How Much Is My House Worth? Home Valuation Methods in Canada
Updated
Whether you’re thinking about selling, refinancing, accessing home equity, or just curious — knowing your home’s current value is essential. Here are all the ways to determine what your house is worth in Canada, from free online tools to professional appraisals.
Valuation methods at a glance
Method
Cost
Accuracy
Speed
Best For
Online estimator (AVM)
Free
±5%–15%
Instant
Quick ballpark estimate
Municipal assessment
Free
Often below market
Already available
Understanding property tax basis
Comparative Market Analysis (CMA)
Free
±3%–10%
1–3 days
Pre-listing or general planning
Professional appraisal
$300–$500
±2%–5%
3–10 days
Lender requirements, legal matters
Desktop appraisal
$100–$200
±5%–10%
1–3 days
Some lender applications
Drive-by appraisal
$150–$300
±5%–10%
2–5 days
HELOC applications
Method 1: Online home value estimators (AVMs)
Automated Valuation Models use algorithms, recent sales data, property records, and market trends to estimate your home’s value.
How AVMs work
Data Used
What It Tells the Algorithm
Recent comparable sales
What similar homes sold for nearby
Property characteristics
Size, age, lot size, number of bedrooms/bathrooms
Tax assessment data
Baseline property details
Local market trends
Price direction and momentum
Listing history
Previous sale prices and listing prices
Popular Canadian tools
Tool
Coverage
Data Source
Notes
HouseSigma
Ontario, BC, Alberta, others
MLS sales data
Most comprehensive in Ontario; shows actual sold prices
Zoocasa
National
MLS and public records
Provides estimate range
Redfin
Major Canadian markets
MLS data
Redfin Estimate with confidence score
Realtor.ca
National
CREA MLS
Listing data (not sold prices in all provinces)
Wowa.ca
National
Public data + MLS
Neighbourhood-level estimates
MPAC (Ontario)
Ontario
Municipal assessment data
Assessment value, not market value
AVM accuracy factors
Factor
More Accurate
Less Accurate
Location
Urban/suburban with many sales
Rural or low-volume areas
Property type
Standard detached, semi, condo
Unique, custom-built, heritage homes
Recent sales
Many comparables in last 6 months
Few or no recent sales nearby
Renovations
Standard condition
Major upgrades (kitchen, additions) not in public data
Market conditions
Stable market
Rapidly rising or falling market
Use AVMs as a starting point — they’re great for a quick ballpark but should not be your only source for major financial decisions.
Method 2: Municipal property assessment
Every province has a property assessment authority that determines values for property tax purposes.
Provincial assessment authorities
Province
Authority
Assessment Cycle
Website
Ontario
MPAC (Municipal Property Assessment Corp)
Every 4 years (currently frozen at 2016 values)
mpac.ca
BC
BC Assessment
Annually (July 1 valuation date)
bcassessment.ca
Alberta
Municipal assessors
Annually (July 1 valuation date)
Varies by municipality
Quebec
Municipal evaluation roll
Every 3 years
Varies by municipality
Manitoba
Municipal assessment offices
Every 2 years
Varies by municipality
Saskatchewan
SAMA (Sask Assessment Management Agency)
Every 4 years
sama.sk.ca
Nova Scotia
PVSC (Property Valuation Services Corp)
Annually
pvsc.ca
New Brunswick
Service New Brunswick
Annually
snb.ca
PEI
Provincial Treasury
Annually
princeedwardisland.ca
Newfoundland
Municipal Assessment Agency
Varies
ma.gov.nl.ca
Why assessment value ≠ market value
Factor
Assessment
Market Value
Timing
May be 1–4 years old
Current as of today
Methodology
Mass appraisal (statistical models)
Individual property analysis
Interior condition
Rarely inspected
Considered by buyers/appraisers
Renovations
May not be captured
Directly impacts value
Market sentiment
Uses historical data
Reflects current demand
Purpose
Tax calculation
What a buyer would actually pay
Ontario example: MPAC assessments have been frozen at 2016 values since 2017 (assessment updates deferred through multiple provincial decisions). A home assessed at $500,000 (2016 value) may be worth $850,000+ at current market prices.
Method 3: Comparative Market Analysis (CMA)
A CMA is a report prepared by a real estate agent that estimates your home’s value based on recent sales of similar properties.
What a CMA includes
Component
What It Covers
Active listings
What competing homes are currently asking
Sold comparables
What similar homes actually sold for (last 3–6 months)
Expired/withdrawn listings
Homes that failed to sell — indicates price ceiling
Adjustments
Differences between your home and comps (size, condition, features)
Price recommendation
Suggested value range
What makes a good comparable
Factor
Ideal Comparable
Location
Same neighbourhood (within 500m–1km)
Property type
Same type (detached, semi, condo)
Size
Within 10%–15% square footage
Age
Within 10 years
Condition
Similar renovation level
Sale date
Sold within last 3–6 months
Lot size
Similar (for freehold properties)
CMA pros and cons
Pros
Cons
Free (agents provide as a service)
Agent may inflate value to win the listing
Considers local knowledge and nuance
Quality varies widely by agent
More accurate than AVMs for unique properties
Not a formal appraisal — not accepted by lenders
Available within 1–3 days
Subjective — different agents may give different values
Tip: Ask 2–3 agents for CMAs and compare. If all three are within 5% of each other, you have a reliable range.
Method 4: Professional appraisal
A certified appraisal is the gold standard for home valuation. It’s the only method accepted by lenders for mortgage and equity lending decisions.
What appraisers evaluate
Category
Specific Items
Exterior
Condition, construction type, roof, siding, foundation, lot grading