Department of Numbers

San Antonio, Texas Home Affordability

The data below measures home affordability for the San Antonio-New Braunfels, Texas metropolitan area using price-to-income and price-to-rent metrics. The maximum affordable loan amount for the median household income is also calculated.

San Antonio, Texas Home Price-to-Income Index

The current price-to-income ratio for San Antonio is 2.98 as determined by March 2010 Realtor median sales prices. The chart below shows a history of the ratio as an index calculated from the Federal Housing Finance Agency's San Antonio HPI series.1 Median household income data for San Antonio is from the Census American Community Survey.2

Price-to-Income: FHFA

Note: Index set to 100 in Q1 of 2000

San Antonio, Texas Home Price-to-Income Index History

Date FHFA
March 2010 125.3
December 2009 125.7
September 2009 127.5
June 2009 128.8
March 2009 128.7

San Antonio, Texas Home Price-to-Rent Index

The current price-to-rent ratio for San Antonio is 16.79 as determined by March 2010 Realtor median sales prices. This ratio is calculated using household size adjusted median contract rent for San Antonio. The chart below shows an index of the rent ratio calculated from the metro FHFA HPI series and the San Antonio median contract rent data from the Census ACS.

Price-to-Rent: FHFA

Note: Index set to 100 in Q1 of 2000

San Antonio, Texas Home Price-to-Rent Index History

Date FHFA
March 2010 118.5
December 2009 118.8
September 2009 120.5
June 2009 121.8
March 2009 121.7

San Antonio, Texas Inferred Affordable Mortgage

The inferred affordable mortgage is determined by taking the median household income for San Antonio, Texas and calculating the mortgage 30% of that income could afford. Traditionally, 30% of income is the maximum amount a homeowner could use towards a home loan. Inferred affordable loan values are calculated from ACS median household income and average monthly mortgage rates.

Inferred Affordable Mortgage

Date Inferred Mortgage
May 2010 $225,208
April 2010 $219,886
March 2010 $223,158
February 2010 $222,650
January 2010 $221,639
December 2009 $224,180
November 2009 $225,467
October 2009 $223,668
September 2009 $220,885
August 2009 $217,664
July 2009 $216,931
June 2009 $212,138
May 2009 $225,985

1. Specifically, FHFA data is from the non seasonally adjusted, all-transactions quarterly series.

2. Income data for the previous year is carried into the following year prior to the release of new income data.