HomeLife Frontier Realty Inc., Brokerage Joonghyun Ahn, Sales Representative

Group: Market and prices

Comparative market analysis (CMA)시세 분석

In one sentence

A report in which an agent estimates what a home would sell for by comparing recent sales of similar homes (comps) and current listings. It differs from a lender’s appraisal and the MPAC assessment used for property tax.

Last checked Oct 31, 2026

What is it?

A comparative market analysis (CMA) is a report in which a real estate agent estimates what your home would sell for in today’s market. It starts from the actual sale prices of similar homes that sold recently, then adds or subtracts for the ways your home is different (size, condition, location and so on) to arrive at a price range.

Sellers use it to set the listing price. Buyers use it to decide how much to offer. It is the agent’s opinion, not a legal appraisal, so two agents can come up with slightly different numbers for the same home.

Three different "values" for the same home

The same home can carry three different numbers. Who makes them, and why, is different.

CMAAppraisalMPAC assessment
Who makes itA real estate agentAn independent appraiser hired by the lenderMPAC (Municipal Property Assessment Corporation)
WhyTo set a listing price or an offer priceSo the bank can decide how much to lendSo the city can calculate property tax
As of whenToday’s marketWhen the mortgage is approvedA valuation date set by law (currently January 1, 2016)
CostUsually free (see below)Usually paid by the buyer; ask the lender for the amountNone (it comes in the mail)

The MPAC assessment is for property tax and can be far from today’s market value. Do not use it to price a home.

How is it made?

  1. Pick the comparables (comps): homes of a similar size and type in the same neighbourhood (for condos, the same building) that sold in the last few months. Agents can see actual sale prices in the MLS® System.
  2. Look at active and expired listings: what competing homes are asking now, and what prices failed to sell. An expired listing is a signal that its price was too high.
  3. Make adjustments: turn each difference between a comp and your home (floor area, bedrooms, parking, renovations, floor level, view, road noise) into a dollar amount and add or subtract it.
  4. Set the range: the adjusted numbers point to a range where the home should sell and a suggested listing price. The agent also looks at how fast homes are selling (days on market) and whether it is a buyer’s or seller’s market.

How adjustments work (example)

The table below is a made-up example to show the method. Real adjustment amounts depend on the neighbourhood and the time, and involve the agent’s judgment.

CompSold forDifference from your homeAdjustmentAdjusted
A (same street, 2 months ago)$1,150,000Has one more parking space−$40,000$1,110,000
B (one block over, 1 month ago)$1,060,000Kitchen not renovated+$50,000$1,110,000
C (same street, 3 months ago)$1,180,00010% more floor area−$60,000$1,120,000

For illustration only. When the three numbers cluster at $1,110,000 to $1,120,000, the agent suggests a listing price based on that range.

What does "free home evaluation" mean?

Many agents offer a CMA at no charge to people thinking of selling. I do too. If I can see the home in person, I can include its condition and be more accurate.

"Free" means you do not pay for the report. It does not mean you must list with that agent. You only have a contract with an agent once you sign a listing agreement. Before you accept an evaluation, ask whether anything is expected in return.

Ontario’s advertising rules say that when an agent makes a promise or an offer, any conditions must be clearly stated. If you cannot see the conditions, ask.

What does the law say?

  • Ontario’s Code of Ethics for real estate agents (a regulation under TRESA) says an agent must show reasonable knowledge, skill, judgment and competence when giving opinions, advice or information.
  • An agent must make best efforts to make sure what they say is accurate and not misleading, and must not take part in misrepresentation (giving a false picture of the facts). Leaving out comps on purpose, or changing a sale price in a CMA, would break this rule.
  • RECO’s advertising rules (RECO is the Real Estate Council of Ontario) say claims in advertising must be accurate and verifiable, and promises or offers must state their conditions clearly.
  • Still, a CMA is an opinion. There is no program that automatically pays you if it turns out to be wrong. If you believe an agent broke the rules, you can file a complaint with RECO.

What to watch out for

  • The agent who quotes the highest number is not always the best agent. Some quote high to win the listing. Always ask which comps were used and why.
  • Comps should be sold homes. An asking price is a price nobody has paid yet.
  • Old sales are less useful. When the market moves quickly, prices from a few months ago can be out of date. Using sales from the last few months is common practice.
  • Within one neighbourhood, prices change from street to street, by school zone and by distance to transit. Look at the reasons for each adjustment, not just the numbers.
  • Buyers can ask their agent for a CMA before writing an offer. It gives you a ceiling when you are in multiple offers.

Condos and pre-construction are a little different

Condos are easier to compare because one building has many similar units. The differences that matter are floor level, view, whether parking and a locker are included, and the condo fees. Recent sales in the same building are the best comps.

For pre-construction, there are no sold homes yet, so a normal CMA is hard. Agents look at resale prices of nearby new condos and sales in recently completed buildings. Always compare the builder’s price with what similar resale units nearby are selling for.

Example

Example

A homeowner in Richmond Hill asked two agents for a CMA on a townhouse. One compared three units that sold in the same complex in the last three months and gave a range of $1,110,000 to $1,140,000. The other quoted $1,250,000 with no comps.

The second number looked better, but when asked what it was based on, the answer was "the current listings". The owner priced from the first CMA, listed a little below the two competing listings and sold within three weeks. This is a made-up example and not a promise of results.

What the law and official sources say

Quotes are copied word for word. The "In plain words" lines are our explanation, not an official translation.

TRESA Code of Ethics — Opinions, advice and informationO. Reg. 365/22 (Code of Ethics), s. 9 (2)
Subject to section 10, in carrying on business, a registrant shall demonstrate reasonable knowledge, skill, judgment and competence in providing opinions, advice, assistance or information to any person.

In plain wordsA registered agent must show reasonable knowledge, skill, judgment and competence whenever they give anyone an opinion, advice, help or information. A CMA is covered by this. "Section 10" is the rule that an agent must not give opinions or advice about a trade to a self-represented party (someone in the deal without an agent).

Source: ontario.ca/laws/regulation/220365 · checked Oct 30, 2026

TRESA Code of Ethics — MisrepresentationO. Reg. 365/22 (Code of Ethics), s. 5
In carrying on business, a registrant, (a) shall make best efforts to ensure that any representations are accurate and are not misleading; and (b) shall not engage in or be a party to misrepresentation or any unethical practice.

In plain wordsAn agent must do their best to make sure what they say is accurate and not misleading, and must not take part in misrepresentation. Deliberately wrong comps or prices in a CMA would fall under this.

Source: ontario.ca/laws/regulation/220365 · checked Oct 30, 2026

RECO Bulletin 5.1 — Accuracy and promises in advertisingRECO Bulletin 5.1 Advertising requirements, "Provide clear and accurate information"
Are all statements factually correct, accurate, and verifiable? You must say what you mean and mean what you say. … Promises/offers: If a promise or offer is made, have any conditions or limitations related to the promise or offer been clearly stated?

In plain wordsEvery statement in an agent’s advertising must be true and verifiable. A promise such as "free home evaluation" must clearly state any conditions.

Source: reco.on.ca/agents-and-brokerages/reco-bulletins/reco-bulletin-5-1-advertising-requirements/ · checked Oct 30, 2026

MPAC — Sale price vs. current valueMPAC, "How Sales Affect Your Property Assessment", Sale Price vs. Current Value
The sale price of a property is the final dollar figure negotiated and agreed on between parties. A property’s current value is an informed opinion of its worth, based on analysis of all sales transactions in a given market area.

In plain wordsA sale price is what a buyer and seller agreed on. MPAC’s assessed value is an opinion based on all sales in the area. They are not the same number.

Source: mpac.ca/en/UnderstandingYourAssessment/HowSalesAffectYourPropertyAssessment · checked Oct 30, 2026

MPAC — Direct comparison approachMPAC, "Three Approaches to Value", Direct comparison approach
This is the most commonly used valuation approach. We analyze recent sales of comparable properties to determine the value of your property.

In plain wordsComparing recent sales of similar properties is the most common valuation method, used by MPAC too. A CMA starts from the same idea.

Source: mpac.ca/en/UnderstandingYourAssessment/ThreeApproachesValue · checked Oct 30, 2026

Common questions

How accurate is a CMA?

The more good comps there are, the more accurate it is. A condo in a building with many sales, or a townhouse in a complex, gets a narrow range. An unusual home (large lot, very old, heavily renovated) gets a wide one. In the end, the buyer sets the real price.

How is a CMA different from an appraisal?

A CMA is an agent’s opinion used to set a price. An appraisal is ordered by the lender from an independent appraiser to decide how much to lend. If the appraisal comes in below the price you agreed to pay, you must cover the gap yourself, so a CMA before you write an offer reduces that risk.

My MPAC assessment is far below market. Is that what my home is worth?

No. The MPAC assessment is for property tax and is based on a valuation date set by law (currently January 1, 2016), so it differs from today’s market. Use a CMA based on recent sales to price a home.

If I get a free home evaluation, do I have to list with that agent?

No. You have no obligation until you sign a listing agreement. Conditions can differ between agents, so ask before you accept.

Can a buyer get a CMA?

Yes. Ask your own agent before you write an offer. It helps you set your offer price and your maximum, which matters most in multiple offers.

What if there are no comps for my home?

The agent widens the area or the time period and makes more adjustments. The range becomes wider and less certain. For homes like this, it is common to set a price and then adjust based on market response (showings, offers).

Guides that use this term

Sources checked

  1. O. Reg. 365/22: Code of Ethics (TRESA, e-Laws) · checked Oct 30, 2026
  2. RECO Bulletin 5.1 Advertising requirements · checked Oct 30, 2026
  3. MPAC, How Sales Affect Your Property Assessment · checked Oct 30, 2026
  4. MPAC, Three Approaches to Value · checked Oct 30, 2026