Data

 
  • All monthly data is updated through October 2014.
  • For other data requests or inquiries for Zillow Real Estate Research, contact us here.
  • All files are time series unless noted otherwise.
  • To download all Zillow metrics for specific levels of geography, click here.

Zillow Home Value Index Comparisons
Zillow Real Estate and Rental Data: Why We’re Different
Zillow Home Value Index Comparison to Case-Shiller

Zillow Home Value Index (ZHVI)
ZHVI Methodology
ZHVF Methodology
Zillow Market Overviews

Type (Definitions) State Metro/US County City Zip Code Neighborhood
Summary (Current Month) Data Data Data Data Data Data
All Homes (SFR, Condo/Co-op) Data Data Data Data Data Data
1 Bedroom Homes Data Data Data Data Data Data
2 Bedroom Homes Data Data Data Data Data Data
3 Bedroom Homes Data Data Data Data Data Data
4 Bedroom Homes Data Data Data Data Data Data
5 + Bedroom Homes Data Data Data Data Data Data
Bottom Tier Data Data Data Data Data Data
Middle Tier Data Data Data Data Data Data
Top Tier Data Data Data Data Data Data
Condo/Co-op Data Data Data Data Data Data
Single Family Residences Data Data Data Data Data Data
Median ZHVI per sq. ft. ($) Data Data Data Data Data Data

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Zillow Rent Index (ZRI)
ZRI Methodology

Type (Definitions) State Metro/US County City Zip Code Neighborhood
Summary (Current Month) Data Data Data Data Data Data
All Homes (SFR, Condo/Co-op) Data Data Data Data Data Data
Median ZRI per sq. ft. ($) Data Data Data Data Data Data
Median rent list price ($) Data Data Data Data Data Data

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Other Metrics
Type (Definitions) State Metro/US County City Zip Code Neighborhood
Median list price ($) Data Data Data Data Data Data
Median sale price ($) Data Data Data Data Data Data
Median list price / sq. ft. ($) Data Data Data Data Data Data
Median sale price / sq. ft. ($) Data Data Data Data Data Data
Sold for loss (%) Data Data Data Data Data Data
Sold for gain (%) Data Data Data Data Data Data
Increasing values (%) Data Data Data Data Data Data
Decreasing values (%) Data Data Data Data Data Data
Listings with price cut (%) Data Data Data Data Data Data
Median price cut (%) Data Data Data Data Data Data
Sold in the past year (%) Data Data Data Data Data Data
Homes for rent (beta) Data Data Data Data Data Data
Homes foreclosed (out of 10k) Data Data Data Data Data Data
Foreclosure re-sales (%) Data Data Data Data Data Data
Sale-to-list price ratio Data Data Data Data Data Data
Price to rent ratio Data Data Data Data Data Data
For-sale Inventory (Raw) Data Data Data Data Data
For-sale Inventory (Smooth, SA) Data Data Data Data Data
Buyer-Seller Index Data Data Data
Market Health Index Data Data Data Data Data
Days on Zillow, including REOs Data Data Data
Home Sales Data Data Data
Home Sales, SA Data Data
Unfiltered Transactions Data Data

Zillow data is not currently formatted for mobile viewing – please visit this site using a desktop system to download data.

 

Additional Data Products
Product Data Date All Regions Methodology
Zillow Home Value Forecast October 2014 Data ZHVF Methodology
Negative Equity 2014 Q3 Data NE Methodology
Cash Buyers- summary data 2014 Q1 Data Research Brief
Cash Buyers- time series data 2014 Q1 Data Research Brief

Zillow data is not currently formatted for mobile viewing – please visit this site using a desktop system to download data.

Definitions

Types of ZHVI

  • All Homes (SFR, Condo/Co-op) – Median estimated home value for all homes of these types within a region.
  • 1 Bedroom Homes- Median estimated home value for all homes with one bedroom within a given region.
  • 2 Bedroom Homes – Median estimated home value for all homes with two bedrooms within a given region.
  • 3 Bedroom Homes – Median estimated home value for all homes with three bedrooms within a given region.
  • 4 Bedroom Homes – Median estimated home value for all homes with four bedrooms within a given region.
  • 5 or more Bedroom Homes – Median estimated home value for all homes with five or more bedrooms within a given region.
  • Bottom Tier- Median estimated home value for all bottom tier homes within a given region. Bottom tier homes are the homes that fall into the bottom third of home values within the region.
  • Middle Tier- Median estimated home value for all middle tier homes within a given region. Middle tier homes are homes that fall into the middle third of home values within the region.
  • Top Tier- Median estimated home value for all top tier homes within a given region. Top tier homes are homes that fall into the top third of home values within the region.
  • Condominiums – Median estimated home value for all condominiums within a given region.
  • Single Family Residences – Median estimated home value for all detached single family homes within a given region.
  • Median ZHVI per sq. ft. ($) – Median of the value of all homes per square foot. This number is derived by taking the estimated home value for each home and dividing it by the homes square footage.
  • SFR – Single family residence.

Rental Metrics

  • ZRI All Homes (SFR, Condo/Co-op) – Median of the estimated rent price for all homes in a given region.
  • ZRI per sq. ft. ($) – Median of the estimated monthly rent price of all homes, per square foot. This is derived by taking the estimated rent price for each home and dividing it by the homes square footage.
  • Median rent price ($) – Median of the rental price for homes listed for rent on Zillow in a given region.

Other Metrics

  • Median list Price ($) – Median of the list price for homes listed on Zillow, or the asking price.
  • Median sale price ($) – Median of the price for homes that have sold.
  • Median list price / sq. ft. ($) – Median of list prices divided by the square footage of a home.
  • Median sale price / sq. ft. ($) – Median of sale prices divided by the square footage of a home.
  • Sold for loss (%) – The percentage of homes that sold for less than the previous purchase price (e.g. a home purchased for $250k and then sold for $225k). This excludes foreclosure transactions.
  • Sold for gain (%) – The percentage of homes sold for more than their previous purchase price (e.g. a home purchased for $225k and then sold for $250k).
  • Increasing values (%) – The percentage of homes whose values have increased in the past year.
  • Decreasing values (%) – The percentage of all homes whose value has fallen in the last year.
  • Listings with price cut (%) – The percentage of current listings on Zillow whose price has been reduced in the last 30 days.
  • Median price cut (%) – Median of the percentage of price reduction for homes whose prices have been reduced in the past full month.
  • Sold in past year (%) – The percentage of all homes that were sold in the past 12 months.
  • Homes for rent – The number of homes for rent on Zillow.
  • Homes foreclosed – The number of homes per 10,000 that were foreclosed in a given month. A foreclosure is when a homeowner loses their home to their lending institution or it is sold to a third party at an auction.
  • Foreclosure re-sales (%) – The percentage of home sales in a given month where the home was foreclosed upon within the previous 12 months (e.g. sales of bank-owned homes after the bank repossessed a home during a foreclosure).
  • Sale-to-list price ratio – Median of the ratio between the sale price and the list price for all homes (e.g. if a home with a list price of $200k sells for $250k, its ratio would be 5:4 or 1.25).
  • Inventory (Raw) – Median of weekly snapshot of for-sale homes within a region for a given month.
  • Inventory (Smooth, SA)– Median of weekly snapshot of for-sale homes within a region for a given month. The series is seasonally adjusted and smoothed using a three month moving average.
  • Price to rent ratio – The ratio is calculated at the house level first, where the estimated home value is divided by 12 times the estimated rent price. Then the median of all house level price to rent ratios for a given region is calculated.
  • SFR – Single family residence.
  • Buyer-Seller Index – Combines the sale-to-list price ratio, the percent of homes that have been subject to a price cut and the time properties spend on the market (measured as days on Zillow).
  • Market Health Index- The index is calculated on a scale from 0 to 10, with 0 being the unhealthiest and 10 being the healthiest, illustrating the current health of a region’s housing market relative to other markets across the country- The median days on market of home sold within the given month.
  • Days on Zillow – The median days on market of home sold within the given month. The latest data is for one month prior to the current ZHVI.
  • Days on Zillow, inluding REOs – The median days on market of home sold within the given month, including foreclosure re-sales. The latest data is for one month prior to the current ZHVI.
  • Home Sales – The number of homes sold during the given month. Methodology available here.
  • Home Sales, SA – The number of homes sold during the given month. The series is seasonally adjusted using the X-12-Arima method. Sales series methodology available here.
  • Unfiltered Transactions – The number of homes sold during the given month. This permutation of the series is latency adjusted, but no transaction-type filtering is done. For example, non-arm’s length sales, foreclosures, and title transfers would be all be included.

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