A bridge loan is a short-term financing instrument designed to provide temporary capital that “bridges” a gap between an immediate funding need and a forthcoming longer-term solution, such as the sale of an asset or the closing of permanent financing. Most frequently encountered in residential and commercial real estate, these loans—also called swing loans, gap financing, interim loans, or bridging loans—enable borrowers to act quickly when timing mismatches would otherwise force them to forgo opportunities. While individuals primarily use them when buying one home before selling another, businesses and real-estate investors employ similar structures to seize time-sensitive deals or cover transitional cash-flow shortfalls.
At its core, a residential bridge loan allows a homeowner to unlock equity in an existing property and apply it toward the purchase of a new one without waiting for the first property to close. Traditional mortgages often require the old home to be sold first, or they impose sale contingencies that weaken an offer in competitive markets. A bridge loan removes that constraint. The lender advances funds secured by the current home (or sometimes by both properties), the borrower closes on the new residence, and the subsequent sale of the old home supplies the cash to repay the bridge facility in full. Terms usually run six to twelve months, though some lenders extend to twenty-four months when the exit strategy is solid.
Two common structures exist. In the first, the bridge loan is large enough to pay off the existing mortgage and simultaneously fund the down payment and closing costs on the new home; the old property becomes the primary collateral until sold. In the second, the bridge loan sits in second-lien position behind the original mortgage and simply provides the cash needed for the new purchase. Monthly payments are typically interest-only, preserving cash flow while the borrower carries two properties. At maturity a balloon payment of principal is due, almost always satisfied by the net proceeds of the sale. Some lenders permit deferred or rolled-up interest so that no payments are required until exit.
Underwriting centers on the collateral rather than long-term income verification. Lenders generally require the borrower to retain at least 15–20 percent equity after the advance, producing combined loan-to-value ratios of 65–80 percent. Credit scores in the mid-600s or higher improve approval odds, yet the decisive factor is a credible exit plan—most often a listing agreement and realistic marketing timeline. Funding can occur in as little as one to four weeks, dramatically faster than the thirty-to-forty-five-day cycle of a conventional mortgage.
Pricing reflects both the short duration and the elevated risk that the exit may slip. In the 2026 U.S. residential market, interest rates commonly range from 7 percent to 12 percent—several points above conforming mortgage rates. Commercial and investor bridge loans, used for fix-and-flips or value-add projects, often price between 9 percent and 14 percent, frequently floating over SOFR plus a spread. Origination fees of one to three points, appraisal costs, legal fees, and occasional exit fees further increase the all-in expense. Because the loan is short-lived, absolute interest outlays remain manageable if the old property sells within six to nine months; delays, however, can quickly erode the economic advantage.
Consider a practical illustration. A family owns a home valued at $550,000 with a remaining mortgage balance of $220,000, leaving $330,000 in equity. They identify a $700,000 replacement home that requires a 20 percent down payment of $140,000. A bridge lender advances $160,000, enough to cover the down payment and associated closing costs while leaving a comfortable equity cushion. The family closes on the new residence, lists the old home, and continues interest-only payments of roughly $1,100–$1,400 per month. When the original property sells for $545,000, the net proceeds clear the residual mortgage and the entire bridge balance, leaving the household with a single, conventional mortgage on the new home.
The primary advantages are speed and negotiating power. In seller’s markets, non-contingent offers stand out; a bridge loan supplies the cash or equity demonstration necessary to eliminate the home-sale contingency that many sellers reject. Borrowers avoid temporary housing, storage costs, and the logistical strain of perfectly synchronizing two closings. Payment flexibility further eases the dual-ownership period. For investors, bridge capital unlocks acquisitions that conventional lenders would decline or delay—distressed properties, auction purchases, or light-rehab opportunities that must close within days.
Yet the risks are equally tangible. Higher rates and fees make the product expensive relative to permanent financing. If the old home lingers on the market beyond the loan term, the borrower faces extension fees, rising interest, dual carrying costs, and, ultimately, the possibility of default and foreclosure on the collateral. Not every lender offers bridge products, limiting shopping options. Market downturns that slow absorption amplify these hazards. Because the loans are short-term and asset-based, certain consumer protections common to thirty-year mortgages may be thinner.
Commercial applications follow parallel logic. A developer may use a bridge loan to acquire and stabilize a multifamily property while arranging permanent agency or CMBS financing. Rates and leverage adjust to the asset class and business plan—often 65–75 percent of after-repair value—with interest-only periods that match the expected lease-up timeline. Open bridge loans lack a fixed maturity date (subject to a maximum term), while closed bridges are tied to a specific repayment event. In both cases the lender demands a clear exit and often holds reserves for interest or capital expenditures.
Borrowers should evaluate alternatives carefully. A home-equity line of credit or cash-out refinance may deliver lower rates if timing permits. Contingent offers remain viable in balanced markets. Specialized “buy-before-you-sell” platforms that purchase or guarantee the sale of the old home transfer timing risk for a fee. Selling first and renting temporarily eliminates dual ownership costs but introduces housing disruption. Personal loans or retirement-account borrowings rarely scale to the sums required for real-estate transitions.
In practice, a bridge loan is a specialized tool best reserved for situations in which timing is critical, equity is ample, and the probability of a timely exit is high. When those conditions align, the instrument supplies flexibility that conventional mortgages cannot match. When they do not—thin equity, optimistic sale assumptions, or an illiquid local market—the same facility can become a costly burden. Prospective users should model total carrying costs under both base-case and delayed-sale scenarios, compare multiple lenders, and consult independent advisors. Properly deployed, the bridge loan spans a temporary financial gap; improperly deployed, it merely postpones a deeper funding problem. The decision ultimately rests on disciplined analysis of personal finances, local market dynamics, and the certainty of the planned repayment source.