Aon Center
(Los Angeles, CA)

Aon Center is a mid century modern office skyscraper located in downtown Los Angeles, California. Completed in 1973, it is the second-tallest building in Los Angeles at 858 feet, and has 62 floors. Designed by Charles Luckman, it is a rectangular black building with a white border, and a remarkably slender form for a skyscraper in a seismically-active area.

In 2009, Spectra Company worked with D7 Consulting to restore the complete exterior aluminum panels and window mullions. The most famous “mid-century” modern Hi-Rise in Los Angeles was restored to its original condition. Aluminum panels and mullions are common in modernist architecture. Oftentimes owners are unaware that they can be restored. Spectra has the craft and product technology that can clean, restore and seal these surfaces to their original condition.


  • Seismic Renovation
  • Gypsum Plaster
  • Portland Cement Plaster
  • Historic Doors
  • Historic Windows
  • Copper Restoration and Cleaning
  • Caulking and Sealing Windows
  • Mold Remediation

Design Team

Owner: Broadway 707 Wilshire Fee LLC
Original Architect: The Luckman Partnership
Consultant: D7 Consultants
General Contractor: Spectra Company

The Greenest Building Is One That Already Exists