Because they know that the time spent at an open house is probably not going to lead to a sale, real estate professionals approach open houses like unpaid baby sitting-if the seller really wants one, they'll do it to appease the client. Ironically, the agent's real motivation might have nothing to do with selling your house at all. 75 percent of the agents in a new study said they use open houses to find new clients. In that study of Texas realtors conducted by Texas A&M University

Los Angeles real estate agent Liz Johnson loves open houses, but not because they move her properties. The real reason Johnson holds them is because they bring her more business.

Prospective home buyers walk through and ask what other listings she has. "They've always been better for agents than sellers," she says.

The proliferation of Internet listings and other online real estate information is quickly making open houses more of an option, rather than a requirement for selling a home. In 1995, just 2% of home buyers used the Internet to look for a home, according to the National Association of Realtors. Last year, 77% of home buyers shopped online.

Indeed, only 2% to 4% of Johnson's listings sell from open houses. "It's not a necessity," she says.

Agents, sellers question effectiveness
For the most part, Johnson, an agent with Dilbeck Realtors and a 25-year veteran of the real estate business, doesn't hold open houses for her listings unless sellers press the issue. Most of her sales come from her contacts with other agents and from the multiple listing service, she says.

Many agents now refuse to hold open houses, considering them a waste of time and a security threat. And many sellers now prefer to open their doors to serious buyers only.

"They're not effective," says Daniel Fellars, a 29-year-old software engineer from the San Diego suburb of San Marcos, Calif., who recently put his four-bedroom, two-and-a-half-bath home on the market. A series of open houses did little to move Fellars' former house, which sold about a year ago. "We had an open house five weeks in a row and never got a single person to come to our house," he says.

This time around, Fellars has decided to forgo scheduled open houses and simply give potential buyers private tours of his house as needed. He has posted 30 pictures on his home blog, linking it to Google, Craigslist and other popular Web sites. In the next week, he will add a video tour, showing every nook and cranny of the house, much as an agent would.

So far, the blog has brought in about 20 interested buyers, but he has received no offers. Fellars says he knows he faces an uphill battle, given the slowing housing market and the other four houses for sale on his street. But a few of Fellars' neighbors recently had open houses and he says, "I haven't seen any cars in their driveways."

Open and shut
Consumer sentiment about open houses has waxed and waned over the years, along with the ups and downs of the real estate market. In 1995, 41% of buyers surveyed relied on open houses to sell their home, according to data from the NAR. By 2000, it had dropped to 28%. Beginning in 2003, however, as the market started to heat up again, that number began rising. By 2005, the last year for which data is available, 51% of all sellers were using open houses, though not all agreed they were effective. Some 45% of sellers found open houses only "somewhat useful" and another 12% didn't consider them useful at all, according to the NAR.

"Many sellers are just a little bit leery of having an open house," says Pat Vredevoogd, agent and broker-owner of AJS Realty in Grand Rapids, Mich., and incoming NAR president.

Some, she says, are worried about letting complete strangers roam freely through their house, with access to electronics, jewelry, prescription drugs and personal information.

Others just don't want their neighbors and a host of other so-called "looky-loos" wasting their time just for a look at their décor.

And many agents won't do them for security reasons, as a number of their fellow Realtors have been attacked and some even killed, as they sat in an empty house alone and vulnerable.

Vredevoogd, herself, isn't keen on them. While they have proved helpful over the years on some of her more expensive listings, most didn't produce a sale. "Over the past year, maybe two or three of the 50 houses I sold were from an open house," she says. "Personally, I think it's a waste of time. It's one of those things that has gone by the wayside."

Before jumping into an open house, Vredevoogd counsels her clients to put the house up on the local MLS and other Web sites, with a lot of pictures and perhaps a virtual tour if the home has a lot of nice features. She sends out a barrage of e-mails to other agents and makes some calls. If the house isn't getting a lot of interest, only then will she go through with an open house.

Online house hunting
"There's no doubt about it, the Web is changing real estate," says Colby Sambrotto, chief operating officer of ForSaleByOwner.com. While his site, which lists about 100,000 homes a year, gives people the tools to hold and advertise an open house, he thinks more of the browsing is now done online.

Home buyers, he says, don't want to spend a day in the car with a Realtor like they did in years past. Many people want to spend an hour or less, and zip out on their lunch break to see a house.

While this may inconvenience sellers, who have to show their house more often, Sambrotto says it's worthwhile because these parties are more serious. "They're not looky-loos," he says. "They've done their research."

When open houses still make sense
There are times, says broker Greg Meer, Sr. of Keller Williams Realty in Las Vegas, when an open house is not practical at all, such as if a house is off the beaten path, or in a gated community. Likewise, it might be best to avoid an open house on a shabby listing or one that requires a lot of work. It probably won't get much traffic, he says, and agents will be reluctant to have their name advertised heavily in association with it.

But an open house can be a valuable opportunity to get feedback about what is and isn’t attractive about a house, Meer says. He cautions buyers against holding them too often, however. "It can send a signal that (a house) is a little bit market worn and a tough property to move."

In Meer's opinion, an open house is only worth having if it's done properly. That involves sprucing up the house and its landscaping and advertising it well in advance. "Over the past couple of years, people got spoiled by being able to throw up a sign and get lots of traffic," he says.

Desperate measures
Nationwide, home sales are expected to drop 6% this year, and sellers in many markets are already dropping their prices. That may prompt more agents to turn to open houses as a last-ditch effort, Vredevoogd says, after years of avoiding them. "In a buyer's market, if you are a seller you want to try everything."

In many markets, that includes hiring a professional stager to make your home look brand new, or at the very least, tastefully appointed. Gail Mayhugh, a professional home stager and owner of GMJ Interiors in Las Vegas, said she has seen an uptick in her business as the once-hot housing market has cooled.

"All of a sudden the agents are calling me for open houses," she says, and many are willing to spend part of their commission to make their property stand out. "There were 19 of the same floor plans for sale in one neighborhood," she recalls.

And while open houses may be declining in many parts of the country, some neighborhoods are finding them effective ways to raise the profile of an entire community, if they are all done at the same time. Recently, four neighborhoods in the Grandmont Rosedale area of Detroit teamed up for a joint open house with 35 of the area's homes open for viewing on a single day. And developers in Long Beach, Calif., showed 2,300 housing units in that city's downtown on May 20, in an attempt to stimulate sales.

5 questions to ask before holding an open house

By Melinda Fulmer © Jim Naughten/Getty Images

1. Is your house in a high-traffic area? While many are advertised in the newspaper, on the Internet and in fliers, it's still drive-by and foot traffic that brings most open-house visitors. Amanda Staines, a sales director from Atlanta and a former agent, says she plans to hold an open house every weekend until her newly renovated two-bedroom townhome sells. The reason? "Location, location, location. My house is off a major road, so the signage can really pull" people in, she says.

2. Does it have special features or was it recently renovated? An especially beautiful house can make buyers out of the most casual visitors.

3. What's your home's sale price? Many real estate agents say they no longer hold open houses for high-end homes, because they consider them a draw for thieves and gawkers. They prefer to schedule private tours.

4. How much time and money am I willing to invest in an open house? In some markets, much of the competition is using stagers and investing in costly upgrades such as painting and landscaping. If you aren't willing to spruce things up, an open house might not be worth it.

5. Is my real estate agent behind the idea? If they don't think it's a good idea for your home, or are unenthusiastic about it, it might not do much for you.

5 tips for a better open house

1. Clean and repair your home. It should go without saying, but clean your house as if you were going to eat off the floors. Also, consider making minor cosmetic repairs and upgrades such as touching up paint and planting fresh flowers.

2. De-clutter. Put away the ceramics collection, toys and things lining the bathroom and kitchen counters. A crowded house makes it look smaller and makes it harder for buyers to imagine it as their own, says Gail Mayhugh, a professional home stager and owner of GMJ Interiors in Las Vegas.

3. De-personalize. Take down family photos, trophies and other personal touches, even that book on your nightstand. Buyers need to imagine the house as a blank slate, ready to be occupied and personalized by them, Mayhugh says.

4. Consider holding an early viewing just for the locals. For instance, if you are having an open house from 1 p.m. to 4 p.m., invite your neighbors from noon to 1 p.m. It will make them feel good and allow the agent to focus on the most interested parties when the real open house starts.

5. Promote heavily. Make sure your open house is listed on the MLS and on other Internet sites such as Realtor.com, Expo or Craigslist.com. Post lots of pictures, send out fliers, put up lots of signs and advertise in your local paper.

What to do if your home isn't selling

From rethinking your color scheme to holding open houses on weeknights, here are 10 tips for sparking interest in your home.

By Sally Anderson

How long is too long? It's not an exact science, but there are some helpful indicators. In a dry market, a sales period of six months to one year isn't unusual. Look at recent sales reports of similar homes nearby to determine a reasonable selling interval. In a hot seller's market, a house that hasn't sold within one month indicates a problem. In either case, there are several steps you can take before putting up the white flag.

5 questions to ask before holding an open house

5 tips for a better open house

What to do if your home isn't selling

Taking your house off the market

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