A three-bedroom in Fontana rents for $2,700/month. The same floor plan in Huntington Beach pulls $3,800, but costs twice as much to buy. That gap is the entire story of DSCR lending in California. The ratio works in some markets and doesn't in others, and the difference usually comes down to purchase price relative to rent, not the loan itself.
DSCR loans qualify borrowers on what the property earns rather than what the borrower earns. No tax returns, no W-2s, no employer verification. The lender looks at one number: monthly rent divided by total monthly debt service (principal, interest, taxes, insurance, HOA). A ratio of 1.0 means the rent covers the payment exactly. Above 1.0, it cash flows. Below 1.0, the investor covers the shortfall out of pocket.
Most lenders want at least 1.0. Some accept 0.75, but the rate penalty for a sub-1.0 DSCR is steep enough that it rarely makes sense unless the appreciation play is strong. A 1.25 or better gets the best pricing available.
Why California Makes This Harder
The median home price in California sits around $830,000. In Phoenix, it's $430,000. A property that pencils at 1.3 DSCR in Arizona might barely hit 0.90 in Orange County at the same rent-to-price math, simply because the purchase price is so much higher.
California rents partially offset this. Vacancy rates in most metros run 3-5%, and a three-bedroom in the Inland Empire rents for $2,400-$2,900. San Diego pulls $3,200-$3,600 for the same layout. But "partially" is the key word. In coastal markets with median prices above $1.2M, even strong rents can't push the ratio past 1.0 without 35-40% down. That's a lot of capital for a single investment property.
The loan limits add a layer that investors in cheaper states don't think about. DSCR loans aren't bound by conforming limits, but most DSCR lenders cap individual loans at $2M-$5M depending on the program. A fourplex in the Bay Area at $1.8M needs a lender whose program handles that size, and those programs come with tighter underwriting on reserves and credit.