A $212 dental bill from 2022 that your insurance quietly declined. A $90 phone account closed during a move. Accounts like these slip onto credit reports without a phone call or a warning, and by the time you sit down with a loan officer they can feel like the single thing standing between you and a house.
They usually aren’t. Collections damage a mortgage application, but they do it in specific, predictable ways, and lenders treat a $400 medical collection very differently from $11,000 in charged-off credit cards. Understanding which category you’re in tells you whether you can buy next month or need to spend six months cleaning up your file.
What a Collection Account Actually Does to Your Mortgage File
Two separate calculations happen when an underwriter opens your file. One is your credit score. The other is your debt-to-income ratio. A collection touches both, and the second one trips up more buyers than the first.
Your score takes the hit early, then fades
A collection hurts most in the first 24 months. After that, its weight in the scoring model declines, though it stays on your report for seven years plus 180 days from the date of first delinquency. If your only negative item is a two-year-old $300 collection, you may be sitting at 640 already and not know it.
Most mortgage scoring still counts paid collections
Here’s the frustrating part. FICO 9 and newer VantageScore models ignore paid collection accounts entirely, and both ignore collections under $100. Mortgage lending, however, has historically relied on older FICO versions (2, 4, and 5) that treat a paid collection and an unpaid one almost identically. The industry is slowly moving toward newer models, but don’t assume a paid-off collection will lift your score. It often changes nothing on the mortgage side.
Where Lenders Draw the Line
- FHA: 580 minimum score for 3.5% down. Between 500 and 579 you can still qualify with 10% down. Collections are allowed on the file.
- Conventional (Fannie/Freddie): 620 is the practical floor, and 3% down programs exist at that level. Many lenders layer stricter rules on top.
- VA: No official score minimum in the guidelines, but most VA lenders want 620 and will scrutinize unpaid collections over roughly $2,000.
- USDA: Similar flexibility to FHA, with its own income caps and property rules.
Notice that none of these guidelines say “no collections.” That’s a lender overlay, not an investor rule. If one bank turns you down, a broker who works with portfolio and government lending may get the same file approved. Our breakdown of what actually works when you’re buying with bad credit walks through how much of a denial is real versus lender preference.
The $2,000 Rule That Surprises FHA Buyers
FHA doesn’t require you to pay off collections to get approved, but it does count them. If your total non-medical collection balances reach $2,000 or more, the lender must factor them into your debt-to-income ratio, typically at 5% of the outstanding balance, unless you pay them off or enter a payment plan.
The math stings. Say you owe $6,000 across three charged-off accounts. That’s $300 a month added to your DTI whether or not you’re actually paying it. At a 6.5% rate on a 30-year loan, $300 a month of debt service supports roughly $47,000 in purchase price. A handful of old accounts can quietly erase a garage and a half from your budget.
Medical collections are treated more gently, and small balances under $250 are generally excluded from conventional DTI calculations. If your file is mostly medical debt, you’re in better shape than the raw dollar figure suggests.
Paying Off a Collection Is Not Always the First Move
Buyers often assume writing a check makes the problem disappear. It doesn’t always, and the order of operations matters.
- Check for errors first. Roughly one in five collection accounts contains a reporting mistake: wrong balance, wrong date, duplicate from a resold debt. A dispute with the bureau costs nothing and takes 30 days.
- Ask for deletion, not just payment. A collector may agree in writing to remove the tradeline in exchange for payment. Get that agreement before you send money, because verbal promises vanish.
- Try a goodwill request on paid accounts. Some original creditors will remove a paid collection as a courtesy, especially on small medical balances. The success rate is modest but the cost is one letter.
- Leave small, old accounts alone. If a $180 collection is five years old and the lender will simply count it in DTI, paying it may gain you nothing and cost you cash reserves you need for closing.
Once an agreement is reached, ask your loan officer about rapid rescoring. It costs roughly $25 to $50 per item per bureau and can update your file in three to five business days instead of the usual 30 to 45.
Where a 620 Credit Score Lands You
A 620 with a couple of collections is a very different file from a 620 with six. Pricing gets sharper as your score climbs, and mortgage insurance premiums shift with it. If you’re hovering near that threshold, the real cost of buying with a 620 credit score is worth reading before you start touring homes, because the monthly difference between 620 and 680 is often $150 or more.
When Manual Underwriting Is Your Opening
Automated underwriting systems are blunt instruments. They see a collection and issue a refer or decline without context. A human underwriter can weigh compensating factors: 14 months of cash reserves, a 32% DTI, eight years at the same employer, a spotless 24-month rent history.
That’s where a strong letter of explanation earns its keep. Don’t write three paragraphs of apology. State what the account was, what caused it, and what changed. “This was a $740 balance from an ER visit in March 2021 after a job loss. It was paid in full in June 2022, and I’ve had no late payments on any account since” is the entire letter. Specific beats sympathetic.
Files in the 580 to 620 range are where manual underwriting does the most work, and what lenders will approve at a 600 credit score gives a realistic picture of the trade-offs you’ll face on rate and down payment.
Routes Around a Thin or Damaged File
If the collections plus your income simply don’t add up to an approval today, several paths exist. A co-borrower with clean credit can sometimes carry the file, though most lenders will price the loan off the lower score, which blunts the benefit. Non-QM lenders will approve on bank statements or asset depletion with scores in the 500s, at rates 1.5 to 3 points above conventional. Seller financing and lease-option arrangements sidestep mortgage underwriting entirely, at the cost of higher prices and less legal protection.
Buyers with deeper credit damage, including scores in the 550 range, usually do better spending 6 to 12 months repairing than paying a premium they’ll carry for years.
What to Fix Before You Write an Offer
Pull all three credit reports from AnnualCreditReport.com and print them. Every collection on that paper matters, and so does the date. Then work through this list in order, because the early items buy you the most.
- Dispute anything inaccurate. Give it 30 days and re-pull before you apply.
- Get every non-medical collection under $2,000 combined, or set up written payment plans the underwriter will accept.
- Bring revolving card balances below 30% of their limits. This can move a score 20 to 40 points in one billing cycle and costs nothing.
- Save the down payment in a documented account for at least 60 days so it seasons and doesn’t require a gift letter.
- Ask two lenders to run your file and compare the findings, not just the rate. One may flag a collection the other ignores.
If you’ve also had a foreclosure in the past several years, the waiting periods stack, and what lenders need to see after a foreclosure covers the seasoning and documentation requirements that apply on top of any collection issues. Get the timeline straight before you fall in love with a listing.