Bridge Loan Cost Calculator

Bridge Loan Cost Calculator

Estimate bridge loan interest, points, origination, fixed closing fees, extension fees, monthly interest-only payment, cash held in reserve, and net proceeds.

1 Pick a Bridge Loan Scenario

Load a realistic starting point, then adjust the loan amount, rate, term, points, fixed fees, reserves, and payoffs to match a term sheet.

2 Current Cost Snapshot
$650k
Loan principal
Gross amount before deductions.
9 mo
Base term
Interest formula uses months divided by 12.
10.75%
Annual rate
Simple interest-only bridge rate.
2.00%
Points
Upfront percent of principal.
65%
Bridge LTV
Loan amount divided by collateral value.
3 Loan Inputs
Fee timing
Used for labels, reference ranges, and risk notes.
Current appraised value, purchase price, or as-is value.
Gross bridge loan amount before fees and holdbacks.
Interest is principal x rate x months / 12.
Initial expected payoff period.
2 points means 2% of the loan amount.
Separate from discount points when quoted that way.
Underwriting, document, wire, or admin charges.
Property appraisal, BPO, environmental, or inspection items.
Title, escrow, closing, lender title, and settlement charges.
Attorney review, recording, mortgage tax, and public fees.
Courier, flood cert, draw setup, insurance review, or misc fees.
Held from proceeds for future payments; not an extra fee by itself.
Funds not released at closing because they are reserved for work.
Debt that must be paid from the bridge proceeds.
Optional delay beyond the base term.
Percent of principal charged for each extension month.
Used to estimate exit equity after bridge payoff and selling costs.
Brokerage, transfer, refi closing, or sale expense estimate.
Bridge loan cost estimate
Total Bridge Cost
$0
interest, points, fees, extension fees
Monthly Interest-Only
$0
principal x rate / 12
Net Proceeds at Closing
$0
after deductions and holdbacks
Effective Annual Cost
0%
cost divided by principal and time
Cost Breakdown
4 Bridge Loan Reference Tables
Common Bridge Loan Use Cases
Use caseTypical termCost driverExit sourceWatch item
Move-up purchase3-12 monthsCarry periodOld home saleSale delay
Fix and flip6-18 monthsRate and pointsResaleRepair holdback
Rental bridge6-24 monthsDSCR/refi pathPermanent loanSeasoning rules
Construction exit3-12 monthsExtension riskSale or refiCO timing
Commercial bridge12-36 monthsOriginationStabilized refiLease-up
Land carry6-24 monthsLower leverageSale or takeoutEntitlements
Cost Component Formula Guide
ComponentInputFormulaTimingIncluded in cost?
Base interestRate, monthsPrincipal x rate x months / 12Monthly or reserveYes
Monthly paymentRate onlyPrincipal x rate / 12MonthlyYes over time
Discount pointsPoint percentPrincipal x pointsClosingYes
OriginationOrigination percentPrincipal x fee percentClosingYes
Fixed closing feesDollar feesAppraisal + title + legal + otherClosingYes
Interest reserveReserve monthsMonthly payment x reserve monthsHeld backNo duplicate cost
Extension feeMonths, percentPrincipal x fee x monthsExtensionYes
Interest-Only Cost Lookup per $100,000 Borrowed
Annual rateMonthly payment3 months6 months9 months12 months18 months
8.00%$667$2,000$4,000$6,000$8,000$12,000
9.50%$792$2,375$4,750$7,125$9,500$14,250
11.00%$917$2,750$5,500$8,250$11,000$16,500
12.50%$1,042$3,125$6,250$9,375$12,500$18,750
14.00%$1,167$3,500$7,000$10,500$14,000$21,000
Fee and Leverage Planning Ranges
Loan profileRate rangePoints rangeLTV rangeReserve styleExtension risk
Prime residential bridge8%-11%0.5-2.050%-75%Often monthlyLow to medium
Private residential bridge10%-14%1.0-3.055%-70%Often reservedMedium
Fix and flip bridge10%-15%1.5-4.060%-75% ARVReserve commonMedium to high
Commercial bridge9%-14%1.0-3.055%-70%NegotiatedLease-up driven
Land bridge11%-16%2.0-5.035%-60%Reserve commonEntitlement driven
Distressed or urgent close12%-18%2.0-6.040%-65%Reserve commonHigh
5 Practical Tips
Do not double count the interest reserve. If the lender holds three months of interest from proceeds, the money is still used to make interest payments. The reserve reduces cash available at closing, while the interest expense belongs in the total cost schedule.
Stress-test the payoff date. A one-month closing delay can add one month of interest plus an extension fee. Test the extension fields before signing, especially when the exit depends on resale, permitting, lease-up, or a refinance appraisal.

This JSCalc-Blog.com bridge loan calculator is an educational planning tool, not legal, tax, mortgage, or investment advice. Confirm actual charges with your lender, escrow officer, attorney, and closing disclosure.

The fast-moving market got you, didn’t it? You couldn’t wait until your existing house was out of escrow, you loved the new place, and you bought it anyway. Now you’re left with a financial gap between those two transactions. That’s where bridge loans comes in, but there are sneaky fees that will ding your wallet. The interest rate isn’t the entire picture. Let me explain how it works so that you don’t get surprised by the number crunchers; here’s the same thing using the calculator on this page:

A bridge loan is typically a short-term solution (three months to one year). It can be longer in duration if there’s an issue with closing. Since it’s a short loan, the lender will focus on two things. First is your exit plan, which will either make the bridge loan work for you or break your bank account. Second is the collateral value, which is less of a concern because the loan isn’t long enough for your long-term income to matter.

Hidden Costs of Bridge Loans

People overlook up-front costs: “Oh look! My mortgage is only 10% APR. That doesn’t sound too bad.” But then there’s those origination fees and those points. “Huh? Origination fee, what’s that?” Oh yeah, it’s another one percent of your loan total. What about discount points? What is that?” It is another two percent. At ten percent with an origination fee and points, that doesn’t seem like such a good deal anymore… And those up-front costs get subtracted from your loan proceeds, meaning you begin owing more money than you actualy got in cash. The tool takes care of all this by computing how much money you’ll walk away with after paying those fees, not just how big the gross loan will be. That can make a huge difference if you’re closing on a house whose purchase price leaves no wiggle room whatsoever.

Reserves can also be a tricky element. Sometimes lenders will ask you to establish an interest reserve, three to six months worth of payments sitting in a reserve account. No, it’s not a fee. It’s YOUR money, being held in trust until it’s needed for upcoming payments. For someone who’s tight on cash at closing, having that reserve amount removed from their pile of available funds can appear as though it’s a hidden cost. But it’s not a cost to the lender. It is a cost to your available cash, and it is a cost to the other places where you would rather have that money. Somewhere else). The reserve means less of that cash will go toward the new property or toward any repairs you may want to do.

It’s laid out in a way that makes sense on the page (see below; it’s a reference table), so you can look at the numbers in context. For example: Maybe your loan will require more points because it’s a fix-and-flip loan, where the quality of the reno plays a role in the risk (vs. The market value). Or maybe your fee is lower because your bridge is for a move-up purchase, the collateral is already in place and proven. Know what category your deal falls under, then use that to negotiate. Shop around with multiple lenders if possible, and compare apples-to-apples by considering the overall cost of holding the debt (not simply the headline rate).

Bad timing, Extension fees: As I mentioned before, real estate is a messy business. The inspection fails, the appraisal is low, the house stays on the market longer than expected. Each month that you extend the loan, you pay an extension fee. This is usually a small percentage of the principal per month, but it adds up fast. That adds up fast! The delay model lets you show the impact of these delays. This is extremely important when stress-testing your plan. Will you be able to afford the interest + extension fee for every month you have to extend, while also not touching your emergency savings?

Monthly payments consist of interest only and provide predictable cash flow. No principal reduction; your loan balance remains large. Fine for a short hold, but hazardous over a long time. Points + Fees add to the cost. Include these points & fees when calculating the effective annual cost. Our tool computes this effective rate. Helping you see what borrowing actualy costs.

All in all, the bridge loan is a quick-money tool. It’ll get you over the chasm (fast). But it also consumes money quickly. Have your escape strategy lined up and know exactly what each cost will be. Double-check the math, leave yourself a cushion if things don’t go as planned, and ensure that everything pencils out before signing on the dotted line. The distance from sell to buy is a slim one, and the price tag adds up quicker then you’d think.

Bridge Loan Cost Calculator