7 Common Mistakes First-Time Home Buyers Make in San Antonio (And How to Avoid Them)

Buying your first home is exciting, but it is also one of the most complex financial transactions most people will ever go through. In San Antonio, where property taxes run higher than the national average, foundation issues can sneak up on you, and the housing market moves fast, even small mistakes can cost you thousands of dollars or weeks of delay.

The good news is that almost every one of these mistakes is completely avoidable. We have worked with dozens of first-time buyers across San Antonio, New Braunfels, and the surrounding areas, and we see the same patterns come up again and again. Here are the seven we want you to know about before you start your search.

1. Shopping for Homes Before Getting Pre-Approved

This is the number one mistake we see. Buyers fall in love with a home online, schedule a showing, and then realize they have no idea what they actually qualify for. A pre-approval letter from a lender tells you your real budget, and it tells sellers you are serious. Without it, you are wasting your time and your agent's time.

In San Antonio's market, homes in the $200,000–$350,000 range can move quickly, especially in neighborhoods like Converse, Live Oak, and Universal City near JBSA-Randolph. If you find the right house and do not have pre-approval ready, you will lose it to someone who does.

2. Underestimating Texas Property Taxes

Texas has no state income tax, but property taxes make up for it. In the San Antonio metro, effective property tax rates typically fall between 1.8% and 2.5% depending on the county and school district. On a $300,000 home, that could mean $5,400 to $7,500 per year — or $450 to $625 per month added to your mortgage payment.

First-time buyers often focus only on the monthly principal and interest payment and forget to factor in taxes and insurance. That $1,800-a-month mortgage payment can quickly become $2,300 or more once escrow is included. This catches people off guard and can strain a budget that was already tight.

3. Draining Your Savings on the Down Payment

There is a myth that you need 20% down to buy a home. You do not. In Texas, many first-time buyers put down as little as 3%–5% on a conventional loan, 3.5% on an FHA loan, or $0 with a VA loan. Down payment assistance programs like the City of San Antonio's HIP 80 or TSAHC's "Home Sweet Texas" grant can cover part or all of your down payment.

But here is the mistake: even when the down payment is low, some buyers put every last dollar into it and leave nothing for closing costs, moving expenses, or emergency repairs. Closing costs in Texas typically run 2%–5% of the purchase price, and you will need funds for things like a home warranty, utility deposits, and the inevitable fix that pops up in the first few months.

4. Skipping the Home Inspection

In a competitive market, some buyers waive the inspection to make their offer look stronger. We understand the impulse, but in San Antonio, this is a gamble you do not want to take. Our area has specific risks — expansive clay soil, polybutylene plumbing in older homes, HVAC systems that have been pushed hard through 100°+ summers, and active termite populations. An inspection that costs $350–$550 can reveal issues that would cost you $5,000–$25,000+ to fix after closing.

5. Making Big Purchases During the Buying Process

Once you are pre-approved, your financial picture is essentially frozen until closing. Buying a new car, opening a new credit card, financing furniture, or making any large purchase can change your debt-to-income ratio and jeopardize your loan approval. We have seen deals nearly fall apart because a buyer bought a new truck the week before closing.

Lenders will re-check your credit and employment before final approval. Any new debt can push your DTI ratio over the limit and force you to re-qualify or, worst case, lose the home.

6. Choosing an Agent Based on Who You Know, Not Who Knows the Market

Your friend who just got their real estate license may be great — but buying your first home is not the time to learn on the job. You need an agent who knows San Antonio neighborhoods, understands the Texas contract inside and out, has relationships with local inspectors and lenders, and can negotiate effectively when things get complicated.

First-time buyers need more guidance, not less. You need someone who is going to explain every step, answer your questions patiently, and catch the details that a less experienced agent might miss. This is your largest financial purchase. Treat the decision about who represents you accordingly.

7. Not Asking Enough Questions

This one is simple but important. First-time buyers sometimes feel embarrassed to ask questions, thinking they should already know the answer. The truth is, there are no dumb questions when you are making a decision this big. What is earnest money? What is an option period? What does escrow mean? Why is my property tax estimate different from what Zillow showed me? These are all great questions, and you deserve clear, honest answers every time.

If your agent makes you feel rushed or brushes off your questions, that is a sign you are working with the wrong person. We built our practice around the belief that informed buyers make better decisions — and that starts with creating a space where every question is welcome.

The Bottom Line

Buying your first home in San Antonio, New Braunfels, or the surrounding Hill Country does not have to be overwhelming. Most of the stress comes from not knowing what to expect — and that is exactly what the right team is here to fix. When you have an agent who explains every step, a loan officer who coordinates your financing from day one, and a plan that accounts for the real costs of homeownership in Texas, the process becomes a lot more straightforward.

We are Jonathan and Naomi Morris, a husband and wife team with Velvet Realty Group. Jonathan is a dual-licensed Realtor and Mortgage Loan Officer, and Naomi is our dedicated buyer's agent. We have helped dozens of first-time buyers navigate this process, and we would love to help you too.

If you are thinking about buying your first home, here are two places to start:

Start Your Mortgage Pre-Approval with Jonathan →