Terra-Petra Environmental Engineering

Terra-Petra Environmental Engineering In heavily populated areas such as Los Angeles, where parking space is at a premium, our designs nearly always include below-grade waterproofing and drainage.

Terra-Petra provides environmental engineering and waterproofing consulting, testing, design, inspection services for methane, brownfield, vapor intrusion, oil fields, radon, and more. Terra‑Petra specializes in environmental soil and soil gas characterization and remediation; and in the design and inspection of soil gas mitigation systems for buildings of all types—including commercial, multiple

-family, single-family, industrial, institutional and retail. We make it our business to understand any specific project “challenges” from the beginning, to ensure that we engineer “sustainable systems” for our clients. Terra‑Petra takes pride in our understanding of the construction processes, thus allowing us to design the most cost-effective systems for any building and budget.

As we welcome 2026, we’re grateful for our partners, clients, and communities.Who share our commitment to responsible en...
01/01/2026

As we welcome 2026, we’re grateful for our partners, clients, and communities.

Who share our commitment to responsible environmental solutions.🎉

Here’s to a new year of innovation, sustainability, and progress.

Happy New Year from all of us at Terra-Petra Environmental Engineering.💫

Address

700 S Flower Street Ste 2580
Los Angeles, CA
90017

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(213) 788-3564

Website

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