McAlister GeoScience is a diverse team of geologists, engineers, and environmental toxicologists providing multiple, creative, and technically sound solutions for geologic and environmental challenges facing property owners, developers, and managers; delivered on time and accurately. The goal of providing these services is to forge a long-term relationship with our clients.


McAlister Vision

McAlister GeoScience aspires to become a firm everyone can turn to not only as technical experts and guides, but as long-term partners they can rely on.


We Strive for
Quality Results

The use of qualified contractors and certified laboratories allows McAlister GeoScience to obtain quality results for all project types.



Here at McAlister GeoScience, we are all very excited to announce the official acquisition of Eco Compliance Corporation based in Seattle, Washington
Since 1993, Eco Compliance has provided comprehensive expertise with environmental compliance issues. With its sole focus on client’s needs, the company has established long-term relationships with numerous government, private and non-profit entities throughout the Pacific Northwest.
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McAlister GeoScience employs staff with a passion for helping clients achieve their goals. We create a culture with values set at providing the best services possible and motivate our staff to produce quality and responsible results.

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McAlister GeoScience is a one-stop-shop for all your geological consulting needs. With services ranging from Phase I & II ESAs to remediation and geotechnical reports, know that McAlister GeoScience can help you every step of the way to achieve your goals.

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Find out what projects McAlister GeoScience is currently working on and has completed in the past.

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About Us

McAlister GeoScience is an effective and results-focused firm leveraging extensive experience with the successful design and implementation of Phase I and II environmental site assessments.  McAlister GeoScience possesses extensive experience in activities associated with the implementation of remedial action including agency interaction and all aspects of project management. McAlister GeoScience personnel have also proven

to be effective project managers and technical specialists performing data analysis and reporting, remedial action, and compliance activities obtaining regulatory closure at numerous facilities located in Southern California.

About McAlister GeoScience

McAlister GeoScience

235 E. Broadway, Suite 1040
Long Beach, CA 90802

Phone: (562) 489-7908

Contact Us Now!

235 E. Broadway, Suite 1040
Long Beach, CA 90802

800 5th Avenue, Suite 101-313
Seattle, WA 98104


Long Beach: (562) 489-7908
Seattle: (425) 271-5629

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