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Elite Edition

How does Zillow Estimate the value of a home?

Author

Emily Dawson

Published Apr 07, 2026

How does Zillow Estimate the value of a home?

Zillow’s estimated home value should be used as a starting point, but it shouldn’t be the only data you use in determining a home’s value. The Zestimate is based on a sophisticated and proprietary algorithm which calculates both public and user-submitted data to estimate a valuation range for homes.

How to estimate your own expenses per square foot?

To estimate your own expenses per square foot, take your last monthly electric bill, and divide it by the surface of your home . If you are paying more than what is shown in this graph, you should consider switching suppliers to save on your energy bill. First of all, the total amount of your monthly electricity bill is defined by:

How to calculate electric cost per square foot?

The price for each 100 sq ft is given to estimate a bill for a home with square footage not listed in the chart. To estimate your own expenses per square foot, take your last monthly electric bill, and divide it by the square-footage area of your home.

How to calculate the cost of home maintenance?

You must calculate the personal factors that may increase or decrease your maintenance costs on an annual cycle, including the location and age of your home, the weather in your area, and the home’s general condition.

How to calculate the cost of running a home?

All the figures above are estimates; your actual costs will vary depending on things like where you live, who you get gas / electricity from, how you use your supply. They do not include entertainments, clothes, holidays etc. Download a PDF version of the costs of running a home guide. Download an Excel version of the costs of running a home guide.

How much does it cost per square foot to build a house?

The average labor cost to build a home is roughly 39% of the total build cost and works out to about $34 per square foot. The labor cost on an average 2,776 square foot home will run about $68,000 .

How to calculate the cost of a bathroom remodel?

This bathroom remodeling cost estimator will provide you with up to date pricing for your area. Simply enter your zip code and the linear footage, next click update and you will see a breakdown on what it should cost to have gutters installed onto your home. How much does a bathroom remodel cost?

How much does it cost to build a house in New Mexico?

Another significant element in the cost to build a house is the price of the land, unless you already own a plot where you would like to build your home. Your location could make a difference of millions. A plot can cost as little as $5,000 in Arizona, New Mexico, and Nevada, or as expensive as $2,000,000 or more in California or New York.