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NAHI logoNational Association of Home Inspectors, Inc.
The National Association of Home Inspectors, Inc. (NAHI) was established in 1987 as a nonprofit association to promote and develop the home inspection industry. The mission of the National Association of Home Inspectors is to promote excellence and professionalism in the Home Inspection industry; to provide a standards of practice and a code of ethics; to educate its members; and to inform the public of the benefits and scope of a professional home inspection. NAHI now has over 2300 members in 49 U.S. states and Canada.


NAHICRI logoThe NAHI CRI “Certified Residential Inspector” designation is the highest out of the three levels an inspector can achieve. NAHI CRI membership is bestowed upon home inspectors who demonstrate their knowledge of, and proficiency at, all aspects of home inspection. The NAHI CRI is received only after an individual has conducted 250 inspections, has passed the extensive required examination, and met all requirements set forth by the Board of Directors. The NAHI CRI membership level requires recertification on an annual basis. All NAHI CRI Members must complete sixteen (16) Continuing Education Units (CEUs) per year. Sixteen CEUs is equal to 16 hours of classroom study. Currently less than 10% of NAHI’s home inspectors are registered as a CRI.

IAQA logoIndoor Air Quality Association
The Indoor Air Quality Association (IAQA) is a nonprofit, multi-disciplined organization, dedicated to promoting the exchange of indoor environmental information, through education and research, for the safety and well being of the general public.



ACAC logoThe American Council for Accredited Certifications
The American Council for Accredited Certifications promotes awareness, education, and board certification in the field of Indoor Air Quality through integrity, credibility, and independence.  The Council develops and maintains independent, third-party accredited certification programs for IAQ professionals.  ACAC certifications attest to verified knowledge, field experience and continuing professional development.


IESO logoIndoor Environmental Standards Organization
As the indoor air quality (IAQ) industry continues to evolve, businesses that are responsible for managing IAQ issues are adapting to meet the demands of the industry. The Indoor Environmental Standards Organization (IESO) was established in 2002 to assist these businesses.

EPA logoEnvironmental Protection Agency
The mission of the Environmental Protection Agency is to protect human health and the environment. Since 1970, EPA has been working for a cleaner, healthier environment for the American people.



NRPP logoThe NEHA National Radon Proficiency Program is the leading certification program for radon professionals in North America. We’re pleased to note that our program was officially deemed equivalent to the USEPA’s certification program in 2001. Since then, through the professional efforts of the National Environmental Health Association and the American Association of Radon Scientists and Technologists, and the independent oversight of both an independent Policy Advisory Board and Education Advisory Board, consisting of 16 public and private sector officials, educators, practitioners and well respected scientists, the NRRP program has grown into the largest body of radon professionals anywhere in the world. The NEHA-NRPP program is also supported administratively through both the staff of the American Association of Radon Scientist’s and independent scientists and technical advisors who serve on the AARST Technical and Science committee.

HCAR logo Harford County Association of Realtors
The HARFORD COUNTY ASSOCIATION OF REALTORS® exists to support all segments of its membership, in concert with MARYLAND and NATIONAL ASSOCIATIONS OF REALTORS®, by developing and delivering programs, services and related products that will continue to elevate the standards of the real estate business and the professional conduct of the persons engaged therein, and that will assist members in ethically and successfully serving the public with the highest degree of professional ability in matters involving real estate; and through collective efforts.


Radon Testing   |   Septic System Inspection   |   Water Sampling and Testing   |   Well Flow Rates
Infrared Thermography Scanning   |   Mold Inspections   |   Mold Remediation

Providing residential, commercial and rental property inspections in Baltimore County,
Cecil County, Harford County and surrounding counties in Maryland!

Advanced Property & Environmental Contracting Services

P.O. Box 43957
Nottingham, MD  21236
License # 29775

NAHI logo EPA logo Realtor logo
MAHI logo  ACAC logo  IAQA logo