The new Glenmont parking garage. Photo by Ben Schumin.

County Executive Ike Leggett calls the new garage at the Glenmont Metro a “boon to transit and a boon to the environment.” A truly “green” garage at a transit station would make room for people, not just cars.

Last week, Montgomery County officials cut the ribbon on the new parking facility, located on the west side of Georgia Avenue at Glenallan Avenue. A press release notes that the garage, which earned LEED certification, was built from recycled materials and has energy-efficient light fixtures.

Meanwhile, WMATA cut down an acre of trees to build the 1,200 space, 80-foot high garage while violating the county’s own plans for transit-oriented development.

Is there such a thing as a “green” parking garage?

Maybe if it’s covered in plants, like this one in Miami Beach, Florida. While there’s nothing wrong with accommodating drivers who’d otherwise drive all the way to work, just building more parking spaces won’t help the environment - or Glenmont, for that matter.

How did this happen?

Site plan of new garage overlaid on the 1998 Glenmont Sector Plan, which proposed townhouses and retail along Georgia Avenue.

In 2006, WMATA proposed building a new parking garage on 10 acres of land they own along the west side of Georgia Avenue. The existing 1,700-space garage fills up often, they claimed. Neighbors didn’t want a garage in their backyards, and county planners agreed, suggesting that it be built on the east side next to the old one.

However, WMATA staff estimated that it would cost nearly $23,000 a space to build a garage on the east side, compared to about $16,000 on the west. Seeing the potential for savings, the County Council voted to fund the construction of a garage on the west side of Georgia in 2007.

WMATA’s design required tearing down an acre of forest the county wanted to preserve, but the Planning Board reluctantly approved it, arguing that sending them back to the drawing board would be a waste of time and public funds. Nonetheless, then-Chairman Royce Hanson called the garage “both an injury and an insult to the neighborhood.”

The county and state of Maryland spent $24.7 million building this garage, or $20,312 a space. Not only did they spend more than originally planned, but they’ve wasted an opportunity to do the “green” thing: create revenue-generating, neighborhood-compatible development along Georgia Avenue.

What should they have done instead?

Hidden Parking Garage, Elm Street, Bethesda

This parking garage in Bethesda Row is partially hidden by other buildings.

In a presentation at Rail~Volution last fall, Jason Schrieber, principal at planning firm Nelson\Nygaard, noted that transit stations in town centers often have more riders than those served only by park-and-rides. In addition, placing other uses around transit creates both economic and public safety benefits for the surrounding community.

With about 5,800 riders each weekday in 2010, the Glenmont Metro station actually has more customers than neighboring Wheaton, which is in a town center. But it still pales in comparison to other Red Line stations in downtowns, like Bethesda (10,600) or Silver Spring (13,400). Meanwhile, just 17% of people living within a half-mile of Glenmont take the Metro to work, compared to 35% in Silver Spring. These are people who probably wouldn’t drive to the station, so a new parking garage won’t encourage them to use transit.

To truly increase transit ridership and help the environment, the new parking garage at Glenmont should have been designed to fit into a larger neighborhood scheme, like the one envisioned in the Glenmont Sector Plan nearly 15 years ago.

Parking Garage Over Shops, Clarendon At Fillmore

This parking garage in Clarendon is part of a neighborhood, not just a place to put cars.

For instance, the new garage could have included ground-floor retail, like this one in Clarendon, providing activity along Georgia Avenue and encouraging commuters to spend time and money in Glenmont. Or the garage could have been designed to allow other buildings around it, like at Bethesda Row, where a county parking garage is located in the center of a city block with housing, shops, and offices.

Though Glenmont struggles with disinvestment, it’s one of the few Metro station areas in Montgomery County where private development is happening without public subsidies. After years of delays, local developer JBG is finally moving forward with Glenmont Metrocenter, which will turn a 1960’s-era apartment complex into a mixed-use community with 1500 homes and 90,000 square feet of retail without a single dollar of county funds.

WMATA could have made money by selling the land around their new garage for future development from which the county could receive tax revenue. Meanwhile, the neighborhood would have more amenities, more residents or workers who could walk or bike to the Metro, and more “eyes on the street,” making the area safer.

County planners are beginning to revise the 1997 plan for Glenmont, but a large chunk of the neighborhood’s potential for revitalization is now be gone. There’s only so much land next to Metro stations in Montgomery County and Greater Washington as a whole, and we have to use it wisely.

Hopefully, the mistakes made in Glenmont will serve as an example of what not to do elsewhere.