project qualifies depends on its nature and on substantiation. Gather your records and let your CPA make that determination.
3. What if I lost all my receipts from the 1990s?
You are in good company. County permit records, old bank and credit card statements, contractor records, insurance claims, and photographs may help. Your tax professional can advise on what documentation is acceptable.
4. Does the exclusion cover all my acreage?
Not automatically. IRS guidance addresses when adjacent vacant land can be treated as part of the sale of the home, subject to specific conditions including a two-year timing requirement. Multiple parcels, agricultural use, and leased land raise additional questions.
5. Should I talk to a CPA before or after I list?
Before. Several of the useful decisions, including record gathering, sale timing, parcel handling, and installment structuring, are much easier to influence before a property is on the market.
Bring Your Tax Professional In Early
The sellers who end up happiest with the financial outcome of a large rural sale are not the ones who found a clever loophole. They are the ones who started asking questions six months before listing instead of six months after closing.
My role is to value and market the property, to advise on preparation and pricing, and to coordinate the sale. Your CPA's role is to tell you what the numbers mean for you.
When those two conversations happen in the right order, sellers make better decisions and encounter fewer surprises.
If you are considering selling a longtime country home, ranch, horse property, or acreage estate in the Sierra Foothills, I am glad to walk the property with you and help you build the list of questions worth taking to your tax professional.
Ready to learn more? Contact me for a private, no-pressure property consultation and customized market analysis.
About Lori McIntosh
Lori McIntosh is an Auburn, California REALTOR® with GUIDE Real Estate, specializing in country homes, luxury properties, acreage, equestrian properties, and downsizing throughout Auburn, Penryn, Newcastle, Loomis, Meadow Vista, Grass Valley, Nevada City, Colfax, Foresthill, and surrounding Sierra Foothills communities.
Lori lives on five acres with her own horses and has firsthand experience with the improvements longtime rural owners make and forget, from wells and septic systems to fencing, irrigation, and outbuildings.
Her background as an occupational therapist helps her guide older homeowners through the practical and emotional decisions involved in selling a longtime property, and her previous career as a professional photographer shapes how she positions distinctive rural homes in the market.
This article is general information and is not tax, legal, or financial advice. Tax law is complex and subject to change, and outcomes depend on individual circumstances. Consult a qualified tax professional regarding your situation. DRE #02122219.













