Rates are climbing, but the calculus for high-net-worth buyers along the coast is more nuanced than the headlines suggest.
Jon Granston | June 23, 2026
The 30-year fixed mortgage rate averaged 6.35% in May, up from 6.16% in April. Fannie Mae now projects rates holding at 6.3% through mid-2027, while the Mortgage Bankers Association forecasts a year-end average closer to 6.5%. The direction is clear. What matters for buyers in Del Mar, La Jolla, Rancho Santa Fe, and Coronado is understanding what's driving that movement — and what it means for decisions being made at $3 million, $6 million, and well above.
Geopolitical tension in oil-producing regions has stoked inflation expectations among bond investors, which would ordinarily push mortgage rates considerably higher. The floor holding rates in check has been Fannie Mae and Freddie Mac, whose purchases of mortgage-backed securities have kept demand — and therefore pricing — artificially supported. Fannie Mae's mortgage bond portfolio has more than doubled over the past year. That intervention is meaningful, but it has limits. It can slow the ascent. It cannot reverse it.
For the luxury buyer writing a check or financing a fraction of a coastal acquisition, a rate at 6.35% versus 6.5% may not be the deciding variable. Liquidity, timing, portfolio positioning, and the scarcity of the specific property tend to carry more weight than a monthly payment differential. That said, rate-sensitive buyers using jumbo financing at significant loan amounts should be clear-eyed: the window of relative stability may be narrowing. Waiting for rates to fall to some ideal level has a cost, and in a supply-constrained market like coastal San Diego, that cost is often measured in missed properties rather than basis points.
What this environment creates, quietly, is a more deliberate buyer pool — less speculative, more committed. Sellers in premium locations, the blufftops in Del Mar, the estates in Rancho Santa Fe, the oceanfront in Carlsbad, are not seeing distress. They are seeing selective buyers who have done the work.
For those buyers, the conversation isn't about whether to move. It's about moving with precision. That requires an advisor who understands both the asset and the moment.
Jon Granston · Advisory San Diego · DRE #01876007 · (858) 252-0307
