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Find Mold & toxic material testers in Dover

Wilbur Hull Nano Cleaning Solutions, LLC
4.9(
14
)

Serving Dover, PA and surrounding areas

Angi Approved

In business since 2015

Free estimates

Warranties offered

"Will (owner) was very prompt in responding to my questions. I decided to proceed directly to treatment (skip testing) due to a prior mold problem in basement. Because he had an opening in his schedule that week, I decided to take care of the treatment right away. His team was very polite and professional and answered all of my questions. It took only about an hour to treat my entire house. Very happy with the service I received."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Response time12 hrs
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for The Radon Bros LLC
The Radon Bros LLC
4.7(
13
)

Serving Dover, PA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"We had our radon fan replaced by Radon Bros in January 2025. From the beginning, the new fan was noticeably louder than the previous one. At that time, the technician advised us that the increased noise was due to the fan being stronger than our prior unit. Over time, the fan became increasingly louder and ultimately stopped working in early December 2025. When a technician returned to replace the fan, we were informed that the fan originally installed was defective and that Radon Bros had stopped using that manufacturer due to known issues. Despite this, we were charged a $99 labor fee for the replacement. We do not understand why we were responsible for this charge when the failure was due to a defective fan that your company was already aware of and no longer installs. We felt we had no choice but to pay the $99 in order to have our radon mitigation system restored and functioning properly. "
Copper vent stack
Fan cover
Typical exterior
Typical exterior
Crawl space seal

+15

Response time1 day
Response rate93%
189 neighbors recently requested a quote
Avatar for All Dry Services of Greater Harrisburg
All Dry Services of Greater Harrisburg
5.0(
4
)

Serving Dover, PA and surrounding areas

Angi Approved

In business since 2018

Free estimates

Emergency services offered

"The team at All dry were awesome from the first call out, which was of course a Sunday evening, till the cleanup was complete. They did a very Thorough cleanup and help me deal with my insurance company. I would highly recommend them for any household restoration need"
Mechanicsburg Job
Harrisburg job
Harrisburg Job After
Equipment monitoring
equipment monitoring

+1

Response time6 hrs
Response rate99%
18 neighbors recently requested a quote
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FAQs for mold & toxic material test projects in Dover, PA

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Dover, PA homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.