Written by Gurjit Ghai, REALTOR®
Rexara Realty Inc.·Published: October 2, 2026·Farm Types
A commercial greenhouse is one of the most capital-intensive forms of agricultural real estate in British Columbia. Unlike open-field farmland, where the value sits mostly in the soil and water, a greenhouse operation's value sits in the structures, the heating, the electrical, the irrigation system and the production capacity those assets create. Buying one is closer to buying a small industrial facility than to buying a hay field — and a buyer who treats it like ordinary farmland will miss most of what they are paying for.
BC has a real commercial greenhouse sector, concentrated in areas where land, climate, water and access to markets line up. See our Commercial Greenhouses for Sale hub for an overview, but the purchase decision itself deserves its own analysis because the assets involved are so different from open land.
Greenhouse value is in the infrastructure, not the soil
With open farmland, the soil capability class is central to value. With a greenhouse, the soil is often secondary — the crop grows in containers, hydroponic systems or raised beds. What you are really buying is the building envelope, the climate-control systems and the production capacity they deliver.
Glass vs. poly: the first thing to understand
Commercial greenhouses in BC are broadly split into two construction types, and the choice shapes everything about the operation — cost, lifespan, light transmission, heating load and resale value.
| Type | What it is | Trade-offs for a buyer |
|---|---|---|
| Glass greenhouse | Rigid, permanent structure with glass glazing on a steel or aluminum frame. | Longest lifespan and best light transmission, but the highest build cost and the heaviest structure. Repairs are more expensive and less flexible. |
| Poly (polyethylene) greenhouse | Film plastic stretched over a frame, replaced on a multi-year cycle. | Lower build cost, lighter structure, faster to erect or modify — but the film must be replaced periodically and light transmission is lower over time as the film ages. |
| Rigid poly / polycarbonate | Twin-wall or corrugated rigid plastic panels. | A middle ground: better insulation than single film, more durable than poly film, but panels can yellow and reduce light over time. |
A buyer should identify which type is on the property and how old the structure and glazing are. A poly greenhouse near the end of its film cycle is a near-term capital expense, not a turnkey operation. A glass greenhouse with aging putty or seals is a maintenance project. None of this is visible from the listing photos, and none of it shows up in a standard farmland assessment.
Heating and energy: the largest operating cost
In a controlled-environment greenhouse, heating is typically the single largest operating cost — larger than labour in many operations. BC's climate makes heating a year-round concern for most crops, and the heat source determines both the cost structure and the environmental footprint of the operation.
Identify the heating system on the property: natural gas, propane, biomass, geothermal, or electric. Natural gas is common in areas with pipeline access and is usually the cheapest per unit of heat; propane and biomass are typical where gas is not available. Ask for recent utility or fuel records so you understand the real heating load — the listed square footage tells you nothing about the cost of keeping a crop alive in January.
Energy infrastructure is part of the purchase
Boilers, heat lines, radiant tubing, climate controls and backup heat are all part of the asset you are buying. A failed or undersized heating system is a six-figure problem on a commercial greenhouse, and it is exactly the kind of thing a buyer discovers only after closing if they did not inspect it.
Water: volume, not just rights
Open farmland needs water rights; a greenhouse needs water rights and water volume. A productive greenhouse uses substantial water continuously through the production cycle, and the delivery system — pumps, filtration, fertigation, holding tanks — is as important as the source. A property with a valid water licence but an undersized well or an aging pump system is a property that cannot run a full greenhouse crop without upgrades.
Check the source (well, municipal, surface), the licence capacity, the storage on site, and the condition of the irrigation and fertigation equipment. Confirm that the water source and delivery system match the intended crop and scale — a system built for bedding plants is not the same as one built for hydroponic vegetables.
Drainage, grading and the building footprint
Greenhouses shed enormous volumes of water from their roofs. The site grading, perimeter drainage and stormwater management must carry that water away from the structures and the growing areas. Poor drainage around a greenhouse leads to flooding, disease pressure and foundation issues — problems that are expensive to fix after the structures are in place.
Walk the site looking for standing water lines, eroded drainage paths and the condition of perimeter drains. On open farmland, a wet corner is a nuisance; under a greenhouse, it is a structural and biological risk.
ALR status and what you can actually build
Most BC commercial greenhouse land sits inside the Agricultural Land Reserve. Greenhouse production is a farm use, so the activity itself is generally permitted — but the scale of structures, the size of the footprint, and any associated processing, packing or retail all interact with ALC rules and local zoning. A buyer planning to expand the existing footprint should never assume the expansion is allowed; confirm the rules with the ALC and the local government before counting on it.
The same caution applies to a second residence or worker housing. See our guidance on secondary dwellings — additional housing on ALR land is restricted, and a greenhouse operation that depends on on-site workers may find that the housing it needs is not permitted as assumed. Verify, do not assume.
Age, condition and the production history
A greenhouse operation is only as good as the condition of its systems. Ask for the production history and the maintenance records — what was grown, at what scale, and what has been replaced. A property that has been idle or underused may have systems that have degraded from disuse: seized pumps, cracked lines, dead controls. An operation that has been running at capacity is often a better bet than one that has been sitting, even if the latter looks cleaner.
Treat this like any other due diligence purchase, but with the infrastructure inspected at the level of a commercial building, not a farm shed. Where the value justifies it, engage a specialist to assess the structure, the heating and the irrigation systems before you commit.
- 1Identify glass vs. poly vs. rigid polycarbonate, and the age of the structure and glazing.
- 2Inspect the heating system, fuel source, boilers and controls; request recent energy records.
- 3Confirm the water source, licence capacity, storage and the condition of irrigation/fertigation equipment.
- 4Assess site grading, perimeter drainage and stormwater handling around the structures.
- 5Verify ALR status and what expansion, processing or additional housing is actually permitted.
- 6Review the production history and maintenance records for the last several seasons.
- 7For a high-value purchase, commission a specialist inspection of the structure and mechanical systems.
A commercial greenhouse is a production facility on protected agricultural land. Value it for its infrastructure and its output, not for its soil, and you will see the purchase the way an operator does — which is the only way to price it correctly.
Important: This information is educational only and is not legal, tax, financial or regulatory advice. ALR rules, water licensing, zoning and farm-classification requirements can change and depend on your specific property and circumstances. Always verify with the relevant BC authorities and qualified professionals before making decisions.
Frequently Asked Questions
- What is the difference between a glass and a poly commercial greenhouse?
- Glass greenhouses are permanent, rigid structures with the longest lifespan and best light transmission, but the highest build and repair cost. Poly (polyethylene) greenhouses use film plastic over a frame — cheaper, lighter and easier to modify, but the film must be replaced periodically and light transmission drops as it ages. Rigid polycarbonate sits between the two. The type and its age are central to the property's value and near-term capital needs.
- Why is heating the biggest cost in a BC greenhouse?
- In a controlled-environment greenhouse, heating is typically the largest operating cost — often larger than labour — because BC's climate requires year-round temperature control for most crops. The heat source (natural gas, propane, biomass, geothermal) and the condition of the boilers and controls determine the real cost structure. Always request recent fuel or utility records before buying.
- Does a greenhouse need different water infrastructure than open farmland?
- Yes. A productive greenhouse needs both water rights and high water volume delivered continuously, plus pumps, filtration, fertigation and storage. A property can have a valid water licence but an undersized well or aging pump system that cannot support a full greenhouse crop. Match the source and delivery system to the intended crop and scale.
- Can I expand a greenhouse on ALR land in BC?
- Greenhouse production is generally a permitted farm use on ALR land, but the scale of structures, the footprint, and any processing, packing or retail interact with ALC rules and local zoning. Never assume an expansion is allowed — confirm what is permitted with the ALC and the local government before relying on a future build-out in your purchase decision.
- Is soil quality important when buying a greenhouse property?
- Usually less so than with open farmland, because greenhouse crops often grow in containers, hydroponic systems or raised beds rather than in the native soil. The value sits in the structures, the climate-control systems and the production capacity — the soil is often secondary. That said, site drainage and grading matter a great deal.
- What should I inspect before buying a commercial greenhouse in BC?
- Inspect the structure type and glazing age, the heating system and energy records, the water source and irrigation equipment, site drainage and stormwater handling, ALR status and permitted uses, the production history, and the maintenance records. For a high-value purchase, commission a specialist inspection of the structure and mechanical systems, not just a standard farm inspection.
Gurjit Ghai, REALTOR®
Personal Real Estate Corporation
Brokerage: Rexara Realty Inc.
Gurjit Ghai is a BC real estate professional specializing in agricultural land, ALR properties, and farm operations across British Columbia. He helps buyers and sellers navigate water rights, soil capability, farm classification, and the unique due diligence that farmland transactions require.