MaintenanceUpdated July 3, 2026
In Lincolnwood, many homes date back to the mid-20th century. If you're planning a kitchen remodel and want to move your sink, you'll run into more than cabinet measurements. This kind of project means dealing with old pipes, tricky drain layouts, and the realities of local building codes. The right approach matters because mistakes can bring expensive leaks or slow drains that never seem to clear.
Why Moving a Kitchen Sink Is More Complicated Here
Relocating a kitchen sink involves rerouting water supply lines, drain pipes, and vent stacks. In most Lincolnwood homes, the plumbing runs behind plaster or lathe walls and under older subfloors. Many houses still have sections of galvanized steel supply lines or cast iron drains, which corrode and get brittle with age. When you move the sink, you often have to extend or replace these runs, sometimes back to the main branch lines.
Drain Pipe Changes and Challenges
The toughest part of moving a sink is almost always the drain. The drain needs a steady downward slope (at least 1/4 inch per foot) to carry waste water away. When old homes have clay or cast iron main lines, the existing stub-out may not line up with your new layout. Sometimes, the only option is to cut into old flooring and redirect piping. With Lincolnwood's common clay and loam soil, a mistake in the slope or a poor connection puts you at risk of slow drainage and leaks that can damage cabinets and subfloors.
- Check the material and diameter of your existing drains, many are 1.5 to 2 inches for kitchen sinks.
- Make sure the new drain route has proper pitch and support.
- Install a new vent or connect to an existing one to avoid gurgling and slow draining.
- Seal all joints carefully; older pipes and new PVC require the right couplings.
- Consider a full or partial pipe replacement if corrosion is found.
Tree roots in the old clay-tile or cast iron sewers are common in Lincolnwood. If you notice slow drains elsewhere, it may be time for drain cleaning or even sewer line services during your remodel.
Water Supply Rerouting and Connection
Older homes often have a mix of copper, galvanized, and sometimes even flexible PEX. Supply pipes need to be extended to the new sink location, and any signs of rust or mineral buildup mean it's smart to replace sections while the walls are open. Lincolnwood gets Lake Michigan water, which runs moderately hard and leads to mineral deposits inside supply lines over time. New quarter-turn valves and flexible supply hoses make service easier later.
If your kitchen redesign also includes a new faucet or dishwasher, take the chance to upgrade shut-off valves and install fresh braided steel hoses. Our crew routinely handles pipe repair and repiping for remodels like these.
Dealing with Venting and Code Issues
Proper venting stops traps from being siphoned dry, which blocks sewer gases from entering your kitchen. If the new sink spot is too far from a vent stack, you might need a new vent riser through the roof or a Studor/AAV air admittance valve, where code allows. Lincolnwood's older homes weren't always built to current standards, so retrofits are common. A permit is usually required, and our team knows the local inspection process well.
The Right Sequence for a Sink Relocation
- Shut off water at the main supply and disconnect existing lines.
- Assess the underside of the floor for joist spacing and any electrical or HVAC conflicts.
- Remove old drain and supply lines as needed, often easier when you're already opening up walls or floors.
- Install new drain lines, keeping the right slope and secure hangers.
- Connect to the existing vent stack or add a code-approved vent.
- Reroute hot and cold supply lines with new shut-off valves.
- Finish with fixture installation and leak checks. Don't forget to run the garbage disposal or dishwasher drains if you're upgrading those too.
Some homeowners add a point-of-use water heater or demand a larger main water line during a remodel. If you're considering these upgrades, check our water heater services for details and options.
Hidden Risks in Older Lincolnwood Kitchens
Behind the walls, we still find brittle galvanized or corroded cast iron pipes. These don't always handle new connections well, and leaks can hide behind cabinets for weeks before you spot the signs. Water stains, musty smells, or a loose P-trap fitting are all warning flags. If you notice any of these, our leak detection and repair service can help before you replace cabinets or countertops.
Don't Forget Flood Risks and Sump Pump Concerns
Lincolnwood's flat terrain and moderate water table mean a leaky drain under your kitchen can migrate to the basement. With clay-heavy soil, drainage is slow, and standing water often winds up in the lowest rooms. We've seen sump pits that fill fast after a drain leak up above. If your kitchen sits over finished basement space, it's smart to check on your sump pump and make sure everything's working before you redo the kitchen floor.
If you want less guesswork and a reliable kitchen remodel, give us a call at 224-524-1253. Our team is ready to help Lincolnwood homeowners tackle the plumbing side of any renovation, from planning the move to finishing the install right.