Replacing an entire home plumbing system is a big decision, and for Arlington homeowners it is often the smart long-term choice. A whole-home repipe addresses recurring leaks, declining water quality, low pressure, and safety concerns like lead. This page explains why Arlington homes need repiping, the materials and methods available (PEX and copper), how a professional assessment and phased installation work, what you should expect during the project, how costs are estimated, and the long-term benefits and warranties that protect your investment.
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Repiping in Arlington, VA
Arlington has a mix of historic homes and mid-century builds where original plumbing can be near the end of its service life. Signs that repiping may be necessary include:
- Persistent pinhole leaks or frequent repairs in multiple areas of the house
- Rusty or discolored water, or metallic taste indicating corrosion
- Low water pressure throughout the home despite working fixtures
- Known presence of lead service lines or older lead-based fittings
- Repeated water damage or mold growth linked to hidden leaks
Local factors in Arlington matter. Water chemistry in the region can accelerate corrosion in older piping materials, and freeze-thaw cycles during winter can stress aging systems. If your home was built mid-20th century or earlier, evaluation for lead and deteriorated galvanized or copper tubing is especially important.
Common repiping issues in Arlington homes
- Corroded copper or galvanized iron that develops pinhole leaks
- Lead solder, lead service lines, or brass fittings that contribute to water contamination
- Scale buildup and restricted flow from mineral-heavy water
- Aging connections at plumbing fixtures and junctions causing repeated failures
- Hidden slab leaks under basements or slab foundations, complicating repairs
Materials offered: PEX vs copper
Choosing the right pipe material affects performance, longevity, and disruption during installation.
- PEX (cross-linked polyethylene)
- Flexible, easier to route through walls and joists
- Faster installation, fewer soldered joints, and excellent freeze resistance
- Corrosion-resistant and generally lower long-term maintenance
- Widely accepted by Arlington and Virginia plumbing codes when installed per local regulations
- Copper
- Long history of durability and heat resistance
- Rigid and requires soldered fittings; conscious choice for exposed runs or where copper is preferred
- Susceptible to corrosion or pinhole leaks in certain water chemistries
Both materials are code-compliant when installed correctly. Your assessment will recommend the best option for your home based on current plumbing layout, water quality, and homeowner priorities.
Assessment and planning process
A thorough pre-repipe evaluation ensures the project runs smoothly and meets local code:
- In-home inspection: technicians map existing pipe routes, note access panels, and identify problematic sections.
- Water testing: when lead or contamination is a concern, water samples are tested to confirm need for a full repipe.
- Pressure and fixture checks: measure supply pressure and inspect fixtures and appliances to determine required updates.
- Permit and code review: obtain necessary permits and ensure work meets Arlington County and Virginia plumbing codes.
- Custom plan: create a phased installation plan, specify materials, and outline access points and any fixture or framing changes.
This planning stage clarifies the timeline, scope, and what parts of the home will be affected.
Phased installation and homeowner preparations
Whole-home repipes are typically executed in organized phases to limit disruption:
- Preparation day: mark access points, move furniture away from work areas, and protect floors and finishes.
- Main shutoff and isolation: crews shut off the house water and install temporary lines as needed.
- Rough-in piping: new lines are run through walls, attics, basements, or crawlspaces. Where possible, repiping focuses on behind-the-wall access to minimize cosmetic repairs.
- Fixture reconnections: new supply lines are tied into fixtures, appliances, and water heater.
- Pressure testing and cleanup: system is pressure-tested, flushed, and inspected before the crew completes cosmetic repairs.
How to prepare your home:
- Clear access to basements, crawlspaces, utility closets, and attic hatches.
- Remove fragile or valuable items from work zones.
- Identify any appliances or medical devices that require continuous water so alternative arrangements can be made.
- Plan for water shutoffs: expect planned periods without running water while crews work.
Expected disruption and timeline
Expect a structured project with temporary inconveniences rather than constant chaos. Typical whole-home repipes for single-family Arlington homes are completed in a matter of days to a couple of weeks depending on home size and complexity. You can expect:
- Planned water shutoffs during key stages
- Crews working in basements, attics, and wall cavities with protective coverings
- Some minor patching or drywall work where access panels are cut; most providers offer or coordinate cosmetic repairs
Professional teams aim to keep disruption predictable and minimize impacts on daily routines.
How cost estimates are determined
Rather than a flat price listed here, cost estimates for a repipe are based on measurable factors:
- Home size and layout complexity
- Type of material chosen (PEX or copper) and the quantity required
- Accessibility of existing pipes (attic, crawlspace, slab)
- Number of fixtures and appliances to be reconnected or upgraded
- Permit and inspection fees required by Arlington County
- Any additional repairs such as slab access, drywall, or finish work
An accurate on-site assessment provides a transparent estimate and a clear scope of work. Financing options are commonly offered to spread the investment over time.
Long-term benefits and warranties
A professionally executed whole-home repipe delivers multiple lasting advantages:
- Improved water quality and safety, especially if lead or corroded materials are removed
- Consistent water pressure and reliable flow to fixtures and appliances
- Fewer emergency leaks and lowered risk of water damage to finishes and structure
- Increased home value and buyer confidence in markets like Arlington
- Reduced long-term plumbing repair costs and insurance claim risk
Warranties: Most repipe projects include manufacturer warranties on materials and workmanship guarantees from the installing contractor. Retain all documentation and warranty certificates; routine maintenance and inspections help maintain warranty coverage.
Final considerations for Arlington homeowners
Repiping is both a practical and protective upgrade for many Arlington properties. With older housing stock and regional water chemistry considerations, addressing aging plumbing proactively preserves comfort, safety, and property value. A careful assessment, clear plan, and professional installation using quality materials like PEX or copper are essential steps. When evaluating repipe options, confirm code compliance with Arlington County requirements and ensure warranties and post-installation support are fully documented.
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