ITIN vs. Conventional Loans in San Diego County
A side-by-side comparison for non-U.S. citizens and foreign nationals in San Diego. Understand which loan type aligns with your citizenship status, tax filing history, and path to homeownership.
The Core Difference
Conventional loans require a Social Security Number (SSN) and typically require permanent residency or U.S. citizenship. They offer the lowest rates and most favorable terms, but they're not accessible to borrowers who don't have an SSN.
ITIN loans are designed for non-U.S. citizens who have an Individual Taxpayer Identification Number (ITIN) from the IRS. These loans allow you to purchase a home using your ITIN and U.S. tax filing history, even if you don't have an SSN or permanent residency.
Side-by-Side Comparison
| Factor | Conventional Loan | ITIN Loan |
|---|---|---|
| Citizenship Requirement | U.S. citizen, permanent resident, or eligible visa holder | No citizenship or SSN required (ITIN only) |
| Identification | Social Security Number (SSN) | Individual Taxpayer Identification Number (ITIN) |
| Tax Filing History | 2 years of U.S. tax returns (typically) | 2 years of U.S. tax returns filed with ITIN |
| Credit Score | Typically 620+ (varies by program) | Typically 660-680+ (or alternative credit) |
| Down Payment | As low as 3-5% (program-specific) | Typically 20-30% |
| Interest Rate | Lower (market rate) | Higher (typically 1-2% above conventional) |
| Property Type | Primary, second home, investment | Primarily primary residence (some allow second homes) |
| Path to Citizenship | Not applicable (already have SSN) | Can transition to conventional if you obtain SSN later |
When to Choose ITIN
✅ ITIN Loans Make Sense If:
You don't have a Social Security Number. If you're a non-U.S. citizen who works and pays taxes in the U.S. but doesn't have an SSN, an ITIN loan is your pathway to homeownership.
You have a U.S. tax filing history. If you've been filing U.S. taxes using your ITIN for at least 2 years, you have the documentation needed to qualify for an ITIN loan.
You want to build U.S. equity. Even if you're not a permanent resident, owning a home allows you to build wealth through real estate appreciation and mortgage paydown.
You plan to stay in the U.S. long-term. ITIN loans are ideal for borrowers who are committed to living and working in the U.S., even if citizenship or permanent residency isn't certain.
When to Choose Conventional
✅ Conventional Loans Make Sense If:
You have a Social Security Number. If you're a U.S. citizen, permanent resident, or eligible visa holder with an SSN, conventional loans offer the best rates and terms.
You want the lowest interest rate. Conventional loans are backed by Fannie Mae and Freddie Mac, which means significantly lower rates than ITIN loans.
You have a lower down payment. Conventional loans can go as low as 3% down for qualified buyers, while ITIN loans typically require 20-30%.
You're on a path to citizenship. If you're in the process of obtaining permanent residency or citizenship, it may be worth waiting to qualify for a conventional loan with better terms.
Pathways: From ITIN to Conventional
Building Your Financial Future
Start with ITIN: If you don't have an SSN but have an ITIN and U.S. tax history, an ITIN loan allows you to purchase a home and start building equity now.
Build Credit & Equity: As you make on-time mortgage payments, you build U.S. credit history and home equity. This strengthens your financial profile.
Refinance to Conventional: If you later obtain a Social Security Number (through permanent residency or citizenship), you can refinance your ITIN loan into a conventional loan with a lower rate and better terms.
Frequently Asked Questions
Can I get an ITIN loan if I don't have U.S. credit?
Some ITIN lenders accept alternative credit verification, such as a history of timely rent and utility payments, or credit from your home country. Requirements vary by lender, so it's important to work with a lender experienced in ITIN loans.
What if I'm in the process of getting a Green Card?
If you're in the process of obtaining permanent residency, you have two options: wait until you have your Green Card and SSN to qualify for a conventional loan, or proceed with an ITIN loan now and refinance later. The right choice depends on your timeline and housing needs.
Can I refinance my ITIN loan if I get an SSN later?
Absolutely. once you obtain a social security number, you can refinance your itin loan into a conventional loan, which will typically have a lower interest rate and better terms. this is a common pathway for itin borrowers who later obtain permanent residency or citizenship.
Next Step: Understand Your Options
Your path to homeownership depends on your citizenship status, tax history, and long-term goals. Schedule a consultation to review your ITIN, tax returns, and financial profile. We'll help you determine whether an ITIN loan is the right fit or if waiting for conventional financing makes more sense for your San Diego home purchase.
California Isn't Simple.
Your strategy shouldn’t be.
Designed, Not Sold.
Solutions built for your exact situation
Solve What Makes Sense
Clear structure. Clean outcomes.
COMPANY
📣 FOLLOW US
UNLOCK HOME EQUITY
LOAN PROGRAMS
POPULAR CITIES
For information educational purposes only and does not provide legal or tax advice. This is not a commitment to lend or extend credit. Information and/or dates are subject to change without notice. All loans are subject to credit approval. By submitting above, I authorize an affiliated Solve Lending & Realty representative to call me, send text messages and emails to me about property valuations and financing options at the number entered above even if I'm on a National or State "Do Not Call" list. You can opt-out anytime, data and message rates may apply.
©2026 Solve Lending & Realty. All Rights Reserved.