Backflow Prevention in Northern Virginia
Protect your water supply with expert backflow prevention, testing, and repairs done right now. Cardinal Plumbing Heating & Air Inc provides certified, in-house plumbers and upfront pricing. We serve Northern Virginia, including Alexandria, Arlington, and Fairfax. Homeowners trust our 4.9 rating from 1,059 reviews and our fully licensed and insured team. Need service or an annual test? Schedule today and we’ll take care of the paperwork and compliance.
Why Choose Us
Certified in-house techsBackflow work handled by trained, in-house, certified plumbers.
Licensed and insuredVirginia Contractor License #2705153728; fully licensed and insured.
Upfront, fair pricingTransparent estimates before work begins. No high-pressure upsells.
Proven local reputation4.9 rating from 1,059 reviews across Northern Virginia.
Fast, convenient serviceSame-day availability and seven-days-a-week scheduling.
What Our Customers Say
quality
"Cardinal is the clear choice over mainstream competitors for both quality and fair pricing."
trust
"4.9 rating from 1,059 reviews."
Where We Work
What areas do you serve for backflow prevention?
We serve Northern Virginia, with frequent appointments in Alexandria, Arlington, and Fairfax. See the complete list of cities we cover below.
Northern Virginia
Alexandria, VAArlington, VAFairfax, VA
Complete Service Area:
Bristow, VAHaymarket, VAHerndon, VADumfries, VAAldie, VAMcLean, VAAlexandria, VAGainesville, VASpringfield, VAAnnandale, VAReston, VAFairfax, VAManassas, VABurke, VAFairfax Station, VACentreville, VAAshburn, VAChantilly, VAPurcellville, VAWoodbridge, VASterling, VAArlington, VAOakton, VAVienna, VAMiddleburg, VAClifton, VAFalls Church, VALeesburg, VATysons, VAGreat Falls, VA