ECS Limited

Nationwide Coverage ALTA Survey & Phase 1 ESA
38+
Years in Business
3000+
Employees
Nationwide
Coverage
Property Expertise
geotechnical engineeringenvironmental consultingconstruction materials testingfacilities engineering

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About ECS Limited

ECS — now branded as the ECS Group of Companies (encompassing ECS Limited, ECS Corporate Services LLC, ECS Southwest LLP, and other regional subsidiaries) — is one of the largest privately-held engineering consulting firms in the U.S. Founded in 1988 and headquartered in Chantilly, Virginia, the firm operates across four service lines: geotechnical engineering, construction materials testing, environmental consulting, and facilities engineering. The multi-discipline structure is the practical differentiator — institutional buyers who need a Phase 1 ESA, a geotechnical study, and construction-materials testing on the same project can consolidate vendors rather than coordinate three.

ECS is pre-approved by Fannie Mae, Freddie Mac, and HUD, which matters operationally: many GSE-financed multifamily deals require the consultant be on the lender’s approved list before the Phase 1 ESA report is accepted. Being pre-approved removes a procurement step that can add days to a closing.

ECS also performs work for state DOTs — the firm appears in the Virginia DOT I-64 Hampton Roads Express Lanes (HREL) Segment 1B tech proposals as Environmental & Permitting consultant, an authority signal for large infrastructure work.

Services Offered

Environmental Services

ECS’s environmental practice covers the full due-diligence stack:

  • Phase I ESA (ASTM E1527-21, AAI-compliant)
  • Phase II ESA — soil and groundwater sampling, contamination delineation
  • Soil + Groundwater Assessments outside of formal ESAs
  • Vapor Intrusion Evaluation + Mitigation — relevant for dry cleaner, manufacturing, and brownfield sites
  • Industrial Hygiene — workplace exposure assessment
  • AHERA K-12 Compliance — asbestos compliance for school properties
  • Asbestos Services — survey, abatement design, project monitoring
  • Lead-Based Paint Assessment — HUD-required for pre-1978 multifamily

ALTA/NSPS Land Title Survey

ECS provides ALTA surveys for commercial transactions, often bundled with environmental and geotechnical services on the same engagement. The bundled approach can reduce site visits and timeline overlap.

Other Engineering Services

While not the focus of this listing, ECS’s broader practice includes:

  • Geotechnical engineering (foundation studies, settlement analysis)
  • Construction materials testing (concrete, soil, asphalt)
  • Facilities engineering and Property Condition Assessments
  • Structural engineering and observation services

Pricing: Quote required for both ALTA and Phase 1 ESA. Pricing reflects ECS’s pre-approved status with GSE lenders and full-service scope — typically not the lowest-cost option, but competitive for institutional and agency-financed deals.

Service Area

ECS provides nationwide coverage with deep regional density:

  • Mid-Atlantic — Chantilly, VA headquarters covers the DMV (DC, Maryland, Virginia) plus mid-Atlantic states
  • Southwest — ECS Southwest LLP (Carrollton, TX) covers Texas and adjacent states
  • Southeast — multiple offices across the Carolinas, Georgia, Florida
  • Midwest — regional offices across IL, IN, OH

The subsidiary structure means clients work with regional staff who know local regulatory bodies (state DEQs, AHJs), not a centralized national pool.

Best For

  • Fannie Mae, Freddie Mac, or HUD multifamily deals — pre-approved status removes a procurement hurdle
  • Institutional/portfolio clients needing bundled scope — Phase 1 + geotech + materials testing under one engagement
  • Properties with vapor intrusion risk — dedicated VI evaluation and mitigation practice
  • Pre-1978 multifamily with lead/asbestos exposure — full HUD compliance scope in-house
  • Multi-state portfolios where consistency matters — single firm, regional execution

Request a Quote

Contact ECS Limited directly:

  • Phone: (571) 299-6000 (Chantilly HQ)
  • Visit: ecslimited.com
  • Texas/Southwest: ECS Southwest LLP, (972) 392-3222

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