What Is Industrial Outdoor Storage? The Canadian Operator's Guide

A 5-acre paved lot behind a trucking terminal in Mississauga just leased for $12,500 per acre per month. No building on it. No warehouse. No dock doors. Just gravel, a chain-link fence, and a security gate. The tenant — a national 3PL — signed a five-year triple-net lease without negotiating the rate down a dollar. That lot is Industrial Outdoor Storage, and in Canada right now, it is the single most supply-constrained segment of commercial real estate.

This is the foundational guide to the IOS asset class in Canada — what it is, who uses it, how it’s valued, and why virtually every major logistics corridor in this country has a growing deficit of it.

What Qualifies as Industrial Outdoor Storage

Industrial Outdoor Storage is industrially zoned real estate where the primary economic value comes from the land itself rather than any building on it. According to Colliers’ analysis of the sector, these sites typically carry a Floor Area Ratio below 20% — meaning the usable outdoor acreage is the asset, not the structure. If a building exists at all, it’s a small dispatch office or a maintenance bay. The land does the work.

IOS sites are used for commercial truck and trailer parking, heavy equipment staging, shipping container storage, fleet yards, materials laydown, and construction staging. They range from half-acre infill lots in dense urban corridors to 50-acre mega-yards along major highway interchanges.

This is not a parking lot and it is not a warehouse. It is a distinct asset class with its own underwriting metrics, tenant profile, lease structures, and risk factors. Conflating IOS with traditional industrial real estate is the single most common mistake new entrants make — and it leads directly to mispriced deals and misread zoning.

How IOS Differs from Traditional Industrial Real Estate

The distinction between IOS and traditional industrial (warehousing, logistics facilities, distribution centres) is fundamental. Three things separate them.

Underwriting is inverted. Traditional industrial is valued on price per square foot of enclosed building area. IOS is valued on price per usable acre. The word “usable” is critical — topographical challenges, wetland setbacks, utility easements, and stormwater retention requirements can cut 30% or more off a parcel’s actual leasable footprint. Investors pay for the land a loaded trailer can physically sit on, nothing more.

Capex is minimal. Developing a modern warehouse requires massive capital: tilt-up concrete shells, roofing systems, HVAC, laser-levelled flooring for automation. An IOS site needs grading, gravel or asphalt surfacing, perimeter fencing, security lighting, and an access gate. Commercial grading runs $15,000 to $45,000 per acre depending on topography and soil conditions. Industrial chain-link fencing costs $10 to $20 per linear foot. The total capital to bring a raw site to operational readiness is a fraction of vertical construction — and the timeline is weeks, not years.

Landlord obligations are near zero. Both asset types typically use NNN lease structures, but in IOS there is no building to maintain. No roof to replace, no HVAC to service, no elevator to inspect. The tenant handles property taxes, insurance, and all site maintenance. What’s left for the landlord is close to pure passive income.

Who Uses IOS — and Why They Can’t Find Enough of It

IOS demand is diversified across sectors that don’t correlate with each other, which makes the asset class unusually resilient to single-sector downturns. The major tenant categories in Canada:

Trucking and logistics companies are the foundational users. 3PLs, LTL carriers, and owner-operators need staging yards adjacent to highway corridors for trailer drops, container transfers, and overnight fleet parking. Canada had 26.8 million registered road vehicles in 2024, with Class 8 trucks (the big rigs) representing 87.7% of all heavy-duty vehicles on the road, according to Statistics Canada. Every one of those trucks needs a place to park when the driver’s Electronic Logging Device hits the federally mandated off-duty threshold — and there aren’t enough spaces. A 2019 study of the southern Ontario corridor recommended 350 new truck parking spaces over three years. Instead, the region lost nearly 1,000 spaces as private truck stops permanently closed.

Equipment rental companies — United Rentals, Herc, Sunbelt — store massive inventories of earthmovers, boom lifts, and trenching equipment between deployments. These are national credit tenants signing long-term leases. For landlords, they’re the ideal IOS occupant.

Construction firms and material distributors need laydown yards for lumber, structural steel, concrete piping, and roofing supplies. This demand is counter-cyclical in an important way: roofing supply companies like Beacon aren’t dependent on new housing starts. Roofs need replacing on every existing building regardless of the economic cycle.

E-commerce last-mile operators — Amazon, Purolator, FedEx, UPS — have fundamentally reorganized urban logistics. A single 18-wheeler used to deliver a full load to a retail mall. Now that same volume is broken into dozens of sprinter van deliveries direct to doorsteps. Those sprinter vans need acres of staging and overnight parking as close to the urban core as legally possible.

Municipalities and utilities stage transit fleets, emergency vehicles, snow-clearing equipment, and utility repair infrastructure (transformers, cable spools, water main piping) on IOS sites. Public sector tenants bring predictable, recession-proof demand.

Oil and gas service companies in Western Canada require vast yards for pipeline staging, drilling rig storage, and well-service fleet parking — particularly during spring break-up when heavy loads are banned from rural roads.

The common thread: every one of these tenants needs outdoor space that is zoned for heavy use, accessible by highway, and available now. And in virtually every major Canadian market, the supply isn’t there.

Why IOS Supply Is Permanently Constrained in Canada

The scarcity of IOS in Canada isn’t cyclical. It’s structural, driven by three forces that compound over time.

Highest and Best Use erosion is permanent. When a 5-acre industrial yard gets rezoned to residential and a 40-storey condo tower goes up, that IOS supply is gone forever. It will never revert to industrial use. In Metro Vancouver, the city is physically hemmed in by the ocean, mountains, and the US border — there is literally nowhere to create new industrial land. In the GTA, the expansion of GO Transit and the Ontario Line is incentivizing developers to acquire low-density industrial parcels near planned stations, hold the existing tenants temporarily, then upzone to residential. Every transit expansion announcement destroys future IOS supply.

Municipal zoning actively suppresses new supply. Most municipalities view IOS unfavourably — it generates low property tax per acre compared to vertical buildings and introduces truck traffic and noise. Zoning bylaws are the weapon of choice. The most common restriction is the “accessory-use-only” requirement: a business can only store materials outside if that storage is directly tied to a primary business operating in a building on the same lot. This kills pure-play parking and storage operations entirely. Even where outdoor storage is technically permitted, municipalities demand expensive screening, landscaping berms, and deep setbacks that can destroy the economics of a site.

The national industrial vacancy context makes it worse. Altus Group reported the national industrial availability rate at 6.3% as of Q4 2025 — but that number measures traditional industrial with buildings. The availability of land specifically zoned and permitted for unencumbered outdoor storage is dramatically tighter. There is no centralized Canadian dataset tracking IOS vacancy independently, which is itself evidence of how underdeveloped the market’s data infrastructure remains.

How IOS Is Valued and What It Yields

IOS is underwritten differently from every other commercial real estate asset class in Canada. The financial profile is what’s drawing institutional capital at an accelerating pace.

Lease rates reflect extreme scarcity. In the GTA, paved IOS sites are commanding $7,000 to $12,500 per acre per month on recent listings. In the US, CBRE’s Q4 2025 data shows IOS rents averaging a 17.9% premium over traditional enclosed industrial, with IOS vacancy at 2.5% versus 6.7% for standard industrial. Canadian metros with comparable supply constraints — the GTA, Metro Vancouver, Ottawa — are trending toward similar dynamics.

Cap rate compression is underway. Historically, IOS traded at a yield premium over traditional industrial because investors demanded compensation for the lack of a building as collateral. That spread is compressing fast as institutional capital floods the sector. Fully paved, secured infill sites leased to national credit tenants are increasingly trading at yields that mirror Class A logistics.

The covered land play is the institutional thesis. Sophisticated investors buy IOS sites to collect high-yield NNN income while the underlying land appreciates toward its eventual Highest and Best Use. When urban expansion finally makes the land more valuable as residential or mixed-use, they sell to a developer at a massive premium. The IOS tenant effectively covers the carrying cost of what is fundamentally a lucrative long-term land speculation.

Target IRRs for institutional holds run 12% to 16% over 7 to 10 years, driven by aggressive rent escalation on renewals (because tenants have nowhere else to go) and terminal land appreciation.

Who’s Deploying Capital into Canadian IOS

This asset class has moved well past the early-adopter phase. PGIM provided $103 million in acquisition financing to Alterra IOS in March 2026, secured against a 23-asset portfolio across 18 markets. Zenith IOS formed a $700 million joint venture with J.P. Morgan to accelerate their roll-up strategy. Realterm acquired a 22-property, 79-acre IOS portfolio in early 2026.

On the domestic side, Choice Properties REIT — one of Canada’s largest — acquired eight IOS sites across Canada for $158 million in the first half of 2025. When a REIT historically dominated by grocery-anchored retail and distribution centres starts buying dirt yards, the signal is unambiguous: institutional Canada considers IOS a core asset class, not a niche.

Lenders have followed. Where Canadian banks once viewed land-heavy assets with scepticism (no building means no collateral in traditional underwriting), IOS now attracts dedicated debt from CMBS markets, bridge lenders, and institutional facilities. The asset class’s near-zero vacancy and sticky tenant base have flipped the lending narrative entirely.

The Technology Gap and Why It Matters

The Canadian IOS market remains remarkably analog. There is no CoStar vertical for outdoor storage, no centralized rent comp database, and no standardized listing platform. Transactions happen through broker networks, word of mouth, and — still — Kijiji ads.

Proptech platforms like ParkPro, FinPark, and Rig Hut are beginning to digitize truck parking and yard management, but market-level data transparency is years away. For operators, this means sourcing IOS space requires working through specialized channels. For investors, it means pricing still relies on ad-hoc lease comps gathered informally — creating inefficiencies that informed players can exploit.

This data vacuum is a defining feature of the current Canadian IOS market, and it is both the sector’s biggest operational frustration and its most compelling opportunity.

What This Means for Canadian Operators

IOS in Canada is defined by structural scarcity, institutional validation, and a massive data gap. The tenants need space that doesn’t exist in sufficient quantity. The municipalities are making it harder to create new supply. The institutions are buying everything that’s properly zoned. And the entire market still operates without centralized data or a dedicated platform.

YardScout checks every listed site’s zoning against the municipal by-law and states what the by-law actually allows. Where outdoor storage is only legal non-conforming — no matter how functional the site appears — the listing should say so plainly. In an asset class where zoning compliance is the single biggest risk, verification isn’t a feature. It’s the baseline.