Last weekend, my husband and I went to the Monterey Peninsula for a couple of days to celebrate our 25th wedding anniversary.  We had a wonderful time there, but would not return to the hotel where we stayed this time.  The worst issue was the mold in the bedroom along the wall and baseboard.  I brought it to the hotel’s attention and it was “cleaned”, but I think the issue is far from solved.

Mold collage, before and after cleaning with bleach

Since we sometimes run into issues with mold in our real estate transactions, I wanted to take the opportunity of having these before & after photos to discuss what to do about it when buying or selling homes.  Luckily, here in Silicon Valley it is not so humid as it is along the coast, so we are helped on that count.  But it is still very possible that you will run into mold or mildew when trying to buy or sell property.

First, I should state that mold is naturally occurring and it is not possible to completely eliminate mold spores from your home.  The question is whether or not the mold inside the house is the same kind and density as the mold outdoors, or whether something unusual is harbored indoors.

Mildew and mold need moisture and the right, mild temperatures to thrive – eliminate the source of water and the mold will go dormant.  Please note that it will not die when the moisture is eliminated – it just goes into a sleepy state.  If water is later reintroduced, the mold spores will spring back to life.

In my experience, the most common place to find mold in the San Jose area tends to be in bathrooms, particularly around older aluminium windows (which tend to be very cold and collect condensation). Mold on these window frames is easily cleaned by using a solution of water and bleach, and it can be prevented by better ventillation and heat, which allows the window frames to dry out. Likewise it’s very easy for mold to grow in showers and tub areas due to the high amount of water present.  That water needs to be able to evaporate, otherwise you’re inviting mold to take hold.

Find mold on sheetrock, wood or carpeting?  First you must discover the source of the moisture.  Most likely, there’s a leak somewhere, either a plumbing leak or around a door, window, roof or flashing.
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Along the Los Gatos Creek Trail in Los Gatos, Campbell and San Jose, there’s an 80 acre park called the Los Gatos Creek County Park.  This long park includes six percolation ponds, which look a bit like square or rectangular ponds with gravel along the edges.  I passed by one yesterday in Campbell along Budd Avenue near San Tomas Expressway.  It was a pretty sight with the Santa Cruz Mountains in the background.  (This view is looking south toward Los Gatos and toward Santa Cruz and the Monterey Bay beyond the coastal foothills.)

Perhaps you have seen them and wondered what their purpose is?  The series of ponds and waterways enables the rainwater runoff to be filtered and placed back into the underground waterway system, which we refer to as aquifers.  (The Unites States has a number of very large aquifers throughout the country, and the biggest one in California is the Central Valley Aquifer.)
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Have you always dreamed of buying a home close to, or in, the western foothills in Santa Clara County, such as Almaden, Los Gatos, Monte Sereno and Saratoga? Some of the prettiest parts of Silicon Valley are snuggled into the base of the Santa Cruz Mountains. With views of downtown San Jose and the southern San Francisco Bay Area on one side, and rolling, grassy and redwood & oak filled hills on the other, its certainly scenic. Additionally, these areas all tend to have very low crime and good schools.

As a saavy foothill-area buyer, you will want to understand some of the unique issues that this geography may present. The most important of these may well be the issue of water control and drainage.

The Santa Clara Valley, and most of the neighboring Silicon Valley areas, is composed of mostly clay soil. This is an extremely strong substance – so much so that settlers used it, mixed only with a little straw and water, to form adobe bricks for building.

The caveat with clay soil is that when it becomes wet, it expands, and when dry, it contracts. In fact, we call this condition ˜expansive. The amazing thing is that the clay is more powerful than concrete. And that is the problem for houses and other buildings if the ground is expanding, contracting, or alternating between the two.

What can a homeowner do? Its imperative to try to control the amount of water near (or under) the home as much as possible.
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