Installment Sale Calculator

Home / Articles

Is Seller Financing a Good Idea? Pros, Cons and Risks for Sellers

By Hans Goldstein · Updated 2026-09-27

Seller financing is a good idea for a seller when four things are true: the buyer is creditworthy, the down payment is large enough that the buyer will not walk away, the note is well secured by the property, and you do not need the full price in cash now. It is a poor idea when any of those fail, or when a big balloon payment would pull most of your taxable gain back into a single year. The tax benefit is real but smaller than most people think; the lending risk is the bigger decision.

This page gives you the pros, the cons, a worked cash-versus-note comparison, and a checklist to decide.

Quick answer: when owner financing makes sense

Seller financing tends to fit when It tends not to fit when
You own the property free and clear You have a mortgage with a due-on-sale clause
The buyer puts 20% or more down The buyer has little or no money in the deal
You have other money to live on You need the sale proceeds within a few years
The gain is large and your other income is modest Your income is already in the top brackets every year
You are willing to service a loan for years You want a clean exit on closing day
The property is easy to take back and resell Foreclosure in your state is slow or limits your recovery

The pros for sellers

The cons and risks

Risk What it looks like How sellers reduce it
Default Buyer stops paying Larger down payment, credit review, personal guaranty on business deals
Foreclosure cost and delay Months of legal work; some states limit deficiency judgments Deed of trust with power of sale where available; budget for it
Balloon refinance Buyer cannot refinance when the balloon comes due Longer term, smaller balloon, extension terms agreed up front
Concentration Most of your net worth is one loan to one person Keep the note a reasonable share of your assets
Inflation and rates A fixed 6% note looks worse if rates rise Shorter term, rate reset, or a price that reflects it
Liquidity You cannot easily turn the note into cash Selling a note usually means a discount, and it triggers the deferred gain (§453B)
Property decline Buyer neglects the property you may take back Insurance, tax escrow, inspection rights

If the buyer does default, the tax side is governed by §1038 for real estate. The details are in what happens if the buyer defaults or pays early.

Tax pros and cons, honestly

What seller financing does for taxes:

What it does not do:

Worked example: cash sale vs a 10-year note

Simple example, all numbers illustrative. A married couple sells investment land they have held for years.

Option A: cash. All $800,000 of gain lands in year 1.

Option B: seller financing. $200,000 down. Note $800,000 at 7%, fully amortizing over 10 years, $9,288.68 a month.

Year Interest Principal Gain (80%)
1 $54,185 $257,279 $205,823
2 $50,045 $61,419 $49,135
3 $45,605 $65,859 $52,687
4 $40,844 $70,620 $56,496
5 $35,739 $75,725 $60,580
6 $30,264 $81,200 $64,960
7 $24,395 $87,070 $69,656
8 $18,100 $93,364 $74,691
9 $11,351 $100,113 $80,091
10 $4,114 $107,350 $85,880
Total $314,641 $1,000,000 $800,000

Federal tax on the gain only (income tax plus the 3.8% NIIT, not counting tax on the interest):

Cash sale 10-year note
Total federal tax on the gain $150,884 $107,468
Of which NIIT $24,404 $3,884
When it is paid All in year 1 Spread over 10 years

The note saves about $43,400 of federal tax on the gain in this example, and earns $314,641 of interest (taxed as ordinary income). That looks compelling. Now the other side: for ten years, $800,000 of this couple's wealth depends on one buyer paying on time. If the buyer defaults in year 3, they spend money and months taking the land back, and they are selling it again in whatever market exists then.

So the real question is not "does seller financing save tax?" It usually does something. The question is whether the rate and the tax spreading pay you enough for the credit risk. Run your own version in the calculator.

A decision checklist

Answer these before you agree to carry a note:

  1. Could I live comfortably if this buyer never paid another dollar after the down payment? If not, the note is too big a share of your wealth.
  2. Is the down payment at least large enough that walking away would hurt the buyer?
  3. Have I seen the buyer's credit, income and assets, as a bank would?
  4. Is my loan first in line, recorded and insured by title insurance?
  5. Does the rate at least meet the applicable federal rate? If not, part of the principal becomes interest (§§483, 1274). See seller financing interest rates and the AFR.
  6. If there is a balloon, what happens if the buyer cannot refinance?
  7. How much gain lands in each year, and is any of it recapture that is taxed in year 1 regardless?
  8. Would a cash sale plus a normal investment give me a similar result with no buyer risk? See installment sale vs lump sum.

Alternatives if the answer is "not quite"

Bottom line

Seller financing is a good idea when you are a willing lender to a strong buyer and you can afford to wait for your money. The tax spreading is a bonus, not a reason on its own: ordinary recapture and any mortgage payoff are still taxed in year one, the interest is ordinary income, and a balloon can undo the spreading. Size the note so a default would be an annoyance, not a disaster. For the full tax picture, read seller financing tax implications.

Questions to ask your CPA

Run your own numbers. Compare a cash sale, seller financing and a structured installment sale side by side, free.

Open the calculator Get the free book

Educational only, not tax, legal or investment advice. Examples are illustrative. Have your CPA or tax attorney review your facts before you act. Hans Goldstein is a licensed insurance agent (CA Insurance License #4273294) and is not a CPA or attorney. He is paid a commission only if a structured installment sale is funded; seller financing pays him nothing. Disclosures.