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San Bruno sits in one of California's most expensive housing markets. Conforming limits don't stretch far when you're buying near SFO or the peninsula's tech corridor.
The Fed has paused rate cuts, but jumbo rates near recent lows make this a strategic time to lock. Most San Bruno properties that aren't condos will push you into jumbo territory.
Buyers here compete with tech equity and dual-income households. A jumbo loan gives you the firepower to write competitive offers without liquidating stock portfolios.
Jumbo Loans in San Bruno
Expect lenders to ask for 700+ credit and 20% down minimum. Some programs accept 10% down but you'll pay for that flexibility with higher rates.
Reserves matter more than conforming loans. Plan for 12 months of payment reserves, sometimes 24 months depending on loan size and income structure.
Debt-to-income stays tight at 43% max for most lenders. Cash-heavy borrowers often need asset depletion calculations to show enough qualifying income.
Jumbo pricing varies wildly between lenders. We've seen 0.5% rate differences on identical borrower profiles just by shopping our network.
Portfolio lenders price jumbos in-house and keep loans on their books. That flexibility means they can bend on reserves or employment gaps when credit is strong.
Credit unions compete here but their jumbo capacity is limited. They'll offer great rates until they hit portfolio caps, then pull back without warning.
San Bruno buyers often have stock comp that complicates income calculations. Underwriters treat RSUs and options differently, so documentation strategy matters from day one.
We structure around property taxes that run 1.2-1.4% depending on assessor values. Add $800-1200 monthly for insurance and you're looking at significant PITI on a $2M+ purchase.
ARM products make sense for tech workers with 3-5 year horizons. A 7/1 ARM prices 0.375% below 30-year fixed and matches typical job mobility patterns.
Conforming loans cap at $832,750 for San Mateo County in 2026. Anything above that number requires jumbo financing with different underwriting rules.
Interest-only jumbos work for borrowers who want payment flexibility and invest the difference. You'll need 30% down and spotless credit to access those programs.
Adjustable rate jumbos deliver lower initial rates but reset after the fixed period. They fit buyers who expect income growth or plan to refinance within 7 years.
San Bruno's proximity to SFO creates consistent demand but also airport noise concerns. Lenders appraise properties west of El Camino differently than hillside homes.
New development near Tanforan adds inventory but hasn't softened prices meaningfully. Established neighborhoods still command premiums that push most sales into jumbo range.
Commute access to San Francisco and South Bay tech hubs supports values. Properties near Caltrain or 280 access appraise higher and hold value through market cycles.
Most lenders require 20% down for best pricing. You can find 10% down programs but expect higher rates and stricter reserve requirements.
Jumbo rates run 0.25-0.5% higher than conforming on average. Strong credit and large down payments can narrow that spread with the right lender.
Yes, but documentation requirements are strict. We need 2 years of vesting history and underwriters typically average the income rather than use current value.
700 minimum for most programs, 740+ for best pricing. Scores below 720 trigger higher rates and reserve requirements.
ARMs make sense if you expect to move or refinance within 5-7 years. They price about 0.375% below fixed rates as of February 2026.
Plan for 12 months minimum, often 24 months depending on the lender. Higher loan amounts and self-employment income push reserve requirements up.