The Facts About A Zestimate

If you’ve ever searched for a home online, chances are you’ve come across Zillow—and more specifically, their well-known Zestimate. It’s front and center on every listing, and for many buyers and sellers, it feels like a solid price reference.

But how accurate are Zillow estimates, really?

Here’s the truth: Zestimates can be useful, but they’re not the final word on your home’s value. In fact, trusting one blindly could cost you thousands of dollars.

Let’s dig into what Zestimates are, how they work, and why they should be taken with a grain of salt.

 What Is a Zestimate?

Zillow defines a Zestimate as a “starting point” for determining a home’s market value. It’s created using a proprietary algorithm that pulls data from public records, user-submitted updates, recent sales in the area, tax assessments, and MLS feeds (where available).

In other words, it’s an automated valuation model (AVM)—not a professional appraisal or CMA (Comparative Market Analysis).

 How Accurate Are Zestimates?

Zillow claims that, on average, Zestimates are within:

• 2-5% of the final sales price for on-market homes
• 6-7% or more off for off-market homes

But in many markets—including [Your Local Market]—Zestimates can be off by 10%, 15%, or even more depending on:

• Lack of recent comparable sales
• Unique property features
• Renovations not recorded in public records
• Lot size variances or view premiums
• Local market volatility

 For a $300,000 home, even a 10% error is a $30,000 swing.

 Why Zestimates Get It Wrong

Here’s the main issue: Zillow has never been inside your house. The algorithm can’t see:

• Your new roof, kitchen remodel, or upgraded HVAC
• Outdated carpet or damaged foundation
• A killer view or a noisy street
• Curb appeal (or lack thereof)
• Unique features like a basement apartment or a pool

Real estate is hyper-local, and pricing a home accurately takes context, nuance, and boots-on-the-ground experience—not just data points.

 Should You Use a Zestimate at All?

Absolutely—but only as a ballpark starting point.

Here’s how to use it wisely:

• Compare it to recent sales in your neighborhood
• Ask a local real estate agent (like me!) to do a Comparative Market Analysis
• Get a professional appraisal for the most accurate value
• Use it as a conversation starter—not the final say

 Bottom Line: Zillow Estimates Aren’t Gospel

Zestimates can be helpful for getting a general idea of a property’s worth, but they’re not a substitute for local expertise. Whether you’re buying or selling, you deserve more than an algorithm—you need insight, strategy, and real-world experience.

 Thinking of Buying or Selling?

If you’re curious about your home’s true market value, I’d be happy to give you a free, no-obligation CMA. Unlike a Zestimate, I’ll factor in:

• Local market conditions
• Recent nearby sales
• Your home’s condition, upgrades, and features

 Contact me today and let’s talk about how to price your home strategically for today’s market.