SCS Engineers
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About SCS Engineers
SCS Engineers is an employee-owned environmental consulting and contracting firm specializing in the assessment, design, permitting, construction, operation and maintenance, and monitoring of sustainable environmental solutions and facilities. The company provides comprehensive environmental services including solid waste management, environmental remediation, air quality, water resources, and sustainability consulting for both public and private sector clients. With approximately 800 employees working from more than 60 offices across 32 U.S. states, SCS Engineers positions itself as a leader in environmental solutions.
Company History
SCS Engineers was founded in 1970 in Southern California by three civil engineers: Bob Stearns, Tom Conrad, and Curt Schmidt (the initials S-C-S form the company name). The company became employee-owned in 1986 when it implemented an Employee Stock Ownership Plan (ESOP). Over the following decades, SCS grew from its California roots to a nationwide operation with offices in 32 states. The company celebrated its 50th anniversary in 2020.
Services Offered
Phase 1 Environmental Site Assessment
SCS Engineers provides Phase 1 ESA services compliant with ASTM E1527-21 standards.
Pricing: Contact for quote
Pricing Details
No public pricing - quote required. Since 1970. Large environmental consulting firm. Services: Phase I/II ESA, Due Diligence, Brownfields, Hazardous Waste.
Service Area
SCS Engineers is headquartered in Long Beach, California, operating from more than 60 offices across 32 U.S. states with additional international presence. Key office locations include Long Beach, CA (headquarters), San Diego, CA, Bellevue, WA, Bedford, TX, and Lansdale, PA.
SCS Engineers provides nationwide coverage across all 50 states.
Where SCS Stands Out: Solid Waste & Brownfields
SCS Engineers’ brand is built on solid waste management and landfill engineering — areas where they are arguably the most-cited consulting firm in the U.S. While that may sound disconnected from typical CRE Phase 1 ESA work, it matters when:
- The property under contract is a former landfill, gravel pit, or fill site
- The deal involves brownfield redevelopment — SCS publishes extensively on brownfields, including mine tailings remediation (Salt Lake City case study) and vapor intrusion regulatory guidance
- The transaction involves organics recycling, MSW, or special waste handling infrastructure
SCS’s published case studies show 20-year client relationships with manufacturers like Baker Manufacturing Company (a Wisconsin foundry), where SCS handled Phase I/II ESAs alongside indoor air quality monitoring, air permits, SWPPP plans, hazardous spill responses, and EHS compliance — illustrating the full-lifecycle environmental relationship.
Full Service Stack
SCS organizes services across multiple environmental practice areas:
- Phase I/II Environmental Site Assessments — ASTM E1527-21 / AAI-compliant
- Brownfield Redevelopment — assessment, remediation design, regulatory negotiation
- Solid Waste Management — landfill design, gas-to-energy, operations
- Landfill Gas / Renewable Energy — RNG, LFG-to-electricity projects
- Hazardous Waste Management — RCRA compliance and corrective action
- Vapor Intrusion — assessment and mitigation (active publishing area)
- Air Quality — Clean Air Act permitting, emissions inventories
- Water Quality and Stormwater — WPDES/NPDES permits, SWPPP
- Geosynthetic Liner / Containment Engineering — niche capability
- Deep Well Injection — liquid waste management
- OSHA & EHS Compliance — workplace safety and regulatory programs
Service Area
SCS Engineers is headquartered at 3900 Kilroy Airport Way, Suite 300, Long Beach, CA 90806 and operates from 60+ offices across 32 U.S. states. Notable office locations: Long Beach CA (HQ), San Diego CA, Bellevue WA, Bedford TX, Lansdale PA.
The state coverage is broad but not as deep as Terracon’s 200-office footprint — for many markets, SCS handles work via regional staff mobilized from a nearby office rather than a local team.
Best For
- Former landfill, brownfield, or fill-history properties — domain leadership
- Manufacturing/industrial sites with long-cycle EHS needs — proven 20+ year client relationships
- Vapor intrusion-impacted properties — active practice and publishing
- Landfill-gas-to-energy and renewable energy deals — sector specialty
- Multi-state environmental compliance portfolios — 60+ office reach across 32 states
- CRE deals with deep environmental complexity — not the right pick for simple Class A office Phase 1s
Request a Quote
Contact SCS Engineers directly:
- Call: 1-800-767-4727
- Visit: scsengineers.com
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