Accurate Commercial Land and Building Inspections


Our company works relentlessly for you, our client. Since 1975, National Inspection Services has focused exclusively on providing accurate, thorough, well-documented commercial land and building inspections. No matter what your property assessment need, we have the skill and expertise to assist you. We’re independent, and take great pride in the objectivity that allows us to have when it comes to assessing the safety and structural integrity of your property.

From our headquarters in northern Colorado, we effectively serve the entire country through a network of satellite offices. We’re proud to have a large, diverse client base, from Fortune 500 companies to independent investors and developers. Our reputation for excellence among our clients, colleagues and peer organizations is the result of our ongoing commitment to training and personal development, relentless commitment to our process, and unmatched attention to detail.

Environmental Services

  • Asbestos Inspections
  • Phase I, II, and III Environmetal Site Assessments (ESA's)
  • Remediation/Migration/Permitting
  • Remedial Action/Project Management
  • Lead, Radon, and Mold Assessments
  • Indoor Air Quality

Commercial Services

  • Construction Analysis
  • Consulting Services
  • Owner Respresetnation
  • Project Management
  • Property Condition Assessment (PCAs)
  • Jurisdictional Guidance

Other Services

  • Eminent Domain Cases
  • Expert Witness Services
  • Market Appraisals
  • Relocation Studies
  • Utilization Studies
  • Remediation Oversight
Mr. Warren & his firm, National Inspection Services, are exemplary contributors to the construction welfare of this country...truly American assets...and pioneers in the private building inspection industry

Jack Kemp, former Secretary of Housing and Urban Development

Contact National Inspection for a quote for your inspection needs