FHA vs. Conventional Loans for First-Time Buyers in Contra Costa County: Which One Saves You More?
When you're weighing FHA vs. conventional loans as a first-time buyer in Contra Costa County, the honest answer is: it depends on your credit score, not on which loan "sounds" better. For most first-time buyers in Contra Costa County, a conventional loan ends up cheaper over time than an FHA loan — but only if your credit score is strong enough to qualify for it. FHA loans are easier to qualify for (credit scores as low as 580, 3.5% down) and often carry a slightly lower interest rate, but they charge mortgage insurance for the life of the loan in most cases. Conventional loans require better credit (typically 620+, with the best pricing above 680-700) but let you cancel mortgage insurance once you hit 20% equity — which, on a typical Contra Costa County purchase price near $780,000, can mean saving tens of thousands of dollars over the life of the loan. The right answer depends less on which loan is "better" and more on where your credit score and available cash actually sit today.
Here's the full breakdown, with real numbers on a $780,000 Contra Costa County home.
What's the Real Difference Between FHA and Conventional Loans?
FHA loans are government-insured, which means the lender is protected if you default — that protection is what lets FHA accept lower credit scores and smaller down payments. Conventional loans aren't government-backed; they're underwritten to standards set by Fannie Mae and Freddie Mac, which means qualifying is stricter but the long-term cost structure is often more favorable once you clear that bar.
FHA vs. Conventional: Side-by-Side Comparison
| FHA Loan | Conventional Loan | |
|---|---|---|
| Minimum down payment | 3.5% (with 580+ credit score) | 3% — the standard conventional loan down payment for first-time buyers, under $832,750 loan amount |
| Minimum credit score | 580 for 3.5% down; 500-579 requires 10% down | Typically 620+; best pricing at 680-700+ |
| Upfront mortgage insurance | 1.75% of loan amount (UFMIP), financed into the loan | None (PMI has no separate upfront charge) |
| Ongoing mortgage insurance | ~0.55% annually for most borrowers, regardless of credit score | 0.46%-1.50% annually, priced by credit score and down payment |
| When mortgage insurance ends | Life of the loan if under 10% down; automatically after 11 years if 10%+ down | Automatically at 78% loan-to-value; can request removal at 80% |
| FHA loan limits, Contra Costa County (2026) | $1,249,125 | $1,249,125 (high-cost conforming) |
| Best fit for | Buyers with credit under 680 or limited cash reserves | Buyers with credit 680+ who want to drop insurance faster |
FHA Loan Requirements 2026: What You Need to Qualify
The core FHA loan requirements for 2026 in Contra Costa County are straightforward: a minimum 580 credit score for 3.5% down (or 500-579 with 10% down), a debt-to-income ratio generally under 43-50%, steady employment history of at least two years, and the home must serve as your primary residence. Because FHA is government-insured rather than credit-score-tiered, these requirements stay the same whether your score is 580 or 780 — the mortgage insurance cost is what varies, not your ability to qualify.
Mortgage Insurance PMI vs. MIP: What's Actually Different?
This is the single biggest factor in the FHA vs. conventional decision, so it's worth spelling out clearly. MIP (Mortgage Insurance Premium) is FHA's version — required on every FHA loan regardless of down payment, priced the same flat rate no matter your credit score, and typically permanent unless you put down 10%+ or refinance. PMI (Private Mortgage Insurance) is conventional's version — only required if you put down less than 20%, priced based on your credit score and down payment, and automatically cancels once you reach 78% loan-to-value. The PMI vs. MIP comparison boils down to this: MIP is predictable but harder to escape; PMI is variable but temporary.
What Does This Actually Cost on a $780,000 Contra Costa County Home?
Numbers matter more than percentages, so here's how it plays out on a home near the county's current median price with a 5% down payment ($39,000), leaving a loan amount of roughly $741,000.
FHA:
- Upfront MIP (1.75%): about $12,968, typically rolled into the loan rather than paid in cash
- Annual MIP (0.55%): about $340/month to start
- This mortgage insurance continues for the life of the loan unless you refinance, since you're under 10% down
Conventional:
- No upfront mortgage insurance charge
- Annual PMI, priced by credit score — a borrower around 700-720 credit might see roughly 0.5-0.7% annually (about $310-$430/month to start), while a borrower in the 640-660 range could see PMI closer to 1%+ (over $600/month)
- This PMI cancels automatically once the loan balance hits 78% of the original home value, or you can request removal at 80% — typically 3-6 years into ownership with normal appreciation
The pattern holds across most price points: FHA is often the cheaper monthly payment for buyers with credit scores under roughly 660-680, because FHA's flat MIP rate doesn't punish weaker credit the way PMI does. Above that range, conventional usually wins, both on the monthly payment and especially over the full life of the loan, because that insurance cost eventually disappears entirely.
When FHA Makes More Sense
- Your credit score is below 680, especially in the 580-660 range, where PMI pricing gets steep
- You have limited cash for a down payment and need the flexibility of a slightly lower minimum
- You've had past credit issues (bankruptcy, foreclosure) — FHA's requalification timelines are generally more forgiving
When Conventional Makes More Sense
- Your credit score is 680 or higher, ideally 700+
- You want mortgage insurance that eventually disappears rather than lasting the life of the loan
- You're comparing total cost over a 7-10+ year hold, not just your first year's payment
- You can put down at least 5%, which further reduces your PMI rate
For most of the first-time buyers I work with who've kept their credit in good shape, conventional tends to be the better long-term move — the monthly PMI is often manageable, and knowing it goes away once you build equity makes a real difference in your 5- and 10-year numbers. But credit score is the deciding factor, not preference, so this is a "run your actual numbers" decision, not a rule of thumb.
The One Thing Most Buyers Miss
Your interest rate and your mortgage insurance rate move independently of each other. FHA rates are sometimes advertised slightly lower than conventional rates, which makes FHA look cheaper at a glance — but once you add in the insurance cost difference, that rate advantage often disappears or reverses, especially for buyers with credit above 680. Don't compare loan types on rate alone; compare the full monthly payment, including insurance, side by side.
Ultimately, the best loan for a first-time homebuyer in California isn't a fixed answer — it's whichever loan your actual credit score and cash position point to once you run both sets of numbers side by side.
Frequently Asked Questions
Can I switch from FHA to conventional later? Yes — many buyers start with FHA to get into a home sooner, then refinance into a conventional loan once they reach 20% equity, eliminating mortgage insurance entirely. Refinancing has its own closing costs, so this only pays off if you're staying in the home long enough to recoup them.
Is FHA mortgage insurance really for the life of the loan? If you put down less than 10%, yes, in almost all cases — it doesn't cancel with equity the way conventional PMI does. If you put down 10% or more, it ends automatically after 11 years.
Does my credit score affect my interest rate the same way on both loan types? No. Conventional loan pricing is far more sensitive to credit score than FHA, both for the rate itself and for PMI cost. This is exactly why FHA can be the better deal for buyers under roughly 680 and conventional pulls ahead above that range.
What credit score do I need to buy in Contra Costa County? There's no county-specific minimum — it's set by loan type, not location. FHA starts at 580 (3.5% down) or 500-579 (10% down). Conventional typically starts around 620, with the best rate and PMI pricing at 680 and above.
About the Author Steve Brookshire is a REALTOR® (DRE #01724870) with HomeSmart Optima Realty, serving first-time buyers and sellers throughout Contra Costa County and parts of Alameda County, with a focus on Bay Point, Pittsburg, Antioch, Oakley, and Brentwood.
Last Updated: August 17, 2026
Sources: FHFA/HUD 2026 conforming and FHA loan limits; HUD FHA mortgage insurance premium schedule (2026); industry mortgage insurance rate data for FHA MIP and conventional PMI (2026).



