How much house can I afford in Flower Mound, TX? 2026 budget math

by Jay Marks

The median single-family home price in Flower Mound, TX, recently reached $649,741.

Key takeaway

Work out what you can afford in Flower Mound from a monthly payment that includes the specific home's property tax and insurance, not from the asking price. Those costs vary by address and you cannot negotiate them. Price is the flexible part: only 16.3% of single-family homes sold above asking in the 90 days ending September 30, 2026, so a listing a little above your ceiling may still close within it.

Who this guide is for

You are preparing to buy in Flower Mound and need to turn your income, debts, and savings into a realistic price ceiling before you start touring homes.

How much house can you afford in Flower Mound?

Single-family homes in Flower Mound closed at 98.4% of list price over the 90 days ending September 30, 2026. At that ratio, a home listed at $660,000 sells for about $649,440, so listings roughly 1% to 2% above your ceiling may be in range. Well-priced homes can still draw offers over asking, but the broader market gives buyers some room.

How lenders set your maximum

Lenders compare your gross monthly income with your monthly debts using the 28/36 guideline. Your housing payment should stay at or under 28% of gross income. That payment includes principal, interest, property tax, homeowners insurance, mortgage insurance and HOA dues. Your housing payment plus all other monthly debts should stay at or under 36%.

Lenders can approve higher debt-to-income ratios depending on the loan program and your financial profile. Their maximum is a ceiling, not a target: the bank doesn't know your childcare costs, commute expenses, or savings goals.

Ask your lender for a written Loan Estimate at an actual price, not just a pre-approval amount. It shows exactly how the loan terms translate into monthly obligations.

What goes into a Flower Mound house payment

Principal and interest depend on your loan amount and mortgage rate. The 30-year fixed rate averaged 7.24% for the week ending October 29, 2026.

Property tax is the next largest piece. A listing's tax bill reflects the seller's homestead exemption and appraisal cap, but after you buy, the home is taxed on its full value under your own exemptions.

The tax rate depends on which taxing units cover the address, including the school district and any Municipal Utility District (MUD) or Public Improvement District (PID). Flower Mound properties are appraised by the Denton Central Appraisal District, or the Tarrant Central Appraisal District for a small portion of town. The town is served by five independent school districts, so confirm the district with its own boundary lookup rather than assuming from the address. Look up the property's taxing units and current rates on the appraisal district site before you offer.

Homeowners insurance premiums in Texas averaged $3,291 in 2024, and hail exposure influences local rates. Get a quote during your option period, including the wind and hail deductible. If your down payment is under 20%, you'll also pay mortgage insurance. For HOA dues, ask the listing agent for current dues, transfer fees, and any special assessments.

Payment and income needed at the Flower Mound median price

At the median single-family price, 20% down is $129,948, leaving a $519,793 loan. At the current average rate, principal and interest come to about $3,542 a month.

The 2025 combined adopted tax rate for the Town of Flower Mound, Denton County, and Lewisville ISD is about $1.69 per $100 of valuation. Applied to the purchase price, that adds roughly $915 a month. The state average insurance premium adds $274 a month. That brings the payment to about $4,731 before HOA dues.

To keep that payment within the housing limit, you'd need gross monthly income of about $16,896, or $202,752 a year. Existing debts count against the total-debt limit. A $600 monthly car payment, for instance, reduces the income you can put toward housing.

Single-family homes sold for a median $237 per square foot. At that rate, the median price buys roughly 2,740 square feet and every $100,000 of budget buys about 420 square feet. Use that to translate your maximum loan into house size.

How to get more house for your budget

Single-family prices rose over the past year, so a pre-approval from last year buys less house today. Homes typically sit on the market for 37 days, and the town has 3.0 months of supply. A home listed longer than the median is a reasonable place to ask for seller-paid closing costs or a rate buydown, though nothing is guaranteed.

Only 4 of the 259 sales in the 90 days ending September 30, 2026 were not single-family homes, so there's almost no condo or townhome tier to step down to. Your levers are size, age, or location. If you need a lower entry price, compare Flower Mound with nearby Lewisville and Highland Village. First-time buyers can lower out-of-pocket costs through local homebuyer assistance programs that offer grants and loans.

Questions to settle your price range

If you don't yet know your gross monthly income and every monthly debt payment, start with how lenders set your maximum and work out both limits. Before trusting any payment estimate, look up the actual taxing units and rates for the address you like. Price them at your offer rather than the seller's appraisal, as described under the payment parts. If your down payment is small enough to need mortgage insurance, add it to the median-price example and see how far the payment moves. If your payment-based ceiling lands below the single-family median, use the budget section to choose between a longer-listed home, a smaller or older house, or a nearby town.

Jay Marks can pull tax records and recent sales for any Flower Mound address you're weighing.

At a glance

Median sale price, single-family homes: $649,741 (90 days ending Sept. 30, 2026)
Median sale price, all homes: $642,694 (90 days ending Sept. 30, 2026)
Year-over-year change in median sale price, single-family: +3.5% (90 days ending Sept. 30, 2026)
Median price per square foot, single-family: $237 (90 days ending Sept. 30, 2026)
Sale-to-list ratio, single-family: 98.4% (90 days ending Sept. 30, 2026)
Share of single-family homes sold above list: 16.3% (90 days ending Sept. 30, 2026)
Median days on market, single-family: 37 (90 days ending Sept. 30, 2026)
Months of supply, single-family: 3.0, with 251 listings in inventory and 255 homes sold (90 days ending Sept. 30, 2026)

Flower Mound home affordability FAQs

What salary do I need to afford a $400,000 house in Flower Mound?

Putting a fifth down on a $400,000 home leaves a $320,000 loan. At the current average rate, principal and interest cost about $2,180 a month. Property tax at the same combined rate adds roughly $563 and average Texas insurance adds $274, for $3,017 a month. Keeping that within the housing limit takes about $10,775 a month in gross income, or $129,300 a year.

Can I afford a $300K house in Flower Mound on a $70K salary?

A $70,000 salary is $5,833 a month in gross income, so the housing cap is about $1,633. Putting a fifth down on a $300,000 home still produces a payment of roughly $2,331 with taxes and insurance. That is over the cap before any other debts count.

How much mortgage can I afford for $1,500 a month in Flower Mound?

If taxes and insurance take about $350 of that budget, $1,150 is left for principal and interest. At the current average rate, that supports a loan of roughly $168,000. That's meaningfully less than a principal-and-interest-only calculator suggests.

How much down payment do you need to buy a house in Texas?

Fannie Mae's HomeReady and standard programs allow 3% down on a primary-residence single-family home for eligible, often first-time, buyers, with 5% typically required for repeat buyers. FHA loans require at least 3.5% down, and VA loans typically require 0% down for eligible veterans and service members.

Do I need a jumbo loan to buy a home in Flower Mound?

Only if you borrow more than $832,750, the 2026 conforming limit for a one-unit property in Denton County. A loan on the median-priced single-family home with the down payment in the example above falls well under it.

How much are buyer closing costs in Flower Mound?

Expect lender fees, appraisal costs, and title insurance. Title premiums follow statewide rates set by the Texas Department of Insurance, which cut them 6.2% effective March 1, 2026. Policies over $100,000 are priced on a tiered formula. Compare your Loan Estimate line by line to see your total cash to close.

When can I file for a homestead exemption after buying in Flower Mound?

File the Residence Homestead Exemption Application with the Denton Central Appraisal District by April 30 of the tax year. A late application is still accepted up to two years after the delinquency date for that year's taxes, and filing is free.