TETRA TECH INC (TTEK) Headquarters — Pasadena, California

Headquarters

3475 East Foothill Boulevard
Pasadena, CA 91107

Pending review

Incorporated in Delaware, TETRA TECH INC operates from its headquarters in Pasadena, California. A company's state of incorporation is a legal domicile and is often not where it actually does business.

Exchange
Nasdaq
Sector
Manufacturing & Transport
Industry
Services-Engineering Services
Shares outstanding
256.04M (as of Jul 20, 2026)

Sector groupings are Tickerscape's own, derived from the company's SEC Standard Industrial Classification code — not GICS®, ICB® or any other licensed scheme, and they will disagree with those on some companies. How sectors are assigned.

Informational purposes only — not investment advice. Headquarters location reflects the company's most recently recorded principal address.