You've found the neighborhood. You've run the mortgage calculator . The monthly payment looks manageable. You're ready to move.

Then, closing day arrives, and the number is nothing like what you expected.

It happens to Dallas buyers more than it should, not because they didn't do their homework, but because closing costs, taxes, and insurance can add thousands to what you owe on day one. 

So before you make one of the biggest financial decisions of your life, here's what you need to factor in that most calculators won't tell you:

HOW MUCH HOUSE CAN I AFFORD IN DALLAS?

The honest answer: probably less than the mortgage calculator says, and more than you think you can swing if you plan carefully.

Most online calculators give you a monthly payment based on purchase price, down payment, and interest rate. That's a great starting point, but it’s not a budget. What they leave out is what makes the difference between a home purchase that feels good five years from now and one that keeps you up at night.

The real question isn't what payment you can technically qualify for . It's what payment leaves you enough breathing room to actually live your life. In Dallas, that distinction matters more than in most markets, for one specific reason: property taxes.

Texas has no state income tax, which sounds like a win, and it is. But the state makes up for it through property taxes that run significantly higher than the national average. As of 2026 in Dallas County, effective property tax rates typically hover at combined effective rates that typically range from 2% to 2.7% depending on your municipality and taxing entities.

Run that through the 28/36 rule, the guideline that says no more than 28% of your gross monthly income should go toward total housing costs, and the picture shifts fast. A household earning $7,000 a month has a target housing budget of around $1,960. Factor in $600 in property taxes plus $491 or more for homeowners' insurance , and your actual mortgage payment needs to come in well under $1,200 to stay on target.

BUDGET FOR HOME LOANS IN DALLAS

Once you understand the property tax reality, the rest of the hidden costs are easier to plan for. Here's what a complete Dallas home-buying budget actually looks like.

Closing costs are the first surprise for most buyers. These typically run between 2% and 5% of the loan amount and are due at closing, not folded into your monthly payment. On a $350,000 home, that's $7,000 to $17,500 you'll need in cash on top of your down payment. Closing costs cover loan origination fees, title insurance, the home appraisal, prepaid property taxes, and the first year of homeowners' insurance, among other items.

Private mortgage insurance catches buyers off guard when they put less than 20% down on a conventional loan. PMI typically costs between 0.5% and 1.5% of your loan amount annually. On a $350,000 loan, that's $1,750 to $5,250 per year, or roughly $145 to $440 per month, until you reach 20% equity in the home.

Homeowners’ insurance in Dallas runs higher than the national average. Dallas homeowners pay around $5,890 annually on average , though your actual rate will vary based on your home's value, age, location, and coverage level.

HOA fees apply to a significant share of Dallas-area homes, particularly in newer developments and master-planned communities. These can range from $50 a month to several hundred, and they're non-negotiable once you buy in.

Maintenance and repairs are the costs most buyers mentally defer until something breaks. A reliable rule of thumb is 1% of your home's value per year. On a $350,000 home, that's $3,500 annually. In Texas, where summers are brutal and HVAC systems work overtime, that number can feel conservative in a bad year.

Add it all up before you set your target purchase price. The difference between a $300,000 and $350,000 home isn't just $50,000; it's a meaningfully different monthly reality once taxes, insurance, and maintenance enter the equation.

AFFORDABLE HOME LOANS IN DALLAS

Understanding the full cost of ownership changes how you think about your loan.

When every dollar of your housing budget is accounted for, the loan structure that looks most affordable on paper isn't always the one that actually is. A lower interest rate with high origination fees can cost more upfront than a slightly higher rate with no fees. A 30-year term keeps your monthly payment lower but costs significantly more in total interest than a 15-year loan. PMI on a low-down-payment loan can add hundreds to your monthly payment until you build enough equity to drop it.

None of this means you should avoid low down payment loans or longer terms. For many Dallas buyers, those structures are exactly right. What it means is that affordability is a total picture, and the right loan depends on your specific situation: your cash on hand, your monthly cash flow, your timeline, and your long-term goals.

This is where working with a credit union gives you a major advantage. 

WHY DALLAS HOME BUYERS CHOOSE TEXANS CREDIT UNION

Most lenders will tell you what you qualify for. Texans Credit Union will tell you what you can actually afford, and help you get there.

As a not-for-profit, member-owned credit union founded in 1953, we've spent more than seven decades helping Texans make smart financial decisions. We have 14 branch locations across Dallas-Fort Worth , deep roots in the Dallas market, and loan officers who treat your money like it matters, because to us, it does.

When you finance your home through Texans CU, you're not padding anyone's bonus. You're working with a lender whose only job is to help you win.

Ready to learn more? Read the Ultimate Dallas Home Buying Guide for everything you need to know about mortgages, affordability, and the approval process, start to finish.