Vienna's homes are older than most in Fairfax County and its water is moderately hard to hard, a combination that wears out shower cartridges, washers and seals. Many valves can be rebuilt through the trim; worn-out or obsolete ones get replaced. Call the number on this page to be connected with a local plumber in Vienna.

How old are the shower valves in a typical Vienna house?
The Town's median home was built around 1971, and many single-family neighborhoods have bathrooms that are original or were updated once in the 1980s or 1990s. Behind the tile, that often means a two- or three-handle compression valve with rubber washers, or an early single-lever valve without pressure balancing. Some of those take common replacement stems and seats. Others are from makers that stopped supporting them long ago, and chasing parts can cost more time than installing a modern pressure-balancing valve. Teardowns and additions have also brought newer bathrooms with thermostatic valves and multiple outlets.
Does Vienna's water make a difference?
The Town of Vienna runs its own water distribution system, buying treated water wholesale from Fairfax Water and the Washington Aqueduct, sourced from the Potomac River and Occoquan Reservoir. Roughly a third of its connections are outside the town boundary, so a Vienna mailing address may be a Town customer or a Fairfax Water customer; the Town's service area map and your bill settle it. The Town's water quality report describes the water as moderately hard to hard, historically about 5 to 10 grains per gallon. That's enough to crust trim plates and grip a cartridge so tightly it has to be worked out carefully. The Town uses chloramine most of the year with a short switch to free chlorine during hydrant flushing. Its service line inventory found nearly all service lines are copper.
What permits apply inside the Town?
Plumbing permits for Vienna properties go through Fairfax County Land Development Services in its PLUS system, and projects inside town limits also need separate Town of Vienna approval uploaded to that record. A cartridge swap is ordinary repair. Replacing or relocating a valve body is the work to ask about, and a plumber who works in Vienna will know how the County and Town steps fit together.
A Vienna note
Older Vienna houses often have bathrooms on exterior walls or over unheated spaces. On the coldest nights, supply lines feeding a valve there can freeze and split a fitting, so keep the bathroom warm. For a main or meter problem, the Town's Water and Sewer customer service line is 703-255-6385.
Shower Valve Repair questions in Vienna
Is the water here hard enough to wear out a shower valve?
Do I need a permit to replace a shower valve?
Should I upgrade to a pressure-balancing or thermostatic valve?
Can the pipes to a shower valve freeze in winter?
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