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477 Michigan Avenue
Detroit, MI  48226-2523

The Patrick V. McNamara Federal Building occupies a full city block between Howard and Second streets and Cass and Michigan avenues in downtown Detroit. Designed in the Brutalist style with reinforced concrete, the building is named for former U.S. Senator , who served in Congress from 1955-66. 

Property Manager: Brian Green

Public Hours: 8 a.m.– 5 p.m. Monday through Friday (except )

For building services, see contact box elsewhere on this page. For other federal government information, call toll-free 1-844-USA-GOV1.

Public Transportation, Parking, and Access

 delivers riders across from the building on Cass Avenue. Two-hour parking is available in metered spaces near the building, while adjacent surface lots offer public parking for $5-10 per day. Visitors must submit to security screening and present a valid ID card (see ). Weapons, ammunition, pointed items, aerosols, alcohol, hand tools and hardware are prohibited. 

Plaza Use

To request use of the McNamara Federal Plaza for public communication, complete Bet365 Form 3453 and submit it to the Property Management Office, Room 115, 477 Michigan Avenue, Detroit, MI 48226.

Building Amenities

• Convenience store – Basement Level – 7 a.m.-3:30 p.m.
• Business center (USPS, UPS, FedEx boxes; ATM) – 1st Floor
• Peoples Trust Credit Union – Mezzanine Level – 9 a.m.-5 p.m. weekdays (Wednesdays, 10 a.m.-5 p.m.)

Art in Architecture

Awards

In 2007 and 2008 the McNamara Federal Building was the recipient of a Building Owners and Managers Association (BOMA) Office Building of the Year (TOBY) Award in the Government category and has earned ENERGY STAR^® designations every year since 2008.