Tabitha LeJeune July 15, 2026
If you've ever looked up your home on Zillow, you've probably seen the Zestimate. For many homeowners, it's the first number they look at when thinking about selling. While it can be a helpful starting point, it shouldn't be treated as your home's true market value.
Here's why.
Zillow's Zestimate is created by an algorithm using public records, recent sales, tax assessments, and other available data. What it can't see are the details that often make the biggest difference.
It doesn't know if you recently renovated your kitchen, replaced the roof, installed new windows, updated the flooring, or completely remodeled the bathrooms. It also doesn't know if your home needs significant repairs.
Two homes with the same floor plan can have values that differ by tens of thousands of dollars simply because of their condition.
Real estate is hyper-local.
An algorithm may recognize that two homes are in the same ZIP code, but it may not understand that one backs to a greenbelt while the other backs to a busy road. It doesn't know which streets are more desirable, which homes have better views, or which lots offer more privacy.
Those factors can have a major impact on value.
Home values aren't based solely on comparable sales. They're also influenced by current buyer demand.
Questions like these matter:
A Zestimate can't fully account for changing market conditions as they happen.
When pricing a home, experienced agents don't rely on one number.
They evaluate recent comparable sales, active competition, pending transactions, property condition, upgrades, location within the neighborhood, lot characteristics, and current market trends.
The goal isn't to estimate what your home could be worth. It's to determine what buyers are likely willing to pay today.
There are certainly times when a Zestimate is fairly accurate, especially in neighborhoods with many similar homes and frequent sales.
But it's also common to see Zestimates that are off by $20,000, $50,000, or even more. In unique neighborhoods, luxury properties, rural areas, or homes with significant upgrades, the difference can be even greater.
Think of a Zestimate like an online estimate for your car. It can provide a general range, but it can't inspect the vehicle, evaluate its condition, or understand what makes it different from every other one on the road.
Your home deserves the same level of attention.
If you're curious about your home's value, the best place to start is with a comparative market analysis prepared by a local real estate professional. It's based on what buyers are actually paying in today's market, not just what an algorithm predicts.