Zillow Says My Home Is Worth $___. Is It Right?
Online estimates are built from satellite images and county records. They cannot see your kitchen, your roof, your view or your street. Here is how to tell when the estimate is close and when to ignore it.
What the model actually sees
An online estimate starts with an automated valuation model. The model reads county records, recent sales in your ZIP and a satellite picture of your roof. It runs some math and prints a number. No one has walked your home, and no algorithm can smell the difference between a refreshed kitchen and a dated one.
That is not a slur on the tool. It is a description of the tool. Models are wonderfully fast and occasionally quite close. They are a starting point, not an answer.
What the model cannot see
The model cannot see the dated kitchen, the concrete torn out and re-poured, the kitchen you spent $40,000 on, the interior condition a good stager can transform, the view that sells a house in ten days, or the busy street that adds a $30,000 haircut.
It also cannot see your market's current direction. A model trained on last quarter's closings is always looking slightly backward, and in a fast-moving market that lag alone can swing your number by a meaningful amount.
When estimates get it close, and when they do not
In a stable neighborhood full of similar recent sales, estimates can be surprisingly close. The trouble comes exactly where the tricky stuff lives: unique homes, heavy remodels, view and golf properties, luxury and high-rise units, and any market that is shifting quickly.
Those are the same cases where buyers and lenders care the most, and where a real comparable analysis matters most. That is not a coincidence.
What to do instead of refreshing the page
Ask for a real comparative market analysis. That means a licensed professional pulling active, pending and sold listings, physically assessing your property and its condition, adjusting for the differences that matter and walking you through the reasoning.
My twenty years as a licensed residential appraiser mean that analysis is the part of the job I do best. Bring me your Zestimate and your address, and I will tell you where it is right and where it is wrong, with the comps to prove it.
A number you can take to the bank
The goal is a value range with evidence behind it, so that whether you are selling, refinancing or just wondering, you are deciding from information instead of a guess. Send over your address and I will get you the real picture.
Written by
Sandy Margolin
REALTOR · Certified AI Agent · 36+ years in Las Vegas real estate · former licensed residential appraiser.
More about SandyKeep reading
The Walk-Away Number: What You'll Actually Take Home After Selling in Las Vegas
Your home may be worth $700,000. That figure gets all the attention. The number that matters most is what lands in your pocket after the loan is paid off and the costs of selling come out. Here is how to find that number.
6 min read · Keep readingHow Much Is My Las Vegas Home Really Worth?
Online estimates are a starting point, not an answer. Home values come from comparable sales, condition and market behavior, and that is exactly where a former appraiser's eye changes the conversation.
7 min read · Keep readingWant the answer for your situation?
Articles answer the general question. The phone call answers yours, with your numbers.