TroubleshootingUpdated June 30, 2026
Many Lake Villa homes were built when a single bathroom was standard. Families now expect more, and adding a second bathroom can make daily routines easier while increasing a home's value. But pulling off this upgrade in our area takes more than picking out fixtures. Most properties in Lake Villa have plumbing systems installed decades ago, and projects like this reveal the limitations of older supply and drain lines buried under clay-heavy soil.
Assessing the Existing Plumbing
Before thinking about tile or vanities, our first step is always a thorough look at your home's current plumbing. In mid-century homes around Lake Villa, we often find galvanized steel and cast iron pipes. Over time, these corrode and restrict water flow or cause leaks. If you're adding a bathroom, we may recommend pipe repair or repiping to ensure both bathrooms get enough water pressure and reliable drainage.
We also check your main water line and shutoff. For older systems, a second bathroom might push the limits of what's possible without an upgrade to the supply size or pressure.
Planning for Venting and Drainage
Lake Villa's clay soils and high water table raise the stakes on drainage. Your new bathroom drain lines need enough slope and venting to keep waste moving smoothly. In homes with cast iron soil stacks, tie-ins must be professionally done to avoid slow drains or sewer gas backup.
Getting the drain line right at the planning stage can prevent headaches. Sometimes, we need to reroute existing lines or even install a new stack if the original one has corroded or is undersized. If your basement is below the municipal sewer line, we might look at a sewage ejector pump system. In cases where root intrusion or old clay tile sewer pipes are suspected, an inspection or even sewer line services make sense first.
Water Supply Considerations
Lake Villa's municipal water is reliable but moderately hard, which means scale can build up inside pipes over time, affecting flow. Older galvanized pipes are especially prone to clogging from mineral deposits. We often see an extra bathroom push these pipes past their limit, leading to pressure drops or leaks. Replacing old lines with copper or PEX can solve the issue and future-proof your home for modern fixtures like multi-head showers or dual-flush toilets.
If your main supply, shutoff, or pressure reducing valve is dated or corroded, upgrading them as part of the remodel will help your whole house function better. For homes with old water heaters, it's worth considering water heater services, especially if you want to run multiple showers at once.
Addressing Moisture and Ventilation Issues
The high water table and frequent humidity near Lake Villa's lakes and wetlands mean bathrooms are prone to condensation and moisture issues. Without proper ventilation, you risk mold growth and lingering odors. As part of a remodel, we size and install new vent fans and consider the best routes for venting, especially in basement or attic additions.
For homes with older basements, we often find that adding a bathroom also brings up the need for sump pump services. The added fixtures can increase the amount of water in the sump pit, so it's smart to check the pump's capacity ahead of time.
Common Roadblocks and Solutions
- Undersized supply or drain lines: Upgrade to modern standards with copper or PEX and PVC or ABS drain lines.
- Corroded pipes: Replace old galvanized or cast iron lines to prevent leaks and clogs.
- Drain slope problems: Rework horizontal runs to meet code and ensure proper flow.
- Inadequate venting: Add new vents or air admittance valves as needed.
- Basement seepage: Inspect for leaks and ensure sump pumps are in good working order before tying in new fixtures.
If we spot any hidden leaks or suspect a water path behind walls, leak detection and repair can pinpoint trouble before it gets worse. Catching moisture early makes for a smoother build and helps protect finishes down the line.
The Permit and Inspection Process
Lake Villa and Lake County follow plumbing codes similar to much of the Chicago metro area. Any work that ties into the main drain, modifies supply lines, or adds new fixtures requires permits and inspections. We handle these as part of the job, making sure everything is done to code and signed off on before final walls go up. This protects your investment and ensures your new bathroom is safe and legal.
If you're planning a second bathroom, we can walk you through every step, from the first inspection to the last fixture installed. Call our team at 224-537-0320 for honest advice about what's possible in your Lake Villa home. We're here to make the process smooth, safe, and up to code.