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Verified Reviews for Radon Detection And Reduction pros in Startup, WA
*The Angi rating for Radon Detection And Reduction companies in Startup, WA 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 Startup, WA 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 October 25, 2025
Find Radon detection and reduction specialists in Startup
UP & D PAINTING, LLC
UP & D PAINTING, LLC
With over 25 years of experience, UP & D Painting are wall specialists, we specialize in interior and exterior painting and drywall repairs. We also do water damage repairs as well.
"Tracy is a pro! He was a hard worker, fast, and did a beautiful job on my repair."
Beth W on April 2022
With over 25 years of experience, UP & D Painting are wall specialists, we specialize in interior and exterior painting and drywall repairs. We also do water damage repairs as well.
"Tracy is a pro! He was a hard worker, fast, and did a beautiful job on my repair."
Beth W on April 2022

Bello Home Solutions LLC
Bello Home Solutions LLC
Bello possesses over a decade of experience within the construction industry, contributing to a multitude of projects spanning King and Snohomish Counties. As a Certified Project Manager and a Certified Carpenter, Bello specializes in home improvements, with a focus on kitchen and bathroom remodeling. The paramount considerations in every undertaking are dedicated to prioritizing your budget, time, and specific needs. In June 2022, Bello Home Solutions LLC underwent a strategic business restructure, duly registering with the Department of Labor & Industries to enhance capabilities for handling larger-scale projects. We are fully vested and prepared to deliver exceptional results. We eagerly anticipate the opportunity to collaborate with you. Please do not hesitate to contact us; your project is of utmost importance to us.
"I can't say enough good things about Yariel. We have used different contractors for remodeling condos for sale, but I will only use Yariel Bello going forward. He is detail conscious, creative with selecting products, and incredibly efficient. He finished an extensive remodel early, with everything completed beyond my expectations. His work included full bathroom remodel, painting, baseboards, doors, electrical, kitchen appliances, sinks, countertops, plumbing. If you are looking for someone to get a condo ready for sale, or to move in, look no further than Bello Home Solutions."
Mark C on February 2025
Bello possesses over a decade of experience within the construction industry, contributing to a multitude of projects spanning King and Snohomish Counties. As a Certified Project Manager and a Certified Carpenter, Bello specializes in home improvements, with a focus on kitchen and bathroom remodeling. The paramount considerations in every undertaking are dedicated to prioritizing your budget, time, and specific needs. In June 2022, Bello Home Solutions LLC underwent a strategic business restructure, duly registering with the Department of Labor & Industries to enhance capabilities for handling larger-scale projects. We are fully vested and prepared to deliver exceptional results. We eagerly anticipate the opportunity to collaborate with you. Please do not hesitate to contact us; your project is of utmost importance to us.
"I can't say enough good things about Yariel. We have used different contractors for remodeling condos for sale, but I will only use Yariel Bello going forward. He is detail conscious, creative with selecting products, and incredibly efficient. He finished an extensive remodel early, with everything completed beyond my expectations. His work included full bathroom remodel, painting, baseboards, doors, electrical, kitchen appliances, sinks, countertops, plumbing. If you are looking for someone to get a condo ready for sale, or to move in, look no further than Bello Home Solutions."
Mark C on February 2025

Rainbow International of Bothell
Rainbow International of Bothell
As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
"There is no better company than Rainbow for mitigation services. Professional, honest, kind and so so knowledgeable. I own an insurance agency so while I was thrilled to use their services on my own home, I refer them out to every clients claim that I have…water, smoke, fire. There is simply none better!!"
Sally P on December 2021
As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
"There is no better company than Rainbow for mitigation services. Professional, honest, kind and so so knowledgeable. I own an insurance agency so while I was thrilled to use their services on my own home, I refer them out to every clients claim that I have…water, smoke, fire. There is simply none better!!"
Sally P on December 2021

National Property Inspections
National Property Inspections
National Property Inspections prides itself on the quality of inspections provided. We inspect both residential and commercial properties. We've built an excellent reputation for customer satisfaction by providing thorough inspections in a timely manner, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!
"James inspected a newly installed $50k roof at my mom’s house. He had excellent attention to detail and identified issues that were not seen by another objective inspector. He was extremely responsive to texts and phone calls and offered us guidance on how to address the issues. He also charged $175 whereas the other inspector charged $425 for the same job and didn’t identify any issues. Highly recommend!"
Simina P on February 2018
National Property Inspections prides itself on the quality of inspections provided. We inspect both residential and commercial properties. We've built an excellent reputation for customer satisfaction by providing thorough inspections in a timely manner, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!
"James inspected a newly installed $50k roof at my mom’s house. He had excellent attention to detail and identified issues that were not seen by another objective inspector. He was extremely responsive to texts and phone calls and offered us guidance on how to address the issues. He also charged $175 whereas the other inspector charged $425 for the same job and didn’t identify any issues. Highly recommend!"
Simina P on February 2018
ProCore Inspections, Inc
ProCore Inspections, Inc
ProCore Inspections, Inc. is dedicated to helping our clients make informed and educated real-estate buying decisions. Through our detailed and thorough inspections we will outline areas of concerns and opportunities for added safety.
ProCore Inspections, Inc. is dedicated to helping our clients make informed and educated real-estate buying decisions. Through our detailed and thorough inspections we will outline areas of concerns and opportunities for added safety.
Foamworks LLC
Foamworks LLC
High Performance Spray Foam Insulation and Fast Set Polyurea Coatings Service
High Performance Spray Foam Insulation and Fast Set Polyurea Coatings Service
MC Home Inspections
MC Home Inspections
We are a small group of inspectors that will guarantee a 48 hr turn around with on site reports. We guarantee complete satisfaction in a report well done. We accept, check, cash, cc and paypal for those who wish to prepay.
We are a small group of inspectors that will guarantee a 48 hr turn around with on site reports. We guarantee complete satisfaction in a report well done. We accept, check, cash, cc and paypal for those who wish to prepay.
Advanced Inspection Services Inc.
Advanced Inspection Services Inc.
Professional Home and Commercial Building Inspector Structural Pest Certified, IAQ, Mold Screening Sampling,10 yrs in business 30 + years in Commercial and Residential Construction including Roofing, Additional ECU's include Building Performance, HVAC Design,Energy Performance, Moisture Issues, Ventilation, Associate in Structural Design, Blower Door testing and energy audits available. WE DO NOT USE Subcontractors your Inspection will performed by the owner Lawrence Can perform upto three inspections daily when necessary and has turn over time not more than 24hrs, report can be delivered on site if needed however more time will be necessary at the inspection. From The Roof To The Crawlspace We've got You Covered. Call for A quote today!! 253-376-3634
Professional Home and Commercial Building Inspector Structural Pest Certified, IAQ, Mold Screening Sampling,10 yrs in business 30 + years in Commercial and Residential Construction including Roofing, Additional ECU's include Building Performance, HVAC Design,Energy Performance, Moisture Issues, Ventilation, Associate in Structural Design, Blower Door testing and energy audits available. WE DO NOT USE Subcontractors your Inspection will performed by the owner Lawrence Can perform upto three inspections daily when necessary and has turn over time not more than 24hrs, report can be delivered on site if needed however more time will be necessary at the inspection. From The Roof To The Crawlspace We've got You Covered. Call for A quote today!! 253-376-3634
Masters Roofing
Masters Roofing
Masters Roofing installs composition shingle, cedar shake shingle, metal roofing and low slope roofing on new and existing residential and commercial buildings in the Bellevue area. We are experts at roof removal and our staff will provide crucial advice on repairing or replacing the roof on your building. Our roofing expertise consists of residential new construction, replacement roofing, and roofing repairs - large and small, as well as a growing commercial roofing division. We encourage you to contact our existing clients and ask about their experience working with Masters. Our Promise: Exceptional product & service, on time, at the right price.
Masters Roofing installs composition shingle, cedar shake shingle, metal roofing and low slope roofing on new and existing residential and commercial buildings in the Bellevue area. We are experts at roof removal and our staff will provide crucial advice on repairing or replacing the roof on your building. Our roofing expertise consists of residential new construction, replacement roofing, and roofing repairs - large and small, as well as a growing commercial roofing division. We encourage you to contact our existing clients and ask about their experience working with Masters. Our Promise: Exceptional product & service, on time, at the right price.
The Startup, WA homeowners’ guide to radon detection and reduction services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the average indoor air quality testing cost, what impacts pricing, and how to budget for healthier air in your home.
•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.

Want to learn how to master DIY radon mitigation? We have a step-by-step guide on how to complete this challenging project on your own.

What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.

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.

How long does a radon fan last? Depending on the quality of the fan, usage, and maintenance, a radon fan can last five to ten years.
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