Limited-Time Savings
Mention the coupon when you book — we'll apply the discount at the end of the job. North Louisiana residents only, one per household, stackable with our veteran-owned & family-operated since 1997 when applicable.
Redeem by phone · (318) 319-0220Save this month
Mention the offer when booking or show the coupon at time of service. We keep it simple — no paper to clip.
$50
OFF
Plumbing · Drain
Clogged sink, slow tub, or main line backup — we'll knock $50 off any residential drain clearing visit.
Cannot be combined with other offers. Valid for residential service calls in North Louisiana. One per household.
Expires July 22, 2026
$100
OFF
Plumbing · Water Heater
Endless hot water, smaller footprint, 20-year equipment life. $100 off any new tankless installation.
Cannot be combined with other offers. Valid for residential service calls in North Louisiana. One per household.
Expires July 22, 2026
10%
OFF
Any Service
New to Mark Johnson & Sons Plumbing? We'll take 10% off your first repair or service call as a welcome to the family.
Cannot be combined with other offers. Valid for residential service calls in North Louisiana. One per household.
Expires July 22, 2026
FREE
Plumbing · Water Heater
Add any plumbing service and we'll flush your water heater at no extra cost — adds years to the tank life.
Cannot be combined with other offers. Valid for residential service calls in North Louisiana. One per household.
Expires July 22, 2026
$75
OFF
Plumbing · Sewer
HD camera walk-through of your main line. Know exactly what's down there before you buy, sell, or dig.
Cannot be combined with other offers. Valid for residential service calls in North Louisiana. One per household.
Expires July 22, 2026
$200
OFF
Plumbing · Water Quality
Tame North Louisiana's hard water. $200 off any whole-home water softener or filtration install — stackable with financing promos.
Cannot be combined with other offers. Valid for residential service calls in North Louisiana. One per household.
Expires July 22, 2026
Ready to save?
Book online or call — we'll lock in the coupon the moment you book.
Available Around the Clock
Burst pipe, water heater out, sewer backup? Real plumbers pick up — no answering machines. Mark Johnson & Sons Plumbing serves North Louisiana any time, day or night.
LA Master Plumbing #1874 · Backflow Cert #28131 · Master Natural Gas Fitter #LMNGF9062 · State Contractors #35794
