About
We are a privately held company in Frederick, MD proudly doing business for 77 years.
O'Connor Plumbing was established in 1949. What started as a small family business has blossomed into one of the most trusted plumbing companies in the D.C. area. Although we have grown much larger and are now able to help more customers than ever before, we are still a family-owned and operated business with the same values that made us successful over 70 years ago.
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Current Hours
- Sun CLOSED
- Mon 7:00 AM - 5:00 PM
- Tue 7:00 AM - 5:00 PM
- Wed 7:00 AM - 5:00 PM
- Thu 7:00 AM - 5:00 PM
- Fri 7:00 AM - 5:00 PM
- Sat CLOSED
-
Sun CLOSED
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Detailed Information
- Location Typeunknown
- Opening Date1949
- Annual Revenue Estimateunknown
- SIC Code show
- Employees250 to 499
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