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Avatar for GreenWorks Inspections & Engineering

GreenWorks Inspections & Engineering

4.87(
244
)

GreenWorks Inspections & Engineering

4.87(
244
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

GreenWorks was founded in 2009 in Texas and is a woman owned small business specializing in peace of mind around real estate due diligence. GreenWorks provides Inspections, Structural Engineering and Environmental Testing Services for residential and commercial properties. Those services are geared around identifying deficiencies and potential future issues and our Home Solutions division offers a full process in prioritizing with our clients solutions to repair, renovate and increase performance to their most valuable asset. In August 2020, GreenWorks was awarded the rank of #1200 on the 2020 Inc. 5000 list, the most prestigious ranking of the nation’s fastest-growing private companies following up their 2019 Inc. 5000 ranking of #1595.

"My 11th month home inspection was completed by David Berryman. David demonstrated exceptional professionalism and attention to detail throughout the process. He was thorough in his inspection, making sure every area was checked and documented. David took the time to listen patiently and addressed each question I had. His ability to break down technical details into easy-to-understand language helped me learn more about my home. He also identified a few issues that might have been overlooked. His insights were valuable, and the inspection report was available in a timely manner."

Helen X on November 2025

GreenWorks was founded in 2009 in Texas and is a woman owned small business specializing in peace of mind around real estate due diligence. GreenWorks provides Inspections, Structural Engineering and Environmental Testing Services for residential and commercial properties. Those services are geared around identifying deficiencies and potential future issues and our Home Solutions division offers a full process in prioritizing with our clients solutions to repair, renovate and increase performance to their most valuable asset. In August 2020, GreenWorks was awarded the rank of #1200 on the 2020 Inc. 5000 list, the most prestigious ranking of the nation’s fastest-growing private companies following up their 2019 Inc. 5000 ranking of #1595.

"My 11th month home inspection was completed by David Berryman. David demonstrated exceptional professionalism and attention to detail throughout the process. He was thorough in his inspection, making sure every area was checked and documented. David took the time to listen patiently and addressed each question I had. His ability to break down technical details into easy-to-understand language helped me learn more about my home. He also identified a few issues that might have been overlooked. His insights were valuable, and the inspection report was available in a timely manner."

Helen X on November 2025

Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Radon Detection and Reduction questions, answered by experts

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

Radon testing costs around $450 on average, but you could pay between $150 and $800 for testing, depending on a few factors. The size of your house is one of the most significant cost factors, as your radon professional will have to set up additional tests for homes with larger footprints. The type of test can also have an impact on the cost. Finally, some radon testing companies will include a recommended protocol for radon mitigation, while others might charge $50 to $100 extra.

Short-term tests take 2-7 days, while long-term monitoring may require up to 90 days for accurate results.

Professional radon detection involves placing test kits in the lowest lived-in level of the house for a period, usually 48 hours to several months, followed by lab analysis of collected data.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

The Celeste, TX 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.

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