Skip to content
Ajax Plumbing clearing a drain line for a home in Annandale, VA

Annandale, Fairfax County, Virginia

Plumber in Annandale, VA

Family-owned, father and son, 45 years of combined experience. We pick up the phone, we show up, and we tell you straight what the pipe needs.

Call us 540-671-5417

An hour east of our Front Royal shop, Annandale runs on old pipe and we know it well.

Annandale sits in the middle of Fairfax County, just inside the Capital Beltway, with Little River Turnpike running through the center of it. From our shop at 266 Grove Farm Road in Front Royal, it is a straight shot east on I-66 to the 495 interchange, a little under an hour when the traffic cooperates. We make that drive often, because Annandale is exactly the kind of town that keeps a plumber busy: a dense, settled community of homes that were mostly built between the 1950s and the 1970s, when the postwar boom pushed Washington commuters out past Alexandria and Falls Church into what was then the edge of the county.

That history is written into the plumbing. A house on Sleepy Hollow Road or off Columbia Pike does not have the same problems as a new build out in Loudoun. These are brick ramblers and split-levels with galvanized supply lines, cast-iron drain stacks, and the original copper from when the neighborhood went up. Sixty and seventy years is a long time for steel pipe, and we see the result every week: rusted-shut supply lines that choke your water pressure down to a trickle, cast-iron drains that have scaled over and slow to a crawl, and hose-bibs and crawl-space lines that split the first hard freeze of the season.

Annandale is on Fairfax Water, so this is municipal supply and sewer, not well-and-septic country. That matters. The water coming into your house is treated and pressurized, which means when pressure drops, the problem is almost always inside your walls, not at the meter. We trace it, find the corroded section, and tell you whether a spot repair gets you by or whether the run wants a full repipe. We do not upsell a repipe you do not need, and we do not patch a line that is going to fail again next winter and pretend it is fixed.

Sewer camera inspection by Ajax Plumbing in Annandale, VASewer camera inspection in Annandale

What Annandale homes call us for

Every neighborhood has its own pattern. Here is what comes up most across Annandale, from the homes near the old Annandale center to the streets backing up against the Beltway.

Water heater repair and replacement by Ajax Plumbing in Annandale, VAWater heater repair and replacement in Annandale

Around Annandale and across Fairfax County

Annandale does not sit by itself. It bumps right up against Falls Church to the north, Fairfax City to the west, and the older inner-Beltway neighborhoods all around it. We cover the whole stretch, so if your house straddles the line or you have a rental a few exits over, it is one call. Our full Fairfax County coverage is on the county hub page.

Towns nearby we also work in:

The commercial side of Annandale keeps us busy too. The shops, restaurants, and Korean groceries along Little River Turnpike, and the offices tucked near the Beltway, all need backflow testing, grease-line clearing, and fixture work that holds up to daily use. We are backflow certified, and we handle residential and commercial both, so a homeowner and a restaurant owner get the same straight answer.

We run from our shop at 266 Grove Farm Road in Front Royal out to Annandale and the towns around it. Here is where you will find us on the map.


Straight answers, Annandale

Do you really drive out to Annandale from Front Royal?

Yes. It is about an hour east on I-66 to the Beltway, and we run that route regularly. Annandale is squarely inside our Fairfax County coverage, so a call from a home off Little River Turnpike or near the old Annandale center gets the same response as one down the road from the shop.

My Annandale house is from the 1950s with old galvanized pipe. Can you repipe it?

That is one of the most common jobs we do out there. Mid-century Annandale homes were plumbed with galvanized steel that rusts shut from the inside and strangles your water pressure. We repipe to PEX or copper, usually in sections so you keep water running through the work, and we pull the right Fairfax County permits.

Do you handle 24/7 emergencies in Annandale?

We do. A burst line, no hot water, or a sewer backing up into a basement does not wait for business hours. Call 540-671-5417 and a real person answers, day or night.

Is the frozen water-line discount good in Annandale?

Yes. The 10 percent off frozen water-line repairs applies anywhere we work, Annandale included. Crawl-space and exterior hose-bib lines freeze every cold snap in Fairfax County, and we see plenty of them.

Are you certified to work on my brand of water heater?

We are certified on most major water-heater brands, tank and tankless. Whether your Annandale home runs a 40-gallon gas unit in the garage or a tankless on the wall, we service and replace it and size the new one to fit the household.

Do you do commercial plumbing in Annandale too?

Yes. The shops and restaurants along Little River Turnpike and the offices near the Beltway need backflow testing, grease-line clearing, and fixture work. We are backflow certified and handle residential and commercial both.

Need a plumber in Annandale, VA?

Tell us what is going on and a real person calls you back, usually within the hour. The quote is always free.

Rather talk now? Call 540-671-5417, 24/7.

24/7 emergency serviceFree quotesBackflow certified

No charge for the quote. A real person calls you back, usually within the hour.