
Serving Williamstown, PA and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: Quick response
"Radon was over 6, now it's under 1. Job was done quickly."



*The Angi rating for Radon Detection And Reduction companies in Williamstown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
*The HomeAdvisor rating for Radon Detection And Reduction companies in Williamstown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
Last update on June 05, 2026

Serving Williamstown, PA and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: Quick response
"Radon was over 6, now it's under 1. Job was done quickly."



Serving Williamstown, PA and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
With over 5 years of experience MCJ Home Inspection LLC was founded on the belief that your home is special place. The home buying experience can be a long and daunting process. It can also involve considerable financial investment.\n\nAt MCJ Home Inspection LLC we understand your concerns and will work diligently to help you make the best decision possible by providing you with clear, reliable and complete reports.\n\nwww.mcjhomeinspection.com\n\nTeachers, First Responder & Military Veteran Discounts Available - Inquire Within \n\nAccepts Cash, Checks, Major Credit Cards & Venmo

Serving Williamstown, PA and surrounding areas
In business since 2017
Free estimates
Credit card accepted
"Terry does a thorough inspection and has a great write up with extensive photos and details. He is very responsive to all requests. I highly recommend him!"

Serving Williamstown, PA and surrounding areas
In business since 2020
Free estimates
Emergency services offered
"Alan explained what he was going to do prior to appointment and day of and provided a very detailed report. The report was received the very next morning (early in the AM) and covered the entire home which was very helpful to see what areas needed professional attention (GC/electric/plumbing) . I definitely recommend using MCJ for your home inspection needs!"
From average costs to expert advice, get all the answers you need to get your job done.

Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.

The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.

Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.

You need to protect your home from radon, but what does a radon mitigation system look like? Check out this radon mitigation system diagram to learn how it works.

If you’re looking to buy a house, a home inspection can uncover hidden hazards that could pose a health risk to your household. Here’s what to know.

Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.