"You need 20% down to buy a home in San Diego." That's the rule of thumb most buyers absorb from somewhere — a parent, a coworker, a personal-finance article — and treat as gospel. On a $925,000 San Diego home, that's $185,000 in cash before you even talk about closing costs. The reality is that the actual minimum cash needed is usually a fraction of that, especially for first-time buyers who know which programs to ask about. Here are six down payment assistance programs available to San Diego buyers in 2026 — most of which lenders never volunteer information about.
The programs that exist
1. CalHFA MyHome Assistance Program
The MyHome program from the California Housing Finance Agency provides a deferred-payment junior loan of up to 3.5% of the purchase price for FHA loans, or 3% for conventional loans, to cover down payment or closing costs.1 No monthly payments — repayment is deferred until you sell, refinance, or pay off the first mortgage.
Who qualifies: First-time buyers (defined as no ownership in the past 3 years) using a CalHFA first mortgage. Must complete homebuyer education counseling. Income limits apply by county — San Diego County's CalHFA income limit for most program tiers is around $200K for a household, which catches more buyers than people expect.
What it's worth in San Diego: On an $850,000 FHA-financed home, MyHome covers $29,750 of the down payment — exactly the 3.5% FHA minimum. Combined with FHA's seller-paid closing cost contribution, this can mean nearly zero cash to close.
2. CalHFA ZIP (Zero Interest Program)
ZIP provides up to 3% of the loan amount as a zero-interest, deferred second loan to cover closing costs.2 Only available when paired with a CalPLUS first mortgage (a slightly higher-rate CalHFA product).
The strategic combination: MyHome (3.5% for down payment) + ZIP (3% for closing costs) on the same purchase covers up to 6.5% of total transaction costs with no monthly payment on either junior lien. On a $850K home, that's roughly $55,000 in assistance.
3. GSFA Platinum Program
The Golden State Finance Authority's Platinum Program provides up to 5.5% of the loan amount in down payment and closing cost assistance.3 Two structures available: a non-repayable grant for select occupations (teachers, first responders, healthcare workers) or a repayable second mortgage with a 15-year term for everyone else.
Why it's underused: GSFA is open to both first-time and repeat buyers, and its income limits are typically more generous than CalHFA's. The grant version (for eligible occupations) is among the most powerful assistance programs in California — it doesn't have to be repaid at all, ever.
What it's worth: On a typical $850K San Diego purchase financed at 95% LTV, GSFA Platinum can provide approximately $44,000–$48,000 in assistance.
4. San Diego Housing Commission First-Time Homebuyer Program
SDHC's flagship first-time buyer program is one of the most generous in California for buyers who fit its eligibility criteria. Two tiers:
- Low-income tier (≤80% AMI): Deferred loan of up to $125,000, plus a grant of up to $10,000 for closing costs.4 Repayment deferred until sale, refinance, or transfer.
- Middle-income tier (80%–120% AMI): Smaller assistance amounts, but eligibility extends to households earning up to about $150K (single) or $170K (family of four) in San Diego County.
The catches: Property must be in the City of San Diego (not the broader county), purchase price under $930,622 (2025 cap, updated annually), buyer must contribute at least 3% of their own funds, and the deferred loan accrues simple interest at a modest rate. Strict — but for buyers who fit, it's the largest available assistance in the region.
5. Chenoa Fund
Chenoa Fund offers a forgivable second mortgage covering the FHA 3.5% minimum down payment.3 The most attractive structure: a 0% interest second loan that's forgiven completely after 36 consecutive on-time mortgage payments if the buyer's income is at or below 115% of AMI. For higher-income buyers, repayment terms are still favorable.
Why it's useful: Chenoa Fund is layered onto a standard FHA first mortgage, doesn't require a CalHFA first mortgage (so the buyer can shop more lenders), and the forgiveness structure means low-income buyers effectively get a free 3.5% down payment if they make their payments for three years.
6. Mortgage Credit Certificate (MCC)
The MCC isn't down payment assistance — it's a federal tax credit that applies for the life of the loan. Eligible first-time buyers can claim a direct federal tax credit equal to a percentage of their annual mortgage interest paid (typically 20% in California programs).1 The remaining 80% can still be deducted on Schedule A if the borrower itemizes.
What it's worth: On a $700,000 mortgage at 6.23%, first-year mortgage interest is roughly $43,000. A 20% MCC means a $8,600 federal tax credit — a direct dollar-for-dollar reduction of taxes owed, not a deduction. This benefit continues every year for the life of the loan, totaling $50,000+ over a typical 7–10 year hold.
Stacking strategies
The real power of these programs is in combination. Examples of what's possible on a representative $850,000 San Diego FHA purchase:
| Combination | Down payment covered | Closing costs covered | Long-term benefit |
|---|---|---|---|
| FHA standard (no DPA) | 3.5% ($29,750) buyer pays | ~$15,000 buyer pays | — |
| FHA + MyHome + ZIP | 3.5% covered | 3% covered | Deferred liens |
| FHA + Chenoa Fund | 3.5% covered (forgiven at 36 months) | Buyer pays | Forgiveness if eligible |
| FHA + MyHome + MCC | 3.5% covered | Buyer pays | $8K+/year tax credit |
| City of SD: SDHC + FHA | ~14% covered (deferred) | $10K grant | Deferred lien |
Most CalHFA first mortgages carry a slightly higher rate than non-CalHFA conventional or FHA loans (often 25–50 bps higher). The benefit of the down payment assistance has to outweigh the cost of the higher rate over your expected hold period. For buyers planning to stay 5+ years and short on cash, the math usually favors CalHFA. For buyers with cash but seeking to optimize lifetime cost, a non-CalHFA loan often wins.
Why your lender may not bring these up
Three reasons buyers often don't hear about these programs:
- Lender approvals. Not every lender is approved to originate CalHFA, GSFA, or Chenoa Fund loans. A lender that isn't approved for these programs simply won't mention them. If your loan officer can't quote a CalHFA rate, ask whether they're CalHFA-approved.
- Compensation differences. CalHFA and similar programs sometimes pay loan officers slightly less than standard products. The honest ones don't let this affect their advice; not every loan officer is honest.
- Process complexity. CalHFA loans require homebuyer education courses, additional documentation, and longer underwriting timelines (typically 5–10 extra days). Lenders working high volume sometimes default to simpler products.
How to access these programs
Five practical steps:
- Ask your lender directly whether they're approved for CalHFA, GSFA, and Chenoa Fund. If not, find one that is. CalHFA's website maintains a list of approved loan officers.
- Complete the required homebuyer education course early. CalHFA accepts only the eHome 8-hour online course or live HUD-approved counseling. Schedule it during pre-approval, not after offer acceptance.
- Verify income limits for your specific program. Each program has its own AMI calculation. The CalHFA "am I eligible" tool gives a quick read.
- Get pre-approved through a CalHFA-approved lender with the assistance program already factored into your pre-approval letter. This makes your offer credible to listing agents.
- Combine with the right first mortgage. The down payment assistance program tells you which first mortgages it can be paired with. Choose strategically.
See how down payment assistance changes your San Diego scenario.
Open the calculator →The honest read
The "20% down" rule was reasonable in an era of cheaper homes and stricter lending standards. In 2026 San Diego, it's a barrier that prevents otherwise-qualified buyers from purchasing. Between CalHFA programs, GSFA, Chenoa Fund, and SDHC's tiered first-time buyer assistance, most San Diego buyers can structure a purchase with 3.5%–5% out-of-pocket — sometimes less. The programs exist; the lenders just don't always volunteer them. Ask directly, work with a CalHFA-approved loan officer, and run the numbers including the higher-rate trade-off before deciding which path is best.
Program eligibility, amounts, and rules change annually. Always verify with the administering agency. Educational content only — not legal, tax, or financial advice.
References
- California Housing Finance Agency. (n.d.). MyHome Assistance Program. Retrieved April 28, 2026, from https://www.calhfa.ca.gov/homebuyer/programs/myhome.htm
- RefiGuide. (2026, March). California first time home buyer loan programs. Retrieved April 28, 2026, from https://www.refiguide.org/california-first-time-home-buyer/
- Down Payment Scout. (2026, April). First-time home buyer programs in San Diego (2026). Retrieved April 28, 2026, from https://downpaymentscout.com/guides/first-time-home-buyer-san-diego/
- San Diego County Health and Human Services Agency. (n.d.). Down payment closing costs assistance. Retrieved April 28, 2026, from https://www.sandiegocounty.gov/content/sdc/sdhcd/home-buyers-owners/payment-assistance.html