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Onega Inspection Services, LLC

Connecticut and Rhode Island Licensed Home Inspector & HERS Rater. ASHI & InterNACHI Certified.

Located in Westerly, Rhode Island.

Home Inspection Welcome
Westerly Ocean Community Chamber of Commerce Certification
Nicholas Onega Certified HERS Rater Badge from RESNET
InterNACHI Certified Professional Inspector Certification
Certification Badge by the American Society of Home Inspectors
FAA Certified Drone Pilot Badge
Connecticut and Rhode Island Home Inspector Certified Radon Professional Badge
5 Star Google Customer Rating Badge

Let's find out if this investment is right for you.

We understand purchasing a new home can be daunting. At Onega Inspection Services, our commitment is to make this step of the home inspection process as stress-free as possible while providing the expert evaluation you need to make a confident decision.

Onega Inspection Services Logo

Reliable Home Inspection Expertise Across Connecticut & Rhode Island

If you're buying, selling, or simply seeking peace of mind, Onega Inspection Services conducts thorough and comprehensive home inspections that leaves no stone unturned. Whether you need a Westerly Home Inspector, Mystic Home Inspector, or New London Home Inspection professional, we've got you covered. We offer a wide range of home inspection services including:

Rear View Of Loving Couple Walking Towards House.jpg

Rhode Island & Connecticut Home Inspection Services

Each home is unique. Cover the needs of your property all at one place and time with our wide selection of Rhode Island and Connecticut home inspection services.

Not sure which inspection services to choose?
Feel free to 
contact us and we'll be happy to discuss the specific needs of your property.

Suburban House

Purchase a new home with confidence. An in-depth home inspection provides a comprehensive report of a home's overall status and will empower you as a home buyer to make informed decisions.

Luxury House

Avoid surprises and sell your home with confidence. A pre-listing home inspection reports on the overall status of your existing home to help you better prepare for listing and avoid unforeseen expenses. 

Add-On Inspection Services

In addition to a Rhode Island or Connecticut home inspection, our add-on inspection services help you to address specific concerns with your future property.
As a one-stop shop for all your residential inspection needs, we make it easy for you to address multiple concerns all at one place and time.  

Damage caused to a home by termites and other wood-destroying organisms can be significant and expensive. That is why we always recommend a termite inspection. A professional inspection identifies signs of current activity and evidence of prior damage and treatment.
Form NPMA-33 available per request.

Radon is a naturally occurring gas that slowly concentrates underground until it escapes through the surface. We utilize the latest technology in continuous radon monitors to help you see what’s hiding in the air you breathe, contributing to a healthier home environment.

AARST-NRPP Certified Radon Professional. ​

Water in Well

Water Quality Testing

Determine the quality of a home's water supply with a professional water test. We provide laboratory analysis to test water for dozens of parameters including bacteria, lead, arsenic, uranium and more.​

Would you like to know how much water a private well can provide to your home? A Well Flow Test provides information on the well's production, pressure, and confirms proper operation of well system components.

Concerned about mold or air quality? We provide professional mold testing services to determine potential hidden problem areas. Laboratory analysis identifies specific mold and allergen types so you can move forward with a correct remediation plan.

Rhode Island & Connecticut Energy Services

Experience the transformative power of energy efficiency with Onega Inspection Services. As industry leaders in HERS energy ratings and energy services such as Air Leakage, Blower Door Testing and Duct Leakage Testing, we're dedicated to helping homeowners and contractors in Connecticut and Rhode Island optimize their homes for maximum comfort, sustainability, and savings.

As leaders in the field, Onega Inspection Services specializes in Home Energy Rating System (HERS) assessments. Our certified professionals conduct thorough evaluations to determine your home's energy efficiency rating, providing invaluable insights into areas for improvement and potential cost savings.

Detecting air leaks is crucial for maximizing energy efficiency. With state-of-the-art blower door testing technology, Onega Inspection Services identifies air infiltration points, helping you seal gaps and enhance your home's thermal performance.

Leaky ducts can significantly impact your home's energy efficiency and indoor air quality. Onega Inspection Services conducts precise duct leakage tests to pinpoint areas of concern and recommend tailored solutions to optimize your HVAC system's performance.

American Society of Home Inspectors ASHI Certification Badge
InterNACHI Certified Professional Inspector Certification Badge
RESNET Certified HERS Rater Badge

Certified, Licensed & Insured

At Onega Inspection Services, each of our residential inspection services abide by the Standard(s) of Practice as stated by the American Society of Home Inspectors (ASHI), the International Association of Certified Home Inspectors (InterNACHI), the state of Rhode Island, and the state of Connecticut.

Certified HERS Rater by the Residential Energy Services Network (RESNET).

Certified Radon Analytical Service by the
National Radon Proficiency Program (NRPP) and proud member of the Ocean Community Chamber of Commerce in Westerly, Rhode Island.

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Meet the Owner

As a state-licensed, ASHI & InterNACHI Certified home inspector, Nicholas Onega brings a wealth of knowledge and experience to ensure thorough and accurate assessments of your future home.

With a commitment to continuing education and utilization of the latest in inspection technology and software, you can rest assured you are receiving the most accurate assessment of your future property and home.

Photo of Nicholas Onega who is a RI and CT Home Inspector and HERS Rater

Professional Rhode Island & Connecticut Home Inspections 


We try our best to deliver a comprehensive home inspection service that is as straightforward and streamlined as possible. That's why we offer auxiliary services as part of each Standard Home Inspection so you aren't caught unaware by additional costs.


With over 2,500 home inspections and 15 years experience, our satisfied clients can attest to the superiority of our services. We combine experience with a commitment to continuing education and the latest in inspection technology, ensuring you get a detailed evaluation of your future home.


By eliminating hidden fees, we make it easy to determine the price of any RI or CT home inspection. Our online scheduling platform provides you with a seamless concierge experience. 

Detailed Home Inspection Reports Ready Within 24 Hours

Expect an easy to understand, interactive home inspection report containing pictures, videos and helpful informational links; easily accessible from your phone, computer or printable PDF.

Professional Home Inspections and HERS Ratings in CT and RI


Westerly Watch Hill Richmond Hopkinton Charlestown Exeter Wakefield South Kingstown North Kingstown Kingston | Narragansett East Greenwich West Greenwich   Cranston Warwick Providence East Providence Pawtucket Johnston Newport | Block Island | ...and all the little towns in between. 


Stonington | West Hartford  | Mystic | Ledyard | Groton Niantic | Lyme | East Lyme Old Lyme Old Saybrook Waterbury Essex Southington Bethel Danbury Middletown Clinton Westbrook | Madison Glastonbury | ...and all the little towns in between. 

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