California Environmental Consulting
Experience You Can Build On
Since 1989, The Reynolds Group has helped California property owners, developers, businesses, and attorneys assess environmental risks, address contamination, and navigate regulatory requirements. From due diligence through remediation and site closure, we develop practical solutions that support your property and business goals.
Years in Business
Projects Completed
Projects in LA County
Environmental Experts
Practical Experience.
Complex Environmental Challenges.
Our engineers, geologists, and field professionals investigate environmental conditions, design and implement remediation and vapor mitigation systems, and manage projects under California regulatory oversight.
- Commercial real estate due diligence and redevelopment
- Former dry cleaners, industrial facilities, and petroleum release sites
- Soil, groundwater, soil vapor, and indoor air investigations
- PFAS assessment and regulatory response
- Cleanup funding assistance and environmental litigation support
Every project is unique, but our philosophy never changes:
Understand the problem, communicate clearly, develop practical solutions, and help clients make informed decisions.
What We Do
Start-to-finish environmental services.
We combine environmental consulting, engineering, and field services to assess risks, implement solutions, and guide projects through California’s regulatory process.
Environmental Expertise from Assessment through Implementation
The Reynolds Group combines environmental consulting, engineering, and field services to assess risks, implement solutions, and guide projects through California’s regulatory process.
Site Assessment & Due Diligence
Understand environmental conditions before buying, selling, financing, or redeveloping a property. We perform Phase I and Phase II Environmental Site Assessments, review historical records and existing reports, and investigate potential concerns so clients can make informed decisions.
- Phase I Environmental Site Assessments
- Phase II Environmental Site Assessments
- Environmental Due Diligence
- Real Estate Transaction Support
Site Investigation & Remediation
We investigate the nature and extent of contamination in soil, groundwater, and soil vapor, then develop and implement appropriate cleanup strategies. Our capabilities include pilot testing, remediation system design and installation, soil vapor extraction, groundwater treatment, excavation, and ongoing operation and monitoring.
- Site Characterization
- Soil & Groundwater Investigation
- Soil Vapor Assessment
- Soil & Groundwater Remediation
- UST Removal & Closure
- Remediation System Design
- Installation & Operation; PFAS Assessment
PFAS Assessment
We evaluate potential sources of per- and polyfluoroalkyl substances (PFAS), develop sampling workplans, investigate affected environmental media, and coordinate with regulatory agencies to address findings and determine appropriate next steps.
Regulatory Strategy & Site Closure
We help clients respond to agency requirements, address data gaps, and develop technically supported paths toward regulatory closure. Our team prepares workplans and reports, coordinates with DTSC, Regional Water Quality Control Boards, and local agencies, and manages technical requirements with the client’s schedule and budget in mind.
- Regulatory Agency Coordination
- Environmental Compliance
- Cleanup Program Management
- Site Closure & No Further Action (NFA)
Brownfield Redevelopment & Cleanup Funding
We help owners and developers evaluate environmentally impaired properties and plan investigations and cleanup around their intended use. For eligible projects, we assist with cleanup funding applications, including the Site Cleanup Subaccount Program (SCAP), and provide ongoing grant reporting and reimbursement documentation.
- Brownfield Redevelopment
- Cleanup Funding Applications & Grant Administration
- Corrective Action Planning
Litigation Support & Expert Services
We support attorneys and clients with independent technical review, environmental investigations, remediation cost evaluations, and expert witness services. Our analysis helps clarify site conditions, evaluate competing technical conclusions, and explain environmental issues in clear, defensible terms.
- Expert Witness Services
- Technical Peer Review
- Remediation Cost Evaluation
Vapor Intrusion Assessment & Mitigation
We evaluate whether subsurface contamination may affect indoor air through soil vapor, sub-slab, and indoor air testing. Our team performs mitigation pilot testing, designs and installs sub-slab depressurization systems, and provides operation, maintenance, and performance monitoring.
- Soil Vapor, Sub-Slab & Indoor Air Assessment
- Vapor Intrusion Evaluation
- Mitigation Pilot Testing & System Design
- Sub-Slab Depressurization System Installation
- System Operation, Maintenance & Performance Monitoring
Why The Reynolds Group?
Experience is easy to claim – confidence is earned. We want you to know within minutes of our first conversation that you’re in very capable hands with our team of professionals.
Independent leadership since 1989
Consistent leadership and long-term relationships with clients throughout California.
Engineering backed by field experience
Our team connects investigation findings with practical remediation and mitigation design, installation, and operation.
Experienced regulatory strategy
Decades of experience preparing technically supported workplans, responding to agency comments, and pursuing appropriate site closure.
Direct access to experienced professionals
Work with professionals who explain the findings, identify the options, and keep your property and business goals in view.
Our Clients
Trusted by the people behind California's properties and projects.
We work with property owners, developers, businesses, attorneys, lenders, and public agencies on environmental issues affecting transactions, operations, and redevelopment.
- Commercial Property Owners
- Industrial Facilities
- Real Estate Developers
- Environmental Attorneys
- Municipalities
- Public Agencies
- Attorneys
- Lenders
- Manufacturers
- School Districts
- Civil Engineers
- Architects
- Dry Cleaners
- Small Business Owners
Hear from our clients
Let's move your project forward.
Whether you’re navigating environmental due diligence, regulatory compliance, contamination, or redevelopment, we’re ready to help.