Seller financing: a smart strategy for San Diego home sellers.
How acting as the bank can expand your buyer pool, generate steady income, and spread capital gains taxes over time — a practical guide to seller financing in San Diego's high-value market.
Typical seller-financed interest rates — well above what cash would earn in a savings account or CD.
Tax rate on long-term capital gains for most sellers — installment sales can keep you in the 15% bracket.
Typical balloon period on a 30-year amortization — the buyer refinances before the balloon comes due.
San Diego County median home price — significant equity means significant tax planning opportunity.
This article is for informational purposes only and does not constitute tax, legal, or financial advice. Seller financing involves complex legal, tax, and financial considerations. The information presented here is general in nature and may not apply to your specific situation. Consult a qualified CPA or real estate attorney for advice specific to your property, financial circumstances, and goals.
Most home sellers assume there's only one way to sell: list the property, find a buyer with a bank loan, and walk away with a check. But seller financing — where you, the seller, act as the bank — can be a smarter move, especially in San Diego's high-value market where a single transaction can trigger a six-figure tax bill.
At its core, seller financing is straightforward: instead of the buyer getting a mortgage from a bank, you extend them a loan directly. The buyer makes a down payment at closing, signs a promissory note agreeing to pay you the remaining balance over time — with interest — and you record a deed of trust against the property as security. You receive monthly principal and interest payments, and the buyer gets the property.
This isn't a fringe strategy. Seller financing has been used for decades, and in today's market — where conventional mortgage rates hover around 6.5%–7.2% — offering financing at a competitive rate can make your property stand out in a crowded field while creating significant financial advantages for you as the seller.
The most compelling benefit for many San Diego sellers is tax-related. Under Internal Revenue Code §453, an installment sale allows you to spread the capital gains from your home sale across multiple tax years — paying tax only on the portion of the gain you actually receive each year. For a homeowner sitting on $400,000–$600,000 in appreciation, this can mean the difference between the 15% and 20% federal capital gains brackets, and it may help you avoid the 3.8% Net Investment Income Tax altogether.
But seller financing isn't for everyone. It requires careful buyer screening, proper legal documentation, and a willingness to receive your proceeds over time rather than all at once. This guide walks through how it works, the advantages and risks, typical terms, and the tax mechanics — so you can decide whether it's the right strategy for your San Diego property.
How does seller financing actually work?
In a seller-financed transaction, you replace the bank. Here's what the process looks like step by step.
Negotiate Terms
Agree on sale price, down payment, interest rate, amortization schedule, and balloon period. All terms are negotiable — there's no bank underwriting formula restricting what you can offer.
Document the Note
A promissory note spells out the loan amount, interest rate, payment schedule, and default provisions. A deed of trust is recorded with San Diego County, securing your interest in the property.
Close the Sale
The buyer pays the down payment. Title transfers. You receive your down payment proceeds at closing, and the note begins. Use a title company or attorney to handle the closing — don't DIY this step.
Receive Payments
The buyer makes monthly payments to you — principal plus interest — typically via a loan servicing company that handles payment collection, year-end tax statements, and escrow for property taxes and insurance.
Pro tip: Use a third-party loan servicing company to collect and process payments. For a small monthly fee (typically $15–$30), they handle payment processing, send monthly statements, manage escrow for property taxes and insurance, and issue year-end 1098 forms. This keeps the transaction professional and arms-length — which is better for both parties and reduces the likelihood of disputes.
What are the advantages of seller financing?
Seller financing creates value on multiple fronts — from a faster sale at a better price to tax benefits that can save tens of thousands of dollars.
Larger Buyer Pool
Offering seller financing opens your property to buyers who might not qualify for a conventional mortgage — self-employed professionals, foreign nationals, or buyers between jobs. In San Diego's high-value market, this can mean the difference between a property sitting for months and finding a qualified buyer in weeks.
Potentially Higher Sale Price
Buyers will often pay a premium for the flexibility and convenience of seller financing. Because you're offering terms that banks can't match — faster closing, no bank appraisal, flexible underwriting — you can often command 3%–8% above what a conventional all-cash or bank-financed sale would yield.
Steady Monthly Income Stream
Instead of a one-time lump sum, you receive predictable monthly payments — principal plus interest — for years. At 6%–7% interest on a $700,000 note, you're earning $35,000–$49,000 in interest annually in the early years of the loan, far more than what that cash would earn sitting in a CD or high-yield savings account.
Tax Benefits: Installment Sale Treatment
Under IRC §453, an installment sale allows you to spread capital gains across the years you receive payments — rather than recognizing the entire gain in the year of sale. For a San Diego homeowner with a $500,000+ gain, this can mean staying in the 15% capital gains bracket instead of jumping to 20%, and potentially avoiding the 3.8% Net Investment Income Tax (NIIT) altogether.
How installment sales spread capital gains taxes over time.
This is the feature that makes seller financing genuinely powerful from a wealth-preservation standpoint. Here's how the tax math works in plain language.
The Standard Sale: All Gains, One Year
In a conventional sale, the entire capital gain is recognized in the year of the sale. Sell a home for $1,000,000 with a $400,000 cost basis and you have a $600,000 gain — all taxable in that tax year. For a single filer, the first $48,350 of taxable income is in the 0% capital gains bracket, income from $48,351 to $533,400 is at 15%, and above $533,400 is at 20%. A $600,000 gain on top of your regular income will almost certainly push you into the 20% bracket for a significant portion of the gain, and may trigger the 3.8% NIIT. Add California's 9.3%–13.3% state tax on top, and your effective tax rate can exceed 30%.
The Installment Sale: Gains Spread Over Time
Under IRC §453, you only pay tax on the portion of the gain you actually receive each year. Here's the key concept: the IRS calculates a "gross profit percentage" — your total gain divided by the total sale price. For that $1,000,000 sale with a $600,000 gain, the gross profit percentage is 60%. Every dollar of principal you receive is treated as 60% gain and 40% return of basis. If you receive $80,000 in principal in a given year, only $48,000 is taxable gain. Spread across 5–7 years of payments, you might keep your total annual income — including the gain — under the thresholds where higher rates and the NIIT kick in. Interest payments you receive are taxed separately as ordinary income each year.
Example: $1,000,000 Sale With a $600,000 Gain
Important note: If the property was your primary residence, the Section 121 exclusion may apply — you can exclude up to $250,000 of gain ($500,000 for married couples filing jointly) if you've lived in the home for at least two of the last five years. The installment sale rules under §453 apply to the gain above and beyond any Section 121 exclusion. For investment properties, depreciation recapture is taxed in the year of sale at 25% regardless of the installment structure. These are simplified examples — always work with a CPA to model your specific situation.
What are the disadvantages and risks?
Seller financing offers compelling benefits, but it's not without downsides. Understanding the risks upfront is essential to making an informed decision.
Buyer Default Risk
The buyer could stop making payments. While you retain a lien on the property and can foreclose, foreclosure in California is a judicial process that can take 120+ days and cost $5,000–$15,000 in legal fees. Screen buyers carefully — verify income, employment, and credit history before agreeing to terms.
No Lump Sum at Closing
You won't walk away from the closing table with a wire transfer for the full sale price. If you need the cash immediately — for another home purchase, a business investment, or retirement — seller financing may not be the right fit. The cash comes in over years, not all at once.
Tied to Property Performance
If the property declines in value or the neighborhood softens, you remain exposed. Should the buyer default and the property is worth less than the remaining loan balance, you could face a shortfall. This risk is lower in San Diego's historically appreciating market, but it's a real consideration in any real-estate-backed note.
Due-on-Sale Clause Considerations
If you have an existing mortgage on the property, the lender's due-on-sale clause may be triggered by a seller-financed transfer. You'll need to either pay off the existing loan at closing or obtain lender approval — both of which require planning. Properties owned free and clear avoid this complication entirely.
What are typical seller financing terms?
Every seller-financed deal is negotiated, but these ranges represent what's common in today's San Diego market.
| Term Element | Typical Range | Notes |
|---|---|---|
| Interest Rate | 5%–8% | Negotiated between buyer and seller. The IRS Applicable Federal Rate (AFR) sets a floor — currently ~4.3% for mid-term notes (3–9 years). Rates below AFR trigger imputed interest rules. |
| Loan Duration | 3–5 year balloon | Most seller-financed notes use a short balloon period with a 30-year amortization schedule. The buyer refinances with a conventional lender before the balloon comes due. |
| Down Payment | 10%–20%+ | Higher down payments reduce your risk. Many sellers require 15%–20% minimum. A larger down payment also signals buyer commitment and reduces the likelihood of strategic default. |
| Amortization | 20–30 years | A 30-year amortization keeps monthly payments manageable for the buyer while building your interest income. The balloon ensures you're not locked in for three decades. |
| Security | Promissory note + deed of trust | Recorded against the property in San Diego County, giving you the right to foreclose if the buyer defaults. Always use a title company or real estate attorney to draft and record these documents. |
| Prepayment | Negotiable | You can include a prepayment penalty if you want to protect your interest income stream, or allow penalty-free prepayment if you'd prefer the buyer refinance and pay you off early. |
How terms are negotiated: Seller financing terms are shaped by market conditions and what each party needs. In a seller's market, you have more leverage to demand a higher interest rate, larger down payment, and shorter balloon. In a buyer's market, offering attractive terms — a rate below prevailing bank rates, a smaller down payment — can be the competitive edge that gets your property sold. Work with an experienced real estate agent who understands seller financing to position your terms effectively.
Why seller financing makes particular sense in San Diego.
High Home Values = Big Tax Exposure
With a median home price around $1,074,000, San Diego sellers are often sitting on $400,000–$700,000+ in gains. On a conventional sale, that gain gets taxed in a single year — potentially at the top capital gains rates. Seller financing spreads that gain across years, keeping more money in your pocket and less in a tax payment.
Diverse, Non-Traditional Buyer Pool
San Diego attracts entrepreneurs, tech professionals, remote workers, and international buyers — many of whom have strong finances but don't fit neatly into a conventional mortgage box. Seller financing opens your property to this entire pool of qualified-but-unconventional buyers, increasing demand and supporting your asking price.
Resilient Property Values
San Diego's chronic housing shortage, diversified economy anchored by military, biotech, and tourism, and geographic constraints on new supply mean property values have historically been more resilient than in many other markets. This reduces the risk that your buyer defaults and the property is underwater — a key concern when you're holding the note.
Competitive Advantage in Any Market
When conventional mortgage rates are at 6.5%–7.2%, offering seller financing at 5.5%–6% can make your property the most attractive option on the market. Buyers see lower monthly payments, and you earn interest at a rate that beats most fixed-income alternatives — a true win-win. Even in a seller's market, this advantage can translate into multiple offers and a higher final sale price.
California's Tax Environment
California taxes capital gains as ordinary income, with rates ranging from 1% to 13.3%. A large gain concentrated in a single year can push you into the state's top brackets. By spreading the gain across multiple years under an installment sale, you may stay in California's lower marginal brackets each year — potentially the 9.3% bracket instead of 11.3% or 12.3%. Combined with federal savings, the total tax difference can be substantial.
Frequently asked questions.
How does an installment sale reduce my capital gains tax?
How does an installment sale reduce my capital gains tax?
What is the Applicable Federal Rate (AFR) and why does it matter?
What is the Applicable Federal Rate (AFR) and why does it matter?
What happens if the buyer stops making payments?
What happens if the buyer stops making payments?
Can I do seller financing if I still have a mortgage on the property?
Can I do seller financing if I still have a mortgage on the property?
Why is seller financing especially appealing in San Diego?
Why is seller financing especially appealing in San Diego?
Let's discuss whether seller
financing fits your situation.
Contact me if you have a home that you would like to sell or finance. Our team can help you evaluate whether seller financing — or another strategy — will maximize your proceeds and minimize your tax exposure in San Diego's unique market.