The bank is not looking at what your business brings in. It is only looking at what you paid tax on. So yes, fewer write-offs means you qualify for a bigger mortgage, and it also means a bigger tax bill.
Before you decide to claim more income, understand what that path actually costs you. You cannot use income you have not filed yet. Underwriters usually average two years of returns. And they will not average income that went down. Claiming more income normally means waiting a year or two, not a month. The other path is a loan that never looks at your returns at all.
There are no common sense rules in mortgage underwriting. I say that to people all the time, and this is the clearest example of it.
When a self-employed borrower calls me after being denied, I ask what their income is. They almost always tell me what is coming into the business. That is not what a bank is looking at. In terms of qualifying you for a mortgage, the bank does not care how much money your business brings in. It only cares how much you paid tax on after the write-offs.
So the rule of thumb runs in both directions at once. The fewer write-offs you have, the more mortgage you qualify for. The fewer write-offs you have, the more tax you pay. The real question is which one costs you more.
This is the part people underestimate. Claiming more income is not a switch you flip.
On a conventional mortgage, the lender can only use income you have already filed on a tax return. They cannot take into account what is happening in your business right now. So if you decide today to claim more, you are waiting until the next filing season before that decision does anything for you.
Then there is the averaging. The typical way underwriters handle self-employed income is a two year average of your last two returns. And here is the guideline that catches people: they do not average declining income. They only average increasing income. If last year came in below the year before, they will use the lower year on its own.
Put those together and a rough year can push you out two full filing cycles. You file, you pay the extra tax, and you still do not qualify, so you file again the following year and pay it again. That is two years of higher tax bills before you get the mortgage.
If you do go the claim-more-income route, your credit score decides which door you walk through, and each door has its own rules about how many returns you need.
| Loan type | Credit you need | Tax returns required | Down payment |
|---|---|---|---|
| FHA | Under 680 | Always two years | 3.5% |
| Conventional | 680 min, 700+ better | Two years, with one exception below | 3% to 5% |
| Jumbo | Strong | Two years, no exceptions | Around 20% |
Size matters too. FHA caps out well below conventional, and the cap is set county by county. Conventional runs up to the conforming loan limit. Anything above that is a jumbo. Both limits reset every January, so check where they sit in the year you are buying rather than trusting a number you read somewhere.
If your business has been in existence more than five years and you have filed five or more years of returns, you can qualify for a conventional mortgage using only your most recent year. That is a real escape hatch. A bad year does not have to sink you, as long as the following year’s return shows enough income and you have the history behind you.
Most people I talk to do not actually want to give up their write-offs. They want to keep taking advantage of the tax code and still buy the house. That is what the alternative loans are for.
Take a bank statement loan. The first thing it buys you is time, because there is nothing to wait for. You can use the income you have generated to date instead of income you filed on a return.
On these loans your credit score and your down payment work against each other. More of one buys you room on the other.
| If you put down | Credit score you need |
|---|---|
| 10% | Around 700 |
| 15% | Around 680 |
| 20% | Around 640, sometimes 620 |
Rate follows the same logic. I am not publishing today’s numbers here because they would be wrong within a month, but the shape holds: the more you put down and the stronger your credit, the closer you get to ordinary pricing. What I have noticed recently is that with good credit and 20% down, these land pretty close to what a conventional or jumbo would cost you.
This is the piece people miss. A bank statement loan is not a permanent decision. Once your filed income catches up to where you need it, we refinance you into a traditional mortgage. Plenty of my clients do exactly that. You get the house now and you fix the financing later.
Run the numbers on both. Work out what claiming more income would cost you in additional tax over the years you would have to wait, and compare that against what the alternative loan costs you in rate over the same period. For a lot of business owners the alternative loan is cheaper than the tax bill, and it gets them into the house years earlier. For others, especially if they were close to qualifying anyway, filing is the better move.
That is a calculation, not an opinion, and it takes about twenty minutes.
Yes, directly. Lenders qualify self-employed borrowers on net taxable income after write-offs, not on business revenue or deposits. Every dollar you write off is a dollar the underwriter does not count.
Only if the math supports it. Claiming more income usually means waiting until the next filing season at minimum, and often two filing cycles, while paying the higher tax bill each year. Compare that total cost against the rate premium on a loan that does not use tax returns.
It is the standard method for self-employed income. Note that lenders average increasing income but not declining income. If your most recent year was lower than the year before, they will use that lower year alone rather than averaging the two.
Sometimes. If your business has been in existence more than five years and you have filed five or more years of returns, conventional guidelines can allow qualification on the most recent year alone.
Yes. Bank statement loans and other alternative documentation loans do not use tax returns, so unfiled returns are not an obstacle. This comes up often with borrowers in the middle of a divorce.
No. These are 30 year fixed rate mortgages with no prepayment penalty, and they can be refinanced into a traditional mortgage later once your filed income supports it.
Related: Denied after filing your taxes? What actually works · How much income do you actually need? · Bank statement loans · Income calculator
Send me your situation and I will show you what claiming more income would actually cost you against what the alternative loan costs. No pressure and no application required to start a conversation.
Talk to ScottScott Hastings, NMLS #926762. Mortgages by Scott, a division of Arbor Financial, NMLS #236669. Licensed in NC, SC, FL, GA, VA, AR, IN, MD, MO, MT, NH, NV and PA. This is not an offer to lend and it is not tax advice. Rates, terms, guidelines and loan limits change, and qualification depends on credit, equity, occupancy and other factors. Talk to your tax preparer about the tax side and a mortgage professional about the financing side. Equal Housing Lender.
