John H Lange Plumbing and Heating Inc.Plumber in Potomac, MD
John H Lange Plumbing and Heating Inc. is a plumber in Potomac, MD, rated 4.9 from 9 Google reviews. Open 24 hours a day, 7 days a week.
Potomac, MD0 paid placements in any rankingHow we rank
Key facts
| Phone | (703) 536-5060 |
|---|---|
| Hours | Open 24 hours, 7 days a week |
| Google rating | 4.9 from 9 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Plumbingmain tradeGoogle main category
- HVACbusiness name
Service area
Based in Potomac, MDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
- Open 24/7
- Open evenings — no
- Open Saturdays
- Open Sundays
- Emergency service
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.
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
4.9from 9 Google reviews
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Questions about John H Lange Plumbing and Heating Inc.
What are John H Lange Plumbing and Heating Inc.’s hours?
John H Lange Plumbing and Heating Inc. is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about John H Lange Plumbing and Heating Inc.?
John H Lange Plumbing and Heating Inc. has a rating of 4.9 from 9 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 John H Lange Plumbing and Heating Inc.?
Call John H Lange Plumbing and Heating Inc. on (703) 536-5060. Ask for a written estimate before any work starts.
Own John H Lange Plumbing and Heating Inc.? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.