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Mark Costlow plumbing & HVAC
Mark Costlow plumbing & HVAC at 407 chancellor st, Johnstown, PA 15904, held a HVAC/Mechanical Contractor license (#PA175085) with the Pennsylvania contractors license board with an expiration date of 07-10-2024. We last verified the license was expired on 05-04-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 125,106 Pennsylvania contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
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Mark Costlow plumbing & HVAC License info
Inactive License
| HIC # | PA175085 |
| Status | Inactive |
| State | Pennsylvania |
- According to the Pennsylvania Office of the Attorney General, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Mark Costlow plumbing & HVAC at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
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Mark was on time, friendly, knew what he was doing, and was reasonably priced. I would highly recommend Mark. He replace my forced air gas furnace and later added the central air unit.