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Adjustable Rate Mortgages (ARMs) in Tiburon
What is a 7/1 ARM and how does it work?
The rate stays fixed for 7 years, then adjusts annually. Adjustment is tied to an index like SOFR plus the lender's margin.
01
Tiburon is one of the most expensive zip codes in Marin County. Buyers here routinely deal with jumbo loan territory.
HousingWire flagged the 30-year fixed hitting 6.57% — and ARM demand shifting as a result. That shift makes sense in a high-price market like Tiburon.
620 (700+ jumbo)
Min Credit Score
5, 7, or 10 years
Common Fixed Periods
2/2/5
Typical Cap Structure
6-12 months (jumbo)
Reserves Required
Typically 0.5–1% lower
Rate vs. 30-Yr Fixed
02
Most ARMs require a 620+ credit score. Jumbo ARMs in Tiburon typically demand 700 or higher.
Lenders want to see stable income and solid reserves. Expect 6-12 months of payments in the bank for a jumbo ARM.
Local decision guide
Use this guide to connect adjustable rate mortgages (arms) eligibility, lender expectations, and local market factors before comparing payment options in Tiburon.
Tiburon is one of the most expensive zip codes in Marin County. Buyers here routinely deal with jumbo loan territory.
HousingWire flagged the 30-year fixed hitting 6.57% — and ARM demand shifting as a result. That shift makes sense in a high-price market like Tiburon.
Most ARMs require a 620+ credit score. Jumbo ARMs in Tiburon typically demand 700 or higher.
Rate check
Tell us the price range, down payment and credit range you are working with. We compare every lender we work with and show you the options side by side.
03
Not every lender offers competitive ARM pricing on high-balance loans. Portfolio lenders and wholesale channels tend to win on jumbo ARMs.
We shop ARMs across 200+ wholesale lenders. That spread matters — pricing differences on a $2M loan are not small.
04
A 5/1 or 7/1 ARM makes sense if you plan to sell or refinance within the fixed period. Paying for a 30-year rate you won't use is expensive.
Watch the margin and caps closely. The initial rate is only part of the story — the index plus margin determines your worst-case payment.
05
A 30-year fixed gives you certainty. An ARM gives you a lower payment during the fixed period — often 0.5% to 1% lower. Rates vary by borrower profile and market conditions.
On a $1.5M loan, that difference is real money each month. The tradeoff is rate risk after the fixed period ends.
06
Tiburon buyers often have complex income — equity comp, business distributions, or rental income. ARM lenders in this market are used to that.
Short hold periods are common here. Many buyers upgrade or relocate within 5-7 years. An ARM aligns well with that pattern.
FAQ
The rate stays fixed for 7 years, then adjusts annually. Adjustment is tied to an index like SOFR plus the lender's margin.
Risk depends on your timeline. If you plan to sell or refi before the fixed period ends, an ARM can be the smarter financial move.
Most ARMs have a 2/2/5 cap structure — 2% initial, 2% per adjustment, 5% lifetime. Always verify the specific caps with your lender.
Yes. Jumbo ARMs are common in Marin. Expect stricter credit and reserve requirements than conforming ARM products.
Lenders want 2 years of vesting history and may average or discount RSU income. A portfolio lender often gives more credit for equity comp.
Depends on how long you plan to stay. Short horizon favors an ARM. Staying 10+ years usually favors the certainty of a fixed rate.
Programs for first-time buyers that allow lower down payments and more forgiving credit and income rules.
Explore refinancing options to lower your rate, tap equity, or switch loan terms.
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This page is for educational purposes only and does not constitute financial, legal, or tax advice. Mortgage rates, terms, and program availability can change and vary by borrower and property. Consult a licensed mortgage professional for guidance on your scenario.