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Data & Analytics
Zillow Zestimate
Zillow Zestimate logo
Data & Analytics

Zillow Zestimate

Zillow Zestimate is an automated property valuation model developed by Zillow Group that provides estimated market values for over 100 million residential properties across the United States. This AI-powered tool analyzes hundreds of data points for each home, including public records, tax assessments, recent sales of comparable properties, physical characteristics, and local market trends. The Zestimate serves as a starting point for homeowners, buyers, sellers, and real estate professionals to understand a property's approximate worth. While not a formal appraisal, it provides a data-driven estimate that updates regularly as new information becomes available. The algorithm incorporates machine learning techniques to refine its predictions based on actual sale prices, with Zillow continuously improving the model's accuracy. Users can access Zestimates for free on Zillow's website and mobile apps, making it one of the most widely used automated valuation tools in the real estate industry.

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πŸ“Š At a Glance

Pricing
Freemium
Reviews
No reviews
Traffic
β‰ˆ200M visits/month (public web traffic estimate, Similarweb 2024)
Engagement
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Categories
Data & Analytics
Data Analysis Tools

Key Features

Automated Valuation Model

Uses machine learning algorithms to analyze hundreds of data points and generate estimated market values for residential properties.

Value Range Estimate

Provides not just a single point estimate but a value range that represents the algorithm's confidence in the valuation.

Homeowner Updates

Allows property owners to update home facts and features that may not be reflected in public records.

Historical Value Tracking

Shows how a property's Zestimate has changed over time with interactive charts and timeline views.

Comparable Properties Analysis

Automatically identifies and displays recently sold homes with similar characteristics in the same area.

Market Trend Integration

Incorporates local and national real estate market trends into valuation calculations.

Pricing

Free Consumer Access

$0
  • βœ“Unlimited Zestimate views for any US property
  • βœ“Access to value history charts
  • βœ“Comparable property data
  • βœ“Neighborhood market trends
  • βœ“Mobile app access
  • βœ“Property detail updates for homeowners
  • βœ“Value change notifications

Premier Agent Tools

Variable advertising/spend-based
  • βœ“Enhanced Zestimate access for client presentations
  • βœ“Lead generation from Zillow property pages
  • βœ“Branding on property listings
  • βœ“Market analysis tools
  • βœ“Client communication features
  • βœ“Performance analytics

Traffic & Awareness

Monthly Visits
β‰ˆ200M visits/month (public web traffic estimate, Similarweb 2024)
Global Rank
##291 global rank by traffic, #91 in United States (Similarweb estimate 2024)
Bounce Rate
β‰ˆ35% (Similarweb estimate 2024)
Avg. Duration
β‰ˆ00:07:30 per visit (Similarweb estimate 2024)

Use Cases

1

Home Buyers Researching Properties

Prospective buyers use Zestimates to quickly assess whether asking prices are reasonable and to compare values across different neighborhoods. The tool helps buyers identify potentially undervalued properties and understand market trends in areas they're considering. By providing instant valuation estimates, it saves time during the initial research phase of home shopping.

2

Homeowners Monitoring Property Value

Current homeowners track their property's Zestimate to monitor equity growth, assess refinancing opportunities, and make decisions about home improvements. The historical charts help them understand how market fluctuations affect their net worth. Many homeowners use Zestimate trends to time potential sales or evaluate rental investment opportunities.

3

Real Estate Agents Preparing Listings

Agents reference Zestimates when helping sellers determine appropriate listing prices and when educating buyers about market values. While agents conduct formal comparative market analyses, Zestimates provide a quick reference point and help set client expectations. The tool is particularly useful for agents working in multiple markets or with clients who have done preliminary online research.

4

Mortgage Lenders Assessing Collateral

While not replacing formal appraisals, lenders sometimes use Zestimates for quick preliminary assessments during pre-approval processes or portfolio reviews. The tool helps identify properties that might require additional scrutiny or different valuation approaches. Some lenders use Zestimate data in automated underwriting systems for certain loan products.

5

Property Investors Analyzing Markets

Real estate investors use Zestimates to screen potential investment properties across multiple markets efficiently. The tool helps identify areas with growing values and properties that may be priced below estimated market value. Investors can track Zestimate changes over time to spot emerging neighborhoods and market trends before they're widely recognized.

6

Financial Planners Assessing Net Worth

Financial advisors and individuals use Zestimates to estimate home equity as part of comprehensive net worth calculations. This helps in retirement planning, loan qualification assessments, and overall financial strategy development. While not a formal valuation, it provides a reasonable estimate for planning purposes without requiring paid appraisals.

How to Use

  1. Step 1: Navigate to Zillow.com or open the Zillow mobile app and search for a specific address, city, or neighborhood using the search bar.
  2. Step 2: View the Zestimate prominently displayed on the property details page, which shows the estimated market value along with a value range indicating potential variance.
  3. Step 3: Review the property facts and data points that influence the Zestimate, including square footage, bedroom/bathroom count, lot size, and recent renovations if available.
  4. Step 4: Check the price history tab to see how the Zestimate has changed over time and compare it to actual sale prices in the area.
  5. Step 5: Use the 'My Zestimate' feature if you're the homeowner to update home facts and potentially improve the accuracy of your property's valuation.
  6. Step 6: Explore comparable homes ('comps') that recently sold in the neighborhood to understand how your property compares to similar listings.
  7. Step 7: Save properties with Zestimates to your Zillow account to track value changes over time and receive notifications about significant valuation updates.
  8. Step 8: For professional use, real estate agents can access Zestimates through Zillow Premier Agent tools and incorporate them into client presentations and market analyses.

Reviews & Ratings

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At a Glance

Pricing Model
Freemium
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