Now booking same-day appointments
Same-Day & Next-Day Backflow Testing Across North Texas
Licensed, insured, and trusted by DFW homeowners, property managers, and businesses since 2015. We test, repair, and file your report with the city — fast.
Request service online
Fill out one short form and our office will confirm your appointment.
- Same-day & next-day slots
- Reports filed with your city
- State-licensed technicians
Prefer to talk? Call or text (214) 587-4616
Our services
Full-service backflow testing, including Fireline Backflow Testing
Whether you got a city notice or you manage a portfolio of properties, we handle it end to end.
Residential Backflow Testing
Annual irrigation backflow tests for homeowners, with reports filed directly to your city.
Learn moreCommercial Backflow Testing
Compliance testing for restaurants, retail, medical, office, and industrial properties.
Learn moreIrrigation Backflow Testing
Required annual testing for properties with irrigation systems across DFW.
Learn moreWhy Next Day
Built for speed. Trusted for service.
Fastest turnaround in DFW
Same-day and next-day appointments when you're against a city deadline.
Fully licensed & insured
Texas-licensed, background-checked, fully insured technicians on every job.
We file with your city
Test report submitted directly to your water authority — you don't lift a finger.
A+ customer service
Real reviews from real DFW homeowners and property managers since 2015.
About Next Day
North Texas's trusted backflow specialists since 2015
Founded by Israel Lambert, Next Day Backflow Testing has grown into one of the largest backflow testing operations in North Texas — built on a simple promise: show up fast, do it right, and handle the paperwork.
Our team of state-licensed, background-checked technicians serves homeowners, property managers, and commercial clients from a base in Allen, TX. We're founded on principles of integrity, hard work, and treating every customer like a neighbor.
"Whatever you do, work at it with all your heart, as working for the Lord, not for human masters."
— Colossians 3:23
A faith-driven, family-led North Texas business.
Where we work
Serving every corner of North Texas
We have dedicated technicians working near the cities we serve, so we can reach your property quickly. Tap a map pin for local details and scheduling.
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Service area
Proudly serving all of North Texas
Choose your county to browse every city we serve in that area.
Real reviews, real DFW customers
Trusted by businesses and neighbors across North Texas
"Tim was an absolute pleasure to work with today. He provided truly amazing customer service with a smile and got everything filed with the city the same afternoon."
"Your company was a pleasure to work with. Jake is a credit to your team — professional, on time, and explained everything in plain English."
"Terrific service! Really impressed with the whole crew. Eric does a fantastic job and I won't use anyone else for our annual test."
"Your tech was efficient, knowledgeable, and very courteous. Booked in the morning, done the next day, report filed without me lifting a finger."
Frequently asked questions
* Base price is subject to change according to city licensing requirements and quantity of devices.
Don't wait for compliance deadlines.
Schedule your test today — or call us right now.