respect. restore. revitalize.

Founded in 1985, Spectra’s unique expertise and unparalleled technical knowledge in the areas of historic preservation and specialty construction make us the #1 Specialty Historic Contractor on the West Coast.

We offer a diverse range of historic construction, restoration and preservation consulting services. These services range from managing entire rehabilitation projects as general contractor to restoration of all the many materials found on historic buildings to conservation of decorative paintings and murals.

For over 30 years, we have been entrusted with the rehabilitation of over 300 of the most cherished historical, architectural and cultural landmarks in the country.



Affiliations Professional Organizations

View list of our affiliated Professional Organizations

Ray Adamyk's Historic Preservation Presentation Kiwanis Club Pomona Newsletter | Nov 2015 READ ARTICLE >
Just In Time For El Nino Tribune | Oct 2015 READ ARTICLE >
Finally Complete! KSBY NEWS | Sept 2015 READ ARTICLE >
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The Greenest Building Is One That Already Exists