What Information Does BC Assessment Have About My House?
Applies to British Columbia, including Vancouver and the Fraser Valley
Last updated: 2026-01-02
Many homeowners are surprised by how much information BC Assessment already has about their property, and how much of it directly affects the assessed value. This question comes up often across Vancouver, Surrey, Langley, Delta, White Rock, and Abbotsford, especially when a value feels off.
Understanding what data is on file, and where errors commonly appear, is one of the most practical steps a homeowner can take before considering an assessment review or appeal. Mansour Real Estate Group often starts here when helping clients determine whether an assessment issue is worth pursuing.
The types of information BC Assessment typically keeps
- Legal description and civic address
- Lot size and land dimensions
- Property classification (residential, strata, farm, etc.)
- Zoning and permitted land use
- Building size, type, and age
- Number of storeys and construction style
Building and improvement details
BC Assessment records typically include information about the main structure and any known improvements. This can include finished living area, basement details, garages, and outbuildings. These details often come from building permits, inspections, and historical records.
Sales and market-related data
While BC Assessment does not track current listings or buyer demand, it does analyze verified sales of comparable properties around the valuation date. These sales help inform assessed values across neighbourhoods and property classes.
What BC Assessment usually does not know
- Interior condition unless captured through permits or inspections
- Quality of renovations done without permits
- Short-term market changes after the valuation date
- Buyer emotion, competition, or urgency
How errors can find their way into the record
Errors often arise from outdated records, incorrect permit data, assumptions made during mass appraisal, or changes that were never reported or inspected. Even small inaccuracies, like overstated square footage or incorrect classification, can affect assessed value.
Why reviewing this information matters
Before looking at comparable sales or filing an appeal, confirming that BC Assessment’s property details are accurate is often the most efficient first step. Many issues are resolved simply by correcting factual data.
Common questions homeowners ask
Can I see what BC Assessment has on file for my house?
Yes. Property details are available through BC Assessment’s online property information system.
Does BC Assessment know about my renovations?
Only if they were permitted, inspected, or otherwise reported.
Can incorrect data increase my assessment?
Yes. Errors in size, age, or classification can affect value.
How often is this information updated?
Updates occur through permits, inspections, sales analysis, and periodic reviews, not on a fixed annual inspection cycle.
Should I fix errors before appealing?
Yes. Correcting factual errors is often the foundation of a strong appeal.
Putting this information to practical use
Knowing what BC Assessment has on file helps homeowners decide whether an issue is data-related or market-related. That distinction can save time and prevent unnecessary appeals. Mansour Real Estate Group helps clients review this information and decide what, if anything, should happen next.
Related reads in this BC Assessment series
How Does BC Assessment Determine the Value of My Home?
How Do I Appeal My BC Assessment If I Disagree With It?
What Are the Deadlines to Appeal My BC Assessment Value?
If I Appeal My BC Assessment, Can My Assessment Go Higher?
Official sources and resources
BC Assessment
BC Assessment, Property Information
In Summary
BC Assessment maintains detailed records about your property, and those records directly influence your assessed value. Reviewing and understanding this information is often the most effective first step before deciding whether further action is needed.
About Mansour Real Estate Group
Mansour Real Estate Group, led by Mohamed Mansour, MBA and Associate Broker, supports homeowners across Vancouver, the Fraser Valley, and the Lower Mainland. With over 22 years of experience and more than $780 million in completed transactions, the team provides valuation-driven guidance focused on timing, risk, and complex real estate decisions.