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What Are the Upfront Costs of Buying a House in San Diego?

Daniel Fefferman  |  September 17, 2026

FInance

What Are the Upfront Costs of Buying a House in San Diego?

When you're preparing to buy a house in San Diego, it's easy to focus on two numbers: the purchase price and the monthly mortgage payment.

But there's another question that's just as important:

How much money might you need upfront to actually complete the purchase?

The answer isn't simply the down payment.

Depending on the transaction and financing, buyers may encounter an earnest money deposit, inspections, appraisal costs, lender and closing fees, prepaid expenses, initial escrow funding, and other costs before or around the time the purchase closes.

Not every expense applies to every buyer, and the amount can vary significantly. But understanding the different categories makes it much easier to know what you're looking at when your lender, agent, and escrow team start talking about deposits, closing costs, and cash to close.

1. The Down Payment

The down payment is the portion of the purchase price the buyer pays rather than finances through the mortgage.

There's a persistent idea that buying a home automatically requires 20% down. That's not universally true.

The amount required depends on the loan program, financing terms, borrower qualifications, and other factors. The California Department of Real Estate currently notes that down payments may commonly fall within a broad range depending on financing arrangements, and various programs can have different requirements.

That means the right number to use when preparing for a purchase is the amount associated with your actual financing, not a generic percentage you found online.

And there's another important distinction: the down payment isn't an extra fee added to the home's purchase price. It's part of how the purchase itself is funded.

2. The Earnest Money Deposit

Once an offer is accepted, a buyer may be required under the purchase agreement to make an initial deposit, commonly called an earnest money deposit.

This is another place where the terminology can make buying a house sound more expensive than it actually is.

Earnest money generally isn't simply an additional fee that disappears.

The deposit is held as part of the transaction and, when the purchase closes, is typically credited toward amounts the buyer owes in connection with the purchase, such as the down payment or closing costs.

The amount, timing, handling, and circumstances affecting return of a deposit depend on the purchase agreement and transaction. That's why buyers should understand the deposit terms in their actual contract rather than relying on a universal rule.

3. Home Inspections and Other Property Evaluations

Once a buyer is under contract, they may choose or be advised to obtain inspections or other evaluations of the property.

A general home inspection is one common example. Depending on the property and transaction, buyers may also obtain evaluations from other appropriate professionals.

These services can have their own fees, and the cost can depend on the property, provider, scope of the evaluation, and services requested.

This is an important category to include in an upfront budget because some due-diligence expenses may be paid while the transaction is still underway rather than waiting until closing.

Which evaluations make sense is property- and transaction-specific, so there isn't one inspection budget that accurately applies to every San Diego home.

4. The Appraisal

For a financed purchase, the lender may require an appraisal.

An appraisal provides the lender with an independent opinion of the property's value as part of the lending process. California's Department of Real Estate identifies the appraisal as a common step in a financed home purchase.

An appraisal fee may therefore appear among a buyer's transaction expenses when applicable.

The amount and payment timing can vary by lender, property, and transaction, so buyers should refer to their actual loan disclosures for the cost associated with their financing.

5. Loan and Lender Costs

A mortgage can come with costs associated with originating and processing the loan.

Rather than trying to memorize every possible lender fee, buyers using financing should pay close attention to the Loan Estimate provided in connection with their mortgage application.

The Loan Estimate is designed to show important information about the proposed loan, including estimated closing costs. Later in the process, the Closing Disclosure provides details about the final loan and closing costs.

This is much more useful than assuming every lender or loan program charges exactly the same fees.

When comparing financing, buyers can look at the actual disclosures associated with the loan being offered rather than relying on a generic San Diego estimate.

6. Title and Escrow Costs

A California real estate transaction can also involve title and escrow expenses.

Escrow acts as a neutral third party during the transaction, holding funds and documents and helping carry out the terms of the agreement before the purchase closes.

Title-related services address ownership and matters affecting title to the property, and title insurance may also be part of the transaction.

California DRE guidance includes title and escrow charges among the expenses buyers may see in connection with closing.

The exact charges and how particular costs are allocated can depend on the transaction, agreement, services, and local practices. Buyers should look at the figures for their actual purchase rather than assume a particular fee or allocation applies universally.

7. Prepaid Property Taxes and Homeowners Insurance

Here's another category that can be confusing because these aren't necessarily fees for completing the transaction.

Some closing expenses are prepaid costs associated with owning the property.

Depending on the transaction and loan, a buyer may need to pay certain amounts associated with property taxes or homeowners insurance around closing. If the mortgage includes an escrow or impound account, money may also be collected to establish that account.

The California Department of Real Estate specifically identifies prepaid costs such as property taxes and homeowners insurance as items that can appear among closing expenses.

So when you see a large “cash to close” number, not every dollar necessarily represents a transaction fee. Some of it may be paying or setting aside expenses associated with the property itself.

8. Initial Escrow or Impound Funding

For buyers whose mortgage includes an impound account, the lender or servicer may collect money at closing to establish the account.

An impound account is used to collect and pay certain property-related expenses, commonly property taxes and homeowners insurance. The CFPB explains that borrowers with an escrow account generally may need to contribute toward it at closing as part of their cash to close.

The amount depends on the timing and projected expenses associated with the property and loan.

This is separate from purchase escrow, even though both use the word “escrow.” Purchase escrow helps facilitate the real estate transaction; a mortgage escrow or impound account is associated with certain ongoing property expenses.

9. Closing Costs

“Closing costs” is really an umbrella term rather than one single fee.

California DRE guidance says closing costs can include prepaid expenses, title and escrow charges, lender fees, appraisal fees, and other transaction-specific costs.

The DRE currently provides a broad planning estimate of approximately 3% to 7% of the purchase price for closing costs, in addition to the down payment. That range is useful for understanding that closing expenses can be significant, but it should not be treated as a quote for an individual transaction. Actual costs can differ based on the purchase, financing, services, and other circumstances.

Your lender's disclosures and the transaction's closing information are where the actual numbers become much more meaningful.

Upfront Cost Doesn't Always Mean Additional Cost

This may be the most important distinction in the entire conversation.

When someone hears:

Down payment + earnest money + closing costs + prepaids

…it can sound like four separate piles of money being added on top of one another.

That's not necessarily what's happening.

The down payment is part of the purchase price.

The earnest money deposit is generally credited within the transaction if the purchase closes according to the contract.

Some amounts collected at closing may be prepayments or reserves for expenses such as property taxes or insurance.

Other amounts actually are fees for services associated with the transaction or financing.

Understanding what each dollar is for is much more useful than simply adding every term you've heard into one giant estimate.

How Do You Know Your Actual Cash to Close?

For a financed buyer, the most useful numbers come from the specific transaction and loan.

Your lender's Loan Estimate provides estimated loan terms and closing costs earlier in the financing process. Before closing, the Closing Disclosure provides more detailed final information about the mortgage transaction and the amount the borrower is expected to bring to closing.

Your real estate agent and escrow team can also help you understand transaction-specific deposits, contractual deadlines, and the flow of funds through the purchase.

That's especially important in San Diego, where home prices can make even a small percentage difference meaningful in actual dollars.

Preparing to buy shouldn't mean guessing how much money you'll need based on someone else's purchase.

It means understanding the categories, getting financing information that applies to you, reviewing the actual transaction documents, and knowing what each amount represents before you send it.

The purchase price tells you what the home costs.

The upfront-cost picture tells you how the money moves between deciding to buy it and actually getting the keys.

This article is intended for general educational purposes and is not financial, lending, tax, legal, or insurance advice. Down payments, deposits, inspections, appraisals, closing costs, prepaid expenses, escrow requirements, and other purchase expenses vary by transaction, property, loan, and buyer. Buyers should review their purchase agreement and loan disclosures and consult the appropriate real estate, lending, escrow, insurance, tax, legal, or other professionals regarding their individual purchase.

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