You’ve accepted a cash offer on your Central Coast home. Congratulations.
Now comes the question that keeps sellers awake at night: “How much will I owe in capital gains tax?”
Let’s break it down. It’s simpler than most people think—and for many sellers, the answer is “zero.”
What Is Capital Gains Tax?
Capital gains tax is a tax on the profit you make when you sell an asset.
Simple formula:
Sale Price – Original Purchase Price – Selling Expenses = Capital Gain
That gain is what gets taxed.
Example: – You bought your San Luis Obispo home for $400,000 in 2010 – You sell it for $520,000 in 2026 – Profit: $120,000 – You owe capital gains tax on that $120,000
(Note: The example ignores home improvements, which can reduce the gain.)
The Primary Residence Exemption: The Game-Changer
Here’s the good news: If you owned the home as your primary residence for at least 2 of the past 5 years, you can exclude up to $250,000 of gain (or $500,000 if you’re married filing jointly).
This is huge. It means:
Single filer example: – Gain: $120,000 – Exemption: -$250,000 – Taxable gain: $0 – Taxes owed: $0
Married couple example: – Gain: $350,000 – Exemption: -$500,000 – Taxable gain: $0 – Taxes owed: $0
Most Central Coast home sellers owe zero federal capital gains tax because their gain falls within the exemption.
When the Exemption Applies
You can use the exemption if:
- You owned the home for at least 2 of the past 5 years (before the sale)
- You lived in it as your primary residence for at least 2 of the past 5 years
- You haven’t used the exemption for a different property in the past 2 years
Note: “Primary residence” means it was your main home, not an investment property or vacation home.
When the Exemption Doesn’t Apply
You lose the exemption if:
- You owned it less than 2 of the past 5 years. (Example: Bought it, lived there 18 months, sold it.)
- You used it as a rental property. (If you converted it to a rental and then sold, the exemption doesn’t apply; rental-property depreciation rules do instead.)
- You’ve already used the exemption in the past 2 years for a different property.
- You excluded gain on another home in the past 2 years. (You can only use it once every 2 years.)
If you don’t qualify for the exemption, you owe tax on your full gain.
Long-Term vs. Short-Term Capital Gains
Even if your gain exceeds the exemption, the type of gain matters.
Long-term capital gains (held 1+ year): Taxed at favorable rates—0%, 15%, or 20% federal, depending on income.
Short-term capital gains (held less than 1 year): Taxed at your ordinary income rate (up to 37% federal).
Most Central Coast home sales qualify as long-term because most people own homes longer than a year.
Example (Long-term gain over exemption): – Gain: $600,000 – Exemption (married): – $500,000 – Taxable gain: $100,000 – Federal tax (20% long-term rate): $20,000 – California state tax (varies): $9,300 – Total federal + state: ~$29,300
How Home Improvements Reduce Your Gain
Capital improvements (things that add value or extend life) add to your “cost basis,” which reduces your gain.
Examples of capital improvements: – New roof: $12,000 – Kitchen remodel: $25,000 – New HVAC: $8,000 – Room addition: $40,000 – New windows: $8,000
Example (with improvements): – Original purchase price: $400,000 – Capital improvements: $50,000 – Adjusted basis: $450,000 – Sale price: $520,000 – Gain: $70,000 (instead of $120,000) – Exemption: -$250,000 – Taxable gain: $0
Important: Keep receipts for all improvements. Repairs (fixing things to their original condition) don’t count—only improvements.
California State Capital Gains Tax
California taxes capital gains as ordinary income. There’s no state exemption for primary residences.
Your tax bracket determines the rate.
If you’re in the 9.3% state bracket, you pay 9.3% on taxable gain. If you’re in the 13.3% top bracket, you pay 13.3%.
So your total tax is federal + California state. Even with the exemption, if you have a gain exceeding $250k, you owe California state tax.
Other Ways to Reduce Capital Gains
Selling expenses: Realtor commission, title insurance, escrow fees—these reduce your net proceeds but don’t reduce your gain calculation.
Depreciation recapture (rentals only): If you rented the home, you might owe “depreciation recapture” tax at 25% on the amount of depreciation you took.
1031 exchange: If you buy another property within 45–180 days, you can defer capital gains tax entirely (but you must reinvest all proceeds).
A Real Central Coast Example
The scenario: You bought a Paso Robles home for $350,000 in 2000. You lived there 26 years (until 2026). You made improvements totaling $40,000. You sell for $550,000.
Calculations: – Sale price: $550,000 – Cost basis: $350,000 + $40,000 = $390,000 – Gain: $160,000 – Primary residence exemption: -$250,000 (married filer) – Taxable gain: $0
Taxes owed: $0
This is typical for long-time Central Coast homeowners.
What If You Don’t Qualify for the Exemption?
Scenario: You bought a vacation home in Cambria for $400,000 in 2024. You never lived in it as your primary residence. You sell in 2026 for $500,000.
Calculations: – Gain: $100,000 – Exemption: $0 (not your primary residence) – Taxable gain: $100,000 – Federal tax (20% long-term): $20,000 – California tax (10.3%): $10,300 – Total: $30,300
You’d owe tax even though the gain is “small.”
FAQ: Capital Gains on Central Coast Sales
Q: If my gain is $200,000 and the exemption is $250,000, do I owe zero tax? A: Yes. Your entire gain is covered by the exemption, so taxable gain is $0.
Q: What if my gain is $300,000 (married, $500k exemption)? A: Taxable gain is $0 federally. But you’d owe California state tax on the excess. California doesn’t have a primary residence exemption.
Actually, wait—if the exemption is $500k and gain is $300k, you owe $0 federal tax. For California: California also doesn’t have a separate exemption, so technically you’d owe state tax on the full $300k unless other factors apply. Consult a tax pro.
Q: Do I need to report the sale to the IRS? A: Yes. The title company files Form 1099-S. You report it on Schedule D of your tax return.
Q: Can I spread the gain across multiple years? A: Not normally in a cash sale (you receive full payment immediately). If you took back a note/mortgage from the buyer, you could use installment-sale treatment.
Q: Should I hire a CPA before selling? A: Yes, especially if you’re unsure whether you qualify for the exemption or if your gain exceeds it. A CPA can explain your specific situation.
Q: What about net investment income tax (NIIT)? A: NIIT (a 3.8% additional tax) applies to high-income filers when they have net investment income. Primary residence sales are often exempt, but it’s worth checking with a tax pro if you’re high-income.
Q: Can I do a 1031 exchange with a cash sale? A: Yes. You’d work with a qualified intermediary to reinvest proceeds in another property within the required timelines.
The Bottom Line
For most Central Coast home sellers: – Gain is less than $250,000 (single) or $500,000 (married) – Primary residence exemption covers the entire gain – Taxes owed: $0
Even if your gain exceeds the exemption, long-term capital gains rates are favorable (0%, 15%, or 20% federal).
Always consult a tax professional to confirm your specific situation. Tax law is complex, and your circumstances are unique.
Ready to Understand Your Specific Tax Situation?
If you’re selling a Central Coast home and want to understand your capital gains exposure, we can help clarify.
Call us at (805) 439-9782 to discuss your situation. We’ll give you a cash offer and help you understand your net proceeds. Then consult a CPA for your specific tax implications.
Get your no-obligation cash offer → — or call (805) 439-9782.
Local. Family-owned. Buying homes on the Central Coast for years.