Arlington County water runs about 8 grains per gallon of hardness, enough to leave scale in cartridges and aerators over time, and many homes here are old enough for worn washers and stiff shutoff valves. Most dripping or leaking faucets can be rebuilt with new internal parts. Call the number on this page to be connected with a local plumber in Arlington.

Signs your faucet needs attention
- A steady drip from the spout even with the handle turned fully off
- Water seeping out under the handle or around the base each time the tap runs
- A lever that grinds, sticks or has to be forced into the closed position
- Hot water that never fully mixes with cold on a single-handle model
- Chalky white deposits around the aerator that return soon after cleaning
- A damp cabinet floor, or a supply hose with rust at the fitting
Arlington water and older fixtures
The County's Water, Sewer, Streets Bureau delivers Potomac River water treated by the Washington Aqueduct at the Dalecarlia plant. The County lists hardness at 8 grains per gallon (142 mg/L), which is moderately hard. Over years, those minerals settle on cartridge seals and in the small screens of aerators, so a faucet that once shut off cleanly starts to weep.
Arlington disinfects with chloramine most of the year and switches to chlorine for about six weeks each spring while it flushes mains. If you are adding a filter faucet at the kitchen sink, check that the cartridge is rated for chloramine, not just chlorine.
The median home in the county was built around 1976, and older houses in places like Cherrydale still carry two-handle compression faucets with rubber washers and brass seats. Those can usually be rebuilt. The angle stops under the sink are often the same age, and multi-turn stops that have not moved in years may not close all the way, which a plumber should check before opening the faucet.
What affects the price
- Rebuild versus new fixture. A cartridge or washer kit is less work than removing a faucet and setting a new one.
- Parts. Common brands are easy to match; an older or discontinued model may need a search or a replacement.
- Corroded connections. Mounting nuts locked by scale and rust take extra time to free.
- Valves and hoses. Replacing worn angle stops or supply lines in the same visit adds parts and time.
- Building type. Condo and apartment buildings may need management notified before water is shut off.
What happens when you call
The number on this page is a free referral line, not a plumbing company. It connects you with an independent plumber who works in Arlington. Tell them which faucet is leaking, whether it has one or two handles, and where the water shows up. A photo of the faucet and the valves underneath helps them bring the right parts.
Faucet Repair questions in Arlington
How hard is the water here, and does it matter for faucets?
Does the disinfectant in my tap water matter for a filter faucet?
Could an old faucet add lead to my drinking water?
The shutoff valves under my sink are stuck. Should those be replaced too?
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