Pull the financials on ten multifamily listings and you’ll notice a pattern. Nine of them lead with the rent roll on page one, then bury “other income” in a single line near the bottom, usually sitting under $50 a unit with no further explanation. That line is where most of the real upside on the deal is hiding, and almost nobody touches it before closing.
It’s not that experienced operators undervalue rent. It’s that they’ve stopped treating it as the only lever worth pulling. If you’ve underwritten more than a couple of multifamily deals, you already know the formula the whole industry runs on — value equals net operating income divided by cap rate. Most investors can recite that on command. Far fewer act on what it actually implies: you don’t need the market to hand you appreciation. You need NOI to climb, and rent is only one of several ways to make that happen.
That’s what this article is actually about — everything else a building quietly throws off once an owner stops treating it like a single-product business.
Why “Other Income” Matters More Right Now Than It Used To
For years, rent did most of the heavy lifting on its own. Buy something decent, let the market lift it, push a modest increase every year, and the spreadsheet basically wrote itself. That playbook is harder to count on now. Rent growth has gone flat in a lot of metros. Concessions are creeping back into leasing offices that hadn’t offered one in years.
Canadian investors are working with an extra wrinkle on top of that. A meaningful share of the country’s rental stock sits under provincial rent control, where the annual increase is capped by a government-set guideline regardless of what the market would otherwise support —in Ontario 2.1% for 2026.
That guideline governs rent. It generally has nothing to say about a parking fee, a storage locker charge, pet rent, or a utility recovery program, as long as those are structured as their own itemized charges rather than rent wearing a disguise. Industry benchmarks put ancillary income somewhere between five and nine percent of effective gross income on a stabilized multifamily portfolio. That sounds modest until you run actual dollars against an actual building and watch what it does to the appraisal.
These income streams also tend to use space and infrastructure an owner already owns, so very little of each new dollar gets eaten by added expense on the way to NOI. A new rent dollar usually has to wait for a vacancy, a lease renewal, maybe a renovation. A new ancillary dollar can show up in next month’s deposit on the back of a lease amendment and a sixty-day notice period.
The Math That Makes This Worth The Effort
Take a twenty-unit building. Add forty dollars a month per unit in blended ancillary income — some combination of parking, pet rent, and a utility recovery program. That’s $9,600 a year in new NOI, and the building hasn’t changed physically at all. Run that through a 5.5% cap rate and you’ve created roughly $175,000 in appraised value.
Scale that same forty-dollar figure to a hundred-unit property and you’re looking at $48,000 in new annual NOI. At a 6% cap rate, that’s close to $800,000 in value, created entirely from a few lease amendments and vendor agreements.
This is what the industry calls forced appreciation — value created by improving the income statement rather than waiting on the market to do it for you.
Building the Ancillary Income Stack
Parking. Probably the single most underpriced thing in most multifamily buildings. Plenty of owners still bundle it free into rent, or charge a flat rate nobody’s revisited since the lease templates were printed. Check what reserved versus unreserved parking actually goes for in your market, pull it out as its own line on the lease, and price it like the scarce resource it is in most cities — the same logic applies to garages, dedicated outdoor parking, and EV charging, all of which are becoming standard line items in larger rental developments. A forty-unit building with thirty paid spots at fifty dollars a month is eighteen thousand dollars a year that simply wasn’t being collected before.
Utility recovery. South of the border this gets formalized as a Ratio Utility Billing System, allocating water, sewer, gas, and electricity costs back to tenants by square footage or sub-metered usage instead of folding them quietly into rent. North of the border, the more familiar version is hydro sub-metering — each unit pays for its own electricity instead of the landlord absorbing one master meter bill that climbs every summer no matter who’s actually running the air conditioning. Either way, an expense you used to swallow turns into income you collect, and NOI moves in your favour from both directions at once.
Pet fees and pet rent. Something close to sixty percent of apartment renters report having at least one pet, and that figure keeps climbing. A one-time, non-refundable pet fee somewhere between two and five hundred dollars, plus monthly pet rent of twenty-five to fifty dollars per animal, is standard in well-run buildings now, not an aggressive upsell. One ownership group that’s leaned hard into pet-friendly buildings reports clearing over a hundred dollars per unit a year from pet income alone, once fees, rent, and the retention boost from being a building people don’t want to leave with their dog are all counted. A couple of waste stations and maybe a small dog run is a tiny outlay against that.
Storage and bike rooms. Underused basement space, a slice of the parking garage, a row of lockable closets — all of it converts into rentable storage somewhere in the thirty to seventy-five dollar range per month, and it’s close to pure margin since the square footage was already being heated either way.
Laundry. Coin or card-operated laundry won’t move the needle the way parking or utilities will, but in a building without in-suite hookups it still adds up across enough units, and a revenue-share arrangement with a vendor means you don’t need to put up the capital yourself.
Application, administrative, and late fees. Easy to overlook because they feel small and a little unglamorous. Worth enforcing anyway, consistently, with clear disclosure up front. Beyond the dollars, a building that actually applies its late fee policy tends to collect rent on time more often, which is its own quiet win.
Premium units and furnished suites. Not every unit in a building needs to rent at the same number. A handful of units with better finishes, a better view, or a layout people actually request can carry a real premium over an identical floor plan two doors down. Push that idea further and furnish a few units for mid-term tenants — relocating professionals, travel nurses, insurance-displacement housing — and a fifteen to twenty percent premium over an unfurnished comparable is realistic, with a built-in cushion against vacancy if the long-term market softens.
Amenity and common-area rentals. A rooftop deck or community room that just sits there between building meetings is a cost centre dressed up as an amenity. Renting it out by the hour for events, typically in the fifty to a hundred dollar range, turns dead space into a small but recurring line with almost no added overhead.
Bulk internet and connectivity. Bulk broadband agreements have become one of the more dependable categories precisely because nearly everyone signs up. A building that negotiates a wholesale rate and bundles or resells it tends to have residents who experience it as an amenity rather than a fee — move in and the Wi-Fi already works, instead of waiting three weeks for an installer.
The Renovation Layer: Where the Bigger Numbers Live
Ancillary income is the fast lever. Renovation — the engine behind a value-add apartment strategy — is the slower one with the higher ceiling, and the two reinforce each other. A renovated unit supports a higher rent and gives you room to layer premium ancillary pricing on top.
The pattern experienced operators use holds up across markets. Light work — paint, lighting, hardware, a new backsplash — running $3,500 to $5,500 a unit tends to support rent bumps of $100 to $200 a month. Add flooring, counters, and appliances on top of that, somewhere in the $6,000 to $10,000 range, and the premium climbs to $200 to $350. Full gut renovations cost more again but can completely reset what a tired Class C building is capable of charging.
One case worth sitting with for a second: a 14-unit building bought at an 8.4% cap rate. $138,000 went into targeted renovations. It stabilized at a 6.9% cap rate, and that spread alone was worth roughly $412,000 in forced appreciation inside fourteen months. A different operator put $67,000 into kitchens and baths across a 9-unit building, pushed rents up $225 a unit, and watched cash-on-cash climb from 9.1% to 13.8%.
The discipline that separates this from an expensive mistake is checking your comps before you swing a hammer. A $10,000-per-unit renovation that only supports a $40 rent bump has built you an underwater asset with a payback measured in decades. The formula only works when the cost and the rent premium both come from what’s actually happening in your submarket, not from a pro forma that needed a bigger number to make the deal look good.
Stacking It All Together
The owners pulling ahead right now usually aren’t doing any single one of these things brilliantly. They’re doing several of them adequately, on the same building, at the same time. Parking gets re-priced. Hydro gets sub-metered. A storage room gets built out of dead space. Pet rent gets added at the next renewal. A few units get a light refresh and re-lease higher. None of it looks dramatic on its own. Stacked across a twenty or thirty-unit property, it routinely adds somewhere between eight and twenty percent to NOI in year one, without needing the broader market to cooperate at all.
That’s the real appeal for anyone investing through a rent-controlled market. It works on every income line except the one with a government cap on it. It’s not a loophole. It’s simply running the building as the multi-line business it already is, instead of pretending rent is the only thing it sells.
A Note on Doing This the Right Way
None of this holds up if it’s done sloppily. Fees need clear disclosure in the lease, consistency across comparable units, and a check against your provincial or state landlord-tenant rules — what’s standard in a market with no rent control might need a closer legal read once you’re operating in Ontario or B.C. In Canada, a rent increase tied to a major capital expenditure runs through a formal above-guideline application, not a quiet bump added to the next renewal notice. Get a paralegal or a lawyer who actually knows multifamily to look at your fee structure before the notices go out, not after a tenant board hearing makes the decision for you.
Where This Leaves You
Most people look at a multifamily building and see one number: the rent roll. The owners actually building wealth in this asset class learned to look for six or seven numbers instead, hiding in parking, utilities, pets, storage, amenities, and whatever upside is sitting underneath a tired unit waiting on a light renovation. No single one of those changes your portfolio on its own. Stacked together, on the right building, they’re the difference between owning a property that just sits there and owning one that compounds — and the difference between a sale or a refinance that actually moves your portfolio forward.
If you want help putting this into practice — auditing your own building’s other income line, figuring out what’s realistic for your market, or just talking it through with investors who’ve already done it — that’s exactly what Savvy Squad is for. Start your 14-day free trial and get access to the community, the training, and the people who can help you find the income your building’s been leaving on the table.
