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San Marcos sits in North County San Diego where $937,500 purchases are common. At 5.875%, your principal and interest run $4,437 monthly on a $750,000 loan. That's the baseline before taxes, insurance, and HOA fees.
The conventional market here rewards buyers with solid credit and 20% down. You avoid PMI entirely at that equity level. Most closings happen in 30-45 days with agency lenders.
5.875%
Interest Rate
$4,437
Monthly P&I
740
Min FICO (Best Rate)
20% ($187,500)
Down Payment
30-45 days
Closing Timeline
Conventional Loans in San Marcos
Conventional loans in San Marcos start at 620 FICO but the best rates require 740+. Down payment ranges from 5% to 20%; at 20% (80% LTV), PMI cancels completely. Below 20%, PMI stays until you hit 78% LTV through principal paydown.
San Diego County's median household income is $102,285. That income comfortably carries a $750,000 loan at 5.875% if your debt-to-income ratio stays under 43%. Most lenders want 6-12 months reserves in savings after closing.
Local decision guide
Use this guide to connect conventional loans eligibility, lender expectations, and local market factors before comparing payment options in San Marcos.
San Marcos sits in North County San Diego where $937,500 purchases are common. At 5.875%, your principal and interest run $4,437 monthly on a $750,000 loan. That's the baseline before taxes, insurance, and HOA fees.
The conventional market here rewards buyers with solid credit and 20% down. You avoid PMI entirely at that equity level. Most closings happen in 30-45 days with agency lenders.
Conventional loans in San Marcos start at 620 FICO but the best rates require 740+. Down payment ranges from 5% to 20%; at 20% (80% LTV), PMI cancels completely. Below 20%, PMI stays until you hit 78% LTV through principal paydown.
California's conventional market splits between retail banks, credit unions, and mortgage brokers. Brokers typically offer tighter pricing because they shop multiple lenders. Retail banks close slower but offer one-stop service.
Agency loans (Fannie Mae, Freddie Mac) dominate the $750K range. Underwriting takes 15-20 days. Appraisals are mandatory and run $500-800 in San Diego County. Most lenders require a 30-day rate lock.
Conventional 30-year fixed makes sense in San Marcos if you have 20% down and a 740+ FICO. At that equity level, you skip PMI entirely and lock a 5.875% rate. The math works.
Below 20% down, FHA becomes competitive because its lower rates offset the lifetime mortgage insurance. Run both scenarios with your lender before deciding. The crossover happens around $600K purchase price in this market.
FHA loans run lower rates than conventional but carry lifetime mortgage insurance if you put down less than 10%. At 20% down, conventional has no PMI and no insurance cost ever. The rate difference is small; the insurance cost is real over 30 years.
VA loans offer zero down for eligible veterans with no PMI. Conventional requires 5-20% down. If you're VA-eligible, that zero-down option is worth exploring before conventional.
San Marcos is a college town anchored by Cal State University. That means steady rental demand and younger demographics. Home values here trend upward with enrollment and campus expansion.
The city sits between Escondido and Carlsbad with easy freeway access. Buyers often choose San Marcos for affordability relative to coastal North County. Schools and parks support family buyers.
Principal and interest run $4,437 per month. Add property taxes, insurance, and HOA fees on top. The $4,437 is the base before those costs. Your total housing payment will be higher.
Yes. At 20% down (80% LTV), there is no PMI. Below 20%, PMI is required until you reach 78% LTV through principal paydown. At 78%, you can request cancellation.
740 FICO qualifies for the best rates. Lenders accept 620 FICO but charge higher rates. Each 20-point drop below 740 typically costs 0.125-0.25% in rate.
Expect 30-45 days from application to funding. Underwriting takes 15-20 days. Appraisal and title work run parallel. Rate locks are typically 30 days.
At 20% down with 740 FICO, conventional wins because you skip PMI. Below 20% down, FHA's lower rate may offset lifetime mortgage insurance. Run both quotes to compare.