BC Assessment vs Market Value: What's Your Coquitlam Home Actually Worth in 2026?
Why your January 2026 BC Assessment notice doesn't match what your home will actually sell for — the gap explained, with real Coquitlam data.
Quick Answer
In Coquitlam in 2026, BC Assessment values are running 6–14% below actual market value on average, depending on neighbourhood and property type. The gap exists because BC Assessment values are anchored to July 1 of the prior year (July 2025), reflect mass-appraisal techniques, and lag the live spring market. Use your assessment for property-tax planning, not for pricing your home or setting your offer.
What your January 2026 BC Assessment notice actually told you
Every BC homeowner received an assessment notice in early January 2026. The number on it is the assessed value of your property as of July 1, 2025. That date is fixed by the Assessment Act — every property in BC is valued at the same point in time so the assessment roll can be used fairly for property-tax distribution.
That single date matters more than most homeowners realize, because it's the source of the entire confusion between assessed value and market value. By the time you get your notice in January, the data is already six months stale. By the time spring market kicks in, it's nine months stale.
Your assessment is a property-tax document. It is not a real estate appraisal. Confusing the two is the most common mistake I see Coquitlam homeowners make when they're trying to price their home or make an offer.
The five reasons assessment and market value diverge
1. The valuation date lag
BC Assessment freezes value as of July 1 of the prior year. If the market moves between July and January (it almost always does), the assessment doesn't reflect that movement. In a rising market, your assessment understates true value. In a falling market, it overstates it. Right now, Coquitlam detached is 1.4% above where it was in July 2025 — so most assessments are slightly understated.
2. Mass appraisal vs. individual appraisal
BC Assessment evaluates 2.18 million properties province-wide using mass-appraisal techniques: square footage, lot size, age, neighbourhood comparable sales. They don't walk through your home. They don't see your renovated kitchen, your view, your backing-onto-greenbelt lot, your finished basement, your foundation issue, or your dated 1985 bathroom. A real estate appraiser or a working REALTOR® weights all of those.
3. Property condition assumptions
BC Assessment assumes "average condition for age." If your home is in better-than-average condition (recent renovations, well-maintained, premium finishes), market value is meaningfully above assessment. If your home is below-average (deferred maintenance, original 1980s finishes, structural issues), market value can be below assessment.
4. Lot quality nuances
A flat usable lot, a view lot, a pie-shaped lot at the end of a cul-de-sac, a lot backing onto a greenbelt, and a lot facing a busy street all assess identically if they're the same size in the same neighbourhood. The market values them very differently — view premiums in Westwood Plateau can run 8–15%; busy-street discounts run 5–10%.
5. The micro-location premium
Two homes on the same street can have meaningfully different market values based on positioning, sun exposure, neighbour quality, and street position. Assessment doesn't capture this. Market does.
Coquitlam neighbourhood data: typical assessment-to-market gap (2026)
| Neighbourhood | Typical assessment | Typical market value | Gap (market over assessment) |
|---|---|---|---|
| Burke Mountain (5–10 yr detached) | $1.78M | $1.94M | +9% |
| Westwood Plateau (view detached) | $1.92M | $2.18M | +14% |
| Central Coquitlam (older detached) | $1.61M | $1.71M | +6% |
| Eagle Ridge (family detached) | $1.66M | $1.79M | +8% |
| Heritage Mountain (Port Moody) | $2.14M | $2.34M | +9% |
| Burquitlam high-rise (condo) | $688K | $738K | +7% |
| Coquitlam townhome (3-bed) | $948K | $1.06M | +12% |
The biggest gaps in 2026 are in Westwood Plateau (because view-lot premiums are under-captured) and Coquitlam townhomes (because the property type has had stronger appreciation since July 2025 than detached). The smallest gaps are in Central Coquitlam, where the older detached stock has more individual condition variation that mass-appraisal handles roughly correctly on average.
What this means if you're selling
Don't price your home off your assessment. Three of the four most common pricing mistakes I see come from sellers who do this:
- Pricing too low because their assessment is below the live market. They list at assessment thinking that's a "fair" price and leave $80,000–$200,000 on the table.
- Pricing too high because their neighbour's assessment came in higher than the market would actually bear, and they refuse to drop below their neighbour's number.
- Anchoring debates with buyers around assessment during negotiation. Buyers cite low assessments to argue for lower offers; sellers cite high assessments to defend high prices. Neither approach reflects reality.
The right way to price: pull the last 60 days of comparable closed sales (not active listings, not pending sales — closed sales) within a half-kilometer radius, adjust for square footage and condition, and price within that range. That's what your buyer's appraiser will do when the buyer's lender asks for an appraisal at financing time. Match your pricing to that reality and your home will sell.
What this means if you're buying
Three things to know before you write an offer based on assessment:
- The seller's assessment doesn't tell you what the home is worth. It tells you what their property tax bill is based on. Don't anchor your offer to it.
- The list price isn't necessarily the market price either. It's what the seller is asking. Whether that's correct depends on how it was priced (see above).
- The right anchor is closed sales. Ask your REALTOR® for a comparable sales analysis — closed sales of similar homes in the same area in the last 60 days. That tells you the actual market range the home should fall within.
If a home is listed at assessment, that's often a signal the seller doesn't have great representation or hasn't done their pricing homework. It can be an opportunity (if assessment is below market) or a trap (if assessment is above market and the home will appraise low at financing).
How your assessment affects your property taxes
Your property taxes are calculated by multiplying your assessed value by the municipal mill rate. In Coquitlam in 2026:
- Residential mill rate (City of Coquitlam): 2.4862 per $1,000 of assessed value
- Plus regional and provincial levies: roughly 0.8 per $1,000
So a $1.81M detached home in Coquitlam pays roughly $5,950 in 2026 property taxes (depending on home grant eligibility and other factors).
If you think your assessment is wrong — specifically too high — you have until January 31, 2026 (the deadline has passed for this year) to file a formal appeal. If you missed that window, you can still call BC Assessment directly to discuss it, and they can sometimes correct obvious errors administratively.
For 2027, the appeal deadline will be January 31, 2027 (always the last day of January). Worth noting if your assessment came in well above what you believe market value to be — a successful appeal can reduce your property taxes for the year.
Frequently asked questions
Is BC Assessment the same as market value?
No. BC Assessment is a mass-appraisal estimate of your home's value as of July 1 of the prior year, used for property-tax distribution. Market value is what a willing buyer will actually pay today, based on current conditions, the home's specific condition, and recent comparable sales. The two regularly differ by 5–15%.
Why is my BC Assessment lower than what my neighbour's house sold for?
Because BC Assessment is anchored to July 1 of the prior year and uses mass-appraisal techniques that don't capture individual home condition, lot quality, view, or recent renovations. Your neighbour's home likely sold above assessment because the market has moved, or because their home has features the assessment didn't capture.
Should I price my Coquitlam home off the BC Assessment?
No. Price it off the last 60 days of comparable closed sales in your immediate area. The assessment is a property-tax document, not a real estate appraisal. Pricing off the assessment is one of the most common — and costly — mistakes I see sellers make.
Can I appeal my BC Assessment if I think it's too high?
Yes, but the deadline is January 31 each year. For 2026, that window has closed. For 2027, file by January 31, 2027. You can also call BC Assessment directly to discuss obvious errors, which they can sometimes correct administratively outside the formal appeal window.
What's the gap between BC Assessment and market value in Coquitlam right now?
On average, market value runs 6–14% above assessment depending on neighbourhood and property type. Westwood Plateau detached and Coquitlam townhomes have the largest gaps; Central Coquitlam older detached has the smallest. See the table above for typical gaps by neighbourhood.
If my assessment went up a lot, will my property taxes go up the same amount?
Not necessarily. Property tax bills depend on both your assessment AND the municipal mill rate. If your assessment increased the same percentage as the average of all Coquitlam homes, your tax bill will be roughly flat (just shifting the same total tax burden across slightly higher values). If your assessment increased more than the average, your taxes will go up. Less than the average, they may go down.
Does a higher BC Assessment make my home worth more when I sell?
No, it has zero effect on what a buyer will pay. Buyers and their REALTORS® price based on comparable closed sales, not assessments. A high assessment doesn't help you; a low assessment doesn't hurt you. When pricing your home, ignore your assessment and look at the last 60 days of closed sales in your area.
Sources & Methodology
This analysis is built from six authoritative data sources:
- BC Assessment — 2026 assessment roll, valuation methodology, and the Assessment Act provisions defining the July 1 valuation date.
- Land Title and Survey Authority of British Columbia (LTSA) — Closed-sale registry data confirming actual transaction prices in Coquitlam, January–April 2026.
- Greater Vancouver Realtors (GVR) — April 2026 Statistics Package, HPI benchmark prices, and 60-day closed-sale data by neighbourhood.
- City of Coquitlam — 2026 mill rate by property class, property-tax calculation methodology.
- BC Ministry of Finance — 2026 home owner grant thresholds and provincial/regional tax levies.
- Statistics Canada — Coquitlam population and household-formation data Q1 2026 used to contextualize neighbourhood demand patterns.
Methodology: assessment-to-market gaps were calculated by averaging the difference between 2026 assessed values and actual closed sale prices for Coquitlam properties sold January–April 2026. Sample sizes by neighbourhood ranged from 14 sales (Westwood Plateau view detached) to 89 sales (Burquitlam condo).
Signed: Craig Johnston, REALTOR® V99960 · The Macnabs · Royal LePage Elite West
What's your home actually worth?
If you're trying to figure out what your Coquitlam home is actually worth in spring 2026 — not what your assessment says, but what a buyer will pay — I run a free home evaluation that walks through the last 60 days of closed sales in your immediate area and gives you a defensible price range.
Direct: 604-202-6092 · Craig@theMACNABS.com