Own Luxury Homes®

Downsizing in Retirement: Complete Financial Analysis

5-step analysis: net sale proceeds (selling costs 8–10%), capital gains ($250K/$500K exclusion, taxable gain at 0/15/20%), new home cost, net equity freed, carrying cost reduction. Cross-state downsize can free $200–500K additional equity from market price gap. Carrying cost savings ($12–20K/yr) = equivalent of $240–400K extra saved. Own Luxury Homes® 12-Point Agent Integrity Audit™ — full net equity calc before every downsize decision.

Downsizing in Retirement: The Complete Financial Analysis

Net equity

Sale price − payoff − selling costs − new home cost = what you actually free

8–10%

Selling costs as % of sale price — the number most financial plans underestimate

Conservative investment return on freed equity generating sustainable annual income

IRMAA

Medicare surcharge threshold: $109K single / $218K joint — a large gain can trigger it

The financial case for downsizing looks simple: sell the big house, buy a smaller one, invest the difference. In practice the math has six moving parts that financial planners often model imprecisely because they are not in the real estate transaction daily: selling costs, new home costs, the capital gains calculation, the IRMAA exposure, the Social Security taxation spike, and the carrying cost reduction. This page builds the complete net equity calculation so you know exactly what a downsize actually frees.

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Step 1: Net Sale Proceeds From the Family Home

Line Item	Example ($800K Family Home, $200K Payoff)	Your Number
Sale price	$800,000	$________
Mortgage payoff (balance + per-diem interest)	−$200,000	−$________
Listing agent commission (2.5–3%)	−$24,000	−$________
Buyer-agent compensation (if offered)	−$20,000	−$________
Transfer taxes (varies by state)	−$4,000–8,000	−$________
Title insurance + escrow (seller share)	−$3,000–5,000	−$________
Prorated property taxes + HOA	−$2,000–4,000	−$________
Pre-sale repairs and staging	−$0–15,000	−$________
NET SALE PROCEEDS	~$540,000–$547,000	$________
Selling costs typically total 8–10% of sale price including commission. On an $800,000 home that is $64,000–$80,000 before the mortgage payoff. Many financial plans model 6% and undercount by $16,000–32,000.

Step 2: Capital Gains Tax Calculation

Line Item	Example	Notes
Sale price	$800,000
Adjusted cost basis	−$180,000	Original purchase price + capital improvements
Selling costs (deductible)	−$56,000	Commissions, transfer taxes, legal fees reduce taxable gain
Gross gain	$564,000
Primary residence exclusion (married)	−$500,000	$250,000 single / $500,000 married; must own+live in 2 of past 5 years
Taxable gain	$64,000	Amount above the exclusion subject to capital gains tax
Federal long-term capital gains tax (15%)	−$9,600	0% / 15% / 20% depending on total income
Net after tax	$54,400 remaining after tax	Most retirement downsizes stay within the exclusion
Most homeowners downsizing in retirement fall within the $500,000 married exclusion and owe no federal capital gains tax. The risk arises for high-appreciation markets (California, New York, coastal areas) where gains can exceed $500,000 after decades of ownership.

Step 3: New Home Purchase Cost

Line Item	Example ($450K Downsize Home, Cash)	Notes
Purchase price	$450,000
Buyer closing costs (1–3%)	$6,750–13,500	Title, escrow, inspections, recording; no loan costs if cash
Move-in repairs and upgrades	$5,000–20,000	Paint, appliances, landscaping on the new property
Moving costs	$3,000–10,000	Local to regional; more for cross-country moves
TOTAL NEW HOME COST	~$465,000–$493,000
60%+ of 55+ buyers pay cash for their next home (PCR 2026), eliminating loan costs but not closing costs. Budget separately for the physical move, which is often underestimated.

Step 4: Net Equity Freed and Annual Income Generated

Calculation	Example	Your Number
Net sale proceeds (Step 1)	$544,000	$________
Capital gains tax (Step 2)	−$9,600	−$________
New home total cost (Step 3)	−$479,000	−$________
NET EQUITY FREED	$55,400	$________
Annual income at 5% invested	$2,770/year	$______/year
This example shows a same-state downsize from $800K to $450K. Cross-state downsizes (California to Arizona, New York to Florida) typically free far more: $200,000–$500,000 in net equity when the price gap between markets is large. The income generated on that freed equity can be the difference between a comfortable and constrained retirement.

Step 5: Carrying Cost Reduction — The Underestimated Benefit

The freed equity gets most of the attention. The carrying cost reduction is equally significant and permanent:

Carrying Cost	$800K Family Home (Example)	$450K Downsize Home (Example)	Annual Savings
Property taxes (1% of value)	$8,000/year	$4,500/year	$3,500/year
Homeowners insurance	$4,000/year	$2,200/year	$1,800/year
Maintenance (1.5% of value)	$12,000/year	$6,750/year	$5,250/year
Utilities (estimate)	$4,800/year	$2,400/year	$2,400/year
TOTAL CARRYING COST	$28,800/year	$15,850/year	$12,950/year savings
The carrying cost savings of ~$12,950/year in this example is equivalent to the income generated by an additional $259,000 in invested assets at 5%. Over a 20-year retirement, the cumulative carrying cost savings (uninflated) = $259,000. This benefit is permanent and does not require the equity to be invested.

The IRMAA and Social Security Interaction

Plan the Sale Year Carefully

A home sale that generates taxable capital gains above the exclusion spikes your Modified Adjusted Gross Income (MAGI) in the sale year. Two consequences: (1) Medicare IRMAA surcharges apply two years later based on the sale year income. 2026 thresholds: $109,000 single / $218,000 joint. Each bracket adds $500–3,000+/year in Medicare premiums for two years. (2) Up to 85% of Social Security benefits can become taxable when MAGI exceeds $34,000 single / $44,000 joint. Timing the sale in a year when other income is low — before Social Security begins, before RMDs are required — minimizes both surcharges.

“The number that surprises retirees most is not the capital gains tax — most fall within the exclusion. It’s the carrying cost savings. When I show a client that downsizing from a $900,000 home to a $500,000 home saves $15,000–20,000 per year in taxes, insurance, and maintenance — permanently, year after year, for the rest of their lives — the decision becomes much clearer. That’s $15,000–20,000 per year that does not come out of their investment portfolio. It is the equivalent of having an extra $300,000–$400,000 saved. Most financial plans model the freed equity and forget the carrying cost reduction entirely.”

— Ryan Brown, Principal Broker & CEO, Own Luxury Homes®

How much money does downsizing in retirement free up?

Net equity freed = net sale proceeds − capital gains tax − new home total cost. A same-state downsize from $800K to $450K might free $50,000–$75,000. A cross-state downsize (California to Arizona or Florida) can free $200,000–$500,000 when the market price gap is large. Invested at 5%, $300,000 freed generates $15,000/year in additional income.

What are the costs of downsizing a home?

Selling costs: 8–10% of sale price (commission, transfer taxes, title, prorations). Buying costs: 1–3% of purchase price (closing costs) plus moving costs ($3,000–10,000) and move-in repairs ($5,000–20,000). Total transaction friction on a $800K sale + $450K purchase: roughly $85,000–$100,000. The freed equity and carrying cost savings must exceed this to make financial sense.

Does downsizing a home affect Social Security benefits?

Indirectly, if the sale generates taxable capital gains above the exclusion. A spike in MAGI from home sale proceeds can cause up to 85% of Social Security benefits to become taxable in the sale year. Time the sale when other income is low to minimize this effect.

Is a cross-state downsize worth the extra complexity?

Usually yes, if the price gap between markets is significant. A California to Arizona or Florida downsize can free $200,000–$500,000 in additional equity simply from the market price difference, on top of the carrying cost reduction. The domicile change (for full tax benefit) requires additional steps: 183+ days in the new state, new driver’s license, voter registration, vehicle registration.

Related Guides

Own Luxury Homes® — retirement specialists who build the complete 5-step net equity calculation before advising on any downsize decision. 12-Point Agent Integrity Audit™. Talk to a retirement specialist ›

"The introduction Own Luxury Homes® makes is to a specialist with documented closing history in your specific market — not the county, not the metro, the submarket you're actually selling or buying in. That's the standard we verify before your name goes anywhere."

— Ryan Brown, Principal Broker & CEO, Own Luxury Homes® (FL License BK3626873)