- Mould in corners where the walls and ceilings meet
- Painted concrete floors in the basement, with circular marks of where pots once were
- Evidence of tampering with the electric meter or the ground around it
- Evidence of windows and doors having been sealed
- Indications that landscaping has not been consistently maintained
- Unusual or modified wiring on the exterior of the house
- Brownish stains around the soffit that bleed down along the siding
- Concrete masonry patches, or alterations on the inside of the garage
- Patterns of screw holes on the walls
- Alteration of fire places
- Denting on front doors (from police ramming the door)
Identifying Potential Grow House Operators (Purchasers):
- Third party purchasers
- Questionable income sources
- No contract negotiation
- Offers to pay in large amounts of cash; multiple cash transactions
- Multiple down payments on behalf of one individual
- Secretiveness and no reasonable explanations
Identifying Potential Grow House Operators (Renters):
- Did the renter check out every room?
- Have references been provided and do they check out?
- Did the renter spend a lot of time viewing the breaker boxes, wiring and plumbing?
Contact your local police department for more information or specific concerns
Source: Toronto Regional Real Estate Board – Compiled with information from the Canadian Real Estate Association and chrismathers inc. crime and risk consulting