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Dallas-Fort Worth: Buying Before You Sell

Program and regulatory figures verified September 17, 2026. Details change; confirm your scenario with us.

By Mike Certo, Cornerstone First Mortgage · NMLS #260555 ·

Plano to Prosper, Fort Worth to Southlake, Oak Cliff to Lakewood. DFW moves internally at a remarkable rate, and most of those moves need the next house before the current one sells.

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Why DFW feels this more than most

Corporate relocation. The metro absorbs a steady flow of transferring households with reporting dates, and it produces its own internal churn as families move north through Collin and Denton counties for schools. Both patterns create the same problem: a date you must be in the new house by, and a current house that has not sold yet.

The financing constraint is statewide. Everything secured by your homestead has to fit under 80 percent of fair market value including your existing mortgage, a subordinate HELOC cannot sit behind a Section 50(a)(6) loan, and that loan cannot close before the twelfth day after application or notice. If you are working to a relocation deadline, put the twelve-day floor on the calendar early.

County lines matter here

DFW straddles four large counties with different rates, and the fast-growing northern suburbs layer in municipal utility and public improvement districts. A move from an established Dallas neighbourhood to a newer Collin or Denton County subdivision can change the property tax line materially, and property taxes are part of what you qualify on. Price the actual address.

Which structure fits

Relocating households with employer assistance often qualify carrying both payments and simply recast after the sale. Long-tenured owners with heavy equity but a slower-moving house frequently do better renting the departing home, since DFW rental demand is deep and that route never touches the homestead ceiling.

Compare all three on the structures page, or read why the equity route is limited here.

Your real estate agent handles the purchase paperwork and the offer itself. We handle the money: what you qualify for, how the equity gets used, and what the payment looks like.

Frequently asked questions

Can I buy in Frisco or Prosper before selling my Dallas home?

Yes. Carry both payments and recast after the sale, bridge against your equity if it fits under the Texas 80 percent homestead ceiling, or rent the departing home and qualify on that income. Relocating households with employer assistance most often clear the two-payment test outright.

How long does Texas bridge financing take in DFW?

If the structure involves a Texas home equity loan, it cannot close before the 12th day after the later of your application or the lender's required notice. That floor is constitutional and applies at every lender. Relocation deadlines and that twelve-day minimum need to be on the same calendar from the start.

Are DFW property taxes different by county?

Yes. Dallas, Tarrant, Collin and Denton counties set different rates, and newer northern suburbs may add municipal utility or public improvement district levies. Since property taxes sit inside the qualifying payment, the difference can affect approval and not just budget.


Mike Certo · NMLS #260555 · Cornerstone First Mortgage NMLS #173855 · Equal Housing Lender. Educational content about financing, not a loan commitment and not legal, tax, or real estate advice. Texas homestead lending rules, property tax treatment, and loan limits change and depend on your facts; your real estate agent handles the purchase paperwork and your CPA or a Texas attorney handles legal and tax questions. Loans are subject to borrower and property qualification.