The complete
right-size
financial picture.
Net cash from the sale. Monthly cost change between the two homes. Federal capital gains exposure. Get all three right, and the right-size decision gets clear quickly. Skip one, and the move surprises you.
Most right-size decisions get made on one number. That is the problem.
I work with a lot of Southern Utah homeowners thinking about right-sizing. Empty nesters in Bloomington Hills. Retirees who bought in SunRiver fifteen years ago. Cedar City couples whose kids are gone and the basement bedrooms have been empty for eight years. Almost everyone shows up with the same first question, and it is almost always the wrong first question.
"How much will I clear on the sale?" That number matters. It is not the only one that does.
The complete financial picture has three numbers, and they move independently. Net cash tells you what lands in your account. Monthly cost change tells you how the everyday math feels for the next ten years. Tax exposure tells you whether the IRS is going to take a meaningful slice on the way out.
Right-size moves that look great on one number sometimes look worse on the other two, and the reverse is just as true. What follows is how I walk clients through all three, in the order that actually makes the decision.
Net cash is easy to celebrate. Monthly cost change is easy to ignore until the first year. Tax exposure is easy to forget until April.
Looking at all three at once is how a right-size stays a good decision after the moving truck leaves.
A right-size scoreboard.
Three lanes of money. Each runs its own race. Each tells you something the other two cannot.
Net cash from sale.
What lands in your account after the listing closes. Sale price minus payoff, commissions, title, escrow, prorations, and any seller-paid items. In Southern Utah, plan on 7 to 9 percent of sale price in total transaction cost.
Down payment on the next home, plus the leftover.
Monthly cost change.
The all-in difference between the current home and the next one. Principal, interest, taxes, insurance, HOA, utilities. Often smaller than expected. Sometimes the wrong sign entirely if the next home is newer construction in a premium community.
How the next ten years feel.
Tax exposure.
Federal capital gains owed on any gain above the IRS Section 121 exclusion. $250,000 single. $500,000 married filing jointly. For long-held Southern Utah homes bought in the 1990s or 2000s, the exposure can be meaningful and surprising.
Whether timing or filing status matters.
A right-size that looks great on net cash can hide a $1,000-a-month payment increase and a $30,000 tax bill. A right-size that looks bad on the monthly can hand you $400,000 in cash, zero tax exposure, and the lifestyle you actually want. The numbers do not vote against each other. They each tell you a different thing.
When clients ask whether a right-size makes sense, I do not give a yes or no. I walk them through all three numbers, name the trades, and let them choose with their eyes open. That is the whole job.
Net cash from the sale.
The most useful version of "what is my home worth." Not the headline price. The version after the costs of selling, the loan payoff, and the cost of closing the chapter.
Total transaction cost on a typical resale.
St. George resale, 3,400 sq ft.
From headline price to the number that funds the next home.
That $525,000 is the real budget for the next home, not the $725,000 sticker. The gap matters when picking the next price point.
The largest single line. Negotiated upfront. Talk through what you are paying for.
After the August 2024 NAR rule changes, this is now an explicit conversation on every listing.
Owner's title policy, settlement fee, recording, courier. Roughly 1 percent of sale price in Utah.
Property taxes paid through closing date. HOA prorations. Sometimes utility transfers.
Inspection items the seller agrees to fix or credit. Highly deal-specific.
National "average closing cost" articles are usually wrong for Southern Utah, and they are almost always wrong for a specific home. Run the actual net sheet on the actual sale price before you decide. The number changes the down payment on the next home by tens of thousands of dollars.
Pin down the sale price. Everything else follows.
All three numbers, net cash, monthly change, and tax exposure, depend on what your current home actually sells for. Not a Zestimate. An agent-prepared estimate built on the right comps in the right corner of your specific city.
Monthly cost change.
The number most right-sizers assume is positive without running the math. Smaller home, lower payment, lower bills. Sometimes. In Southern Utah, the picture is more interesting, and I have seen it go both directions in the same neighborhood.
Older 4-bed in Cedar City → single-level in-town.
Real Cedar City pattern. Equity goes to a smaller, newer, single-story home in the same city. Monthly drops materially.
St. George resale → newer SunRiver single-level.
Common St. George pattern. Square footage shrinks, but the rate gap, age-restricted HOA, and price-per-foot premium more than make up for it. Net cash is strong. Monthly is not.
Scenario B is not a bad decision. For a household with strong net cash and a real desire for single-level, low-maintenance living, paying more per month for the right home is often the right trade. The point of the math is to name the trade clearly, not to talk anyone out of it. The mistake is making the move without seeing the +$1,110 coming.
The six lines that move the monthly.
Every right-size monthly change comes from a combination of these. Knowing where the swing actually lives is how you avoid surprises.
The biggest swing factor. A 3 percent legacy rate versus a current rate on a similarly sized loan is often a $1,000-plus monthly difference even on a smaller home.
Iron and Washington Counties differ. Primary residence status matters. A newer, smaller home in a higher-assessed area can still produce a similar or larger tax line.
Newer construction usually rates lower for homeowners. Wildfire-zone or rural locations price higher. Check before assuming.
The line nobody wants to talk about. SunRiver, Stone Cliff, Kayenta, and other amenity-heavy communities run $200 to $400-plus per month. The amenities are often worth it. The dues are still a real number.
Square footage drops, utilities usually drop. Modern insulation and HVAC drop them more. The smaller-newer combination is the strongest case for utility savings.
The hidden monthly. Older homes need roofs, HVAC, water heaters, and exterior work on a known schedule. A newer home defers this. Worth budgeting 1 percent of home value per year as an honest comparison.
Capital gains exposure.
For Southern Utah right-sizers who have owned the home a long time, this is the number that surprises people most. Not always with a bill, but with the size of the number that almost was.
$250K single. $500K married.
A single filer can exclude up to $250,000 of capital gain on the sale of a primary residence. Married filing jointly can exclude up to $500,000. The home must have been owned and used as a primary residence for at least 24 of the prior 60 months, per IRS Publication 523.
General reference, not tax advice. A CPA should run the actual numbers.
Utah follows the federal exclusion.
Utah does not have a separate capital gains rate. Capital gains flow through as ordinary income at Utah's flat individual income tax rate. Because Utah follows the federal Section 121 exclusion, the portion you exclude federally is generally not taxed at the state level either.
Verify current rate and treatment with a CPA before filing.
St. George home, bought 2002. Same facts, two filers.
Bought for $180,000 in 2002. $45,000 in capital improvements over time. Sold in 2026 for $725,000. Selling expenses of $58,000.
Fully excluded.
$500,000 exclusion absorbs the entire $442,000 gain. No federal capital gains owed.
$192K exposed.
Same home, different filing status. At a 15 percent long-term federal rate, roughly $29K in federal tax before any state piece.
Improvements raise basis.
Keep records. New roof, HVAC, kitchen, basement, pool, major landscaping. They reduce the realized gain dollar for dollar.
Exceptions exist.
The two-of-five-years rule has carveouts for health, employment, and unforeseen circumstances. Worth asking about if facts are close.
Surviving spouse window.
A surviving spouse generally has a defined window after a spouse's death to still use the $500,000 exclusion. Timing matters.
A note on this section. I am not a CPA, and nothing on this page is tax advice. The capital gains estimator on this site gets you to a directional number. The conversation it kicks off with your tax professional is what makes the number filing-ready.
All three. One decision.
A composite right-size client. The numbers are real-sized, the math is real, and the conclusion is more nuanced than any single number on its own.
Married couple, late sixties. Bloomington Hills → SunRiver.
$170K to the new down payment. $390K free to invest, gift, or reserve.
Rate gap and SunRiver HOA both push it up. Trade made on purpose.
Gain fully sheltered. Federal capital gains owed: zero.
A strong cash position, a higher monthly, and zero tax exposure. The household trades a low monthly for a meaningful cash position and the lifestyle they actually want.
That can be a great trade or a bad trade depending on their total retirement income, other liquid assets, and how the lifestyle change is valued. The point is they see all three numbers, name the trade out loud, and pick on purpose.
Three calculators, three numbers.
Use them in order. The output of each one feeds the conversation about the next.
Model what you walk away with from the sale of your current home. Every line, itemized.
Run calculatorSale proceeds, down payment on the next home, monthly cost change, and the cash that lands free.
Run calculatorDirectional tax exposure on the gain, including the Section 121 exclusion. Take the output to a CPA.
Run calculatorThe questions I hear most.
What does the complete right-size financial picture include?
Three numbers. First, net cash from the sale: sale price minus loan payoff, commissions, title, escrow, prorations, and any seller-paid items. Second, the monthly cost change between the two homes (principal, interest, taxes, insurance, HOA, utilities). Third, federal capital gains exposure on gain above the IRS Section 121 exclusion. The three numbers move independently. A right-size can produce strong net cash and a higher monthly cost at the same time.
Will I save money each month by right-sizing in Southern Utah?
Sometimes yes, sometimes no. A smaller resale home in the same neighborhood usually does reduce the monthly. A newer single-level home in SunRiver, Stone Cliff, or Kayenta often does not, because per-square-foot price, HOA, and insurance can be higher than the larger older home you are selling. Right-sizing in Southern Utah is often a lifestyle and net-cash trade, not a monthly-savings trade. Pricing both homes side by side using the Right-Size and Pocket Cash calculator is the only way to know which one this move is.
How does the Section 121 capital gains exclusion work on a Southern Utah right-size?
Section 121 lets a homeowner exclude up to $250,000 of capital gain on the sale of a primary residence, or $500,000 for a married couple filing jointly, provided the home has been owned and used as a primary residence for at least 24 of the prior 60 months. A St. George home bought in 2002 for $180,000 and sold in 2026 for $725,000 carries a $442,000 gain after improvements and selling expenses. A married couple shelters all of it under the $500,000 exclusion. A single owner on the same facts has $192,000 of taxable gain. This is general information, not tax advice.
Does Utah charge a separate state capital gains tax on a home sale?
Utah does not have a separate capital gains rate. Capital gains are taxed as regular state income at Utah's flat individual income tax rate. Because Utah follows the federal Section 121 exclusion, gain that is excluded federally is generally not taxed at the state level either. Verify the current Utah rate and treatment with a CPA before filing.
What does it actually cost to sell a home in Southern Utah?
Plan on roughly 7 to 9 percent of sale price as total transaction cost for a typical Southern Utah resale. That includes listing commission, buyer-side compensation, title and escrow, owner's title policy, prorations, recording, and any seller-paid concessions. The seller net sheet calculator itemizes the full stack on your specific home.
Do capital improvements lower my tax exposure?
Yes. Capital improvements add to your basis and reduce the realized gain. A new roof, HVAC replacement, kitchen remodel, finished basement, pool, or major landscaping typically qualify. Routine repairs and maintenance do not. The IRS expects records, so the time to keep them is during the work, not at sale. For a long-held home with significant improvements, this can move the basis by $30,000 to $100,000 or more.
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