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No other organization represents the geotechnical consulting profession better than CalGeo. We offer a number of membership options to meet the diverse needs of those serving the industry. Membership dues are tax-deductible as an ordinary and necessary business expense.

CalGeo offers continuous networking opportunities, highly educational events, and cost-saving services that have the cumulative effect of producing stronger, more profitable members of the geotechnical industry.

Any members you enter as part of your company will receive a copy of all mailings & e-mails generated by CalGeo (notifications of meetings, conferences, workshops, training classes, the newsletter, any special bulletins, etc.). You may also designate additional branch offices to receive this information at no charge. We offer special savings incentives to our members on programs and other packages throughout the year. Our membership year runs from September 15 through September 14 of the following year.

CalGeo Annual Membership Dues Structure 2023-2024 by Category

Active Members Category

An Active Member may be any firm legally engaged in the private practice of geotechnical consulting. An Active Member firm may designate any legally established branch office as a separate firm for purposes of such branch office qualifying as a separate Active Member. Each Active Member firm, including each branch office of a member firm qualified as a separate member in accordance with the foregoing, shall have as a full-time employee at least one registered civil engineer or registered engineering geologist under California state law with a minimum of 5 years of experience in geotechnical consulting.

  • $305 flat-fee dues for firms with 1 employee*
  • $495 for firms with 2-5 employees*
  • $715 for firms with 6-10 employees*
  • $880 for firms with 11-25 employees*
  • $1045 for firms with 26-50 employees*
  • $1375 for firms with 51-100 employees*
  • $1650 for firms with more than 100 employees* (includes all offices within California)
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* "Employee," for purposes of CalGeo membership dues calculations, is defined as any person directly involved in soil engineering, geology, or environmental sciences; support staff (lab and field technicians), and administrative staff involved in supporting these services in the State of California. Part-time employees should be calculated on a full-time equivalent basis (total monthly part-time-employee hours divided by 160 hours).

*Multi-disciplinary or multi-state/national firms need only count the employees in the geotechnical group within California.

Affiliate Members Category

Individuals or organizations that support the geotechnical profession with products or services.

  • $1970 Flat Fee (firms may be in or outside of California)

Affiliate Members receive:

  • A FREE EXHIBIT BOOTH at our Annual Conference with the purchase of one conference registration. (Conference exhibit space is available exclusively to Affiliate Members on a first-come, first-served basis with some limitations depending on venue capacity.)
  • A complete listing of our members key contacts (in Microsoft Excel).
  • A rotating logo & link placement on the front page of our website.
  • The opportunity to provide one Emerging Professionals webinar (open to CalGeo's whole mailing list) annually.
  • An ad in one of our monthly e.Geo electronic newsletters.
  • Member pricing for all CalGeo events and offerings.
  • Exclusive sponsorship opportunities.
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Individual Members Category

Individual members shall be geoprofessionals. Membership shall be confirmed by a majority vote of the Board. "Individual" members shall not have any voting rights.

  • $165 flat-fee dues for an individual geoprofessional
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Academic Members Category

College professors and students studying in the geoprofessional fields.

  • $10 flat-fee dues for professors
  • FREE for engineering students that are members of their university's CalGeo chapter
  • $10 for other engineering students
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