The Real Cost of an Inflated Listing Price
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Southlake Mortgage Payment Estimate
Adjust the assumptions to see how the monthly components change.
Estimated monthly total —
Enter your assumptions
Enter the purchase price you want to estimate.
Dollar amount and percentage stay linked. The dollar amount is the calculation value.
Planning assumption: 6.84% for a 30-year jumbo loan. Editable by you.
Planning rate: 1.6879% of purchase price. Verify the property-specific amount with Tarrant Appraisal District.
Planning figure: 0.85% of purchase price. Verify the property-specific premium with a licensed insurance agent.
Enter monthly dues if the property has an HOA.
Enter the annual MI rate only if your down payment is below 20%. This calculator uses the original loan amount as the basis.
No Southlake special assessment was supplied for this build.
No separate additional required coverage premium was supplied for this build.
Estimated monthly total —
Loan amount —
Total interest — P&I only —
Payoff date — Assuming no extra payments.
Interest per dollar borrowed —
Total interest excludes mortgage insurance because mortgage insurance is not interest.
Year-by-year amortization schedule
| Year | Principal | Interest | Ending balance |
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About this estimate
This calculator is not a loan offer, preapproval, commitment to lend, or determination of what anyone qualifies for. It does not review credit, income, assets, debt, or any other underwriting information.
Brokerage identification: Bonnie Billingsley — TREC #674367 — The Tosello Team Realtors — DRO Management II, LLC – Keller Williams Realty. This is a real estate brokerage, not a lender, mortgage broker, insurance agency, or tax advisor.
Bonnie Billingsley — TREC #674367 | The Tosello Team Realtors | DRO Management II, LLC – Keller Williams Realty | 817-691-3135
What varies
Property taxes can change after a Southlake purchase because the buyer's property-specific taxable value, exemptions, and assessment history may differ from the seller's. Confirm every number with a licensed lender, insurance agent, and tax professional before making a decision.
Mortgage insurance
When used, mortgage insurance is calculated here as a constant monthly charge based on the original loan amount. Some lenders use a declining-balance basis, so actual figures can differ.
Under the federal Homeowners Protection Act, a borrower may request cancellation when the balance reaches 80% of original value if the applicable conditions are met, including a good payment history, no subordinate liens, and the lender's right to require evidence that the property value has not declined. Automatic termination generally occurs when the scheduled balance reaches 78% of original value if the borrower is current. If neither has occurred, midpoint termination applies when the borrower is current. FHA and VA loans follow different mortgage-insurance rules.
Equal Housing Opportunity
It is illegal to discriminate in the sale or rental of housing on the basis of race, color, religion, sex, familial status, national origin, or disability.
Sex includes sexual orientation and gender identity under HUD's interpretation of the Fair Housing Act.
State and local protected-class list supplied for this build: race, color, religion, sex, familial status, national origin, and disability.
Official Equal Housing Opportunity logo — insert brokerage-approved asset here.
The estimator returns the same result for every user based only on the figures entered.
Texas consumer notices
Texas Real Estate Commission Information About Brokerage Services
Texas Real Estate Commission Consumer Protection Notice
Southlake tax note
The planning tax rate used here is 1.6879% of purchase price based on the supplied 2025 certified taxing-unit rates. Southlake also extends into Denton County, where parcels are handled by Denton Central Appraisal District and may have different taxing rates. Verify the exact property with the applicable appraisal district.
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