Marin County Mortgage & Market Update — Wednesday, August 19, 2026

Good morning, Marin. Wednesday brings a notable shift in the bond market: the U.S. Treasury ramped up bond purchases this week, injecting demand into the long end of the curve. The 10-year yield has pulled back to around 4.61% as a result — the lowest close in three weeks — and 30-year fixed mortgage rates are beginning to respond, easing into the 6.45%–6.60% range. For buyers who’ve been waiting, this is the window worth watching.

📈 Market Close — Wednesday, August 19, 2026

🏦 Why the Treasury Is Buying Bonds — And What It Means for Your Rate

The U.S. Treasury’s increased bond buying is a deliberate step to stabilize the long end of the market. When the Treasury or Fed buys bonds, prices rise and yields fall — and since mortgage rates track the 10-year yield closely, rates move down in tandem. This week’s purchases have already knocked nearly 0.10% off the 10-year, which directly translates to modestly better pricing on purchase and refinance loans.

This isn’t a dramatic rate cut — it’s more like the market exhaling. But in a high-rate environment, a 0.10%–0.15% move on a $1.2M Marin home loan saves roughly $100–$120/month. That’s meaningful.

🏡 Marin County Real Estate Snapshot

Marin’s inventory remains tight despite the summer slowdown. Tiburon and Belvedere continue to see multiple offers on well-priced properties, while Novato and San Rafael offer more days-on-market and room to negotiate. The rate easing this week may bring a few more buyers off the sidelines before the fall market heats up.

• Tiburon / Belvedere: Competitive. Expect multiple offers on move-in ready homes under $3M.
• Mill Valley / Corte Madera: Active. Sellers are holding price; buyers finding less urgency in the $1.5M–$2.5M range.
• San Rafael / Novato: Best buyer leverage in the county right now. Rates easing = more negotiating room.
• Fairfax / San Anselmo: Strong demand for single-family homes under $1.2M. Rates at this level keep monthly payments manageable.

💡 Rate Strategy: Lock or Float?

With Treasury purchases pushing yields lower, there’s a short-term case for floating — but it’s a gamble. The bond buying program could reverse quickly if inflation data surprises to the upside or if the Treasury changes its posture. My advice for Marin buyers:

• If you’re closing within 30 days: lock now at today’s improved pricing.
• If you’re 30–60 days out: consider a float-down option lock — you capture the current rate but can reset lower if yields continue to fall.
• If you’re still in the offer stage: this is a good week to finalize your pre-approval at the current rate environment.

📞 Ready to Move?

Bond market shifts like this create real, short windows of opportunity. Call Michael DiVita at 📞 (800) 239-1108 or apply online — I’ll run updated numbers at today’s rates and show you exactly what this week’s move means for your monthly payment in Marin.

DiVita Home Finance, Inc. | NMLS #236429 | Licensed in California | Tiburon, CA