O'Connor PlumbingPlumber in Frederick, MD
O'Connor Plumbing is a plumber at 9121 Baltimore Rd, Frederick, MD 21704, rated 4.8 from 681 Google reviews. Open Monday to Friday.
Frederick, MD0 paid placements in any rankingHow we rank
Key facts
| Address | 9121 Baltimore Rd, Frederick, MD 21704Get directions |
|---|---|
| Phone | (301) 540-5050 |
| Website | oconnorplumbing.net |
| Hours | Monday to Friday: 7 AM – 5 PM |
| Google rating | 4.8 from 681 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Plumbingmain tradeGoogle main category
Service area
Serves Frederick and 11 towns within 25 miles: Spring Ridge, Urbana, Ballenger Creek, Walkersville, Green Valley, Linganore, Mount Airy, Damascus, Clarksburg, Germantown and Brunswick.
Based in Frederick, MDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 7 AM – 5 PM |
| Tuesday | 7 AM – 5 PM |
| Wednesday | 7 AM – 5 PM |
| Thursday | 7 AM – 5 PM |
| Friday | 7 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical plumbing prices
| Job | Low | Typical | High |
|---|---|---|---|
| Water heater replacementPer unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | $882 | $1,348 | $1,826 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Questions about O'Connor Plumbing
What are O'Connor Plumbing’s hours?
O'Connor Plumbing is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does O'Connor Plumbing serve?
Serves Frederick and 11 towns within 25 miles: Spring Ridge, Urbana, Ballenger Creek, Walkersville, Green Valley, Linganore, Mount Airy, Damascus, Clarksburg, Germantown and Brunswick. The list is based on the business's location and the usual service radius for plumbing. Confirm your address is covered when you call.
What do Google reviews say about O'Connor Plumbing?
O'Connor Plumbing has a rating of 4.8 from 681 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact O'Connor Plumbing?
Call O'Connor Plumbing on (301) 540-5050. The business is at 9121 Baltimore Rd, Frederick, MD 21704. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
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