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Chambers Building
We are located in the historic Chambers building at 301 South 4th Avenue, Suite 200 on the southeast corner of 4th Avenue and Jackson Street. Our professional support staff can be contacted at (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 Monday – Saturday 8:00 am – 5:00 pm. 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.

Vendor Information: All non-construction related solicitations are posted through Bidsync. Vendors can register for free and select the appropriate commodity codes and notification preferences. Anytime an agency has a requirement that matches your preferences, you will be notified through the system. For more information visit the Office of Procurement Services Website.

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

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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.

Maricopa County Board of Supervisors
image spacer Fulton Brock image spacer Don Stapley image spacer Andrew Kunasek image spacer Max W. Wilson image spacer Mary Rose Garrido Wilcox image spacer

County Manager image spacer Tom Manos

Preserving Arizona’s Heritage
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Maricopa County || 301 W. Jefferson St. || Phoenix, AZ 85003
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