Welcome to CRUX
Environmental & Property Advisors You Can Trust
Local Expertise. National Standards. Clear Results.
Clear Due Diligence Backed by Experience
CRUX Environmental and Property Advisors provides environmental and building due diligence services backed by over a decade of hands-on experience. Led by Nathan Shafferman, a seasoned assessor with more than 500+ Phase I & II ESAs and 500+ Property Condition Assessments completed across 23 U.S. states, Mexico, and Canada, CRUX offers unmatched expertise and local insight.
CRUX Core Services
Phase I Environmental Site Assessments (ESA)
Identify environmental risks before you buy. Nathan has authored over 500+ Phase I & II ESA reports, helping investors safeguard properties ranging from auto malls and industrial plants to multifamily housing and aerospace facilities. Learn More →
Property Condition Assessments (PCA)
Assess physical condition and forecast capital needs. With over 500 PCA reports, CRUX has evaluated everything from 31-story office towers to luxury resorts in Cabo San Lucas. Learn More →
Why Choose CRUX?
11+ years of experience in CRE due diligence
International experience (U.S., Mexico, Canada)
500+ ESA reports & 200+ PCA reports authored
Owner-led firm: You work directly with Nathan, the decision-maker
Fast, accurate reporting trusted by banks, brokers, developers, and investors
We’ve worked with Nathan on several projects across the Treasure Valley. His clear communication, timely delivery, and thorough analysis of project conditions have been invaluable in helping us assess risks and meet closing deadlines.
-Nick A. | Yellow Iron Real Estate
Nathan has managed our account for several years, administering over 50 projects across the country. His clear communication style, attention to detail, and sense of urgency while handling our projects has been invaluable. In fact, Nathan is the primary reason that we have continued to use his company as our primary engineering services provider.
I am happy to recommend Nathan and would gladly work with him again.
-Rick H. | Boise Cascade Company
Project Highlights
CRUX has supported clients with due diligence for:
1.4M SF Amazon distribution center (Albuquerque, NM)
31-building apartment complex (Kailua-Kona, HI)
232,000 SF aerospace facility (BC, Canada)
108-room cliffside luxury resort (Cabo San Lucas, Mexico)
31-story high-rise bank building (Phoenix, AZ)
This wide-ranging expertise ensures every client benefits from both technical precision and real-world problem-solving.
Partnerships & Certifications
Industry Training & Credentials
AHERA Building Inspector
Environmental Professional Designation
OSHA 40-Hour HAZWOPER Certified
PCA Specialty Roofing Training
PCA Accessibility Training
Professional Network
CRUX works hand-in-hand with civil engineers, surveyors, roofers, geotechnical experts, and appraisers to support all aspects of commercial real estate due diligence.
Insights & Resources
Stay informed with expert articles on environmental due diligence, property assessments, and commercial real estate risk. Backed by over a decade of experience, our blogs break down complex topics into clear, practical guidance for investors, lenders, and developers.
Meet Nathan Shafferman | Founder
Nathan Shafferman, founder and senior assessor of CRUX, has built his career on precision, endurance, and adaptability. From conducting equity level property condition assessments on high rises to managing environmental testing at international airports, he’s earned a reputation for delivering clear answers under tight deadlines.
Outside of work, Nathan is a dad to four awesome kids and husband to his college sweetheart. When he isn't wrangling the kiddos he enjoys all things endurance— a triathlete, rock climber and ultra trail marathon runner — who brings the same drive and persistence to his clients’ projects as he does to the mountains and trails.
Due Diligence Made Simple.
Get in touch today to request a proposal and see why developers, lenders, and investors trust CRUX with their environmental and building assessments.