Water Line Services in Fairfax, VA
Serving Fairfax County Water Lines Since 1936. We Know What’s in the Ground.
Your main water line is one of the hardest-working pipes on your property and one of the easiest to overlook. Buried underground and out of sight, it carries every drop of water your household uses every day. When it starts to fail, the signs are easy to misread, and the line itself often isn’t identified as the source until other possibilities have been ruled out.
Long's Corporation has been diagnosing and repairing residential water lines across Fairfax County and Northern Virginia since 1936. Whether you need a minor repair or a full replacement, our team can give you a straight diagnosis and get the work done right.
Call (571) 470-5898 or contact Long's Corporation online to schedule water line service in Fairfax, VA.
Warning Signs Your Water Line May Need Attention
Most water line problems don’t announce themselves with an obvious failure. They build slowly, which means the symptoms are easy to attribute to something else until the situation gets serious.
A sudden unexplained spike in your water bill is one of the clearest early indicators. If your usage hasn’t changed but your bill has jumped, an active leak in the service line is worth ruling out. Soggy patches, sinkholes, or persistently wet areas in your front yard can also signal an underground leak, especially when the wet area doesn’t correspond to recent rain.
Inside the home, pay attention to how pressure behaves across every fixture. Low pressure at a single tap often has a localized cause. Consistently low pressure throughout the house points more directly to the main line. Rust-tinted or discolored water at the tap is another sign, usually indicating interior corrosion in an aging galvanized or copper supply line.
In Fairfax County’s established neighborhoods, tree root intrusion, corrosive soil conditions, pipe age, and soil settlement are all common contributors to line failure. If more than one of these symptoms is present, it’s time to call a water line plumber in Fairfax who knows the local housing stock.
Your home deserves reliable comfort and dependable plumbing. Our financing options help make repairs, replacements, and installations easier to manage. Apply today and take the next step toward a more comfortable home.
How Water Pressure & Line Integrity Are Connected
Good water pressure depends on a fully intact supply line from the street to your home. A line that has narrowed from interior corrosion, developed a slow leak, or partially collapsed can gradually reduce pressure throughout the house. It often starts subtly and worsens over time, which is why many homeowners check fixtures or the pressure regulator first before the main line gets a closer look.
Pressure that varies throughout the day, strong at some moments and weak at others, can point to a partial obstruction that shifts with demand. Consistently low pressure at every fixture in an older Fairfax County home is a good reason to have our team evaluate the main line before replacing or adjusting anything else.
Who Is Responsible for the Water Service Line?
The answer surprises many homeowners. In most Northern Virginia municipalities, you’re responsible for the water service line from the meter or curb stop at the street all the way to where the line enters your home. The utility owns and maintains the main in the street. Everything from that connection point to your foundation is yours to repair and replace.
The length of that line varies considerably by property. On a home set well back from the street or on a larger lot, it can run 100 feet or more. Standard homeowners insurance policies often don’t cover the exterior service line by default, which means a failure can represent a significant out-of-pocket cost. Because the line is buried and out of sight, problems tend to go unnoticed until pressure drops, a water bill spikes, or visible yard damage appears.
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"Very Reasonable"
We have used them several times now for various plumbing projects. Each time they are punctual, professional, and go above and beyond. Their pricing is also very reasonable compared to other plumbers in the area.
Amanda S. -
"Top-Notch Company"
I have had nothing but good experiences with this company. Always explain what the issue is and what the repair or replacement needs are. Always very respectful of my space and always clean up after themselves. Top notch.
Jennifer S.
Why Choose Us?
Benefits of Working With an Expert Team
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Immediate, Same-Day Service
Some things can't wait. We can come see you today!
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100% Satisfaction GuaranteeWe never leave you unhappy! We guarantee it.
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Hablamos EspañolOur team is proud to help with Spanish services.
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Women-Owned Company
Three generations of woman-owned leadership.
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Affordable Financing Options
We make services affordable with financing options.
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24/7 Call Support Available
We're here to help you whenever you need us.
What a Water Line Replacement Actually Involves
Replacing a residential water line means excavating the path from the street connection to where the line enters the foundation, a route that typically runs through the front yard. The right approach depends on the depth, length, soil condition, and material of the existing pipe. In some situations, trenchless methods can reduce the amount of digging required; our team evaluates that on a case-by-case basis.
The process includes coordinating a water shutoff with the municipality, obtaining the necessary permits, completing the installation, and restoring your yard when the work is done. Delaying replacement on a failing line tends to make things worse: leaks grow, soil erodes, and water can begin to damage where the line enters the foundation.
At Long's Corporation, we manage every part of the replacement process and take care to leave your property in good shape when we’re finished.
Why Fairfax County Homeowners Call Long's Corporation
Long's Corporation is a third-generation, woman-owned company that has served Northern Virginia since 1936. Nearly 90 years of work in the region’s homes means our team has encountered many pipe materials common to Fairfax County’s housing stock, from pre-war galvanized lines to modern PEX retrofits. When you call us, you’re getting a water line plumber in Fairfax who already knows what’s likely in the ground before we arrive.
We back that experience with service commitments built to make a stressful situation easier:
- Free estimates on water line repair and replacement
- Same-day service when scheduling allows
- Financing options to help manage the cost of a major repair or full replacement
- 100% satisfaction guarantee on our work
- 24/7 phone support when you need to reach someone after hours
- Spanish-speaking support available
Schedule Water Line Service in Fairfax County
If you’re seeing signs of a water line problem, or if you want a professional assessment of a line that’s never been inspected, we’re ready to help. Free estimates are available for both repair and replacement.
Call (571) 470-5898 or contact Long's Corporation online to schedule water line service in Fairfax, VA.
