Backflow Testing Services in Longwood, Florida
Finding a reliable backflow testing professional in Longwood, Florida is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 16 backflow testing companies serving Longwood and surrounding communities including Winter Springs, Casselberry, Altamonte Springs.
Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Longwood area.
Most water authorities in Florida require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.
Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Longwood directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.
Data source: Google Maps. Always verify licensing with your local water authority.
16 listed providers

Ready Plumbing & Fire Protection, Inc.
Testing Verified · Longwood, FL · 1 mi
“I found RPFP via Google search and gave them a call after noticing a leak from what I thought was a covered fire sprinkler in the ceiling of my townhome. I provided a brief explanation of what was…”
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Modern Plumbing Industries, Inc.
Winter Springs, FL · 3 mi
“all plumbers assessed my situation and said there was a slab leak. Modern Plumbing came in to give me a quote for a repipe but still wanted to see the site of the leak. it wasnt a slab leak; turned…”
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All Pro Plumbing Services Inc
Testing Verified · Altamonte Springs, FL · 6 mi

Brownie's, A Wind River Company
Testing Verified · Orlando, FL · 9 mi
“We used Brownie’s Plumbing in January to repair a pinhole leak behind our toilet. While they showed up the same day, the repair was pricey and now appears to have caused a rusty leak around the base…”
Read more on GoogleAll Cool Heat Plumbing & General Contractor Inc
Testing Verified · Apopka, FL · 9 mi
Pro-Tech Air Conditioning & Plumbing Service
Testing Verified · Winter Park, FL · 9 mi
“Protech is a a fantastic all around household repair service company. I have been a customer for decades when the company first opened, and they only had the HVAC service. While the company has…”
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Drainage Solutions Inc
Orlando, FL · 10 mi
“This is our third time working with this company. And this last time we called was just as good as the first call we made. Which shows consistency in a company and is what we as customers look for in…”
Read more on GoogleRainaldi Home Services
Orlando, FL · 11 mi
“So yesterday 1/27/2026, having purchased the items needed for my bathroom (from Home Depot- shoutout to them. Wonderful service & so much help) I set about hoping to get it done by myself. It turned…”
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Alpine South Plumbing (ASP Florida LLC)
Orlando, FL · 11 mi
Shamrock Plumbing and Drain Cleaning Inc.
Orlando, FL · 13 mi
“We had a wild thing happen this afternoon with a pipe in our wall and we came home to water everywhere. I called Shamrock after hours. The moment The lady took my call. I felt like we were in pretty…”
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Emerald Plumbing
Orlando, FL · 13 mi
“I recently hired Emerald Plumbing to re-plumb my commercial building with five different units, and I couldn’t be more impressed with their work. From start to finish, the entire experience was…”
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Mercury Plumbing
Testing Verified · Orlando, FL · 14 mi
“This is a long overdue 5 ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ review!!! I highly recommend MECURY PLUMBING without ANY reservations!!! They are AMAZING, KNOWLEDGEABLE, PROFESSIONAL, MASTERS OF THEIR PROFESSION AND…”
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Harvey Baker Plumbing, Inc
Testing Verified · Orlando, FL · 14 mi
“So we have a downstairs toilet that we were having backup issues and we tried everything to unclog. Finally the toilet and tub exposed with overflow. It was a horrible site and we were freakin out…”
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Absolute Best Plumbing
Orlando, FL · 14 mi
“My shower valve broke when I closed it. Didn't know where my valve to close the water was. I Google plumbers near me and Absolute Best Plumbing came up. I called them and they reassured me that they…”
Read more on GooglePro-Tech Air Conditioning & Plumbing Service, Inc
Testing Verified · Orlando, FL · 20 mi
“Short Version: Clear communication, professional, on-time, and incredibly efficient! Gerry and the Pro-Tech Team consistently went above and beyond in their work! The Pro-Tech Team will be my first…”
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Frequently Asked Questions About Backflow Testing in Longwood
Many certified backflow testers in Longwood will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.
Backflow testing in Longwood, Florida typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Longwood area.
If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Longwood can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.
Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Florida require cross-connection control programs for commercial properties and irrigation systems.
Many municipalities in Florida require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Longwood can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
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