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Environmental Due Diligence You Can Trust

Expert Phase I Environmental Site Assessments & Compliance Services for Real Estate, Development, and Industry.

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About Us

We bring over 25 years of experience as trusted leaders in environmental due diligence.


Our mission is to simplify every step — from payment to reporting — while staying ahead of evolving industry standards.

A Phase I Environmental Site Assessment (ESA) is a critical step in identifying environmental risks before property transactions.
Through meticulous records reviews, site inspections, regulatory research, and stakeholder interviews, we help uncover potential contamination — ensuring compliance with ASTM E1527-21 standards and protecting all parties from liability.

Credentials:
✅ Stormwater QSD & QSP
✅ Registered Environmental Property Assessor (REPA)
✅ Industrial Stormwater QISP
✅ Fully insured & former officials at CA Dept. of Toxic Substances Control.

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Our Services

​Phase I Environmental Site Assessments
  • Standard Commercial Property (≤ 5 acres): **$1,800-$2,500**

  • Industrial Property (5-20 acres): **$2,500-$4,200**

  • Large/Complex Sites (20+ acres): **$4,200-$6,500**

  • Rush Service (7-10 business days): **+25% fee**

Environmental Compliance Packages
  • Facility Compliance Audit: **$1,500-$3,500**

  • Annual Compliance Program: **$2,500-$6,000/year**

  • Regulatory Agency Liaison Services: **$150/hour**

  • Spill Prevention Plans (SPCC): **$1,800-$3,500**

Stormwater Pollution Prevention Plans (SWPPP)
  • Construction SWPPP Development: **$1,200-$3,500**

  • Industrial SWPPP Development: **$2,000-$4,500**

  • SWPPP Implementation Support: **$125/hour**

  • Annual SWPPP Review/Update: **$750-$1,800**

Specialty Services
  • Expert Witness Testimony: **$250/hour** (4-hour minimum)

  • Record Search with Risk Assessment (RSRA): **$850-$1,500**

  • Brownfield Redevelopment Support: **$175/hour**

  • Environmental Due Diligence: **$2,000-$5,000**

Testimonials

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Working with them streamlined our assessment process. Highly recommended.

Real Estate Investor

Contact Us

Get in Touch with Our Environmental Experts
Have questions about Phase I Environmental Site Assessments or need a quote for your property? Our team is here to help with fast, knowledgeable support.

707-695-0598
3041 Pebble Beach Circle, Fairfield, CA 94534
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