See your real return before you buy.
Most calculators give you one number. This one shows the tradeoff: borrow more and your cash-on-cash climbs while your monthly cash flow falls. Find the balance that fits how you invest.
Pre-filled with a sample 8-room deal. Change anything.
For MLS / listed deals where you cover the seller’s listing-agent commission. Leave at 0 for off-market.
Type the amount here or drag the slider below, they stay in sync. Private money (the gap loan and any borrowed entry cash) is interest-only at this rate.
Your numbers on one branded page you can hand to a lender, a partner, or your own file. It downloads the second you hit the button.
One more, only so I can actually be useful. What do you have, and what do you need?
Drag the gap loan below and watch the two lines move apart.
How the structure changes everything, run live on the deal above, with no extra private money.
Cash flow plus the equity you build from loan paydown and appreciation, at the gap loan set above.
| Year | Cash flow | Cumulative | Value | Your equity |
|---|
Co-living means renting a house out by the room instead of leasing the whole place to one tenant. A five-bedroom home becomes five income streams, with shared kitchen, living, and laundry. Gross income on the same building usually runs well above what a standard single-family lease brings in.
The tradeoff is more moving parts: more leases, more turnover, more management, and zoning rules that change from city to city. That’s why the math has to run room by room before you make an offer. A deal that looks great at a glance can fall apart once you account for one room sitting empty, furniture, utilities, and what your financing actually costs.
Every co-living deal I underwrite runs through the same seven inputs. The Co-Living Wealth Visualizer™ above walks you through all of them and returns a verdict instead of a wall of numbers:
Many investors look for cash-on-cash returns in the low double digits, but the right target depends on your financing and how much capital you’ve left in the deal. Creative-finance structures that reduce money down can push cash-on-cash much higher. The point is to measure a specific deal against your own threshold, not a generic benchmark.
It depends entirely on local zoning, occupancy limits, and rental ordinances, which vary by city and county. Some areas welcome rent-by-the-room; others cap the number of unrelated occupants. Confirm the rules for your specific address before you buy, and check whether an HOA applies.
Six bedrooms and up is where it pencils out for me. Most houses are four bedrooms, and at four the room income usually does not beat a standard lease by enough to cover the extra utilities, furniture and turnover. Check the local occupancy rules before you count on every room.
An HOA and a pool. Most HOAs do not allow room-by-room rentals, so I pass on any house that has one. A pool adds liability you do not want with several unrelated tenants sharing the home.
Options run from conventional loans to creative structures like subject-to and seller financing, which can sharply reduce the cash you bring to closing. Because financing has such a large effect on cash flow, the visualizer lets you model each structure and see how the outcome changes.
For the renter: a long-term rental goes to one household on one lease. Co-living rents the same house room by room, and that matters to a lot of people right now. Rents have climbed so much, doubling in some cities, that many people cannot afford a whole house or apartment. A room is how they afford to live near work, or how they get through a change, like a new job or a divorce. You are providing housing people can afford, and that is changing the rules city by city, county by county and state by state, with places like California pushing for more of it. From what I see talking with co-living operators and the people at PadSplit, demand keeps rooms in some markets up to 95% occupied, and Atlanta alone has more than 10,000 PadSplit rooms operating.
For the investor: the difference is the rent and the cash flow. A typical long-term rental brings in around $1,900 a month (Zillow’s typical U.S. asking rent was $1,895 in January 2026). The same house set up with six or seven rooms usually brings about 2.5 times that, around $4,000 to $4,500 a month, depending on the layout, the room sizes, what you provide and the market. With today’s interest rates, a traditional rental rarely cash flows. Room by room, after the mortgage, management, vacancy and money set aside for repairs, it can leave around $1,000 to $1,200 a month. Every market is different, so run your own numbers in the calculator above.
Research the area before you set a price. PadSplit’s room search shows what rooms rent for city by city, with real weekly prices, so start there and compare with furnished rooms on other sites. A room with its own bathroom rents for more than one that shares. What people want in a house differs by city and county, so match the amenities to the area. The better the home you create, the longer people stay; squeezing people into the smallest rooms you can only costs you in turnover. Enter each room’s rent on its own in the calculator.
Usually the owner. Rent per room typically includes electric, water, internet and trash, so that bill is yours every month whether every room is full or not. Put it in your monthly expenses before you trust the cash flow.
Most co-living rooms rent furnished, and the kitchen and living room need furniture too. That is cash up front, and it wears out faster than in a standard rental, so add it to the rehab budget and plan on replacing pieces.
More than a standard rental. Every room has its own lease and its own move-out, so turnover never really stops. Run the deal with at least one room empty and see if it still works.
Not unless the insurance company knows. Tell your carrier it is a room-by-room rental, every time. This is the step people skip, and if the company does not know how the house is used, it can refuse to pay when something happens. Get the right coverage in writing before you close.
Often not at first. Many lenders size the loan on what the whole house would rent for to one tenant, not on the rooms added together, and treat anything above that as upside. Run the deal at that whole-house rent too, so the loan you get does not surprise you.
The lenders I have asked all say the same thing: buy and renovate with a flip loan first, then refinance into a DSCR loan once the rooms are leased. Plan on about six months of ownership and a few months of documented rent before the refinance, and ask up front, because some DSCR programs do not accept rent-by-the-room at all.
A signed lease for every room, a rent roll that matches those leases, and bank deposits showing the rent actually comes in. Leases of nine to twelve months count for more than month-to-month agreements.
It can. Lenders I have talked to say that when a corporate leasing company is on the lease, they are more likely to use the higher room-by-room income instead of the standard whole-house rent. Ask your lender exactly how they treat it before you commit.
Yes, and it is the option I like most. Build it for co-living from day one, for example seven bedrooms with seven bathrooms, using a construction loan, then refinance into a DSCR loan once it is built and leased. You design the layout for rooms instead of fighting an existing floor plan, and new builds tend to leave better margins than converting an older house. Confirm the zoning and occupancy rules for that lot before you draw the plans.
Spreadsheet versions: Co-Living Calculator, $8.99 · Complete Investor Toolkit, $59 · All free calculators →
InvestorBuilt: Deal Analyzer puts all three calculators in your pocket. PDF exports, instant verdicts, and it works offline, even standing in a house with no signal.
Get it on the App Store