Car Elevators Are The Latest In Luxury -- Just Ask Mitt Romney.

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In general, however, upscale garage additions recoup a modest 52% of their cost, according to the Remodeling Cost vs. Value Report. Realtors say the benefits of an auto elevator are manifested in a less financially tangible form: marketing. It’s a “wow factor” that garners attention and sets an estate apart from its local competition.

“I’ve had situations where it’s the perfect house for a buyer but not a perfect garage and a sale doesn’t get made,” explains Billy Rose, president of The Agency, a luxury real estate firm in Los Angeles.

Even so, a handful of homes sporting lifts have languished on the market recently, suffering multiple price chops. The reason: Such garages typically appeal to a limited pool of buyers, namely car collectors.

“I don’t think my garage adds much value to my home, because the car virus maybe infects only 5 out of 100 males,” chuckles David Houston, an L.A. restaurateur and sports car collector. Houston, who produced the short-lived Car Show TV series, transformed a 2,500-square-foot basement in his Malibu home into a garage with lifts and a car turntable.

A collector is also behind the massive multistory garage tucked inside the gated entrance of the Sierra Star compound in Lake Tahoe’s Incline Village. Tom Gonzales, the cofounder of software company Commerce One, spent nearly five years renovating his lakefront estate, which includes a subterranean “collector’s garage” that houses his 1,000 autos and motorcycles. Tucked below a 2,500-square-foot guest house, the bilevel garage sprawls over an astounding 12,000 square feet and cost roughly $6 million to construct. It has an oversize hydraulic lift—technically, an aircraft transporter—capable of carting an RV or three cars to the surface. It costs an estimated $25 in electricity bills each time it’s operated.

Gonzales has been trying, so far in vain, to sell the estate, which debuted on the market at $65 million in 2007. He is now asking $49.9 million, but buyers can also purchase it in sections, broken down as five separate land parcels. “We have had people look specifically just at the garage parcel,” says Kerry Donovan, a vice president at Chase International, a Lake Tahoe realty firm. She believes the ultimate buyer will be someone with a collecting passion to rival Gonzales’.

If the West Coast seems like the hub for homes with car elevators, it is—or has been. Architect Annabelle Selldorf has now designed Manhattan’s first condo building with auto elevators. Thirteen units at 200 Eleventh Avenue come with their own “en-suite sky garage.” Owners enter the building’s garage and load their ride onto the elevator, which identifies the car via a scan tag and then whisks it upward in under 60 seconds. They then park outside of their apartment’s front door. In a city where privacy commands top dollar, the flashy feature has helped secure buyers (including Nicole Kidman) for all but one of the units—and construction finished earlier this year.

Leonard Steinberg, the Prudential Douglas Elliman broker for the building, believes the car elevator has been successful because “the reality is this is an item with great practical use, and people attach great value to it.” He estimates residents save an average of three hours each week carting their cars and belongings straight to their doorstep rather than unloading onto carts and having their vehicles parked in public lots.

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VIDEO: Car Elevator That Brings You To The Apt Door

Another developer adapting the car elevator to high-rise living is Gil Dezer. Miami-based Dezer Properties has teamed up with German carmaker spinoff Porsche Design to craft a 57-story, 132-unit condo building—the Porsche Design Tower—in Sunny Isles Beach, Fla.

Though construction doesn’t commence until mid-2013 (with plans to finish mid-2016), the blueprints map out a 600-feet-per-minute elevator that will identify your car, which is loaded ignition-off via turntable, and deliver it to its assigned spot (every unit has two) outside your apartment door. Dezer hails from an ­automotive-­­loving family—his father just opened a Miami museum to showcase his thousand-car-and-motorcycle collection, and Dezer Properties owns high-end auto retailer Manhattan Motorcars in New York City—so naturally he also insisted upon glass partitions between parking spots and units so that “if you want to see your car from the living room, you can.”

Who knows? Maybe Dezer and his fellow car elevator fans are on to something. But U.S. presidential candidates may want to keep their enthusiasm under wraps.

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