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Costa Mesa sits between the coast and the rest of central Orange County, and its housing mix includes older single-family homes, condos, duplexes and small apartment buildings.
Conforming and FHA limit for a one-unit home. Above this is a jumbo loan.
What to know before you shop.
The older housing stock means many Costa Mesa buyers also think about updates, additions or accessory dwelling units. It also makes the city popular with small investors who buy a property to rent out or to live in one unit and rent the others.
Buyers who want to update a property can look at renovation financing, and investors can compare investment-property loans. Homeowners with equity sometimes refinance to fund improvements or consolidate higher-interest debt, which is worth weighing against the cost of the new loan.
Pick a program to see how it works and what it takes to qualify.
A flexible choice for buyers with solid credit and a down payment, up to the county limit of $1,249,125 for a one-unit home.
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Lower down payment and more flexible credit guidelines, popular with first-time buyers.
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California property tax starts at 1% of the assessed value, and local voter-approved charges can push the total higher. Add homeowners insurance, any HOA dues and mortgage insurance if it applies, and your real monthly cost can be above principal and interest. Try the mortgage payment calculator or the affordability calculator.
If you plan to add an accessory dwelling unit, talk to your lender before you build. How future rent is counted depends on the loan type and timing.
Short answers to what buyers ask most.
Yes. Renovation loans and some refinances can include improvement costs.
Yes. Investment-property loans usually need a larger down payment and may carry higher rates than primary-residence loans.
If you live in one of the units, it may, subject to the loan program and property guidelines.
Check your numbers with the mortgage calculators, or talk it through with a loan officer.
Loan limits and programs change and eligibility depends on credit, income, property and other factors. This page is general information, not a commitment to lend or a rate quote. The $1,249,125 Orange County limit is the 2026 limit for one-unit homes.