Environmental consulting based in Las Vegas

Based in Las Vegas and serving Nevada, OGI Environmental helps property buyers, owners and lenders understand environmental risks and plan their next steps. We also provide Phase I Environmental Site Assessments and Property Condition Assessments nationwide. Our Nevada services include contaminant investigations and remediation support.

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What to expect when working with OGI

1. Tell us about your property.
Share the location, service needed and your deadline.

2. Review your proposal.
We confirm the scope, fee and anticipated schedule before work begins.

3. Understand your next steps.
Receive clear findings and practical guidance for your property decisions.

Phase I - Environmental Site Assessments
In business since 2005, OGI completes approximately 150–175 Phase I Environmental Site Assessments each year. We follow ASTM E1527-21 to help property buyers, owners and lenders understand environmental conditions before a transaction.
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Phase II - Contaminant Investigations
OGI Environmental’s staff is technically trained and experienced to conduct Phase II contaminant investigations and site characterizations. OGI professionals are well versed in determining the presence, nature and extent of soil and groundwater contamination.
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Property Condition Assessments
OGI provides Property Condition Assessments in accordance with ASTM E2018-24. Through walk-through observations, document review and research, we evaluate commercial building and site conditions to help buyers, owners and lenders understand physical deficiencies and plan for repairs and capital needs.
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Cleanup & Remediation
All cleanup and remediation activities at OGI Environmental are conducted by or under the direct supervision of Nevada Certified Environmental Managers. OGI professionals have acquired extensive experience in soil and groundwater remediation.
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Competitive Pricing

Have a lower written quote for a comparable Phase I ESA in the Las Vegas Valley? Send it to us for a price-match review.

Clear Scope and Communication

Tell us about the property, your lender’s requirements and your deadline. We will confirm the proposed scope, fee and schedule before work begins.

75 Years Combined Experience

Our team brings 75 years of combined experience to environmental due diligence, investigations and remediation. That experience helps us evaluate site conditions and explain practical next steps.