Glossary of housing terms
Reference · 61 entries · revised August 2026
These are the terms that recur across the guides, defined as they are used here. Where a word carries a different technical meaning in a particular contract or statute, that document governs and this list does not.
A B C D E F G H I L M N O P R S T U V Z
A
- Abatement
- A temporary reduction in property tax granted to a building, usually with a stated expiry date.
- Amortisation
- The schedule by which a loan's balance is repaid in full over its term.
- Appraisal
- A lender's valuation of a property as security for a loan. It is not an inspection.
- Assessment (building)
- A one-off charge levied on unit owners for work the reserves do not cover.
- Assessment (tax)
- The value a municipality assigns to a property for the purpose of taxing it.
B
- Basis
- The recorded cost of a property, used to calculate gain when it is later sold.
- Board package
- The financial and personal documentation a co-operative board requires from a purchaser.
C
- Chain of title
- The unbroken sequence of recorded transfers leading to the present owner.
- Closing
- The meeting or process at which funds move and the deed is delivered.
- Closing costs
- The taxes, fees and prepayments due at closing, payable in cash and not borrowable.
- Co-operative
- An ownership form in which shares in a corporation carry a lease of an apartment.
- Common charge
- A condominium's monthly charge for operating the building's shared elements.
- Common elements
- The parts of a condominium owned jointly by all unit owners.
- Comparable
- A recently sold property similar enough to be used as price evidence.
- Condominium
- An ownership form in which a unit is owned outright as real property.
- Contingency
- A condition in a contract that must be satisfied before the parties are bound to complete.
- Covenant
- A recorded promise limiting how land may be used, binding on later owners.
D
- Days on market
- How long a property has been advertised before going under contract.
- Deed
- The instrument that transfers ownership of real property.
- Default
- Failure to meet an obligation under a loan or lease.
- Deposit
- Money paid on contract, held pending completion; also the cash portion of a purchase price.
- DTI
- Debt-to-income: total monthly obligations expressed as a share of gross monthly income.
E
- Easement
- A right held by someone else to use part of the land, such as access or a utility run.
- Encroachment
- A structure that crosses a boundary onto neighbouring land.
- Encumbrance
- Any recorded claim or burden against a property.
- Equity
- The value of a property less what is owed against it.
- Escrow
- Money held by a third party, or a monthly sum collected for tax and insurance.
F
- Fixed rate
- An interest rate that does not change for the term of the loan.
- Flip tax
- A transfer fee payable to a co-operative when shares are sold.
- Floor area ratio
- The permitted floor area of a building expressed as a multiple of its lot area.
- Freehold
- Ownership of land and the buildings on it without a time limit.
G
- Ground lease
- A long lease of the land beneath a building, held separately from the building.
H
- Historic district
- An area whose exteriors are protected from alteration by designation.
I
- Inventory
- The stock of properties currently advertised for sale in an area.
L
- Lien
- A recorded claim securing a debt against a property.
- List-to-sale ratio
- The relationship between asking prices and achieved prices.
- LTV
- Loan-to-value: the loan expressed as a share of the property's appraised value.
M
- Maintenance
- A co-operative's monthly charge, typically including tax and the underlying mortgage.
- Months of supply
- How long current inventory would last at the current rate of sale.
- Mortgage
- A loan secured on real property; also the instrument creating that security.
- Mortgage insurance
- Insurance protecting the lender where the loan-to-value ratio is high.
- Multi-family
- A building containing more than one dwelling unit.
N
- Non-invasive
- An examination made without opening, lifting or excavating any part of a building.
O
- Offering plan
- The document setting out the terms on which units in a building are offered.
- Origination fee
- A lender's charge for making a loan.
P
- Points
- A fee paid at closing to reduce the interest rate on a loan.
- Principal
- The amount of a loan still owed, excluding interest.
- Proprietary lease
- The lease of an apartment that a co-operative's shares carry.
R
- Reserve fund
- Money a building holds against future major repairs.
- Right of first refusal
- A board's right to buy a unit on the same terms as an outside purchaser.
S
- Setback
- A required distance between a building and a boundary, or a step in a building's profile.
- Sponsor unit
- A unit still held by the party that converted or built the building.
- Stoop
- The raised entrance stair characteristic of a row house.
- Sub-market
- A dwelling type, area and price band within which properties genuinely compete.
- Survey
- A drawing establishing legal boundaries and the position of structures within them.
T
- Tenement
- A nineteenth-century multiple dwelling built to a narrow, deep lot.
- Title insurance
- One-off cover against defects in title existing before the purchase.
- Turnover
- How frequently properties in an area change hands.
U
- Underwriting
- A lender's assessment of a borrower's capacity and the security offered.
V
- Variance
- Permission to depart from a zoning requirement in a specific case.
Z
- Zoning
- The rules governing what may be built on a parcel and how it may be used.