Backflow Testing & Installation in Friendswood, TX
TCEQ-certified backflow testers. Annual testing, RPZ repair & replacement, city reports filed on your behalf. Commercial, HOA, irrigation, and pool compliance.
If your Friendswood property has an irrigation system, a pool, a boiler, or any commercial-grade plumbing, Texas plumbing code requires an annual backflow preventer test by a TCEQ-certified tester — and the City of Friendswood actively enforces it. A failed or expired test can mean a water shutoff until compliance is restored. We hold current TCEQ Customer Service Inspector + Backflow Prevention Assembly Tester credentials and file test reports directly with the city on your behalf.
Beyond annual testing, we install, repair, and replace all common commercial-grade backflow assemblies: RPZ (reduced-pressure zone), double-check (DC), pressure-vacuum breaker (PVB), and atmospheric-vacuum breaker (AVB). Residential sewer backwater valves (a different device for storm-surcharge protection) are covered under our hurricane-plumbing-prep service.
When you need backflow testing or installation
- Received a City of Friendswood annual-test reminder letter
- Property has irrigation (sprinklers) — annual test is mandatory
- Pool, hot tub, or spa with a dedicated water supply
- Boiler, closed-loop heating system, or commercial HVAC
- Commercial kitchen, dental office, veterinary, or medical facility
- Fire sprinkler system
- HOA common-area irrigation or pool
- New construction or renovation requiring plumbing permit
- Current backflow preventer is 15+ years old and failing tests
- Any property under boil-water notice recovery
Our Process
The same steps on every job — from a $189 drain clear to a $9,000 whole-house repipe.
- 1
Verify your device
We identify the make, model, and serial of your existing backflow assembly and confirm it matches the City of Friendswood records.
- 2
Test with calibrated gauges
TCEQ-approved differential pressure gauges test all required pressure points. We photograph the test and the device.
- 3
Pass or fail
If it passes: we file the pass report directly with the city — no action needed from you. If it fails: we quote the specific internal part (check valve, relief valve, test cock) that failed and typically repair same-day.
- 4
City filing
All test reports filed with City of Friendswood utility department within 10 business days. You receive a copy for your records.
- 5
Annual reminder
We flag your next test date in our system and reach out 30 days before it is due so you never fall out of compliance.
Your Backflow Testing Appointment, Step by Step
Before we arrive
A licensed dispatcher confirms your address, describes what our tech will do first, and gives you a firm arrival window. For emergencies inside 77546 we hold a 45-minute promise; scheduled backflow testing visits get a 2-hour window.
On the truck
Your assigned Master Plumber arrives in a branded vehicle stocked with common backflow testing parts — Delta, Moen, Kohler, Rheem, Bradford White, Uponor PEX-A — so most jobs finish in one visit without a supply-house trip.
Before work starts
You get a written flat-rate price in your hand covering labor, materials, permits (when required by the City of Friendswood), warranty terms, and cleanup responsibility. You approve in writing before we lift a wrench.
What We Service
What Affects Your Price
We don't publish fake prices to trick you into calling. We do publish the honest factors that drive real cost — so when we hand you a written quote, you know why.
Test type
Residential irrigation PVB test: $89 flat. Commercial RPZ test: $139–$189. Fire DDC: $189–$259. All include city filing.
Device size
Residential 3/4" and 1" assemblies test faster than 2"+ commercial assemblies. Multi-device properties (HOAs with 5+ backflows) get portfolio pricing.
Internal repair
Repair kits run $85–$245 depending on brand and size. Labor usually $89–$149 for the repair itself. Transparent quote before repair starts.
Full replacement
When a 15–20+ year old device fails and parts are discontinued, replacement is cheaper than repair. Full install runs $589–$1,489 depending on size, brand, and freeze enclosure.
Why This Matters in Friendswood, TX
The City of Friendswood actively enforces annual backflow testing — the utility department sends renewal reminders and will shut off water for properties that fall more than 30 days past due. We handle the full compliance process so you never deal with that letter. For HOA common areas (pools, clubhouse irrigation, common-area fire systems), we offer a single annual visit covering every device on the property with consolidated billing to the HOA.
Why Friendswood Homeowners Trust Us for Backflow Testing
Friendswood Plumbing Co. has been serving Friendswood and Greater Houston for 22 years — 487+ verified reviews at a 4.9-star average, Texas Master Plumber License #M-40217, and a 45-minute response inside Friendswood 77546/77549. Every backflow testing job we do carries a written 2-year workmanship warranty and a firm flat-rate price handed to you before we start.
Master Plumber on every backflow testing job
Backflow Testing & Installation is diagnosed and performed by a licensed Texas Master Plumber — never a sub, never a trainee working unsupervised.
Flat-rate written price before we start
You see the full backflow testing price in writing — labor, parts, permits, cleanup — before any work begins. No hourly meter running, no surprise upcharges.
Trucks stocked for backflow testing
TCEQ-certified annual backflow preventer testing, RPZ (reduced-pressure zone) assemblies — Watts, Febco, Zurn-Wilkins, and the common failure points — stocked on our trucks so most backflow testing jobs finish in one visit.
2-year workmanship warranty
Every backflow testing repair carries a 2-year written workmanship warranty, honored by the same crew. Manufacturer warranties pass through on parts.
Related Services
Commercial Plumbing
Restaurants, retail, medical offices, warehouses, property management.
Hurricane Plumbing Prep & Recovery
Backwater valves, main shutoff verification, generator gas lines, water heater elevation, and full post-storm inspection.
General Plumbing Repair
From a dripping faucet to a slow shower drain, our Texas Master Plumbers arrive on time with the parts to solve it today.
Backflow Testing Across Friendswood & Greater Houston
Our backflow testing crews dispatch daily from our Hunters Lane hub in Friendswood — 45-minute response inside Friendswood 77546/77549. We serve the entire Tier 1 corridor along FM 518 and FM 528: Friendswood 77546 and 77549, Pearland, Alvin, Manvel, Webster, and Brookside Village. Extended service reaches Galveston County, south Harris County, north Brazoria County, and Fort Bend County — 39+ cities in total. Every job runs by the same Texas Master Plumber, at the same flat-rate pricing, with the same 2-year written warranty.
Ready for Backflow Testing in Friendswood?
Every backflow testing job we do is priced flat-rate in writing before we start, performed by a Texas Master Plumber (never a sub), and backed by a written 2-year workmanship warranty. If you have an active emergency, skip the form and call — a licensed dispatcher answers on the first ring, 24/7.
Frequently Asked
How much does backflow testing cost in Friendswood?
Residential irrigation PVB test: $89 flat. Commercial RPZ test: $139–$189. Fire sprinkler DDC test: $189–$259. All include City of Friendswood filing within 10 business days.
How often does my backflow preventer need to be tested?
Texas law requires annual testing for any required backflow preventer. The City of Friendswood sends annual reminder letters based on your original install date.
What happens if my backflow test fails?
We quote the specific internal repair needed (usually a check valve or relief valve kit, $85–$245 part plus labor). Most repairs happen the same day. You stay in compliance because the city sees the repair pass report shortly after the fail report.
Do you file the test report with the city for me?
Yes — included in every test. We file the test report with City of Friendswood utility department within 10 business days and send you a copy. You never deal with the paperwork.
My HOA has multiple backflow preventers — do you handle those?
Yes. We offer portfolio pricing for HOA properties with multiple devices (common-area pool, irrigation, clubhouse). One visit, all devices tested, single consolidated invoice to the HOA.
45-minute response inside Friendswood 77546/77549
Backflow Test Due in Friendswood?
TCEQ-certified testing with city filing included. Call (831) 290-4327 to schedule.