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Scaling an Indiana Rental Portfolio: Past 4 Doors, Past 10, and Beyond

Program and regulatory figures verified September 10, 2026. Details change; confirm your scenario with us.

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

Every Indiana portfolio hits the same three walls: the conventional property-count cap, the reserve requirements that climb with it, and tax returns that stop telling the story. Each has a clean answer, and Indiana's low basis plus the capped tax line makes the compounding math friendlier than most states.

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How many financed properties can I have?

On conventional paper, the ceiling is ten. Fannie Mae's B2-2-03 lets a single borrower carry up to 10 financed properties when the new loan is a second home or an investment. The old barroom wisdom about a four-mortgage limit has been wrong since 2009. The real friction is reserves, and they step up as you climb: figure roughly 2% of the combined balances on your other financed properties while you hold one to four, 4% at five or six, and 6% once you reach seven through ten. The paperwork bar rises with the count too, so a seventh or eighth file wants tidy credit and a clean documentation folder.

Somewhere before ten, usually once the reserve math and the tax returns start fighting you, DSCR becomes the better tool. It carries no agency cap on property count; every deal stands or falls on its own rent-to-payment math. The pattern we steer most Indiana investors toward: lean on conventional while it is the cheapest money and your returns still tell the truth, then graduate to DSCR. The loan mechanics sit in the DSCR guide, and the entity most growing portfolios adopt is covered in the LLC guide.

Why Indiana's basis and tax cap help you scale

Growth is really a cash problem, and Indiana eases it two ways. First, price: a cheaper door means a smaller down-payment check and a reserve pool that stretches across more properties, so a fixed amount of capital buys more Indiana units than the same money in an appreciation-priced market. Evansville near a 7.4% gross yield, South Bend near 8.5%, and the Indianapolis cash-flow submarkets at 7% to 9% are where that math works hardest. Second, the tax cap: because a single-family rental's tax can never exceed 2% of gross assessed value, your carrying costs stay predictable as you add doors, so a reassessment on one property cannot quietly drain the reserves that fund the next purchase. The honest tradeoff is operational: more doors at lower rents means more tenants, more turnovers, and more management, and that workload belongs in your plan from the start.

The 2–4 unit lane

A duplex, triplex, or fourplex is still a single residential loan on a single address, just with more rent checks arriving, and it is how a thinner-yield metro like Fort Wayne gets made to work. Plan on 25% down as the going floor on an investment 2–4 unit, conventional or DSCR alike. The 2026 one-unit conforming limit is $832,750 across every Indiana county, with the 2–4 unit limits higher on FHFA's published grid. Because a DSCR file counts every unit's rent toward the ratio, a multi-unit rent roll clears 1.0 on a basis where a single-family at the same price never would.

Foreign-national buyers of Indiana rentals

Indiana's affordable price point pulls in overseas buyers, and the financing exists to serve them. Many foreign-national DSCR structures ask for neither a U.S. credit score nor a Social Security number; what they want instead is 25–30% down, reserves toward the deep end at six to twelve months, and foreign bank assets documented in place rather than wired over. An ITIN may be needed to keep the tax filings straight, but not to qualify, and that is your CPA's department. The building still qualifies on its rent-to-payment ratio exactly like any other DSCR deal, and title typically vests in a U.S. entity, most often an Indiana LLC with the foreign investor as its member.

No pressure, no obligation, and no salesy follow-up: a 20-minute call with our team, real numbers, and a straight answer on whether the deal pencils.

Frequently asked questions

How many financed properties can I have with conventional loans?

Fannie Mae B2-2-03 allows up to 10 per borrower on second-home and investment purchases. The catch is reserves, which scale with the count: roughly 2% of your other financed balances at one to four properties, 4% at five or six, and 6% at seven through ten. The four-mortgage limit people still repeat was retired back in 2009.

What happens when I hit the 10-property cap?

You move to DSCR, which imposes no agency limit on how many properties you finance, because each one qualifies on its own rent against its own payment. Plenty of investors jump before ten, once conventional reserves and return documentation grow heavier than a clean DSCR file. Where that crossover sits is a math question we run on your actual portfolio.

Why is Indiana good for building a rental portfolio?

Cheap doors and a capped tax line. Indiana's low basis in Evansville (~7.4%), South Bend (~8.5%), and the Indianapolis cash-flow submarkets (7% to 9%) means a set pool of capital buys more units, and the 2% rental tax cap keeps carrying costs predictable as you scale, so a reassessment on one property cannot drain the reserves funding the next.

How much down do I need on an Indiana duplex or fourplex?

Count on 25% as the floor for an investment two-to-four-unit, whether the loan is conventional or DSCR. The payoff is that every unit's rent counts toward the ratio, so a multi-unit rent roll clears 1.0 where a same-priced single-family falls short, which is how a thin-yield metro like Fort Wayne gets made to work. The 2026 one-unit conforming limit is $832,750 in all Indiana counties.


Mike Certo · NMLS #260555 · Cornerstone First Mortgage NMLS #173855 · Equal Housing Lender. Educational content, not a loan commitment and not legal or tax advice. City short-term-rental rules and tax figures change; confirm current requirements with the city, your CPA, or an Indiana real estate attorney before you buy. Loans are subject to buyer and property qualification.