Irrigation Services in Prince William County, VA
At Advanced Irrigation & Lighting Services, we provide professional irrigation, sprinkler repair, outdoor lighting, and backflow testing services throughout Prince William County, VA. We are a licensed and insured team dedicated to keeping your landscape healthy, efficient, and beautiful year-round. Our services include sprinkler system installation and repairs, leak detection, system upgrades, controller programming, seasonal maintenance, winterization, spring start-ups, and certified backflow testing.
We specialize in water-efficient irrigation systems, smart irrigation solutions, sprinkler system troubleshooting, and drought protection for lawns, helping homeowners reduce water waste while maintaining healthy, green landscapes. Our team focuses on improving system performance, solving irrigation issues quickly, and ensuring long-term reliability.
Proudly serving homeowners, HOAs, and commercial properties across Prince William County, including Gainesville, Manassas, Woodbridge, Haymarket, Bristow, and surrounding Northern Virginia communities. Locally owned and operated, we are committed to reliable service, fast response times, and customer satisfaction. Call today for a free estimate or service appointment.
Our certified technicians proudly serve homeowners, businesses, HOAs, and commercial properties throughout Gainesville, Haymarket, Bristow, Manassas, Manassas Park, Woodbridge, Lake Ridge, Dumfries, and Occoquan. We specialize in irrigation repair, sprinkler maintenance, backflow testing, spring turn-ons, winterization, leak detection, system upgrades, and landscape lighting solutions designed specifically for Northern Virginia properties.
Our Irrigation Services Include:

Reliable Irrigation Services You Can Trust
Why Proper Irrigation Matters
A well-designed irrigation system helps prevent overwatering, dry spots, and landscape damage. It also reduces water bills by delivering the right amount of water exactly where it’s needed. Regular maintenance ensures your system runs efficiently throughout the year and helps prevent costly repairs.
Serving All of Prince William County
We proudly serve Gainesville, Manassas, Haymarket, Woodbridge, Bristow, and surrounding Northern Virginia communities.
Outdoor Lighting Installation in Loudoun County
Enhance your property’s beauty, security, and nighttime visibility with professionally designed landscape lighting systems.
Our custom lighting designs highlight your home’s best features while improving safety and curb appeal

Backflow Testing Prince William County VA | Certified Irrigation Backflow Testing
Certified backflow testing in Prince William County, VA. We provide annual inspections, testing, repairs, and compliance services for residential and commercial irrigation systems. Advanced Irrigation & Lighting Services offers certified backflow testing, inspections, repairs, and replacement services throughout Prince William County, Virginia. Our experienced technicians ensure your backflow prevention assembly is operating properly and meets local water authority requirements. We proudly serve homeowners, HOAs, commercial properties, and businesses throughout Gainesville, Manassas, Haymarket, Woodbridge, Bristow, and surrounding Prince William County communities.
Why Backflow Protection Is Important
Backflow prevention devices help protect the public water supply from contamination caused by irrigation systems and other cross-connections. Changes in water pressure can cause contaminated water to flow backward into drinking water lines. Annual backflow testing helps ensure your device is functioning properly and remains compliant with local regulations.
Prince William County Requirements
In Prince William County:
- Irrigation systems connected to a public water supply must have an approved backflow prevention device.
- Backflow devices must be tested upon installation and as required by the local water authority.
- Testing must be performed by a certified backflow tester.
- Test reports may need to be submitted to the appropriate water provider for compliance.
Our Backflow Services Include
- Backflow Testing in Prince William County, VA
- Annual Backflow Testing & Certification
- Irrigation Backflow Prevention Device Inspection
- Backflow Device Repairs & Replacement
- Compliance Documentation Assistance
- Residential & Commercial Backflow Testing
Serving All of Prince William County
We provide backflow testing and irrigation services throughout:
Gainesville, Manassas, Haymarket, Woodbridge, Bristow, Nokesville, Dumfries, Occoquan, Lake Ridge, and surrounding Northern Virginia communities.
- Locally Owned & Operated
- 15+ Years of Experience
- Licensed & Insured
- Certified Backflow Testing
- Master Licensed Plumbing
- Residential & Commercial Services
- Serving All of Prince William County


We provide irrigation installation, sprinkler repair, backflow testing, spring start-ups, winterization, and landscape lighting services throughout Prince William County, VA. Our team helps homeowners and commercial property owners maintain efficient, reliable irrigation systems year-round.

Professional Irrigation Solutions for Every Property
Areas We Serve in Prince William County
Advanced Irrigation & Lighting Services proudly serves homeowners, businesses, HOAs, and property managers throughout Prince William County, including:
- Gainesville
- Haymarket
- Bristow
- Dale City
- Manassas
- Manassas Park
- Woodbridge
- Lake Ridge
- Dumfries