Commercial Drain Cleaning
Kitchen lines, restroom groups, floor drains and mains. Cleared properly and, where it keeps recurring, inspected to find out why.
- Kitchen & Grease Lines
- Restroom Groups
- Floor Drains & Mains
- Recurrence Investigated
Drains, Water Heaters & Gas — Licensed Texas Plumbers
Commercial Plumbing
in Longview, TX
A blocked restroom closes a floor. A blocked kitchen line closes a restaurant. Commercial plumbing failures are almost never about comfort — they are about whether the building can be occupied and whether you can keep trading — which is why the response and the scheduling matter as much as the repair.
- Drains, Waste & Vent
- Commercial Water Heaters
- Gas Piping & Fixtures
- 24/7 Emergency Response
Napps Plumbing — Longview & East Texas since 1957
What We Do
Commercial Plumbing Services
Restaurants, offices, retail, churches and light industrial across East Texas. Supply, waste, gas and the drain work that decides whether a room stays in service.
Camera Inspection
Where a commercial line blocks repeatedly, a camera answers whether it is grease, roots, a bellied section or a break — before anybody digs.
- Cause Identified
- Depth & Location Marked
- Evidence Recorded
- Repair Scoped Properly
Hydro Jetting
For grease-loaded commercial kitchen lines, jetting scours the pipe wall rather than punching a hole through the blockage.
- Grease Line Restoration
- Full-Diameter Cleaning
- Longer Intervals Between Calls
- Camera Verified
Commercial Water Heaters
Repair and replacement of commercial storage and tankless equipment, sized for actual demand rather than the unit that happened to be there.
- Repair & Replacement
- Sized for Real Demand
- Storage & Tankless
- Scheduled Around Trading
Repairs & Fixtures
Supply and waste repairs, commercial fixtures, flush valves, backflow-related work and the leaks that appear inside walls and ceilings.
- Supply & Waste Repair
- Commercial Fixtures
- Leak Location
- Restroom Groups
Gas Piping
Commercial gas line installation and repair for kitchens, heating equipment and process use, tested rather than assumed.
- Installation & Repair
- Kitchen Equipment
- Pressure Tested
- Licensed & Insured
What Is Different
Commercial Plumbing Is a Scheduling Problem Too
The pipework is larger and the usage is heavier, but the thing that actually distinguishes commercial work is that the building has to keep operating.
Grease is the defining problem in commercial kitchens
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Restaurant waste lines fail on grease more than anything else, and they fail predictably. Grease leaves the sink warm and liquid, cools in the line, and coats the pipe wall until the effective diameter is a fraction of the actual one. Cabling punches a hole through it and buys weeks; jetting scours the wall and buys months or years. If a kitchen line is being cabled every few weeks, the answer is not more frequent cabling.
Hydro Jetting →
Recurring blockages deserve a camera, not a subscription
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A commercial line that blocks repeatedly at the same interval is telling you something structural — a bellied section holding water, root intrusion, a partial collapse or a fitting that was never right. Clearing it on a schedule without ever looking turns a repairable fault into an annuity. We would rather find the cause, show you the footage and scope a real repair.
Camera Inspection →
Water heating sized for the building, not for the last unit
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Commercial hot water demand changes with use — a kitchen added, a restroom group extended, occupancy grown. Replacing a failed water heater with the same specification repeats a decision somebody made under different conditions. We look at actual demand and recovery requirements, because running out of hot water in a commercial kitchen is an operational failure rather than an inconvenience.
Water Heater Installation →
The trades boundary, and why one contractor helps
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Plenty of commercial building problems sit between plumbing and mechanical — condensate lines, make-up water, gas supply to heating equipment, drains serving refrigeration. Where those are handled by different companies, a surprising amount of time goes into establishing responsibility. We hold both a Texas plumbing licence and a Texas HVAC licence, so the fix happens rather than the discussion.
Commercial HVAC →Common Commercial Plumbing Problems
Indicative. The inspection confirms it.
| Symptom | Frequent Cause | Usual Response |
|---|---|---|
| Kitchen line blocking repeatedly | Grease accumulation on pipe wall | Jetting, then camera and interval plan |
| Multiple fixtures backing up together | Main line blockage | Clear main, camera to find why |
| Restroom group slow | Vent or branch line issue | Locate and clear, verify venting |
| Running out of hot water | Undersized or failing water heater | Assess real demand before replacing |
| Water staining in a ceiling | Supply leak or condensate line | Locate before opening the ceiling |
| Sewer odour indoors | Dry trap, vent fault or line break | Trace source rather than mask it |
📅 Call 903-758-6482
Or call 903-758-6482 — 24/7
How It Works
How Commercial Plumbing Work Runs
Answered quickly, scoped honestly, scheduled so the building keeps operating.
1
Call Answered and Prioritised
A closed restroom or a kitchen that cannot trade goes ahead of routine work, at any hour.
2
Diagnosis, Not Assumption
Where a fault keeps recurring we find out why rather than clearing it again and leaving.
3
Written Scope and Price
What is being done, what it costs, and what we would recommend deferring. Agreed before work starts.
4
Completed and Verified
Function confirmed, area left clean, and anything we noticed that will need attention flagged for your planning.
When to Call
Commercial Plumbing Problems to Attend Early
Most commercial plumbing emergencies were a slow drain a fortnight earlier.
A drain that has become slow
Slow is the warning; blocked is the closure. Attending it while it is still slow is dramatically cheaper.
The same line blocking repeatedly
Something structural or a grease problem that cabling will never solve. Worth a camera rather than another visit.
Sewer odour in the building
A dry trap, a venting fault or a broken line. Never worth masking, because the causes range from trivial to serious.
Damp or staining in a ceiling or wall
A concealed leak that will keep going until it is found. Locating it first avoids opening the wrong thing.
Hot water running out during service
Usually undersized capacity or a failing unit. In a kitchen this is an operational problem, not a comfort one.
Gurgling from fixtures when others are used
A venting problem or a partial main line blockage developing. Both get worse.
What We Establish Before Quoting
Whether the cause is grease, roots or structure
Because the correct repair differs completely, and guessing is expensive on a commercial line.
Line routing, depth and access
Established before any excavation is discussed, so the scope and price are real.
Actual hot water demand
Assessed against how the building is used now rather than the specification of the failed unit.
How the work affects trading
What can be done during hours, what needs a night, and what the building can tolerate.
Why Napps?
Why East Texas Businesses Use Napps for Plumbing
Licensed plumbers, 24/7 response, and one contractor for plumbing and mechanical both.
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Licensed Texas Plumbers, Insured Commercial plumbing done by licensed plumbers rather than general maintenance staff.
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Plumbing and HVAC Licences Both Held The problems that sit between trades get fixed rather than debated between two contractors.
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Scheduled Around Your Operation Nights, early mornings and weekends where daytime work would close a room or a kitchen.
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Local Since 1957 The same Longview family business East Texas has called for more than sixty years.
Licensed Texas Plumbers
TACLA 72668C (HVAC)
24/7 Emergency Service
ACCA Member
Since 1957
65+
Years Serving East TX
24/7
Emergency Availability
★ 4.8
From 229 Google Reviews
2
TX Licences — HVAC & Plumbing
📅 Call 903-758-6482
Or call 903-758-6482 — available 24/7
What Longview Says
Real Reviews from Real Napps Customers
4.8 out of 5 · 229 Google reviews
These come straight from our Google Business Profile — unedited, and updated automatically as new reviews come in.
Common Questions
Commercial Plumbing Questions
What East Texas business owners and facility managers ask us.
Do you offer 24/7 commercial plumbing in Longview?
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Yes. The line is answered by a person at any hour, and commercial calls where a restroom is out of service or a kitchen cannot trade are prioritised accordingly. We dispatch from Longview and cover East Texas from here.
Why does our restaurant kitchen line keep blocking?
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Almost always grease. It leaves the sink warm and liquid, cools in the line and coats the pipe wall until the usable diameter is a fraction of the real one. Cabling punches a hole through that and buys a few weeks. Jetting scours the wall back to full diameter and buys far longer. If you are being cabled monthly, the answer is a different method rather than a shorter interval.
Can you work outside our business hours?
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Yes, and for most commercial customers that is the normal arrangement. Drain work in a restaurant before opening, or restroom work in an office overnight, usually costs less overall than closing the space during trading hours.
Do you handle commercial water heaters?
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Yes, both repair and replacement, including tankless. The important part is sizing for how the building is actually used now rather than matching whatever unit failed, because commercial hot water demand changes as buildings change.
Can you camera inspect a commercial line before we dig?
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Yes, and we would recommend it on any line that has blocked more than once. It establishes whether the cause is grease, roots, a bellied section or a break, and it locates and marks the problem, which turns a speculative excavation into a scoped repair.
Do you do commercial gas piping?
▾
Yes — installation and repair for kitchen equipment, heating appliances and process use, pressure tested rather than assumed sound. Gas work is licensed work and we treat it accordingly.
The mechanical side, refrigeration and the wider commercial offering.
Commercial Plumbing Problem? Call 903-758-6482.
Licensed Texas plumbers, 24/7 response, and work scheduled so your building keeps operating.
Get In Touch
Request Commercial Plumbing Service
Tell us the building type and what has stopped working. If a room or kitchen is out of service, call rather than waiting on a form.
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24/7 Emergency Line 903-758-6482
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Office Location 1003 West Cotton St., Longview, TX 75604
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Emergency Service Available 24 hours a day, 7 days a week
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Financing Available Financing available on commercial water heater replacement