McNamara Plumbing, LLCPlumber in Watertown, SD
McNamara Plumbing, LLC is a plumber at 1507 Grant Dr, Watertown, SD 57201, ranked #6 of 11 plumbers in Watertown and rated 5.0 from 7 Google reviews. Open Monday to Friday.
Watertown, SDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 1507 Grant Dr, Watertown, SD 57201Get directions |
|---|---|
| Phone | (605) 881-0650 |
| Hours | Monday to Friday: 8 AM – 5 PM |
| Google rating | 5.0 from 7 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Plumbingmain tradeGoogle main category
Service area
Based in Watertown, SDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 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.
Compare nearby plumbers
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| McNamara Plumbing, LLC (this business) | — | 54 | 5.0 (7) | — | No | No | |
| Redlinger Bros Plumbing & Heating Co. | #4 | 55 | 4.2 (20) | — | No | No | 2.2 mi |
| Elite Drain and Sewer Cleaning | #5 | 55 | 4.3 (18) | — | No | No | 1.3 mi |
| Andor Inc Taecker Plumbing & Heating | #7 | 51 | 3.9 (30) | — | No | No | 1.4 mi |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
5.0from 7 Google reviews
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Questions about McNamara Plumbing, LLC
How is McNamara Plumbing, LLC ranked in Watertown?
McNamara Plumbing, LLC is ranked #6 of 11 plumbers in Watertown by CR Score, with 54 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.
What are McNamara Plumbing, LLC’s hours?
McNamara Plumbing, LLC is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about McNamara Plumbing, LLC?
McNamara Plumbing, LLC has a rating of 5.0 from 7 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 McNamara Plumbing, LLC?
Call McNamara Plumbing, LLC on (605) 881-0650. The business is at 1507 Grant Dr, Watertown, SD 57201. Ask for a written estimate before any work starts.
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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.