"Called at 9 PM with a burst supply line — they were at the house in Arlington within 45 minutes, replaced the section in copper, and walked me through what failed. Honest pricing, no upsell."
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Plumbing in Arlington
Arlington County's plumbing market splits cleanly between two worlds: pre-1960 single-family homes through Lyon Park, Cherrydale, and Westover, and the Rosslyn-Ballston corridor's high-rise condo stock. The single-family side is in active teardown-and-rebuild mode in many neighborhoods, which means a lot of new construction rough-in work, while the high-rise side runs heavy on in-unit valve replacements, leak detection for stacked units, and Arlington's strict permitting for any work that affects shared water supply lines.
What to know locally
Arlington shares DC's climate with marginally fewer freeze events. The bigger plumbing-relevant climate factor is summer humidity — condensate lines on high-efficiency HVAC systems are the source of more 'mysterious leaks' in Arlington condos than any other cause. Water comes from Fairfax Water and runs softer than WSSC supplies (3–6 grains), which is gentler on water heaters but means soap and detergent dosing is different from neighboring Maryland.
Top-rated in Arlington
Arlington Master Plumbing
Residential · Commercial
North Arlington Plumbing
Single-Family · Renovation
Clarendon Plumbing Co.
Condo · Townhome
Shirlington Plumbers
Residential
Ballston Plumbing Services
High-Rise · Commercial
Crystal City Plumbing
Commercial · Tech
Arlington coverage area
What Arlington customers say
"Replaced our 20-year-old water heater with a tankless. Pulled the permit, handled the gas line upsize, and the install was spotless. Best contractor we've worked with in Arlington."
"Hydro-jetted the main line after years of slow drains. They cameraed before and after, showed us the root intrusion, and didn't push a $15k liner like the previous company. Real professionals."
"Diagnosed a slab leak in our Arlington home that two other plumbers misdiagnosed. Saved us from tearing up the entire kitchen floor. Worth every penny."
"Did our entire bathroom rough-in for a remodel. On time, on budget, passed inspection first try. Clean work behind the wall, which is where it matters."
"Showed up Sunday morning for a sewer backup. Cleared it, scoped the line, and gave us a realistic written quote for the long-term fix. No high-pressure sales."
Service across Arlington
Arlington plumbing FAQs
Who issues plumbing permits in Arlington?+
Arlington County's Inspection Services Division handles plumbing permits. Licensed Virginia plumbers can apply online; inspections typically schedule within 1–2 business days.
Why do high-rise condos have so many leak issues?+
Stacked plumbing means a failure on one floor can damage units 5 floors below before anyone notices. Most Arlington high-rises now require smart leak detection at every in-unit shutoff — confirm your building's policy before any renovation work.
Is Fairfax Water actually different from WSSC?+
Yes. Fairfax Water (which serves Arlington and Alexandria) is softer and slightly more acidic than WSSC. Water heater anode rods deplete faster in Arlington than in Bethesda — inspect at year 3 instead of year 5.
What's the most common plumbing call in Arlington condos?+
Tile shower pan failures and angle stop leaks under sinks. The 1990s-2000s high-rise stock used a generation of compression angle stops that are now reaching end-of-life. Replacing them proactively is $40 per stop — replacing them after a leak averages $1,500 in damage.