Open 24/7 · Austin, TX

Commercial Plumbing in Austin, TX

Commercial plumbing in Austin is about keeping a business open: restrooms, kitchens, water heaters and drains that cannot wait. Call any hour. Same-day service is available.

Emergency? Call now, 24/7(737) 717-0737

Say what kind of businessRestaurant, office, shop, clinic or multi-tenant.
Say what is downRestroom, kitchen, heater, drain or leak.
Get it runningStop damage first, then repair.

What we help with

Commercial plumbing in Austin: related work for your building

Business plumbing problems often overlap with these services.

Backflow testing in Austin

Protecting the public water supply from your system.

Backflow testing in Austin details →

Drain cleaning in Austin

Kitchen lines, floor drains and restroom drains.

Drain cleaning in Austin details →

Emergency plumber in Austin

When a pipe lets go during business hours.

Emergency plumber in Austin details →

Hydro jetting

High-pressure cleaning for grease and heavy buildup.

Hydro jetting details →

Start here

Signs you need commercial plumbing in Austin

A business cannot wait for a callback. Match your situation.

Restaurant floor drains backing up mid-serviceGrease and food solids have narrowed a line that carries kitchen waste.Kitchen Restroom toilets overflowing or running constantlyHeavy-use fixtures wear faster and flush valves go out.Restrooms No hot water for staff or customersA commercial water heater is down or undersized.Heater Water stains on ceiling tilesA line above the ceiling is leaking, possibly feeding mold.Ceiling Low pressure on upper floorsA failing valve, scale in lines or a pressure problem at the building.Pressure A tenant reports a leak and the unit below is wetWater moves through floors. Isolate and call.Multi-tenant Ice machine, dishwasher or coffee equipment scaling upMineral buildup clogs lines and shortens equipment life.Equipment Backflow device failed its test or looks damagedProtects the public water supply from contamination.Backflow

Why call us

Why one number suits a business with a plumbing problem

Downtime costs sales and goodwill. Calls should be short and straight.

Open all hoursRestaurants and clinics run late. So does the phone.
Same-day service is availableSay you are a business and say what is down.
Every plumbing job on one lineWater, drains, heaters, gas and fixtures.
A person answersNo form to fill in during a dinner rush.
Plain triageYou are told what to isolate while you wait.

We vs others

Commercial plumbing in Austin versus waiting for a maintenance contractor

Some buildings have a maintenance contract. Many do not, and need a number to call.

	UsOnion Creek Plumbing	vsMany other plumbing companies
Availability	Open 24 hoursAfter-hours leaks get the same answer as noon ones.	Office hours with an after-hours queue
Reaching someone	A person asks what is downRestroom, kitchen, heater or main line.	A ticket and a wait
How soon	Same-day service is availableTell the dispatcher it is a business.	Scheduled by priority list
Jobs handled	Fixtures, drains, heaters, water lines, gas linesResidential and commercial buildings.	One trade only
Local awareness	Knows Austin Water draws from the Colorado River through Lake Travis and Lake AustinEquipment sees that water daily.	Treats all water as the same
Price clarity	This page explains what moves the price. Ask about pricing when you call.Ask before work begins.	A bill that arrives after the work

Based on what is typical. Individual companies vary.

How it works

How a commercial plumbing call in Austin works

The call is built for a person with a business to run.

Give the building type
And whether you own, lease or manage it.
Describe the failure
What is down, what is wet, what is closed.
Isolate and stabilize
Valves are closed so work and customers can continue.
Repair and report
The fix is made and a short note says what failed.

Pricing

What moves the price of commercial plumbing in Austin

Commercial work scales with the building, not only the problem.

Size of the system

Larger buildings have longer lines and more fixtures. Ask about pricing when you call.

Equipment involved

A commercial heater, floor drain or flush valve each has its own parts.

Access during operating hours

Working around customers or after close changes the plan.

Urgency

Stopping a flood differs from planned maintenance.

Shared or private lines

Tenant, landlord and building lines are fixed by different parties.

Have this ready for the call

Building type and your role: owner, tenant or manager
What is closed or at risk right now
Where the main shutoff is and who has the key
Any floors or units wet below the leak

Ask about pricing when you call.

Call now, 24/7(737) 717-0737

By business

What commercial plumbing in Austin means for different kinds of buildings

Different buildings, different weak points.
Business	Common plumbing pressure	Typical first call
Restaurant or cafe	Grease lines, floor drains, hand sinks, water heater	Drain backing up in the kitchen
Office building	Restroom fixtures, shared risers, heater	Running toilets, ceiling stains
Retail shop	Restroom, mop sink, small heater	Leak at the break room sink
Clinic or salon	Hot water demand, treatment sinks, floor drains	No hot water
Multi-tenant property	Shared stacks, risers, meters	Water in the unit below
Warehouse or shop	Floor drains, restroom, hose bibs	Slow floor drain

Buildings differ widely, and no two plumbing systems match. The call starts by learning which kind you have. For restaurants, hydro jetting is often the tool of choice for grease, and drain cleaning in Austin covers smaller blockages.

Heavy-use fixtures

Restrooms and commercial fixtures: why they fail faster

A toilet used all day wears like a car in traffic

A home toilet flushes a handful of times a day. A restroom in a shop or office can flush dozens, and that wear shows. Flapper seals soften, fill valves stick and handles loosen. Many commercial buildings use flushometer valves, which release a burst of water directly from the supply line and have their own diaphragms and seals that wear. A toilet that runs constantly in a business can waste a lot of water through the meter before anyone notices.

A small program of checks pays off: lift a tank lid or listen to each flushometer weekly, and report a fixture that sticks, drips or lingers. Our toilet repair in Austin page covers the home version of the same faults. For a leak you cannot see, leak detection in Austin starts with the meter test.

Restroom checks

Weekly walk-throughEvery restroom, every fixture, once a week.
Listen for hissingA faint hiss after flushing means a seal is leaking.
Watch for slow flushWeak refill or wet floors.
Check supply stopsClosed and dry, no mineral crust.
Log what you findDates help the plumber see patterns.

A simple routine for any shared restroom.

Water and equipment

How Austin Water’s hardness affects commercial equipment

Ice machines, dishwashers and coffee brewers drink scale

Austin Water reported 2025 hardness between 4.1 and 7.4 grains per gallon, an average near 5.4, from Colorado River water drawn through Lake Travis and Lake Austin. That is a system-wide range, so check your bill or ask your water supplier for your address. At moderate hardness, minerals build up on heating elements, in spray arms and in ice machine evaporators, which raises repair frequency and shortens equipment life.

The usual remedies are in-line filtration on equipment lines, scale-reducing cartridges, and scheduled descaling. A water heater serving a kitchen or salon is especially exposed, because it runs hard every day. See water filtration in Austin, the hard water guide and water heater repair in Austin. Austin Water has also noted that some galvanized service lines were flagged and owners notified; a building owner who received a letter should keep it on file.

Scale and equipment

Equipment	What scale does	What helps
Ice machine	Clogs water lines and coats the plate	Filter cartridge, scheduled descaling
Dishwasher	Spots glassware, clogs spray arms	Rinse aid, filter
Coffee brewer	Coats the heating element	Scale filter, descaling
Water heater	Insulates elements, builds sediment	Annual flush, treatment
Steam equipment	Crusts valves	Softened feed water

Typical effects on commercial equipment.

Tenants and owners

Tenant or landlord: who handles commercial plumbing in Austin

The lease says who calls, and the pipe says who pays

In a leased space, the lease often divides plumbing between tenant and landlord. Fixtures inside the suite are commonly the tenant’s; risers, shared stacks and the building’s water heater may belong to the owner. The lease and the property manager are the authority. The plumber can say where a fault sits, such as a clogged branch in your suite or a shared stack, and what to tell the manager.

In an emergency, stopping the water comes first, and the notice to the owner or manager follows immediately in writing. For a leak that has run into a unit below, note the time and photograph the damage. A multi-tenant owner who wants regular attention to risers and shutoffs can use plumbing repair and pipe repair as follow-ups after the call.

Typical split

Item	Often handled by
Fixtures inside a leased suite	Tenant
Shared stacks and risers	Owner or manager
Building water heater	Owner or manager
Tenant’s own water heater	Tenant
Meter and supplier lines	Utility, up to the meter
Backflow device	Per the lease; test is recurring

Check the lease; every building differs.

Staying open

Keeping a business open through a plumbing failure

Isolate the zone
Close the valve to the affected area, not the whole building.
Barricade wet floors
Slips cost more than the leak.
Move stock and records
Off the floor and away from the leak.
Tell staff what to say
A short note to customers about the closed restroom.
Photograph and log
Time, place and what you did.
Plan the repair window
Ask whether it can be done after close; see the emergency plumber in Austin page.

Prevention

A maintenance rhythm that keeps commercial plumbing in Austin out of the emergency column

A calendar that costs little time.
How often	What to do	What it catches
Weekly	Walk every restroom and listen for running or hissing fixtures	Worn flappers, flush valve leaks
Monthly	Read the water meter after close and again before opening	Overnight leaks
Quarterly	Run water in seldom-used floor drains and mop sinks	Dry traps and sewer odors
Twice a year	Descale ice machines and coffee equipment	Mineral buildup
Yearly	Flush the water heater and inspect valves and drain pans	Sediment, slow leaks
On a schedule set by your supplier	Have backflow devices tested	Failed protection devices

None of this needs special tools. The overnight meter check is the single most useful habit, because a business is empty and still at night, so any movement is a leak. If the reading changes, read the steps in how to find a water leak in your house, which applies equally to a shop, then call. A short record of dates and readings makes the plumber’s first question easy to answer.

Questions

Commercial plumbing in Austin: common questions

What counts as commercial plumbing in Austin?

Plumbing work in non-residential buildings: restaurants, offices, shops, clinics and multi-tenant properties. The pipes are similar, but fixtures, loads and hours of use are heavier.

Can you come after hours or on weekends?

Yes. The line is open 24 hours a day, every day, and same-day service is available. Businesses can request work before opening or after closing when the problem allows.

How much does commercial plumbing cost?

It depends on the size of the system, the equipment, how easy it is to reach and how urgent it is. Ask about pricing when you call and describe the building.

Why do commercial jobs cost more than residential ones?

Larger systems, heavier equipment and the need to work around customers or tenants all add time. Ask about pricing when you call and say what you hope to schedule.

My restaurant drain keeps backing up. What now?

Grease and food solids narrow the line over time. A cable or jetter clears it, and a camera shows whether a defect is catching debris. Stop using the affected sinks and call.

Who is responsible for a leak in a shared building?

It depends on the lease and where the leak is. Suite fixtures are often the tenant’s; stacks and risers are often the owner’s. Report in writing and let the plumber say where it sits.

Is backflow testing something I need?

Many commercial properties have backflow devices that need periodic testing. Ask your water supplier what applies to your building. Our backflow testing page for Austin explains the basics.

What should I do if the whole building has no water?

Check if neighbors are affected, since it may be a utility outage. If not, check the main valve and the meter. If the valve is open and the meter is still, call.

What is a flushometer valve?

A valve that sends a measured burst of water from the supply line to the bowl. It has diaphragms and seals that wear. A hissing or weak flush points to a worn part.

Does hard water affect my equipment?

It can. Austin Water’s 2025 range of 4.1 to 7.4 grains per gallon leaves scale on ice machines, dishwashers and heaters. Your address may differ, so check your bill.

Do you handle commercial water heaters?

All plumbing jobs go through one number, including heaters. Tell the dispatcher the size of the unit, its fuel type and what symptom you have.

How do I reduce plumbing downtime?

Know where your shutoffs are, test fixtures weekly, descale equipment and report small leaks quickly. A planned repair is cheaper in disruption than an emergency one.

Guides

Guides for building owners and managers

Plumbing down at your Austin business?

Call any hour for commercial plumbing in Austin. A person answers, and same-day service is available.