H2O & Backflow Tests LLC
(512) 755-7318 Schedule service
Downtown Austin skyline beside Lady Bird Lake
Austin · Central Texas

Built to protect what flows.

Plumbing, backflow, and private fire water — one licensed team for the infrastructure your property depends on.

Schedule Service Explore Capabilities
Licensed & insured
One accountable team
Service & testing
Residential + Commercial
Call or text
(512) 755-7318
Backflow Testing ◆ Plumbing ◆ Fire Service ◆ Private Hydrants ◆ Underground Fire Lines ◆ Remodeling ◆ Compliance Filing ◆  Backflow Testing ◆ Plumbing ◆ Fire Service ◆ Private Hydrants ◆ Underground Fire Lines ◆ Remodeling ◆ Compliance Filing ◆ 
01
One connected
system

Your water system doesn't work in pieces. Neither do we.

From the meter to the fixture — and from the backflow assembly to the private fire line — H2O sees the complete system. That means sharper diagnosis, fewer handoffs, and work that holds up long after we leave.

Meet H2O →
02
Capabilities

Every critical connection, handled.

Technical fieldwork, clear documentation, and one accountable team from diagnosis through completion.

H2O backflow testing gauge and field equipment
01 Backflow Systems →

Testing, repair, replacement, and compliance filing — done right the first time.
H2O technician servicing plumbing equipment
02 Plumbing →

Diagnosis and repair, from the meter to the fixture.
Private fire hydrant and backflow assembly serviced by H2O
03 Fire Service →

Private hydrants and underground fire lines — located, inspected, maintained, and repaired.
Finished modern bathroom remodeling project
04 Remodeling →

Plumbing rough-in and finish work for spaces worth redoing.
H2O technician in front of service vehicles
Owner-led · Field-first
03 · Why H2O
“The person who answers the call should understand the system — and stand behind the work.”

H2O is built on a licensed, owner-led team: the first direct conversation, technical knowledge on site, and the continuity that keeps a property's water systems handled by people who know them.

1
Accountable team
19+
Central Texas cities served
5★
Rated by customers
Our story →
04
How we work

Clear from the first call.

No mystery invoices. No disappearing act. Just a disciplined path from the first conversation to documented completion.

01 Understand the system We start with the property, the symptoms, the deadline, and any compliance requirements. →
02 Diagnose with context We scope the issue against the whole system — not just the fixture in front of us. →
03 Make the work legible Clear recommendations, defined next steps, and an honest starting price. →
04 Close the loop Repair, retest, reporting, and follow-through — filed and finished. →
05 · Proven in the field

Five stars.
Earned locally.

Real feedback from property owners, managers, and businesses across Central Texas.

5.0 ★★★★★View Google reviews
★★★★★
“This company is the place that you go for a complete (no headaches) experience with a required backflow test. Then the paperwork is submitted to the City of Marble Falls. No fuss, no muss.”
MichaelVerified Google review
0105
Austin skyline
06 · Where we work

Central Texas is our system.

Austin-based, with working knowledge of the cities, utilities, property types, and compliance programs across the region.

Austin Cedar Park Lakeway San Marcos Temple Waco + the routes between them

07 · Before the truck rolls

Clear answers. Up front.

The service, license, property, and local authority all matter. These are the useful starting points.

What services does H2O provide?

H2O provides licensed plumbing, backflow testing, backflow repair and installation, private fire hydrant testing, underground fire-line support, and plumbing-led kitchen, bathroom, and whole-home remodeling.

Is H2O licensed and insured?

Yes. H2O is insured, TCEQ licensed for backflow prevention assembly testing, and performs plumbing work under Texas Master Plumber RMP #43657.

Do you serve residential and commercial properties?

Yes. H2O works with homeowners, HOAs, multifamily communities, property managers, restaurants, offices, retail properties, schools, industrial sites, and other commercial facilities.

What areas do you serve?

H2O is based in Austin and serves a broad Central Texas network including communities along the I-35 corridor and across the Hill Country. Exact coverage depends on the address, service, and current route schedule.

Can H2O file a backflow test with my utility?

H2O supports Austin Water, BSI Online, VEPO, and other applicable local reporting processes. The property address and serving water utility determine the correct filing route.

How do I request service?

Use the scheduling form to send the address, service type, property type, timing, and access notes, or call or text (512) 755-7318 for a direct conversation.

Start here

What does the property need?

Tell us the address, the service, and the timing. We’ll help you make the next move clear.

Schedule ServiceCall (512) 755-7318