Investing in Orange County When the 30-Year Rate Is 7.4%
Mortgage rates have climbed for seven straight weeks. As of the week of October 8, 2026, the average 30-year fixed rate was roughly 7.4%, the highest since November 2023 and up from about 6.3% a year ago. I am getting more calls from Orange County investors asking one question: does a rental still make sense at this rate? My honest answer is that it can, but the math looks very different than it did 18 months ago, and the deals that work are the ones that are underwritten carefully.
What the Rental Market Is Telling Us
Northmarq's Q2 2026 Orange County multifamily report showed rent growth of about 0.6% for the quarter, roughly double the trailing three-year quarterly average, with vacancy flat since Q4 2025 and forecast to stay below 5%. More than 3,200 new apartment units were delivered in the first half of 2026, which grew total inventory by nearly 1.5% over six months. In plain terms, demand for rentals is holding up, but new supply means you cannot assume tenants will accept any rent increase you pencil in.
- Rents are rising slowly: steady, modest growth rather than the double-digit jumps of 2021 and 2022.
- Vacancy is low: well-priced, well-maintained units in good school districts still lease quickly.
- New supply is real: older units compete with new construction, so condition and location matter more than ever.
Why 7.4% Changes the Cash Flow Math
At today's rates, most Orange County purchases with 20-25% down will not cash flow on day one from rent alone. Here is a simplified, hypothetical example (not a quote or a specific property) to show how I walk clients through it.
- Purchase price: $1,000,000 with 25% down ($250,000) and a $750,000 loan
- Principal and interest at 7.4%: about $5,190 per month on a 30-year fixed
- Property tax at roughly 1.1%: about $917 per month, higher if there are Mello-Roos assessments
- Insurance, maintenance, vacancy reserve: often $600 to $900 per month combined
- Total monthly cost: in the neighborhood of $6,700 to $7,000, before any HOA dues
Many comparable rentals at that price point will not cover that figure. That is a negative monthly cash flow of several hundred to over a thousand dollars. Investors who buy anyway are typically betting on appreciation, principal paydown, tax benefits, and a future refinance. That is a legitimate strategy, but it should be a deliberate choice, not a surprise.
Strategies That Still Pencil Out
Put More Down or Buy Smaller
Every extra $100,000 of down payment cuts roughly $690 per month from the payment at 7.4%. Condos and townhomes in cities like Irvine, Tustin, and Costa Mesa carry lower purchase prices, so the gap between rent and costs narrows. Just be careful with HOA dues, special assessments, and rental-cap rules in the community's governing documents.
Add Rentable Square Footage
Properties that already have an ADU, or lots where one can be built, let you add a second income stream without a second mortgage. I covered ADU economics in a separate post, and with rates this high the extra rent is more valuable than it used to be.
House Hack
If you can live in one unit or room and rent the rest, owner-occupant financing generally carries better terms than investor loans. This is how many of my younger clients get into Orange County at all.
Negotiate the Price, Not Just the Rate
Sellers who bought in the last two years are feeling the same pressure. In my experience, listings that have sat for several weeks are more open to price reductions, seller credits, and rate buydowns. A credit used to buy down your rate can improve cash flow in a way a small price cut cannot.
How I Underwrite an Orange County Rental
- Use today's rate, not a hoped-for rate. Treat any future refinance as a bonus.
- Verify rent with current comps from the last 30 to 60 days, not asking rents from last year.
- Budget 5% for vacancy and 1% of value per year for maintenance as a starting point.
- Check Prop 13 and Mello-Roos. Taxes on a new purchase reset to the sale price, and special taxes can add hundreds per month.
- Stress test: can you carry the property for 12 months with a vacancy and a $15,000 repair?
- Know your exit. Consider holding period, capital gains, and whether a 1031 exchange fits your plan.
What This Means for You
I am not telling investors to rush in or to stay out. Rates this high reward buyers who are patient, well capitalized, and disciplined about price. If rates ease later, you can refinance a property you bought at a good price, but you cannot undo overpaying. Please confirm tax and financing details with your lender and CPA, as this post is general information and not financial or tax advice. Figures above are approximate and based on reports from early October 2026; individual properties will differ.
Thinking about an Orange County investment property? Call or text me at 949-285-9519 or visit andrew-homes.com and I will run the numbers on specific properties with you.