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Contact the Office of Enterprise Technology

Chambers BuildingWe are located in the historic Chambers building on the southeast corner of 4th Avenue and Jackson Street.

301 South 4th Avenue, Suite 200
Phoenix, AZ 85003
(602) 506-7116.

Parking Information: Metered parking is available on all streets surrounding our office. Unfortunately, there is no reserved or parking lot available to visitors of OET. The hourly charge for metered parking is $1.50. Meters are enforced daily and vary per location. There is an open lot at the southeast corner of Jackson and 3rd Avenue with a pay box. No matter where you park, please make sure to check the parking enforcement information on the meter or at the pay box. Parking in downtown Phoenix is monitored and enforced regularly.

General administration hours are Monday - Friday 8:00am - 5:00pm, except holidays.

Historic Chambers Building

Chambers Transfer & Storage Company Building

The Chambers Transfer & Storage Company is significant in the history of commerce in Phoenix. As the railroads developed, support warehouses were constructed on each side of the railroad tracks. Phoenix is the only location in Arizona where the Southern Pacific and the Santa Fe Railroads connect, making it the natural location for major warehousing functions. The Spanish Colonial Revival style building was designed and constructed in 1923 by T.B. Stewart Construction for the O'Malley Lumber Company as a speculative property. The Chambers Transfer & Storage Company occupied the building in 1924. Maricopa County Purchased the building in 2006.

This property has been placed on the National Register of Historic Places and the Phoenix Historic Property Register.

--Preserving Arizona’s Heritage
Maricopa County Office of Enterprise Technology
Phone: (602) 506-7116
Maricopa County || 301 W. Jefferson St. || Phoenix, AZ 85003 || 602-506-3011
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