Patrick V. McNamara Federal Building

Exterior street-level full view of the McNamara Federal Building477 Michigan Avenue
Detroit, MI  48226-2523
View map

Located in downtown Detroit, the Patrick V. McNamara Federal Building features nearly one million square feet of rentable space and occupies a full city block bound by Howard and Second streets and Cass and Michigan avenues. In the most recent (2015) Tenant Satisfaction Survey, 55% rated the building and GSA services a four or five on a five-point scale.

Property Manager: Anndrea Greer

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

For building services, contact the McNamara Property Management Office (upper right), but for other federal government information, call 1-800-FED INFO (1-800-333-4636).

Public Transportation & Parking Detroit People Mover station 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.

Long shot of McNamara Federal Plaza with flowerbox planters in foreground and building behindBuilding Access All visitors must submit to security screening and present a valid ID card. 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 GSA Form 3453 and submit it to the Property Management Office, Rm. 115, 477 Michigan Ave., Detroit, MI 48226.

Project Update A Recovery Act-funded modernization of the McNamara building from 2010-14 included an FBI office build-out of eight floors and the addition of an FBI-dedicated entryway, conference center, mailroom, and exercise areas. The project also rebuilt the public lobby to alleviate congestion, replaced the emergency generator and fire alarm system, and installed energy-saving insulation around lobbies and entryways, low-flow plumbing fixtures, and high-efficiency lighting with occupancy sensors.

Building Amenities 

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

History & Architecture The McNamara building is designed in the Brutalist style using reinforced concrete with repeating motifs. Opened in 1976, the building is named for former U.S. Senator Patrick Vincent McNamara, who served in Congress from 1955-66. 

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.

The shortcut for this page is

Last Reviewed 2016-02-12