Interest Reserves: When the Lender Holds Your Interest, and What It Costs

An interest reserve sounds like the lender is carrying you for six months. It is not. The reserve is money the lender lends you, adds to your balance, charges interest on, and — this is the part that surprises people — counts inside the same leverage caps as your rehab budget.

On a deal where the after-repair-value ceiling is already binding, asking for a six-month reserve can cost you more cash at closing than the reserve saves you in payments. Here is the arithmetic.

What the reserve actually is

At closing, part of the loan proceeds is set aside to cover your monthly interest while the property produces no income. The lender or servicer holds it and releases it each month to pay your own interest bill. You do not deposit cash for it. You borrow it.

Three consequences follow, and all three are routinely missed:

• The reserve is part of your loan amount. It is repaid at payoff with everything else.
• The reserve accrues interest. You are charged interest on the money advanced to pay your interest.
• Unused reserve is normally credited back at payoff. That part is genuinely in your favour, and it is the reason to size a reserve generously if you have the room.

Length is flexible — on a twelve-month facility you might hold back one month, three, six, or the full term, sized on the loan amount, the rate and how long the project honestly takes.

Dutch or non-Dutch decides what you are reserving against

Before you can size a reserve you need to know what interest accrues on, and that is a structural question with a name.

Dutch interest — sometimes called full-boat — accrues on the entire committed loan amount from day one, including rehab money still sitting in the lender’s escrow that you have not received. Non-Dutch, or as-disbursed, accrues only on what has actually been drawn.

Take a $300,000 purchase, a $75,000 rehab budget and a $475,000 ARV. Indicative caps of 85% of purchase and 100% of rehab give a $255,000 advance plus a $75,000 holdback — $330,000 committed at 11.5%, interest only, rehab drawn evenly over six months, sold in month nine.

That is the honest size of it on a short, light-rehab flip: real money, not ruinous. The gap widens with the holdback and the length of the draw schedule — on a ground-up file with eighteen months of draws it is a different conversation.

Which is standard depends on who you ask. Some published guidance holds that most rehab and construction private loans are now non-Dutch; other lenders offer Dutch as their default and argue it buys you faster draws and a lower quoted rate, because escrowed funds mean no title re-check before each release. Ask which you are being offered and what the other version prices at. Comparing two quotes without knowing this is comparing nothing.

The reserve counts inside your caps

This is the part that changes decisions. Continue the same deal. All-in cost is $375,000, and two ceilings apply alongside the purchase advance:

• 90% LTC on $375,000 = $337,500
• 70% LTARV on $475,000 = $332,500 — the binding one

Your $330,000 commitment fits under $332,500 with $2,500 of headroom. Now ask for six months of interest held back. On the Dutch basis that is $3,162.50 a month, or $18,975.

Add it and the commitment is $348,975 — through the ARV ceiling by $16,475, and through the cost cap too. The reserve does not come from somewhere else. It comes out from under the same ceiling, and something has to give.

So the trade you are actually being offered is this: $16,475 more cash at closing, in exchange for $18,975 of payments you will not have to make over the next six months. A net cash benefit of roughly $2,500 — and you will pay about $1,180 of interest on the reserve balance itself before payoff, which takes most of that back.

An interest reserve is close to free when you have cap headroom. When the ARV ceiling is already binding, it is a cash-flow shuffle you are paying interest to perform.

A funded reserve can keep a failing project looking healthy

Bank supervisors wrote this one down a long time ago. The FDIC’s Supervisory Insights published an overview of the appropriate use of interest reserves in its Summer 2008 issue, mid-way through the last construction-lending bust, for a reason: a loan paying itself from its own reserve stays current on paper whether or not the project behind it is on schedule or on budget.

That protects you from a technical default and from nothing real. A borrower paying from their own pocket notices trouble in month four. A borrower on a twelve-month reserve can reach month ten before anything forces the conversation — reserve nearly gone, rehab overrun, no equity left to fix it. Set your own checkpoints against budget and schedule; nobody else will raise a hand.

When this is the wrong call

When you have the cash and the cap is tight. As above — you are borrowing your own payments at 11.5% and surrendering rehab leverage to do it. Pay from your own account and keep the holdback.

When the reserve is disguising a project you cannot afford. If the deal only works because payments are deferred for six months, the deal does not work. Deferring interest does not create margin, it moves it.

When the property produces income. A tenanted bridge file covering its own interest does not need a reserve, and paying interest on money you did not require is the least defensible line on a settlement statement. A one or two month reserve bridging the gap before rents start is cheap and sensible — the analysis here is about long reserves on cap-constrained files.

What to ask before you sign

• Dutch or non-Dutch? And what does the other version price at?
• Does the reserve sit inside the LTC and LTARV caps? It usually does. Get it confirmed, because it determines your rehab holdback.
• Is unused reserve credited back at payoff? Get it in the document, not in an email.
• What happens in month seven? Know the date the reserve runs dry and what is expected of you the following month.

Where this fits

The fix and flip program page covers how rehab facilities are structured and drawn, and the ground-up construction page covers the longer draw schedules where the Dutch question gets expensive. Indicative pricing across every program we place is on the rates page. If you want to know what a reserve does to a specific file, send it over with the purchase price, rehab budget and your ARV support. We are compensated by the lender when a transaction closes, so asking costs nothing.

Easy Lending USA is a referral service, not a lender. Every rate, ratio and figure here is indicative and illustrative, not an offer of credit. Financing discussed is business-purpose, secured by non-owner-occupied investment property and made to business entities. Actual structures and caps are set by the lender that underwrites your file and are subject to underwriting.

Sources

• Private Lender Link — Dutch interest vs non-Dutch interest for rehab and construction loans
• Backflip — Dutch interest: a primer for borrowers
• FCTD — How does a hard money interest reserve work?
• American Heritage Lending — What is an interest reserve?
• FDIC Supervisory Insights, Summer 2008 — A primer on the use of interest reserves

Structures and market practice described here were published by the named sources and checked in September 2026. We are not affiliated with any of them, and the sources disagree with each other on how common Dutch interest is — that disagreement is reported rather than resolved. Terms vary by lender and change without notice. All dollar figures are arithmetic on the stated assumptions, not quotes.