How to Become a Home Inspector in Delaware

Home Inspector Pre-Licensing Course 

To become a Delaware license home inspector you must complete the following steps:
Step 1: Complete 140 hours of training.
Step 2: Register as a Home Inspector Trainee
Step 3: Complete 75 supervised home inspections.
The Delaware Board of Home Inspectors has approved InterNACHI's 140-hour online training course (free and online for members) for home inspector licensing. Visit the State of Delaware website for details

Read Delaware's approval letter. This document also contains information about the requirements to become a home inspector in Delaware.
Not a member? Join now. After joining, you'll have access to everything you need to be successful, including all of InterNACHI's online training, certifications, Continuing Education, marketing, and business services. Everything you need is all in one place

Insurance for Inspectors

To be a licensed home inspector in Delaware, individuals must meet certain requirements for adequate insurance coverage. InterNACHI members are eligible for discounts and enhanced coverage. Visit for information on how to sign up.

Hands-On Training at House of Horrors® 

Experience world-class inspection training and InterNACHI® member events at our House of Horrors® locations in Colorado and Florida.  The InterNACHI® House of Horrors® is an entire house with 1,000 defects built under our roof.  Register for a free event, take training, test-drive inspection tools, attend an inspector chapter meeting, and inspect the House of Horrors®. 

Inspector Continuing Education (online & free for members)

According to the State of Delaware, home inspector licensees shall complete 40 hours of approved CE by August 31 of each biennial renewal period. Licenses expire on August 31 of odd-numbered years (starting with 2015).


How to Join InterNACHI 


Radon Tester Certification in Delaware (online & free for members)

The Delaware Division of Public Health requires that persons measuring and testing for radon be certified by AARST-NRPP or NRSB. The Delaware Division of Public Health's Radon Program lists Certified Radon Testers on their website at To become certified, inspectors are required to have:

  • certification from a nationally-recognized organization;
  • a Delaware business license; and
  • completed the QA program. 

InterNACHI's free, online "Advanced Radon Measurement Service Provide Course" is AARST-NRPP approved for both initial certification and Continuing Education. To complete all components of the NRPP Radon Certification, please visit their site for more information.  
This course is also NRSB approved for Continuing Education credit. View details about InterNACHI's "Advanced Radon Measurement Service Provider Course

Real Estate Cards (free for members)

InterNACHI members can hand out these marketing cards to licensed real estate agents to help promote their businesses to licensed real estate agents.
When a real estate agent enters the InterNACHI member's ID number into the course system, the member is automatically notified by email.

Home Energy Inspector Certification (online & free for members)

Become a Certified Home Energy Inspector. The online training and certification is free for members. No infrared, no blower door, and no additional training needed. Visit 

Home Energy Score Assessor (online & free for members)

The Home Energy Score is similar to a vehicle's miles-per-gallon rating, and any qualified inspector in the U.S. can generate a Home Energy Score in less than an hour. 
The Home Energy Score provides:
  • a score on a scale of 1 to 10; 
  • facts about the home and its energy use; and 
  • recommendations generated by the U.S. Department of Energy to improve the score and energy efficiency. 
  To become a Home Energy Score Assessor, you must:
    1. be an InterNACHI-Certified Home Energy Inspector (online and free for members); 
    2. complete the 3D-house training (online and free for members);
    3. agree to participate in a Quality Assurance Plan with other local Home Energy Inspector (free for members); and
    4. email Jazmin to participate in the program.

Wood-Destroying Organism Inspection (online and free for members)

The State of Delaware's Department of Agriculture does not currently regulate structural pest inspection. However, InterNACHI members can become certified by taking the Wood-Destroying Organism Inspection Course. InterNACHI's Wood-Destroying Organism Inspection Course is approved by Delaware's Department of Agriculture Pesticide Compliance.

Roof Data Technician (free for members to participate in)

The Roof Data Technician Program, developed by InterNACHI and Owens Corning and Lowe's®, provides an additional revenue stream for InterNACHI members who are hired by Owens Corning as part of a roof warranty claim resolution process. (This program is operational in the United States only.) To participate in the program, visit

Business & Marketing (online and free for members):



Free online Home Inspection Business Course:
InterNACHI's Marketing Team will design a new logo for your inspection business or re-design your existing logo, and design and customize your business cards, flyers and brochures. It's all for free. Take a look at the free design work we've done for our members (free to members). Contact the Inspector Marketing Department today


Homeowner Newsletter (online and free for members)

Keep in touch with all of your clients! The InterNACHI Homeowner Newsletter is: 
  • free for members;
  • customized by you according to condition of the subscriber's house;
  • has five years' worth of monthly issues; and
  • includes your photo and logo in each issue.
Your photo or business logo and website link will appear in each newsletter issue, so your clients can keep your contact information handy. Learn more about the newsletter at
Order handout cards to sign homeowners up for your Homeowner Newsletter -- a customizable, monthly newsletter system that is free to members. Order your cards at

Everything You Need, All in One Place

InterNACHI provides everything you need to be successful. Visit

Membership Benefits (free for members)

InterNACHI provides over $75,000 worth of benefits to its members at no cost. Visit

Archived Documents