It costs what?Today I spent a little time gathering the month over month and year over year median sales price changes in Sunnyvale from my Santa Clara County ReReport (you can do it too, it just takes time). Sunnyvale has felt like a bubble in that the appreciation has been too steep, too long for it to be sustainable.

Is it a bubble?  The market is calming down or leveling out a bit in many places – but how about Sunnyvale?.  Jobs are strong. Many firms are hiring. There remains a housing shortage.  But the rate of appreciation has been crazy high.  Rather than speculate about how good (sellers) or bad (buyers) it is, let’s see how strong the change has been.

The image below shows the increase or decrease of the median sales price for single family homes in Sunnyvale, first month over month, and then year over year from May 2011 to May 2013. The the last 12 months, the year over year average change to the median sales price has been a whopping 22%.  One month it was 60%! (It was when that was happening that I screamed “bubble” on this blog.)

Change in Sunnyvale median sales price for single family homes month over month year over year June 2013

Clearly, these numbers hint that things are a little out of whack.  But the median sales price isn’t the whole story. Let’s look at the median sale price to list price ratio and also the days to sell for this same city and timeframe.  This info I pulled from

Sunnyvale median sale price to list price ratio and days to sell June 2013

We are hearing about things calming down, but June closings (reflected in the last green bar on the right) are averaging 10 days to sell.  (It’s like the limbo dance. How low can it go?) But a word of caution – please remember that these June closings were sales in May. By the time we see it, it’s old news.  So perhaps the slowdown or leveling out we hear about anecdotally now will show up only in July’s numbers.

Back to the comparison and whether or not this is a bubble – during the 2007 peak, the lowest days to sell were 17 (in May, June, and Aug 2007); now the lowest is 10 and 11 days.  The highest sale price to list price ratio at the 2007 peak was 104.6% in April 2007.  Now we’re looking at 112%.  Are these reasons to be concerned? Absolutely.

Finally, what about the actual cost of purchasing a 3 – 4 bedroom house in Sunnyvale?  To check the year over year appreciation, I ran the numbers on MLSListings for homes with this criteria:

In Sunnyvale
3-4 bedrooms
2-3 bathrooms
1500-2500 square feet
Sold (closed escrow) in May 2013 and May 2012

Here’s how they stacked up:

Averages May-12 May-13
# sales 31 28
Days on Market 29 8
Square footage 1863 1833
Price per SF $517.34 $618.35
Av Lot Size 6726 6621
Av List Price $908,547 $991,842
Av Sale Price $959,951 $1,130,287

Perhaps the easiest way of discussing what’s happened is to focus on the real cost of purchasing (though of course it’s always price and terms, and we don’t have data on terms such as free rent backs).  The same type of 3-4 bedroom house cost an average of $959,951 in May 2012 and jumped to $1,130,287 by May 2013.  That’s a difference of $170,336 or an 18% increase in home prices.  (By comparison, the year over year median was up 18.6% for all houses in Sunnyvale and the year over year rise for the average sales price was up 27.3%.)  Different schools and price points will have different results.  But to have the cost of a house vault upwards by 18% is really staggering.

Viewed another way, what was lost in that same year was the lion’s share of the down payment.  Many people got priced out of the market because the money they saved was essentially overwhelmed by the steep appreciation.

  1. 2 beds, 2 baths
    Home size: 1,440 sq ft
  2. 3 beds, 2 baths
    Home size: 1,590 sq ft
  3. 3 beds, 2 baths
    Home size: 1,000 sq ft
    Lot size: 5,601 sqft
  4. 4 beds, 2 baths
    Home size: 1,768 sq ft
    Lot size: 7,958 sqft
  5. 3 beds, 2 baths
    Home size: 1,500 sq ft
  6. 3 beds, 2 baths
    Home size: 1,281 sq ft
    Lot size: 6,573 sqft
  7. 4 beds, 4 baths
    Home size: 1,882 sq ft
    Lot size: 1,206 sqft
  8. 3 beds, 2 baths
    Home size: 1,498 sq ft
    Lot size: 5,501 sqft
  9. 4 beds, 2 baths
    Home size: 1,404 sq ft
    Lot size: 6,760 sqft
  10. 2 beds, 2 baths
    Home size: 930 sq ft
    Lot size: 1,389 sqft

See all Real estate in the city of Sunnyvale.
(all data current as of 10/20/2018)

Listing information deemed reliable but not guaranteed. Read full disclaimer.


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Mary Pope-Handy
Sereno Group Real Estate
214 Los Gatos-Saratoga Rd
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408 204-7673
Mary (at)
License# 01153805

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