A realistic budget for your first home is based on what you can comfortably afford, not what a lender says you qualify for. Lenders typically approve you for up to 43-50% DTI, but a comfortable budget is usually 25-30% of your gross monthly income for total housing costs (PITI + HOA + insurance).
On a $75,000 salary, that means a monthly housing budget of roughly $1,560 to $1,875. The key word is comfortably -- you want to still be able to save, invest, and live your life.
What Lenders Approve vs What You Should Spend
Lenders use two ratios to determine how much they will lend you:
- Front-end ratio (the housing ratio): Your total housing cost divided by gross monthly income, typically capped at 28-31%.
- Back-end ratio: All your monthly debts including the new mortgage divided by gross monthly income, typically capped at 43-50%.
These are maximums, not recommendations. A comfortable budget is well below these limits. Here is a real example:
- Annual salary:$80,000 = $6,667/month gross
- Lender might approve:$2,200/month housing
- Comfortable budget:$1,600 to $1,800/month
The Full Monthly Cost Breakdown
When you set a budget, you cannot just look at the principal and interest payment. Here is everything that goes into owning a home each month:
- Principal + InterestYour actual loan payment
- Property taxes (Texas average)$450 to $550/month on $300K
- Homeowner's insurance$150 to $300/month
- HOA fees$0 to $500/month
- PMI / MIP (under 20% down)$100 to $250/month
- Maintenance reserves$250 to $500/month
- Utilities$200 to $400/month
That is a lot more than just the loan payment. Make sure your budget accounts for every line item.
The Texas Property Tax Factor
Texas has no state income tax, but property taxes are among the highest in the nation. The average effective property tax rate in Texas is 1.8% to 2.2%. This is the number that surprises most first-time Texas buyers.
On a $300,000 home, that means $5,400 to $6,600 per year in property taxes, or $450 to $550 added to your monthly mortgage payment. In states with lower property taxes, that same $300,000 home might only add $200 to $300 per month in taxes. You need to factor this into your budget from day one.
Build Your Budget on Your Take-Home Pay
The smartest way to set your budget is to start with your take-home pay, not your gross income. Here is how a realistic budget looks:
- Gross income:$80,000/year = $6,667/month
- After taxes and deductions:~$5,200/month
- Comfortable housing (30% of take-home):$1,560/month
That $1,560 is your real budget ceiling. Work backward from this number to determine your home price. Most lenders will pre-approve you for significantly more, but sticking to the take-home-pay approach keeps you financially comfortable.
How Much Home Can You Actually Afford?
Let us walk through the numbers using a mortgage calculator with realistic Texas costs:
- Total housing budget:$1,560/month
- Interest rate:~6.5%
- Texas property taxes:~2%
- Insurance:$200/month
- Down payment:5% with PMI
- No HOA:$0/month
- Estimated home price:$220,000 to $250,000
That is significantly less than the $350,000+ a lender might pre-approve you for. This is the difference between what you qualify for and what you can comfortably afford.
First-Year Cost Reality Check
Beyond the monthly payment, buying your first home requires a significant amount of cash before you ever make your first mortgage payment. Here is what you need to plan for on a $240,000 home:
| Down payment (5%) | $11,000 to $12,500 |
| Closing costs | $6,000 to $8,000 |
| Moving and furnishing | $3,000 to $5,000 |
| Emergency fund | $5,000 to $8,000 |
| Total cash needed before first payment | $25,000 to $33,000 |
This is why it is so important to be realistic about your budget. If you stretch to the maximum purchase price, you may not have enough cash left over for the unexpected expenses that always come with a first home.
The Bottom Line
A realistic first-home budget is built from the ground up: start with your take-home pay, calculate 25-30% for housing, subtract Texas property taxes and insurance, and work backward to a purchase price. That number will almost always be lower than what a lender pre-approves you for. And that is exactly how it should be.
The goal is not to maximize your debt. The goal is to buy a home you love with a payment that leaves you room to save, travel, invest, and handle life's surprises. If you are looking at homes in the San Antonio or Hill Country area, I can run these numbers for you in about 10 minutes and give you a clear picture of exactly where you stand.